发明名称 |
Spectrometer, and image evaluating unit and image forming device incorporating the same |
摘要 |
<p>A spectrometer includes a light source to project a light beam to a target object, an optical element including a plurality of apertures through which the light beam reflected by the target object transmits, a diffraction element to form diffracted images from a plurality of light beams having transmitted through the optical element, and a light receiving element to receive the diffracted images formed by the diffraction element and including an optical shield to block a diffracted image other than a certain-order diffracted image.</p> |
申请公布号 |
EP2637003(A3) |
申请公布日期 |
2015.09.30 |
申请号 |
EP20130158624 |
申请日期 |
2013.03.11 |
申请人 |
RICOH COMPANY, LTD. |
发明人 |
KAMIJO, NAOHIRO;SHIMBO, KOHEI;KUBOTA, YOICHI;SEO, MANABU |
分类号 |
G01J3/02;G01J3/18;G01J3/24;G01J3/28;G01J3/42;G01J3/50;G03G15/00 |
主分类号 |
G01J3/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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