发明名称 |
DEFLECTION CIRCUIT HAVING A CONTROLLABLE SAWTOOTH GENERATOR |
摘要 |
In a vertical sawtooth generator of a vertical deflection circuit, a first comparator generates an output signal when a retrace portion of a sawtooth signal is at a first magnitude to initiate a vertical trace portion of the sawtooth signal. An amplifier responsive to the sawtooth signal generates a feedback current at a time that occurs more than one-half of the length of vertical trace portion after vertical trace is initiated. The feedback current is coupled to a capacitor to develop a capacitor voltage. The capacitor voltage is applied via a voltage-to-current converter to an integrating capacitor to develop in the integrating capacitor the trace portion of the sawtooth signal.
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申请公布号 |
CA2089291(A1) |
申请公布日期 |
1993.09.03 |
申请号 |
CA19932089291 |
申请日期 |
1993.02.11 |
申请人 |
THOMSON CONSUMER ELECTRONICS, S.A. |
发明人 |
KOBLITZ, KARL R. |
分类号 |
H04N3/16;G01R13/24;G09G1/04;H04N3/223;(IPC1-7):H04N3/16;H03K4/12 |
主分类号 |
H04N3/16 |
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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