发明名称 |
Apparatus for detecting the in-focusing conditions |
摘要 |
An apparatus for detecting the in-focusing conditions for use in an optical machinery such as cameras, microscopes or endoscopes is disclosed. The apparatus comprises a light receiver arranged with an angle of inclination against an image surface of an optical system and consisting of a plurality of charge transfer elements aligned as a picture element array; means for deriving illuminance signals from the picture element array of the light receiver and means for treating the illuminance signals to detect the in-focused position of the optical system.
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申请公布号 |
US4314150(A) |
申请公布日期 |
1982.02.02 |
申请号 |
US19790090083 |
申请日期 |
1979.10.31 |
申请人 |
OLYMPUS OPTICAL COMPANY LIMITED |
发明人 |
TAKAYAMA, SHUICHI;NAKAJIMA, YOSHIO;TSUBOSHIMA, KOSAKU;IWASAWA, TERUO;YAMAZAKI, MASAFUMI |
分类号 |
G03B13/36;G01C3/32;G02B7/36;G02B7/38;(IPC1-7):G01J1/20 |
主分类号 |
G03B13/36 |
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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