Patent ID: 7539519

Claim:
A power saving method for a multimode wireless terminal which includes at least two modems for processing information for different communication networks, said method comprising the steps of: registering connection information of the multimode wireless terminal with a terminal information management equipment through a first communication network from a first modem of the multimode wireless terminal when a main power of the multimode wireless terminal is turned on; determining whether a second modem of the multimode wireless terminal receives a turn-on signal from a main controller of the multimode wireless terminal when a call-processing is not existing; maintaining the second modem in a power-off state when the turn-on signal is not received by the second modem, and placing the second modem in a power-on state for establishing a connection to a second communication network when the turn-on signal is received by the second modem; and selecting one of the first and second communication networks to be accessible when the call-processing is existing; wherein the connection information includes a unique terminal number of the multimode wireless terminal and a location and identification information of the multimode wireless terminal.