发明名称 |
Automatic control of television camera iris |
摘要 |
A video camera (2) is provided with a movement detector (6). The output of the detector (6) is used by a control circuit (6) to vary the response time of the auto-iris in the camera (2) in dependence on the amount of movement in a scene at which the camera is pointed and for low levels of motion, the response time of the auto-iris is made rapid. <IMAGE> |
申请公布号 |
GB2259423(A) |
申请公布日期 |
1993.03.10 |
申请号 |
GB19910019254 |
申请日期 |
1991.09.09 |
申请人 |
* BRITISH BROADCASTING CORPORATION |
发明人 |
NORMAN GEORGE PERCY * RIGGS;NORMAN GEORGE PERCY * RIGGS |
分类号 |
H04N5/235 |
主分类号 |
H04N5/235 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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