发明名称 |
Iris stabilizer for automatic video camera |
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.
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申请公布号 |
US5148281(A) |
申请公布日期 |
1992.09.15 |
申请号 |
US19910656850 |
申请日期 |
1991.02.19 |
申请人 |
SONY CORPORATION |
发明人 |
NAKAMURA, TAKASHI;NISHIMURA, YOSHIKAZU |
分类号 |
G03B7/10;H04N5/235;H04N5/238 |
主分类号 |
G03B7/10 |
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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