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

1980-01-03

1981-06-02

Richardson, Robert L.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

455231, H04N 544

Patent

active

042714320

ABSTRACT:
A power supply control apparatus for a television receiver has a manually-actuable power switch for switching the power supply of the television receiver between its ON and OFF states, a digital timer for generating a time code representing the current time, a key input for generating a start-time code and an end-time code respectively representing programmable start and end times, a memory for storing the start-time and end-time codes, first and second coincidence detectors for generating first and second coincidence outputs whenever there is coincidence between the generated time code and the stored start-time and end-time codes, respectively, and a conditioning circuit for conditioning the power switch in response to the first and second coincidence outputs, so that the power switch is enabled and disabled, respectively, following the occurrence of the start and end times when the outputs of the timing circuit and the first memory coincide, a second coincidence detector for detecting the coincidence 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 disabling 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.

REFERENCES:
patent: 3949240 (1976-04-01), Saito et al.

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