Light guide, illuminating device having the light guide, and image reading device and information processing apparatus having the illuminating device
First Claim
1. A longitudinal light guide that guides light from a light source, along a longitudinal direction of said light guide to radiate the light, comprising a longitudinal reflection member, arranged along the longitudinal direction of said light guide, that reflects the light from said light source, wherein at least in a neighborhood of said light source, a thickness of said light guide in a direction parallel to a normal line of said reflection member is different at the position of said reflection member than at the position of said light source, when viewed in the longitudinal direction of said light guide.
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Accused Products
Abstract
There is disclosed an illumination device in which a light guide is adapted to emit the light from a face thereof and is provided with an area, on a face opposite to the light emitting face, for diffusing and/or reflecting the light introduced into the light guide from an end face thereof or is provided with uneven light emitting characteristics along the longitudinal direction of the light guide, and the center of the light source positioned at the end of the light guide is placed at a position aberrated from the normal line to the area, whereby attained are compactness, a low cost, a low electric power consumption, a high efficiency of utilization of the light emitted by the light source, and excellent and uniform illumination characteristics. There are also disclosed an image reading device and an information processing apparatus, equipped with the above-mentioned illumination device.
143 Citations
444 Claims
- 1. A longitudinal light guide that guides light from a light source, along a longitudinal direction of said light guide to radiate the light, comprising a longitudinal reflection member, arranged along the longitudinal direction of said light guide, that reflects the light from said light source, wherein at least in a neighborhood of said light source, a thickness of said light guide in a direction parallel to a normal line of said reflection member is different at the position of said reflection member than at the position of said light source, when viewed in the longitudinal direction of said light guide.
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9. An illuminating apparatus comprising:
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a light source that illuminates an object; and
a longitudinal light guide that guides light from said light source along a longitudinal direction of said light guide to radiate the light, wherein said light guide includes a longitudinal reflection member, arranged along the longitudinal direction of said light guide, that reflects the light from said light source, and wherein at least in a neighborhood of said light source, a thickness of said light guide in a direction parallel to a normal line of said reflection member is different at the position of said reflection member than at the position of said light source, when viewed in the longitudinal direction of said light guide. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16, 120)
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17. A reading device comprising:
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an illuminating apparatus including therein a longitudinal light guide that guides light from a light source along a longitudinal direction of said light guide to radiate the light; and
a photoelectric converting device that reads an image illuminated by said illuminating apparatus and outputs an image signal, wherein said light guide includes a longitudinal reflection member, arranged along the longitudinal direction of said light guide, that reflects the light from said light source, and wherein at least in a neighborhood of said light source, a thickness of said light guide in a direction parallel to a normal line of said reflection member is different at the position of said reflection member than at the position of said light source, when viewed in the longitudinal direction of said light guide. - View Dependent Claims (18, 19, 20, 21, 22, 23, 24)
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25. An image processing system comprising:
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an illuminating apparatus including therein a longitudinal light guide that guides light from a light source along a longitudinal direction of said light guide to radiate the light;
photoelectric conversion means for reading an image illuminated by said illuminating apparatus and for outputting an image signal; and
control means for controlling said illuminating apparatus and said photoelectric conversion means, wherein said light guide includes a longitudinal reflection member, arranged along the longitudinal direction of said light guide, that reflects the light from said light source, and at least in a neighborhood of said light source, a thickness of said light guide in a direction parallel to a normal line of said reflection member is different at the position of said reflection member than at the position of said light source, when viewed in the longitudinal direction of said light guide. - View Dependent Claims (26, 27, 28, 29, 30, 31)
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32. An image processing system comprising:
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an illuminating apparatus including therein a longitudinal light guide that guides light from a light source along a longitudinal direction of said light guide to radiate the light;
photoelectric conversion means for reading an image illuminated by said illuminating apparatus and for outputting an image signal; and
processing means for performing a predetermined processing on said image signal, wherein said light guide includes a longitudinal reflection member, arranged along the longitudinal direction of said light guide, that reflects the light from said light source, and at least in a neighborhood of said light source, a thickness of said light guide in a direction parallel to a normal line of said reflection member is different at the position of said reflection member than at the position of said light source, when viewed in the longitudinal direction of said light guide. - View Dependent Claims (33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44)
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45. An image processing system comprising:
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an illuminating apparatus including therein a longitudinal light guide that guides light from a light source along a longitudinal direction of said light guide to radiate the light;
photoelectric conversion means for reading an image illuminated by said illuminating apparatus and for outputting an image signal, moving means for relatively moving the image and said photoelectric conversion means; and
control means for controlling said illuminating apparatus, said photoelectric conversion means and said moving means, wherein said light guide includes a longitudinal reflection member, arranged along the longitudinal direction of said light guide, that reflects the light from said light source, and at least in a neighborhood of said light source, a thickness of said light guide in a direction parallel to a normal line of said reflection member is different at the position of said reflection member than at the position of said light source, when viewed in the longitudinal direction of said light guide. - View Dependent Claims (46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57)
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58. An image processing system comprising:
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an illuminating apparatus including therein a longitudinal light guide that guides light from a light source along a longitudinal direction of said light guide to radiate the light;
photoelectric conversion means for reading an image illuminated by said illuminating apparatus and for outputting an image signal;
transmission means for transmitting the image signal to an external recording medium; and
control means connected to said transmission means, for controlling said illuminating apparatus and said photoelectric conversion means, wherein said light guide includes a longitudinal reflection member, arranged along the longitudinal direction of said light guide, that reflects the light from said light source, and at least in a neighborhood of said light source, a thickness of said light guide in a direction parallel to a normal line of said reflection member is different at the position of said reflection member than at the position of said light source, when viewed in the longitudinal direction of said light guide. - View Dependent Claims (59, 60, 61, 62, 63, 64)
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- 65. A longitudinal guide that guides light from a plurality of light sources along a longitudinal direction of said light guide to radiate the light, comprising a longitudinal reflection member, arranged along the longitudinal direction of said light guide, that reflects the light from said plurality of light sources, wherein at least in a neighborhood of said plurality of light sources, a thickness of said light guide in a direction parallel to a normal line of said reflection member is different at the position of said reflection member than at the position of at least one of said plurality of light sources, when viewed in the longitudinal direction of said light guide.
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78. An illuminating apparatus comprising:
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a plurality of light sources for illuminating an object;
a longitudinal light guide that guides light from said plurality of light sources along a longitudinal direction of said light guide to radiate the light; and
a longitudinal reflection member, arranged along the longitudinal direction of said light guide, that reflects the light from said plurality of light sources, wherein at least in a neighborhood of said plurality of light sources, a thickness of said light guide in a direction parallel to a normal line of said reflection member is different at the position of said reflection member than at the position of at least one of said plurality of light sources, when viewed in a longitudinal direction of said light guide. - View Dependent Claims (79, 80, 81, 82, 83, 84, 85)
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86. A reading apparatus comprising:
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an illuminating device including therein a longitudinal light guide that guides light from a plurality of light sources along a longitudinal direction of said light guide to radiate the light; and
a photoelectric converting device that reads an image illuminated by said illuminating device and outputs an image signal;
wherein said light guide includes a reflection member, arranged along the longitudinal direction of said light guide, that reflects the light from said plurality of light sources, and wherein at least in a neighborhood of said plurality of light sources, a thickness of said light guide in a direction parallel to a normal line of said reflection member is different at the position of said reflection member than at the position of at least one of said plurality of light sources, when viewed in a longitudinal direction of said light guide. - View Dependent Claims (87, 88, 89, 90, 91, 92, 93)
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94. An image processing system comprising:
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an illuminating apparatus including therein a longitudinal light guide that guides light from a plurality of light sources along a longitudinal direction of said light guide to radiate the light;
photoelectric conversion means for reading an image illuminated by said illuminating apparatus and for outputting an image signal; and
control means for controlling said illuminating apparatus and said photoelectric conversion means, wherein said light guide includes a reflection member, arranged along the longitudinal direction of said light guide, that reflects the light from said plurality of light sources, and wherein at least in a neighborhood of said plurality of light sources, a thickness of said light guide in a direction parallel to a normal line of said reflection member is different at the position of said reflection member than at the position of at least one of said plurality of light sources, when viewed in the longitudinal direction of said light guide. - View Dependent Claims (95, 96, 97, 98, 99, 100)
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101. An image processing system comprising:
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an illuminating apparatus including therein a longitudinal light guide that guides light from a plurality of light sources along a longitudinal direction of said light guide to radiate the light;
photoelectric conversion means for reading an image illuminated by said illuminating apparatus and for outputting an image signal; and
processing means for performing a predetermined processing on said image signal, wherein said light guide includes a reflection member, arranged along the longitudinal direction of said light guide, that reflects the light from said plurality of light sources, and wherein at least in a neighborhood of said plurality of light sources, a thickness of said light guide in a direction parallel to a normal line of said reflection member is different at the position of said reflection member than at the position of at least one of said plurality of light sources, when viewed in the longitudinal direction of said light guide. - View Dependent Claims (102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113)
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114. An image processing system comprising:
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an illuminating apparatus including therein a longitudinal light guide that guides light from a plurality of light sources along a longitudinal direction of said light guide to radiate the light;
photoelectric conversion means for reading an image illuminated by said illuminating apparatus and for outputting an image signal;
moving means for relatively moving the image and said photoelectric conversion means; and
control means for controlling said illuminating apparatus, said photoelectric conversion means and said moving means, wherein said light guide includes a reflection member, arranged along the longitudinal direction of said light guide, that reflects the light from said plurality of light sources, and wherein at least in a neighborhood of said plurality of light sources, a thickness of said light guide in a direction parallel to a normal line of said reflection member is different at the position of said reflection member than at the position of at least one of said plurality of light sources, when viewed in the longitudinal direction of said light guide. - View Dependent Claims (115, 116, 117, 118, 119, 121, 122, 123, 124, 125, 126)
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127. An image processing system comprising:
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an illuminating apparatus including therein a longitudinal light guide that guides light from a plurality of light sources along a longitudinal direction of said light guide to radiate the light;
photoelectric conversion means for reading an image illuminated by said illuminating apparatus and for outputting an image signal;
transmission means for transmitting the image signal to an external recording medium; and
control means connected to said transmission means, for controlling said illuminating apparatus and said photoelectric conversion means, wherein said light guide includes a reflection member, arranged along the longitudinal direction of said light guide, that reflects the light from said plurality of light sources, and wherein at least in a neighborhood of said plurality of light sources, a thickness of said light guide in a direction parallel to a normal line of said reflection member is different at the position of said reflection member than at the position of at least one of said plurality of light sources, when viewed in the longitudinal direction of said light guide. - View Dependent Claims (128, 129, 130, 131, 132, 133)
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- 134. A longitudinal light guide that guides light introduced from a light source and emits the light along a longitudinal side of said light guide, said light guide having a longitudinal reflection member, arranged along said light guide, that reflects light introduced from the light source, wherein, at least at a part of said reflection member near the light source, a normal line passing through a center of a width of said reflection member is shifted from a center of the light source, when viewed in a longitudinal direction of said light guide.
- 138. A longitudinal light guide that guides light introduced from a plurality of light sources and emits the light along a longitudinal side thereof, having a longitudinal reflection member, arranged along said light guide, that reflects the light from said plurality of light sources, wherein, at least at a part of said reflection member near said plurality of light sources, a normal line passing through a center of a width of said reflection member is shifted from a center of at least one of said plurality of light sources, when viewed in a longitudinal direction of said light guide.
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142. An image reading device comprising:
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(a) an illuminating device provided with a longitudinal light guide that guides light introduced from a light source and emits the light along a longitudinal side thereof, having a longitudinal reflection member, arranged along said light guide, that reflects the light from said light source, wherein, at least at a part of said reflection member near said light source, a normal line passing through a center of a width of said reflection member is shifted from a center of said light source, when viewed in a longitudinal direction of said light guide; and
(b) a photoelectric converting device having a plurality of photoelectric conversion elements that read an image illuminated by said illuminating device and output an image signal. - View Dependent Claims (143, 144, 145)
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146. An information processing apparatus comprising:
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(a) an illumination device provided with a longitudinal light guide that guides light introduced from a light source and emits the light along a longitudinal side thereof, having a longitudinal reflection member, arranged along said light guide, that reflects the light from said light source;
wherein, at least at a part of said reflection member near said light source, a normal line passing through a center of a width of said reflection member is shifted from a center of said light source, when viewed in a longitudinal direction of said light guide;
(b) a photoelectric conversion device that reads an image illuminated by said illumination device and outputs an image signal; and
(c) control circuits that control said illumination device and said photoelectric conversion device. - View Dependent Claims (147, 148, 149, 150, 151, 152, 153, 154, 155, 156)
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157. An information transmitting apparatus comprising:
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(a) an illumination device provided with a longitudinal light guide that guides light introduced from a light source and emits the light along a longitudinal side thereof, having a longitudinal reflection member, arranged along said light guide, that reflects the light from said light source, wherein, at least at a part of said reflection member near said light source, a normal line passing through a center of a width of said reflection member is shifted from a center of said light source, when viewed in a longitudinal direction of said light guide;
(b) a photoelectric converting device having a plurality of photoelectric conversion elements that read an image illuminated by said illumination device and form an image signal; and
(c) transmission means for transmitting the image signal to an external processing apparatus for processing the image signal. - View Dependent Claims (158, 159, 160, 161, 162, 163, 164)
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165. An information reading apparatus comprising:
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(a) an illumination device provided with a longitudinal light guide for guiding light introduced from a light source and for emitting the light along a longitudinal side thereof, having a longitudinal reflection member arranged along said light guide for reflecting the light from said light source, wherein, at least at a part of said reflection member near said light source, a normal line passing through a center of a width of said reflection member is shifted from a center of said light source, when viewed in a longitudinal direction of said light guide;
(b) a photoelectric converting device having a plurality of photoelectric conversion elements for reading an image illuminated by said illumination device and for forming an image signal; and
(c) drive means for shifting a positional relationship between the image illuminated by said illumination device and said photoelectric converting device. - View Dependent Claims (166, 167, 168, 169, 170, 171, 172, 173, 174)
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175. An image reading device comprising:
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(a) an illumination device provided with a longitudinal light guide for guiding light introduced from a plurality of light sources and for emitting the light along a longitudinal side thereof, having a longitudinal reflection member arranged along said light guide for reflecting the light from said plurality of light sources, wherein, at least at a part of said reflection member near said plurality of light sources, a normal line passing through a center of a width of said reflection member is shifted from a center of at least one of said plurality of light sources, when viewed in a longitudinal direction of said light guide; and
(b) a photoelectric converting device having a plurality of photoelectric conversion elements for reading an image illuminated by said illumination device and for outputting an image signal. - View Dependent Claims (176, 177, 178)
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179. An information processing apparatus comprising:
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(a) an illumination device provided with a longitudinal light guide that guides light introduced from a plurality of light sources and emits the light along a longitudinal side thereof, having a longitudinal reflection member, arranged along said light guide, that reflects the light from said plurality of light sources, wherein, at least at a part of said reflection member near said plurality of light sources, a normal line passing through a center of a width of said reflection member is shifted from a center of at least one of said plurality of light sources, when viewed in a longitudinal direction of said light guide;
(b) a photoelectric converting device having a plurality of photoelectric conversion elements that read an image illuminated by said illumination device and output an image signal;
(c) a processor that processes the image signal output by said photoelectric converting device; and
(d) control circuits that control said illumination device, said photoelectric conversion device and said processor. - View Dependent Claims (180, 181, 182, 183, 184, 185, 186, 187, 188, 189)
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190. An information transmitting apparatus comprising:
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(a) an illumination device provided with a longitudinal light guide that guides light introduced from a plurality of light sources and emits the light along a longitudinal side thereof, having a longitudinal reflection member, arranged along said light guide, that reflects the light from said plurality of light sources, wherein, at least at a part of said reflection member near said plurality of light sources, a normal line passing through a center of a width of said reflection member is shifted from a center of at least one of said plurality of light sources, when viewed in a longitudinal direction of said light guide;
(b) a photoelectric converting device having a plurality of photoelectric conversion elements that read an image illuminated by said illumination device and form an image signal; and
(c) transmission means for transmitting the image signal to-an external processing apparatus for processing the image signal. - View Dependent Claims (191, 192, 193, 194, 195, 196, 197)
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198. An information reading apparatus comprising:
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(a) an illumination device provided with a longitudinal light guide that guides light introduced from a plurality of light sources and emits the light along a longitudinal side thereof, having a longitudinal reflection member, arranged along said light guide, that reflects the light from said plurality of light sources, wherein, at least at a part of said reflection member near said plurality of light sources, a normal line passing through a center of a width of said reflection member is shifted from a center of at least one of said plurality of light sources, when viewed in a longitudinal direction of said light guide;
(b) a photoelectric converting device having a plurality of photoelectric conversion elements that read an image illuminated by said illumination device and form an image signal; and
(c) drive means for shifting a positional relationship between the image illuminated by said illumination device and said photoelectric converting device. - View Dependent Claims (199, 200, 201, 202, 203, 204, 205, 206, 207)
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208. A light guide comprising:
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a longitudinal surface that extends in a longitudinal direction of said light guide;
an end surface disposed at one longitudinal end of said longitudinal surface;
a plurality of light sources disposed on said end surface; and
a longitudinal reflection member arranged along said longitudinal surface, wherein a reflection member normal line that passes through a center of a width of said longitudinal reflection member is shifted, at least at a part of said longitudinal reflection member near said end surface, from a center of at least one of said plurality of light sources, when viewed in the longitudinal direction of said light guide. - View Dependent Claims (209, 210, 211)
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212. An image reading device comprising:
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(a) an illumination device provided with a longitudinal light guide that guides light introduced from a plurality of light sources and emits the light along a longitudinal side thereof, having a longitudinal surface that extends in a longitudinal direction of said light guide;
an end surface disposed at one longitudinal end of said longitudinal surface;
a plurality of light sources disposed on said end surface; and
a longitudinal reflection member arranged along said longitudinal surface, wherein a reflection member normal line that passes through a center of a width of said longitudinal reflection member is shifted, at least at a part of said longitudinal reflection member near said end surface, from a center of at least one of said plurality of light sources, when viewed in the longitudinal direction of said light guide; and
(b) a photoelectric converting device having a plurality of photoelectric conversion elements that read an image illuminated by said illumination device and output an image signal. - View Dependent Claims (213, 214, 215)
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216. An information processing apparatus comprising:
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(a) an illumination device provided with a longitudinal light guide that guides light introduced from a plurality of light sources and emits the light along a longitudinal side thereof, having a longitudinal surface that extends in a longitudinal direction of said light guide;
an end surface disposed at one longitudinal end of said longitudinal surface;
a plurality of light sources disposed on said end surface; and
a longitudinal reflection member arranged along said longitudinal surface, wherein a reflection member normal line that passes through a center of a width of said longitudinal reflection member is shifted, at least at a part of said longitudinal reflection member near said end surface, from a center of at least one of said plurality of light sources, when viewed in the longitudinal direction of said light guide;
(b) a photoelectric converting device having a plurality of photoelectric conversion elements that read an image illuminated by said illumination device and output an image signal; and
(c) control circuits that control said illumination device and said photoelectric converting device. - View Dependent Claims (217, 218, 219, 220, 221, 222, 223, 224, 225, 226)
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227. An information transmitting apparatus comprising:
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(a) an illumination device provided with a longitudinal light guide that guides light introduced from a plurality of light sources and emits the light along a longitudinal side thereof, having a longitudinal surface that extends in a longitudinal direction of said light guide;
an end surface disposed at one longitudinal end of said longitudinal surface;
a plurality of light sources disposed on said end surface; and
a longitudinal reflection member arranged along said longitudinal surface, wherein a reflection member normal line that passes through a center of a width of said longitudinal reflection member is shifted, at least at a part of said longitudinal reflection member near said end surface, from a center of at least one of said plurality of light sources, when viewed in the longitudinal direction of said light guide;
(b) a photoelectric converting device having a plurality of photoelectric conversion elements that read an image illuminated by said illumination device and form an image signal; and
(c) transmission means for transmitting the image signal to an external processing apparatus for processing the image signal. - View Dependent Claims (228, 229, 230, 231, 232, 233, 234)
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235. An information reading apparatus comprising:
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(a) an illumination device provided with a longitudinal light guide that guides light introduced from a plurality of light sources and emits the light along a longitudinal side thereof, having a longitudinal surface that extends in a longitudinal direction of said light guide;
an end surface disposed at one longitudinal end of said longitudinal surface;
a plurality of light sources disposed on said end surface; and
a longitudinal reflection member arranged along said longitudinal surface, wherein a reflection member normal line that passes through a center of a width of said longitudinal reflection member is shifted, at least at a part of said longitudinal reflection member near said end surface, from a center of at least one of said plurality of light sources, when viewed in the longitudinal direction of said light guide;
(b) a photoelectric converting device having a plurality of photoelectric conversion elements that read an image illuminated by said illumination device and form an image signal; and
(c) drive means for shifting a positional relationship between the image illuminated by said illumination device and said photoelectric converting device. - View Dependent Claims (236, 237, 238, 239, 240, 241, 242, 243, 244)
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245. An illumination device comprising:
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a longitudinal surface that extends in a longitudinal direction of a light guide;
an end surface disposed at one longitudinal end of said longitudinal surface;
a plurality of light sources disposed on the end surface; and
a longitudinal reflection member arranged along the longitudinal surface, a reflection member normal line that passes through a center of a width of said longitudinal reflection member being shifted, at least at a part of said longitudinal reflection member near the end surface, from a center of at least one of said plurality of light sources when viewed from a longitudinal direction of said light guide. - View Dependent Claims (246, 247, 248)
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249. An elongated light guide for use with a plurality of light sources to illuminate an original with a light beam having a line-shape cross-section extending along a main scanning direction of a photoelectric conversion element array of a reading apparatus, said light guide being elongated in the main scanning direction and comprising:
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a longitudinal end surface that receives light from the plurality of light sources;
a light emitting surface; and
a reflection part formed on a surface different from said light emitting surface and elongated in the main scanning direction, said reflection part being arranged so that, when said longitudinal end surface is positioned to receive light from the plurality of light sources, in at least a region near the plurality of light sources a normal line passing through a center of a width of said reflection part deviates from at least one of the plurality of light sources, when viewed from said longitudinal end surface, and light introduced from the plurality of light sources is guided through said light guide in the main scanning direction, dispersed and/or reflected by said reflection part, and guided out of said light emitting surface so as to illuminate the original with a light beam having a line-shape cross-section extending along the main scanning direction of the photoelectric conversion element array. - View Dependent Claims (250, 251, 252)
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253. An illumination device for use with a reading apparatus, to illuminate an original with a light beam having a line-shape cross-section extending along a main scanning direction of a line sensor of the reading apparatus, said illumination device comprising:
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a plurality of light sources; and
an elongated light guide elongated in the main scanning direction, said elongated light guide comprising;
a longitudinal end surface that receives light from said plurality of light sources;
a light emitting surface; and
a reflection part formed on a surface different from said light emitting surface and elongated in the main scanning direction, said reflection part being arranged so that, when said longitudinal end surface is positioned to receive light from said plurality of light sources, in at least a region near said plurality of light sources a normal line passing through a center of a width of said reflection part deviates from at least one of said plurality of light sources, when viewed from said longitudinal end surface, and light introduced from said plurality of light sources is guided through said light guide in the main scanning direction, dispersed and/or reflected by said reflection part, and guided out of said light emitting surface so as to illuminate the original with a light beam having a line-shape cross-section extending along the main scanning direction of the line sensor. - View Dependent Claims (254, 255, 256)
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257. An image reading apparatus comprising:
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a line sensor, having a main scanning direction, that receives a light image of an original and outputs an image signal; and
an illumination device that illuminates an original with a light beam having a line-shape cross-section extending along the main scanning direction of said line sensor, said illumination device comprising;
a plurality of light sources; and
an elongated light guide elongated in the main scanning direction, said elongated light guide comprising;
a longitudinal end surface that receives light from said plurality of light sources;
a light emitting surface; and
a reflection part formed on a surface different from said light emitting surface and elongated in the main scanning direction, said reflection part being arranged so that, when said longitudinal end surface is positioned to receive light from said plurality of light sources, in at least a region near said plurality of light sources a normal line passing through a center of a width of said reflection part deviates from at least one of said plurality of light sources, when viewed from said longitudinal end surface, and light introduced from said plurality of light sources is guided through said light guide in the main scanning direction, dispersed and/or reflected by said reflection part, and guided out of said light emitting surface so as to illuminate the original with a light beam having a line-shape cross-section extending along the main scanning direction of said line sensor. - View Dependent Claims (258, 259, 260)
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261. An image processing system comprising:
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a line sensor, having a main scanning direction, that receives a light image of an original and outputs an image signal;
an illumination device that illuminates an original with a light beam having a line-shape cross-section extending along the main scanning direction of said line sensor, said illumination device comprising;
a plurality of light sources; and
an elongated light guide elongated in the main scanning direction, said elongated light guide comprising;
a longitudinal end surface that receives light from said plurality of light sources;
a light emitting surface; and
a reflection part formed on a surface different from said light emitting surface and elongated in the main scanning direction, said reflection part being arranged so that, when said longitudinal end surface is positioned to receive light from said plurality of light sources, in at least a region near said plurality of light sources a normal line passing through a center of a width of said reflection part deviates from at least one of said plurality of light sources, when viewed from said longitudinal end surface, and light introduced from said plurality of light sources is guided through said light guide in the main scanning direction, dispersed and/or reflected by said reflection part, and guided out of said light emitting surface so as to illuminate the original with a light beam having a line-shape cross-section extending along the main scanning direction of said line sensor; and
a control circuit that controls said line sensor and said illumination device. - View Dependent Claims (262, 263, 264, 265, 266, 267, 268, 269, 270, 271)
communication means for communicating with exterior apparatus, wherein said communication means is controlled by said control circuit.
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267. An image processing system according to claim 261, further comprising a processor that converts an image signal output by said line sensor into a different electrical signal.
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268. An image processing system according to claim 267, wherein the different electrical signal is adapted for recording.
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269. An image processing system according to claim 261, further comprising:
drive means for shifting a positional relationship between an original illuminated by said illumination device and said line sensor.
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270. An image processing system according to claim 261, further comprising:
a communication unit that communicates with an exterior apparatus, wherein said control circuit controls said communication unit.
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271. An image processing system according to claim 261, further comprising:
a drive unit that shifts a positional relationship between an original illuminated by said illumination device and said line sensor.
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272. An information communication apparatus comprising:
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a line sensor, having a main scanning direction, that receives a light image of an original and outputs an image signal;
an illumination device that illuminates an original with a light beam having a line-shape cross-section extending along the main scanning direction of said line sensor, said illumination device comprising;
a plurality of light sources; and
an elongated light guide elongated in the main scanning direction, said elongated light guide comprising;
a longitudinal end surface that receives light from said plurality of light sources;
a light emitting surface; and
a reflection part formed on a surface different from said light emitting surface and elongated in the main scanning direction, said reflection part being arranged so that, when said longitudinal end surface is positioned to receive light from said plurality of light sources, in at least a region near said plurality of light sources a normal line passing through a center of a width of said reflection part deviates from at least one of said plurality of light sources, when viewed from said longitudinal end surface, and light introduced from said plurality of light sources is guided through said light guide in the main scanning direction, dispersed and/or reflected by said reflection part, and guided out of said light emitting surface so as to illuminate the original with a light beam having a line-shape cross-section extending along the main scanning direction of said line sensor; and
communication means for communicating the image signal to an external processing apparatus for processing the image signal. - View Dependent Claims (273, 274, 275, 276, 277, 278, 279)
a processor that converts an image signal formed by said line sensor into a different electrical signal.
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278. An information communication apparatus according to claim 277, wherein the different electrical signal is adapted for recording.
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279. An information communication apparatus according to claim 272, further comprising:
drive means for shifting a positional relationship between an original illuminated by said illumination device and said line sensor.
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280. An information reading apparatus comprising:
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a line sensor, having a main scanning direction, that receives a light image of an original and outputs an image signal;
an illumination device that illuminates an original with a light beam having a line-shape cross-section extending along the main scanning direction of said line sensor, said illumination device comprising;
a plurality of light sources; and
an elongated light guide elongated in the main scanning direction, said elongated light guide comprising;
a longitudinal end surface that receives light from said plurality of light sources;
a light emitting surface; and
a reflection part formed on a surface different from said light emitting surface and elongated in the main scanning direction, said reflection part being arranged so that, when said longitudinal end surface is positioned to receive light from said plurality of light sources, in at least a region near said plurality of light sources a normal line passing through a center of a width of said reflection part deviates from at least one of said plurality of light sources, when viewed from said longitudinal end surface, and light introduced from said plurality of light sources is guided through said light guide in the main scanning direction, dispersed and/or reflected by said reflection part, and guided out of said light emitting surface so as to illuminate the original with a light beam having a line-shape cross-section extending along the main scanning direction of said line sensor; and
driving means for shifting a positional relationship between an original illuminated by said illumination device and said line sensor. - View Dependent Claims (281, 282, 283, 284, 285, 286, 287, 288, 289)
a processor that converts an image signal formed by said line sensor into a different electrical signal.
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286. An information reading apparatus according to claim 285, wherein the different electrical signal is adapted for recording.
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287. An information reading apparatus according to claim 280, wherein said drive means includes a motor.
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288. An information reading apparatus according to claim 287, wherein said motor moves an image bearing sheet.
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289. An information reading apparatus according to claim 280, further comprising:
transmitting means for transmitting an image signal to an external processing apparatus.
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290. An information processing apparatus comprising:
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a line sensor, having a main scanning direction, that receives a light image of an original and outputs an image signal;
an illumination device that illuminates an original with a light beam having a line-shape cross-section extending along the main scanning direction of said line sensor, said illumination device comprising;
a plurality of light sources; and
an elongated light guide elongated in the main scanning direction, said elongated light guide comprising;
a longitudinal end surface that receives light from said plurality of light sources;
a light emitting surface; and
a reflection part formed on a surface different from said light emitting surface and elongated in the main scanning direction, said reflection part being arranged so that, when said longitudinal end surface is positioned to receive light from said plurality of light sources, in at least a region near said plurality of light sources a normal line passing through a center of a width of said reflection part deviates from at least one of said plurality of light sources, when viewed from said longitudinal end surface, and light introduced from said plurality of light sources is guided through said light guide in the main scanning direction, dispersed and/or reflected by said reflection part, and guided out of said light emitting surface so as to illuminate the original with a light beam having a line-shape cross-section extending along the main scanning direction of said line sensor; and
a processor that processes the image signal output from said line sensor; and
a control circuit that controls said illumination device, said line sensor and said processor. - View Dependent Claims (291, 292, 293, 294, 295, 296, 297, 298, 299, 300)
communication means for communicating with external apparatus, wherein said communication means is controlled by said control circuit.
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296. An information reading apparatus according to claim 290, wherein said processor converts the image signal into a different electrical signal.
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297. An information reading apparatus according to claim 296, wherein the different electrical signal is adapted for recording.
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298. An information reading apparatus according to claim 290, further comprising:
drive means for shifting a positional relationship between an original illuminated by said illumination device and said line sensor.
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299. An information reading apparatus according to claim 290, further comprising:
a communication unit that communicates with an external apparatus, wherein said control circuit controls said communication unit.
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300. An information reading apparatus according to claim 290, further comprising:
a drive unit that shifts a positional relationship between an original illuminated by said illumination device and said line sensor.
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301. An image processing system comprising:
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an illuminating apparatus including therein a longitudinal light guide that guides light from a light source along a longitudinal direction of said light guide to radiate the light;
a photoelectric converting device that reads an image illuminated by said illuminating apparatus and outputs an image signal; and
a controller that controls said illuminating apparatus and said photoelectric converting device, wherein said light guide includes a longitudinal reflection member, arranged along the longitudinal direction of said light guide, that reflects light from said light source, and at least in a neighborhood of said light source, a thickness of said light guide in a direction parallel to a normal line of said reflection member is different at the position of said reflection member than at the position of said light source, when viewed in the longitudinal direction of said light guide. - View Dependent Claims (302, 303, 304, 305, 306)
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307. An image processing system comprising:
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an illuminating apparatus including therein a longitudinal light guide that guides light from a light source along a longitudinal direction of said light guide to radiate the light;
a photoelectric converting device that reads an image illuminated by said illuminating apparatus and outputs an image signal; and
a processing unit that processes said image signal in a predetermined manner, wherein said light guide includes a longitudinal reflection member, arranged along the longitudinal direction of said light guide, that reflects light from said light source, and at least in a neighborhood of said light source, a thickness of said light guide in a direction parallel to a normal line of said reflection member is different at the position of said reflection member than at the position of said light source, when viewed in the longitudinal direction of said light guide. - View Dependent Claims (308, 309, 310, 311, 312, 313, 314, 315, 316, 317, 318)
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319. An image processing system comprising:
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an illuminating apparatus including therein a longitudinal light guide that guides light from a light source along a longitudinal direction of said light guide to radiate the light;
a photoelectric converting device that reads an image illuminated by said illuminating apparatus and outputs an image signal;
a moving unit that relatively moves the image and said photoelectric converting device; and
a controller that controls said illuminating apparatus, said photoelectric converting device and said moving unit, wherein said light guide includes a longitudinal reflection member, arranged along the longitudinal direction of said light guide, that reflects light from said light source, and at least in a neighborhood of said light source, a thickness of said light guide in a direction parallel to a normal line of said reflection member is different at the position of said reflection member than at the position of said light source, when viewed in the longitudinal direction of said light guide. - View Dependent Claims (320, 321, 322, 323, 324, 325, 326, 327, 328, 329, 330)
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331. An image processing system comprising:
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an illuminating apparatus including therein a longitudinal light guide that guides light from a light source along a longitudinal direction of said light guide to radiate the light;
a photoelectric converting device that reads an image illuminated by said illuminating apparatus and outputs an image signal;
a transmitter that transmits the image signal to an external recording medium; and
a controller, connected to said transmitter, that controls said illuminating apparatus and said photoelectric converting device, wherein said light guide includes a longitudinal reflection member, arranged along the longitudinal direction of said light guide, that reflects light from said light source, and at least in a neighborhood of said light source, a thickness of said light guide in a direction parallel to a normal line of said reflection member is different at the position of said reflection member than at the position of said light source, when viewed in the longitudinal direction of said light guide. - View Dependent Claims (332, 333, 334, 335, 336)
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337. An image processing system comprising:
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an illuminating apparatus including therein a longitudinal light guide that guides light from a plurality of light sources along a longitudinal direction of said light guide to radiate the light;
a photoelectric converting device that reads an image illuminated by said illuminating apparatus and outputs an image signal; and
a controller that controls said illuminating apparatus and said photoelectric converting device, wherein said light guide includes a reflection member, arranged along the longitudinal direction of said light guide, that reflects light from said plurality of light sources, and wherein at least in a neighborhood of said plurality of light sources, a thickness of said light guide in a direction parallel to a normal line of said reflection member is different at the position of said reflection member than at the position of at least one of said plurality of light sources, when viewed in the longitudinal direction of said light guide. - View Dependent Claims (338, 339, 340, 341, 342)
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343. An image processing system comprising:
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an illuminating apparatus including therein a longitudinal light guide that guides light from a plurality of light sources along a longitudinal direction of said light guide to radiate the light;
a photoelectric converting device that reads an image illuminated by said illuminating apparatus and outputs an image signal; and
a processing unit that processes said image signal in a predetermined manner, wherein said light guide includes a reflection member, arranged along the longitudinal direction of said light guide, that reflects light from said plurality of light sources, and wherein at least in a neighborhood of said plurality of light sources, a thickness of said light guide in a direction parallel to a normal line of said reflection member is different at the position of said reflection member than at the position of at least one of said plurality of light sources, when viewed in the longitudinal direction of said light guide. - View Dependent Claims (344, 345, 346, 347, 348, 349, 350, 351, 352, 353, 354)
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355. An image processing system comprising:
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an illuminating apparatus including therein a longitudinal light guide that guides light from a plurality of light sources along a longitudinal direction of said light guide to radiate the light;
a photoelectric converting device that reads an image illuminated by said illuminating apparatus and outputs an image signal;
a moving unit that relatively moves the image and said photoelectric converting device; and
a controller that controls said illuminating apparatus, said photoelectric converting device and said moving unit, wherein said light guide includes a reflection member, arranged along the longitudinal direction of said light guide, that reflects light from said plurality of light sources, and wherein at least in a neighborhood of said plurality of light sources, a thickness of said light guide in a direction parallel to a normal line of said reflection member is different at the position of said reflection member than at the position of at least one of said plurality of light sources, when viewed in the longitudinal direction of said light guide. - View Dependent Claims (356, 357, 358, 359, 360, 361, 362, 363, 364, 365, 366)
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367. An image processing system comprising:
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an illuminating apparatus including therein a longitudinal light guide that guides light from a plurality of light sources along a longitudinal direction of said light guide to radiate the light;
a photoelectric converting device that reads an image illuminated by said illuminating apparatus and outputs an image signal;
a transmitter that transmits the image signal to an external recording medium; and
a controller, connected to said transmitter, that controls said illuminating apparatus and said photoelectric converting device, wherein said light guide includes a reflection member, arranged along the longitudinal direction of said light guide, that reflects light from said plurality of light sources, and wherein at least in a neighborhood of said plurality of light sources, a thickness of said light guide in a direction parallel to a normal line of said reflection member is different at the position of said reflection member than at the position of at least one of said plurality of light sources, when viewed in the longitudinal direction of said light guide. - View Dependent Claims (368, 369, 370, 371, 372)
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373. An information transmitting apparatus comprising:
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an illumination device provided with a longitudinal light guide that guides light introduced from a light source and emits the light along a longitudinal side thereof, having a longitudinal reflection member, arranged along said light guide, that reflects light from said light source, wherein, at least at a part of said reflection member near said light source, a normal line passing through a center of a width of said reflection member is shifted from a center of said light source, when viewed in a longitudinal direction of said light guide;
a photoelectric converting device having a plurality of photoelectric conversion elements that read an image illuminated by said illumination device and form an image signal; and
a transmitter that transmits the image signal to an external processing apparatus for processing the image signal. - View Dependent Claims (374, 375, 376, 377, 378, 379, 380)
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381. An information reading apparatus comprising:
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an illumination device provided with a longitudinal light guide that guides light introduced from a light source and emits the light along a longitudinal side thereof, having a longitudinal reflection member, arranged along said light guide, that reflects the light from said light source, wherein, at least at a part of said reflection member near said light source, a normal line passing through a center of a width of said reflection member is shifted from a center of said light source, when viewed in a longitudinal direction of said light guide;
a photoelectric converting device having a plurality of photoelectric conversion elements that read an image illuminated by said illumination device and form an image signal; and
a drive unit that shifts a positional relationship between the image illuminated by said illumination device and said photoelectric converting device. - View Dependent Claims (382, 383, 384, 385, 386, 387, 388, 389, 390)
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391. An information transmitting apparatus comprising:
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an illumination device provided with a longitudinal light guide that guides light introduced from a plurality of light sources and emits the light along a longitudinal side thereof, having a longitudinal reflection member, arranged along said light guide, that reflects the light from said plurality of light sources, wherein, at least at a part of said reflection member near said plurality of light sources, a normal line passing through a center of a width of said reflection member is shifted from a center of at least one of said plurality of light sources, when viewed in a longitudinal direction of said light guide;
a photoelectric converting device having a plurality of photoelectric conversion elements that read an image illuminated by said illumination device and form an image signal; and
transmitter that transmits the image signal to an external processing apparatus for processing the image signal. - View Dependent Claims (392, 393, 394, 395, 396, 397, 398)
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399. An information reading apparatus comprising:
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an illumination device provided with a longitudinal light guide that guides light introduced from a plurality of light sources and emits the light along a longitudinal side thereof, having a longitudinal reflection member, arranged along said light guide, that reflects the light from said plurality of light sources, wherein, at least at a part of said reflection member near said plurality of light sources, a normal line passing through a center of a width of said reflection member is shifted from a center of at least one of said plurality of light sources, when viewed in a longitudinal direction of said light guide;
a photoelectric converting device having a plurality of photoelectric conversion elements that read an image illuminated by said illumination device and form an image signal; and
a drive unit that shifts a positional relationship between the image illuminated by said illumination device and said photoelectric converting device. - View Dependent Claims (400, 401, 402, 403, 404, 405, 406, 407, 408)
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409. An information transmitting apparatus comprising:
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an illumination device provided with a longitudinal light guide that guides light introduced from a plurality of light sources and emits the light along a longitudinal side thereof, having a longitudinal surface that extends in a longitudinal direction of said light guide;
an end surface disposed at one longitudinal end of said longitudinal surface;
a plurality of light sources disposed on said end surface; and
a longitudinal reflection member arranged along said longitudinal surface, wherein a reflection member normal line that passes through a center of a width of said longitudinal reflection member is shifted, at least at a part of said longitudinal reflection member near said end surface, from a center of at least one of said plurality of light sources, when viewed in the longitudinal direction of said light guide;
a photoelectric converting device having a plurality of photoelectric conversion elements that read an image illuminated by said illumination device and form an image signal; and
a transmitter that transmits the image signal to an external processing apparatus for processing the image signal. - View Dependent Claims (410, 411, 412, 413, 414, 415, 416)
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417. An information reading apparatus comprising:
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an illumination device provided with a longitudinal light guide that guides light introduced from a plurality of light sources and emits the light along a longitudinal side thereof, having a longitudinal surface that extends in a longitudinal direction of said light guide;
an end surface disposed at one longitudinal end of said longitudinal surface;
a plurality of light sources disposed on said end surface; and
a longitudinal reflection member arranged along said longitudinal surface, wherein a reflection member normal line that passes through a center of a width of said longitudinal reflection member is shifted, at least at a part of said longitudinal reflection member near said end surface, from a center of at least one of said plurality of light sources, when viewed in the longitudinal direction of said light guide;
a photoelectric converting device having a plurality of photoelectric conversion elements that read an image illuminated by said illumination device and form an image signal; and
a drive unit that shifts a positional relationship between the image illuminated by said illumination device and said photoelectric converting device. - View Dependent Claims (418, 419, 420, 421, 422, 423, 424, 425, 426)
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427. An information communication apparatus comprising:
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a line sensor, having a main scanning direction, that receives a light image of an original and outputs an image signal;
an illumination device that illuminates an original with a light beam having a line-shape cross-section extending along the main scanning direction of said line sensor, said illumination device comprising;
a plurality of light sources; and
an elongated light guide elongated in the main scanning direction, said elongated light guide comprising;
a longitudinal end surface that receives light from said plurality of light sources;
a light emitting surface; and
a reflection part formed on a surface different from said light emitting surface and elongated in the main scanning direction, said reflection part being arranged so that, when said longitudinal end surface is positioned to receive light from said plurality of light sources, in at least a region near said plurality of light sources, a normal line passing through a center of a width of said reflection part deviates from at least one of said plurality of light sources, when viewed from said longitudinal end surface, and light introduced from said plurality of light sources is guided through said light guide in the main scanning direction, dispersed and/or reflected by said reflection part, and guided out of said light emitting surface so as to illuminate the original with a light beam having a line-shape cross-section extending along the main scanning direction of said line sensor; and
communication unit that is configured to communicate the image signal to an external processing apparatus for processing the image signal. - View Dependent Claims (428, 429, 430, 431, 432, 433, 434)
a processor that converts an image signal formed by said line sensor into a different electrical signal.
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433. An information communication apparatus according to claim 432, wherein the different electrical signal is adapted for recording.
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434. An information communication apparatus according to claim 427, further comprising:
drive unit that shifts a positional relationship between an original illuminated by said illumination device and said line sensor.
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435. An information reading apparatus comprising:
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a line sensor, having a main scanning direction, that receives a light image of an original and outputs an image signal;
an illumination device that illuminates an original with a light beam having a line-shape cross-section extending along the main scanning direction of said line sensor, said illumination device comprising;
a plurality of light sources; and
an elongated light guide elongated in the main scanning direction, said elongated light guide comprising;
a longitudinal end surface that receives light from said plurality of light sources;
a light emitting surface; and
a reflection part formed on a surface different from said light emitting surface and elongated in the main scanning direction, said reflection part being arranged so that, when said longitudinal end surface is positioned to receive light from said plurality of light sources, in at least a region near said plurality of light sources, a normal line passing through a center of a width of said reflection part deviates from at least one of said plurality of light sources, when viewed from said longitudinal end surface, and light introduced from said plurality of light sources is guided through said light guide in the main scanning direction, dispersed and/or reflected by said reflection part, and guided out of said light emitting surface so as to illuminate the original with a light beam having a line-shape cross-section extending along the main scanning direction of said line sensor; and
driving unit that shifts a positional relationship between an original illuminated by said illumination device and said line sensor. - View Dependent Claims (436, 437, 438, 439, 440, 441, 442, 443, 444)
a processor that converts an image signal formed by said line sensor into a different electrical signal.
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441. An information reading apparatus according to claim 440, wherein the different electrical signal is adapted for recording.
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442. An information reading apparatus according to claim 435, wherein said drive unit includes a motor.
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443. An information reading apparatus according to claim 442, wherein said motor moves an image bearing sheet.
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444. An information reading apparatus according to claim 435, further comprising:
a transmitter that transmits an image signal to an external processing apparatus.
Specification