发明授权
- 专利标题： Camera system
- 专利标题（中）： 相机系统
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申请号： US350461申请日： 1989-05-11
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公开(公告)号： US5040014A公开(公告)日： 1991-08-13
- 发明人: Koji Hata , Shinichi Nishimura , Toshihiko Ishimura , Takehiro Katoh , Yasuteru Yamano , Masaaki Nakai
- 申请人： Koji Hata , Shinichi Nishimura , Toshihiko Ishimura , Takehiro Katoh , Yasuteru Yamano , Masaaki Nakai
- 申请人地址： JPX Osaka
- 专利权人： Minolta Camera Kabushiki Kaisha
- 当前专利权人： Minolta Camera Kabushiki Kaisha
- 当前专利权人地址： JPX Osaka
- 优先权： JPX63-118625 19880516
- 主分类号： G03B7/28
- IPC分类号： G03B7/28 ; G02B7/28 ; G02B7/36 ; G03B13/36
摘要：
A camera system, having a plurality of light measuring regions respectively corresponding to focus detecting regions, which includes a device for calculating luminance of an object based on measured light values of the light measuring regions and a device for altering the focus detecting regions.
公开/授权文献
- US4410291A Antinoise device for impact serial printers 公开/授权日：1983-10-18