Patent ID: 6697647
Filing Date: 2004-02-24
Classification: G08B,H04M,H04W

Abstract:
A cellular mobile telephone system comprising a cellular mobile telephone apparatus and a peripheral apparatus which is provided separately from said cellular mobile telephone apparatus and is capable of communicating bidirectionally with said cellular mobile telephone apparatus,wherein said cellular mobile telephone apparatus comprises: a receiving/transmitting means for receiving and transmitting radio frequency signals between a base station and said cellular mobile telephone apparatus; a modulating/demodulating means for demodulating the radio frequency signals into a digital signal including an audio signal and a control signal and for modulating the digital signal into the radio frequency signals; a controlling means for controlling operation of said cellular mobile telephone apparatus in accordance with the control signal; and a first communicating means for performing bidirectional communication with said peripheral apparatus, said first communicating means for transmitting a first control information for controlling operation of said peripheral apparatus; and wherein said peripheral apparatus comprises: an inputting means for inputting a second control information; a second communication means for performing bidirectional communication with the cellular mobile telephone apparatus; and a control means for controlling operation of said peripheral apparatus in accordance with said first control information, said control means for performing control of said cellular mobile telephone apparatus through said second communication means according to said second control information for changing a mode of said cellular mobile telephone apparatus.