Murata Machinery, Ltd.

Timothy M Burke

Takashi Nakano

Thomas K Brown

Yoji Tsujishita

Toshiharu Fukuma

Yoshihiro Kinoshita

A hand held cellular telephone system including voice storage features which enable the cellular telephone to perform functions similar to a telephone answering device, a battery monitoring system for providing the user with a real time display of the amount of time remaining for use of the cellular telephone in both the standby and conversation modes, and an interface adapter which may be used to provide speakerphone functions, power the cellular telephone, and recharge the battery.

Cellular hand held portable speakerphone system having an interface

A battery monitoring system for a cellular telephone which provides the user with a real time display of the amount of time remaining for use of the cellular telephone in both the standby and conversation modes. The amount of time may be calculated directly from the rate of discharge of the battery or from stored conversion factors corresponding to various states of charge of the battery.

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Plano, TX, United States of America

Timothy M Burke