发明名称 |
Light-conditioning apparatus for an image scanner illumination system |
摘要 |
An illumination system for image scanner apparatus that varies the amount of light in an object (film) plane as a function of field angle, to render irradiance at an image sensor relatively uniform with field angle. In a preferred embodiment, an optical converter regulates the irradiance in the object plane as a function of field angle by varying the power radiated along a line of diffuse light projected onto the object plane.
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申请公布号 |
US4899040(A) |
申请公布日期 |
1990.02.06 |
申请号 |
US19880241685 |
申请日期 |
1988.09.08 |
申请人 |
EASTMAN KODAK COMPANY |
发明人 |
DAVIS, MICHAEL H.;ERCK, GARY L. |
分类号 |
G03B27/54 |
主分类号 |
G03B27/54 |
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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