发明名称 Muting device for silencing audio or video system when telephone rings includes LED for transmitting mute signal when ringing detected
摘要 When a telephone ringing signal is detected, an LED transmits a stored mute code to the audio or video system to silence it. The device may include in infrared sensor for reading in the mute code from a remote control unit. The device may be integrated in a telephone, a cordless telephone or a mobile telephone.
申请公布号 DE19834147(A1) 申请公布日期 2000.02.03
申请号 DE19981034147 申请日期 1998.07.29
申请人 CHRISTENSEN, BJOERN 发明人 CHRISTENSEN, BJOERN
分类号 H04B1/20;H04B1/38;(IPC1-7):H04B1/16;G08C23/04;H04M1/00;H04N5/44 主分类号 H04B1/20
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