发明授权
- 专利标题: Video blanking and sound muting circuit
- 专利标题(中): 视频屏蔽和声音静音电路
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申请号: US3673318D申请日: 1971-02-03
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公开(公告)号: US3673318A公开(公告)日: 1972-06-27
- 发明人: OLSEN PERRY CHARLES , TANG PAK CHONG
- 申请人: RCA CORP
- 专利权人: RCA Corp
- 当前专利权人: RCA Corp
- 优先权: US11217871 1971-02-03
- 主分类号: H03G3/34
- IPC分类号: H03G3/34 ; H03J5/10 ; H04N5/50 ; H04N5/44
摘要:
A switching circuit, dependent solely on the value of fixed impedances and supplied direct current voltages, blanks the picture and mutes the sound of a television receiver during its channel selection tuning, either manually or automatically by remote control.
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