Computer graphics processing and selective visual display system – Display driving control circuitry – Display power source
Patent
1997-07-23
2000-08-01
Shankar, Vijay
Computer graphics processing and selective visual display system
Display driving control circuitry
Display power source
345210, 345212, 345213, G09G 500
Patent
active
060973781
ABSTRACT:
In one arrangement of a video display apparatus according to the present invention, an audio power supply, which separated from a constant voltage generator, is directly connected to a main power supply and supplies power to an audio circuit. A microcontroller generates an audio power control signal in response to key input data entered from a key input unit. An audio power controller is provided to shut off the audio power supplied to the audio circuit in response to the audio power control signal from the microcontroller. In another arrangement, the audio power supply is connected to an auxiliary power supply for supplying power to the microcontroller. Thus, the supplying of the audio power to the audio circuit can be controlled independent of the video circuitry and in accordance with user's need.
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Bushnell Esq. Robert E.
Samsung Electronics Co,. Ltd.
Shankar Vijay
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