Low power portable communication system with wireless...

Details Low power portable communication system with wireless... Low power portable communication system with wireless...

2001-04-03

2009-12-08

Singh, Dalzid (Department: 2613)

Optical communications

Photophone

C398S187000, C398S189000, C455S041200, C455S426100, C455S569100

Reexamination Certificate

active

07630646

ABSTRACT:
A portable communication system provides a universal transmitter that couples to a communication device having an audio port, e.g., a cellular phone audio port, and which transforms the sound output into signals, e.g., infrared pulses, for transmission to a wireless receiver, e.g., a behind the ear or in the ear receiver.

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