Measuring system with improved method of reading image data of an object
First Claim
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1. A measuring apparatus formed as a unit, comprising:
- a measuring portion for optically measuring distances from a reference plane to a plurality of points of an object within a particular area, said measuring portion comprising an optical system including;
a light projector for projecting a reference light toward the object;
an area sensor for detecting the reference light reflected from the object; and
a lens through which the area sensor receives the reference light projected by the light projector; and
a display for displaying the particular area as a light and shade image, wherein darkness and lightness of said light and shade image corresponds to the measured distances, wherein the measured distances are to be calibrated in accordance with an optical condition of the optical system.
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Abstract
When a scanning start position set signal is input in an area image sensor, the content is transferred to a vertical scanning circuit, and the scan start position is set. Image of a desired row is read by horizontal scanning. Then, one shift signal for vertical scanning is input, the position of scanning is shifted by one row, and horizontal scanning is performed. Thus image of the next row is read. By repeating this operation, a desired strip-shaped image is read. The shape of the object is determined and when a portion is determined to have complicated shape, the image data is input by means of a lens having long focal length, and image data of other portions are input by means of a lens having short focal length. By putting together a plurality of input image data, image data as a whole is generated.
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Citations
4 Claims
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1. A measuring apparatus formed as a unit, comprising:
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a measuring portion for optically measuring distances from a reference plane to a plurality of points of an object within a particular area, said measuring portion comprising an optical system including;
a light projector for projecting a reference light toward the object;
an area sensor for detecting the reference light reflected from the object; and
a lens through which the area sensor receives the reference light projected by the light projector; and
a display for displaying the particular area as a light and shade image, wherein darkness and lightness of said light and shade image corresponds to the measured distances, wherein the measured distances are to be calibrated in accordance with an optical condition of the optical system. - View Dependent Claims (2)
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3. A measuring system comprising:
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a light projector for projecting a light toward an object and for scanning the light on the object within a particular area;
a first area sensor for receiving the light which is projected by the light projector and reflected from the object;
a second area sensor for receiving a light which includes a light other than the projected light and is reflected from the object;
a mode setter for selectively setting a distance image mode or a color image mode;
a first circuit for calculating distances from a reference plane to an object on the basis of output of the first area sensor; and
a display for displaying the particular area as a light and shade image if the distance image mode is set or as a color image if the color image mode is set, wherein darkness and lightness of said light and shade image corresponds to the measured distances.
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4. A measuring apparatus formed as a unit, comprising:
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a measuring portion for optically measuring distances from a reference plane to a plurality of points of an object within a particular area, said measuring portion comprising an optical system including;
a light projector for projecting a reference light toward the object, an area sensor for detecting the reference light reflected from the object, and a lens through which the area sensor receives the reference light projected by the light projector;
a display portion; and
a controller, connected to said measuring portion and said display, for displaying a topographic image of the object on said display based on the measured distances, wherein the measured distances are to be calibrated in accordance with an optical condition of the optical system.
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Specification
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Current AssigneeMinolta Co., Ltd. (Konica Minolta Inc.)
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Original AssigneeMinolta Co., Ltd. (Konica Minolta Inc.)
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InventorsYagi, Fumiya, Norita, Toshio, Hirose, Satoru
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Primary Examiner(s)Pham, Hoa Q.
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Application NumberUS09/387,498Time in Patent Office1,021 DaysField of Search356/372, 356/375, 356/376, 356/3.04, 356/3.08, 356/3.14, 250/201.2, 250/559.23, 250/559.22, 250/559.31, 250/201.4, 382/145, 382/203, 382/286, 348/132, 396/98, 396/101, 396/106US Class Current356/608CPC Class CodesG01B 11/2518 Projection by scanning of t...G06T 7/521 from laser ranging, e.g. us...
