Power supply control apparatus for a television receiver

Details Power supply control apparatus for a television receiver Power supply control apparatus for a television receiver

H - Electricity

04

N

350/109, 342/19.

H04N 5/44 (2006.01) G04G 15/00 (2006.01)

Patent

CA 1132248

ABSTRACT OF THE DISCLOSURE A power supply control apparatus for a television receiver is disclosed which has a manual power switch for controlling the power supply to the television receiver, a timing circuit for generating a time code representing a present time and including a reference signal generator and a frequency divider for dividing the frequency of the reference signal, a first input key for generating a start time code representing a programmable start time, a first memory for memorizing the start time code from the first input key, a second input key for generating an end time code representing a programmable end time, a second memory for memorizing the end time code from the second input key, a first coincidence detector for detecting the coincidence of the outputs of the timing circuit and the first memory and generating a first coincidence output when the outputs of the timing circuit and the first memory coin- cide, a second coincidence detector for detecting the coinci- dence of the outputs of the timing circuit and the second memory and generating a second coincidence output when the outputs of the timing circuit and the second memory coincide, a first circuit responsive to the first coincidence output and for dis- abling or enabling the operation of the manual power switch, and a second circuit responsive to the second coincidence output and for enabling or disabling the operation of the manual power switch.

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