SHEET ATTRIBUTION DETECTION SENSOR DEVICE, PAPER SHEET ATTRIBUTION DETECTION METHOD, AND IMAGE FORMING APPARATUS
First Claim
Patent Images
1. A sheet attribution detection sensor device including:
- a light emission element configured to emit incident light to a paper sheet;
a first light receiving element configured to receive a specular reflection component of reflection light from the paper sheet of the incident light to specify a thickness of the paper sheet; and
a second light receiving element configured to receive a diffuse reflection component of the reflection light to specify one of sheet surface roughness and paper sheet color.
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Abstract
A sheet attribution detection sensor device includes a light emission element configured to emit incident light to a paper sheet, a light receiving element configured to receive a specular reflection component of reflection light from the paper sheet of the incident light in order to specify a thickness of the paper sheet, and light receiving elements configured to receive a diffuse reflection component of the reflection light in order to specify one of surface roughness and color of the paper sheet.
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Citations
8 Claims
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1. A sheet attribution detection sensor device including:
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a light emission element configured to emit incident light to a paper sheet; a first light receiving element configured to receive a specular reflection component of reflection light from the paper sheet of the incident light to specify a thickness of the paper sheet; and a second light receiving element configured to receive a diffuse reflection component of the reflection light to specify one of sheet surface roughness and paper sheet color. - View Dependent Claims (2, 3, 4, 5)
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6. A sheet attribution detection method including:
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emitting incident light to a paper sheet; receiving a specular reflection component of reflection light from the paper sheet of the incident light to specify paper sheet thickness; and receiving a diffuse reflection component of the reflection light to specify one of sheet surface roughness and paper sheet color. - View Dependent Claims (7, 8)
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Specification