发明授权
- 专利标题: Single lens reflex camera
- 专利标题(中): 单镜头反光相机
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申请号: US407325申请日: 1982-08-12
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公开(公告)号: US4427281A公开(公告)日: 1984-01-24
- 发明人: Akira Yamada
- 申请人: Akira Yamada
- 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: JPX56-130484 19810820
- 主分类号: G03B17/02
- IPC分类号: G03B17/02 ; G03B17/00 ; G03B19/12 ; G03B13/02 ; G03B17/18
摘要:
A DC/DC converter is provided above the penta prism in a single lens reflex camera for increasing the battery voltage for driving the various electric parts, display parts, etc. necessary to take pictures.
公开/授权文献
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