Patent ID: 7558977
Filing Date: 2009-07-07
Classification: H04N

Abstract:
1. A display device for managing power supply in an active stand-by mode, the device comprising: a signal mode supply unit to provide control signals for a mode in which a digital cable ready (DCR) feature is selected or for a mode in which a digital video recorder (DVR) feature and a signal processing circuit are selected; a stand-by power supply unit for supplying power for operating a micro computer and for operating at least one DCR feature when the DCR feature is selected; a multi-power supply unit for supplying power for operating at least one DVR feature and for operating a signal processing circuit when the DVR feature is selected; a display power supply unit for supplying power for operating a display module; and a switch unit for directing power to be supplied to the multi-power supply unit or to the stand-by power unit, and not to the display power supply unit, in the active stand-by mode.