发明名称 |
Photometric mode switching apparatus for cameras of automatic exposure control type |
摘要 |
A photometric mode switching apparatus for a camera of the automatic exposure control type includes a first switch which is used to select a particular photometric mode, and a second switch which is interlocked with a storage switch contained in a spotwise photometry circuit. Unless the two switches are operated to establish a spotwise photometric mode, the camera is caused to operate in the average photometric mode.
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申请公布号 |
US4402587(A) |
申请公布日期 |
1983.09.06 |
申请号 |
US19810303131 |
申请日期 |
1981.09.15 |
申请人 |
OLYMPUS OPTICAL COMPANY LTD. |
发明人 |
YAMASAKI, MASAFUMI |
分类号 |
G03B7/089;G03B7/083;G03B7/28;(IPC1-7):G03B7/08 |
主分类号 |
G03B7/089 |
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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