发明授权
- 专利标题: Indication and photometric unit
- 专利标题(中): 指示和光度单位
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申请号: US874023申请日: 1978-02-01
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公开(公告)号: US4167332A公开(公告)日: 1979-09-11
- 发明人: Nobuaki Sakurada , Nobuhiko Shinoda , Tadashi Ito , Yukio Mashimo , Fumio Ito
- 申请人: Nobuaki Sakurada , Nobuhiko Shinoda , Tadashi Ito , Yukio Mashimo , Fumio Ito
- 申请人地址: JPX Tokyo
- 专利权人: Canon Kabushiki Kaisha
- 当前专利权人: Canon Kabushiki Kaisha
- 当前专利权人地址: JPX Tokyo
- 优先权: JPX49/119627 19741017
- 主分类号: G03B17/20
- IPC分类号: G03B17/20 ; G01J1/42 ; G03B13/02
摘要:
The present invention relates to an integrated circuit body suited to be applied for a TTL single reflex camera, by arranging at least two of the three circuit parts, namely the indication circuit part presenting an indication function, the light sensing circuit part presenting a light sensing function and the control-operation circuit part.
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