OPTICAL MOUSE HAVING AN OPTICAL STRUCTURE CAPABLE OF HIGH SENSIBILITY
First Claim
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1. An input device having an optical structure capable of high sensibility, comprising:
- a light source providing an incident light beam transmitted onto a target surface at a specific incident angle; and
a photosensor pre-disposed at an angle of between 1 and 179 degrees or between 181 and 359 degrees so as to stand at a right angle with respect to a path of a reflected light to scan and acquire properly a luminance of the reflected version of the incident light beam, whereby the photosensor is disposed at the right angle for reception of the reflected version of the incident light beam so that image of the target surface is properly scanned and acquired by the photosensor.
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Abstract
An optical structure of the optical mouse is disclosed, which comprises a light source providing an incident light beam transmitted onto a target surface at a specific incident angle and a photosensor pre-disposed at an angle of between 1 and 179 degrees or between 181 and 359 degrees so as to be aligned to stand at a right angle with respect to a path of the reflected version and thus achieve a proper acquirement of luminance and image of the reflected version of the incident light from the target surface.
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Citations
11 Claims
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1. An input device having an optical structure capable of high sensibility, comprising:
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a light source providing an incident light beam transmitted onto a target surface at a specific incident angle; and
a photosensor pre-disposed at an angle of between 1 and 179 degrees or between 181 and 359 degrees so as to stand at a right angle with respect to a path of a reflected light to scan and acquire properly a luminance of the reflected version of the incident light beam, whereby the photosensor is disposed at the right angle for reception of the reflected version of the incident light beam so that image of the target surface is properly scanned and acquired by the photosensor. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. An optical mouse having an optical structure capable of high sensibility, comprising:
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a base having a through-hole at a bottom end thereof;
an upper case disposed over the base and having a set of control keys thereon. a circuit board disposed on the base and having a reception hole aligned to the through-hole;
a support frame disposed at an upper end of the circuit board and connected to the base;
a light source disposed on an end of the support frame and connected electrically to the circuit board to provide an incident light beam transmitted onto a target surface at a specific incident angle; and
a photosensor pre-disposed on another end of the support frame at an angle of between 1 and 179 degrees or between 181 and 359 degrees so as to stand at a right angle with respect to a path of a reflected version of the incident light beam to scan and acquire properly a luminance of the reflected version of the incident light beam, wherein the incident angle is equal to a reflection angle with which the reflected version of the incident light beam leaves the target surface, whereby the photosensor is disposed at the right angle for reception of the reflected version of the incident light beam so that image of the target surface is properly scanned and acquired by the photosensor. - View Dependent Claims (11)
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Specification