发明授权
- 专利标题: Automatic exposure control system for electronic camera
- 专利标题(中): 电子照相机自动曝光控制系统
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申请号: US511059申请日: 1990-04-19
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公开(公告)号: US5040072A公开(公告)日: 1991-08-13
- 发明人: Akio Tsuji , Hideki Ohmori
- 申请人: Akio Tsuji , Hideki Ohmori
- 申请人地址: JPX Tokyo
- 专利权人: Casio Computer Co., Ltd.
- 当前专利权人: Casio Computer Co., Ltd.
- 当前专利权人地址: JPX Tokyo
- 优先权: JPX1-101921 19890421; JPX1-101922 19890421; JPX1-110110 19890428; JPX1-110111 19890428
- 主分类号: H04N5/232
- IPC分类号: H04N5/232 ; H04N5/235
摘要:
In an electronic still camera employing a CCD, an automatic exposure control and an automatic focusing control are carried out by utilizing an image signal derived from CCD to photograph a subject. A liquid crystal display unit is provided within a viewfinder. A designation is performed on a subject image to be automatically controlled for the exposure and focusing operations by utilizing a frame displayed on the liquid crystal display unit. The automatic exposure control and automatic focusing control are executed with respect to the subject positioned within the frame displayed on the liquid crystal display unit.
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