Patent ID: 6097378
Filing Date: 2000-08-01
Classification: G06F,G09G

Abstract:
A video display apparatus performing power savings in response to horizontal and vertical synchronizing signals and video signals supplied from a host supporting the power savings, the apparatus comprising:means for supplying first power;means for generating a constant voltage by means of the first power;means for supplying second power;a microcontroller capable of operating by means of the second power, for generating first and second power control signals through first and second output ports thereof, respectively, in response to the horizontal and vertical synchronizing signals and the video signals, and generating a third power control signal through a third output port thereof in response to key input data entered from a key input unit;means for shutting off the constant voltage in response to the first power control signal;means for shutting off the first power in response to the second power control signal;means for supplying third power by means of the first power;means capable of operating by means of the third power, for processing audio signal from the host; andmeans for shutting off the third power in response to the third power control signal, whereby the supplying of the third power to the audio processing means is controlled independent of the video circuitry.