Computer graphics processing and selective visual display system – Display driving control circuitry – Display power source
Patent
1996-07-15
1998-04-28
Liang, Regina
Computer graphics processing and selective visual display system
Display driving control circuitry
Display power source
345211, G09G 500
Patent
active
057451052
ABSTRACT:
0An apparatus and method for saving power by cutting off the power supplied to a monitor when an input signal does not exist for a given time period. An input signal is checked to see if it is sensed from input means of the monitor. A power circuit is operated each time the input signal is sensed and simultaneously a time value for performing a power saving mode is set in a reference buffer. The receiving time of the input signal is counted by updating the time value set in the reference buffer each time an interrupt signal is received from a timer, and then the time value of the reference buffer is read. If the input signal is not sensed until a setting time elapses, an operating voltage of the monitor is cut off by controlling the operation of the power circuit.
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Bushnell Esq. Robert E.
Liang Regina
Samsung Electronics Co,. Ltd.
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