发明授权
- 专利标题: Iris stabilizer for automatic video camera
- 专利标题(中): 用于自动摄像机的虹膜稳定器
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申请号: US656850申请日: 1991-02-19
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公开(公告)号: US5148281A公开(公告)日: 1992-09-15
- 发明人: Takashi Nakamura , Yoshikazu Nishimura
- 申请人: Takashi Nakamura , Yoshikazu Nishimura
- 申请人地址: JPX
- 专利权人: Sony Corporation
- 当前专利权人: Sony Corporation
- 当前专利权人地址: JPX
- 优先权: JPX2-74987 19900324
- 主分类号: G03B7/10
- IPC分类号: G03B7/10 ; H04N5/235 ; H04N5/238
摘要:
An iris control for a video camera which includes a manual adjuster and an automatic control. A video signal from an image pickup element is detected when it reaches a reference level. A unit to be activated for changing this iris is selectively changed-over between the manual and automatic control units, and the state of the iris is prevented from being changed when the unit to be activated is changed-over.
公开/授权文献
- US5774560A Digital acoustic reverberation filter network 公开/授权日:1998-06-30
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