发明名称 |
CIRCUIT FOR CORRECTING CROSS-PIN CUSHION DISTORTION OF TELEVISION RECEIVER |
摘要 |
PROBLEM TO BE SOLVED: To provide a distortion correction circuit used when cross-pin cushion distortion in appearance is different between the upper half face and the lower half face of the cathode-ray tube of a television receiver. SOLUTION: A cross-pin cushion distortion correction circuit is more flexible and higher accurate in such a manner that a generation circuit 1 for a correction waveform of a horizontal rate in the upper half face and a generation circuit 2 for a correction waveform of a horizontal rate in the lower half face are provided as a device and that the correction waveforms are changed over with a switch 4 at a vertical center place. COPYRIGHT: (C)2003,JPO |
申请公布号 |
JP2003179770(A) |
申请公布日期 |
2003.06.27 |
申请号 |
JP20010375590 |
申请日期 |
2001.12.10 |
申请人 |
MATSUSHITA ELECTRIC IND CO LTD |
发明人 |
HOSOKI TOSHIAKI |
分类号 |
H04N3/23;G09G1/00;G09G1/04;(IPC1-7):H04N3/23 |
主分类号 |
H04N3/23 |
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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