| 摘要 |
This circuit comprises a signal limiter (10) for cutting synchronizing signal of input luminance signal, a differential amount controlling section (20) for adjusting differential amount according to voltage level, a buffer (30) for amplifying the differential signal, a signal adding section (40) for outputting edge corrected signal mixed with the buffer output and luminance signal passed through a low band pass filter (50), a switching device (60) for selecting and outputting correcting signal and original input luminance signal, a transistor (Q1) for controlling switching and differential operation and being operated by control signal of a micom.
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