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标题 发布/更新时间 阅读量
Blanking and black level control circuit for video signals 2023-03-14 233
Black level control circuit for a television receiver 2023-03-06 314
Black level stabilization circuit 2023-03-13 536
Black level shift compensating amplifier 2023-03-19 425
Direct current restorer for maintaining constant black level at cathode-ray tube 2023-03-15 527
Amplitude and frequency discriminatory gating circuit 2023-03-16 681
Video amplifier feeding constant black level output to cathoderay tube 2023-03-18 439
Automatic amplification and black level control for television receivers 2023-03-22 626
Automatic black-level control circuit 2023-03-08 370
Black level control circuit for a television receiver utilizing a sync peak keyed agc circuit 2023-03-09 155
Television receiver circuit means for stabilizing black level on scenes of low average brightness and for suppressing black level on high brightness scenes 2023-03-07 421
Circuit arrangement for adjusting the black level of a video signal 2023-03-12 344
Black level stabilizing circuit for television systems 2023-03-25 679
Black level control in television transmission 2023-03-21 735
Television receiver including black-level control 2023-03-20 780
Black level stabilization system for a television receiver 2023-03-10 816
Composite signal-producing apparatus with means for producing sync pulses by offsetting black level 2023-03-24 417
Apparatus for controlling black level shift in television signals 2023-03-17 57
Automatic black level control 2023-03-23 567
Slow-scan composite signal-producing apparatus with means for producing sync pulses by offsetting black level 2023-03-11 921
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