Patent ID: 6822764
Filing Date: 2004-11-23
Classification: H04M,H04N,Y02D

Abstract:
A communication terminal including an energy saving function, comprising:main control means for controlling said communication terminal in its entirety when power is fed from a main power source to said main control means; auxiliary control means operating when said communication terminal is in a stand-by state for managing conditions of said communication terminal requiring time management when said power is fed to said auxiliary control means instead of to said main control means; and time managing means for managing, while said auxiliary control means is in operation, a period of time elapsed in said stand-by state of said communication terminal and for feeding time information to said auxiliary control means, wherein said main control means feeds, before said communication terminal enters said stand-by state, a specified cancelling time for cancelling said stand-by state to said auxiliary control means, and said auxiliary control means compares, in said stand-by state, said time information and said specified cancelling time and cancels, when said specified cancelling time is reached, said stand-by state for starting power supply to said main control means and a plurality of preselected units.