发明名称 |
Colorimetric circuit with storage of simultaneously detected color components |
摘要 |
A colorimetric circuit comprising three detectors for detecting red, green and blue components respectively, a memory for storing the outputs of the detectors sampled at the same instant in logarithmically compressed form, and a control circuit for reading out the contents of the memory in sequence, thereby it being made possible to improve the accuracy of colorimetry.
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申请公布号 |
US4823185(A) |
申请公布日期 |
1989.04.18 |
申请号 |
US19870114091 |
申请日期 |
1987.10.27 |
申请人 |
CANON KABUSHIKI KAISHA |
发明人 |
MIYAMOTO, RYOSUKE;SAKAI, SHINJI |
分类号 |
H04N9/04;H04N9/73;(IPC1-7):H04N9/73 |
主分类号 |
H04N9/04 |
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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