Battery charger for cellular phone, having speaker

A battery charger for a cellular phone, having a speaker includes an ear jack connected to an ear jack of the cellular phone, for transmitting a voice signal of the cellular phone to the battery charger, a voice amplifier for amplifying the voice signal from the ear jack, and a speaker for convertin...

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Bibliographic Details
Main Author YI SANG YONG
Format Patent
LanguageEnglish
Published 21.01.2003
Edition7
Subjects
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TELEPHONIC COMMUNICATION
TRANSMISSION
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Summary:A battery charger for a cellular phone, having a speaker includes an ear jack connected to an ear jack of the cellular phone, for transmitting a voice signal of the cellular phone to the battery charger, a voice amplifier for amplifying the voice signal from the ear jack, and a speaker for converting the voice signal output from the voice amplifier into voice. The battery charger for a cellular phone, having a speaker further includes a communication port connected to a communication port of the cellular phone when the cellular phone is inserted(connected) to the battery charger, for mutually transmitting the voice signal, and a selector for connecting either the communication port or the ear jack with the voice amplifier.
Bibliography:Application Number: US20000749466