发明名称 Timing device for blocking television signals
摘要 A timing device for television that controls television viewing by interrupting the input signal, or input signals, to a remote television during a predetermined time or times of day. A user selects and manually presets the timer to automatically close or open an internal switch that alternately connects and interrupts transmission of an input signal, or input signals, to a remote television.
申请公布号 US5917256(A) 申请公布日期 1999.06.29
申请号 US19980015958 申请日期 1998.01.30
申请人 BROADBENT, II, FREDERICK J. 发明人 BROADBENT, II, FREDERICK J.
分类号 H04N7/16;(IPC1-7):H04M7/167 主分类号 H04N7/16
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