초록 ▼

A cellular telephone battery having the functions of auto answering, hand-free listening and speaking, low power control, power wake up control, battery protection, and quick charging. The battery includes an auto-answer and hand-free control unit connected to the mainframe of the cellular telephone

A cellular telephone battery having the functions of auto answering, hand-free listening and speaking, low power control, power wake up control, battery protection, and quick charging. The battery includes an auto-answer and hand-free control unit connected to the mainframe of the cellular telephone, a set of control buttons, a microphone, an indicator light, and a speaker respectively mounted on the outside for operation by the user to control the auto-answer and hand-free control unit, the auto-answer and hand-free control unit including an encoder/decoder/storage unit and two exchanging units controlled by the control buttons to achieve the specified functions.

대표청구항 ▼

[ I claim:] [1.] A cellular telephone battery comprising a battery body adapted for providing a cellular telephone with the necessary working power supply, said battery body comprising:a current rectifying and voltage converting device adapted for rectifying and converting input power supply to the

[ I claim:] [1.] A cellular telephone battery comprising a battery body adapted for providing a cellular telephone with the necessary working power supply, said battery body comprising:a current rectifying and voltage converting device adapted for rectifying and converting input power supply to the desired working power supply;an auto-answer and hand-free control device connected to said current rectifying and voltage converting device, said auto-answer and hand-free control device comprising a control unit connected to the mainframe of the cellular telephone, a control button unit, a microphone, an indicator light, a speaker, two exchanging units, and an encoder/decoder/storage unit, one of said exchanging unit receiving the voice of the opponent from the cellular telephone and driving it out of said speaker, the other of said exchanging unit receiving the voice of the user from said microphone and sending it to the opponent through the cellular telephone.