Patent ID: 8578181
Filing Date: 2013-11-05
Classification: G06F,H04N

Abstract:
1. An electric device comprising: a main memory; at least one or more processing units that perform a predetermined process; a power-supply control unit that controls supply of electric power from a power source to the processing units and shutoff of the supply; a main control unit that performs a start-up process if the main control unit is supplied with power from the power source; and a sub control unit, wherein electric power is supplied only to the sub control unit and to the main memory that stores a program for the main control unit to execute the start-up process, wherein the sub control unit is configured to supply electric power to the main control unit after the sub control unit has performed an initialization operation, the sub control unit is configured to stop supplying electric power to the main control unit after the start-up process of the main control unit has been performed, and the sub control unit is configured to control the main control unit so that the main control unit is supplied again with the electric power if the main control unit receives a request for executing a predetermined process.