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.
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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 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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