发明名称 |
Burst gate and backporch clamping circuitry |
摘要 |
In a signal receiver utilizing a video signal having a blanking signal with a backporch portion whereat a color burst signal is disposed includes a ramp potential development means responsive to a pulse signal as well as a potential storage, clamping, and slope altering means for effecting alterations in the width of a burst gate potential. In another aspect, a potential storage, clamping, and slope altering means is responsive to the ramp potential development means for effecting clamping of the backporch portion of the blanking signal.
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申请公布号 |
US3949418(A) |
申请公布日期 |
1976.04.06 |
申请号 |
US19750544278 |
申请日期 |
1975.01.27 |
申请人 |
GTE SYLVANIA INCORPORATED |
发明人 |
SRIVASTAVA, GOPAL KRISHNA |
分类号 |
H04N9/455;H04N9/72;(IPC1-7):H04N9/46;H04N9/53 |
主分类号 |
H04N9/455 |
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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