Multi-purpose battery for a mobile telephone

Details Multi-purpose battery for a mobile telephone Multi-purpose battery for a mobile telephone

1994-06-10

1997-12-23

Chiang, Jack K.

Telephonic communications

Terminal

Housing or housing component

379434, H04M 100

Patent

active

057013411

ABSTRACT:
A multi-purpose battery for a mobile telephone including a casing, a battery pack disposed within the casing, a vocal processor fitted in the casing and connected with the battery pack, the vocal processor including an analog/digital converter, a memory unit and a signal amplifier, a microphone connected with the vocal processor, a speaker connected with the vocal processor, a record switch connected with the vocal processor, a playback switch connected with the vocal processor, and an illumination switch connected between illuminating device and the battery pack.

REFERENCES:
patent: 5003576 (1991-03-01), Helferich
patent: 5265158 (1993-11-01), Tattari

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