发明授权
- 专利标题： Indicating apparatus for camera
- 专利标题（中）： 相机指示装置
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申请号： US456786申请日： 1983-01-10
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公开(公告)号： US4500193A公开(公告)日： 1985-02-19
- 发明人: Ryoichi Suzuki , Ryuji Tokuda
- 申请人： Ryoichi Suzuki , Ryuji Tokuda
- 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： JPX55-45958 19800407
- 主分类号： G03B17/18
- IPC分类号： G03B17/18 ; G03B17/20 ; G03B7/08
摘要：
In the disclosed indicating apparatus, an alarm operates an indicator when a light measuring system measures abnormal lighting. A latch latches the alarm in response to a shutter release to indicate that the shutter is open. A switchover device changes the alarm signal in response to the end of an exposure. According to one embodiment of the invention, the indicator displays the alarm condition while the shutter is open. According to another embodiment of the invention, the indicator assumes a condition constituting a substate of the alarm condition.
信息查询
