Patent ID: 7669063
Filing Date: 2010-02-23
Classification: G06F,Y02D

Abstract:
1. A method of power down control (PDC) for a television, the method to be implemented by a processor in a power down controller of the television, the power down controller receiving power from a PDC power source and including a memory unit, the television further including a main system that receives power from a main system power source, the processor having firmware stored therein for executing the method, the method comprising the steps of: upon resumption of power after the main system is shut down due to power interruption, inspecting a state parameter that is stored in the memory unit of the power down controller, and that is associated with a previous operating state of the main system at the time power was interrupted; determining whether the main system is to be activated with reference to the inspected state parameter; and turning on the main system power source to activate the main system to the previous operating state when it is determined that the inspected state parameter indicates that the previous operating state of the main system at the time power was interrupted is an activated state.