发明名称 |
TELEVISION IMAGE CONTROL CIRCUIT |
摘要 |
A voltage dependent resistor is coupled to sense the line voltage applied to a television receiver, and to respond to its variations in a manner to maintain substantially constant brightness and vertical height in the reproduced image when such changes occur.
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申请公布号 |
US3692931(A) |
申请公布日期 |
1972.09.19 |
申请号 |
USD3692931 |
申请日期 |
1971.06.30 |
申请人 |
RCA CORP. |
发明人 |
JOHN KENNETH ALLEN;MARVIN NEIL NORMAN |
分类号 |
H04N3/223;H04N5/57;(IPC1-7):H04N5/14 |
主分类号 |
H04N3/223 |
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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