Radio telephone system which utilizes an infrared signal communi

Telephonic communications – Having light wave or ultrasonic link for speech or paging... – Including fiber optic link within telephone network

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Details

379 58, 455 383, H04Q 718, H04Q 720

Patent

active

056362641

ABSTRACT:
A radio telephone system comprising a transceiver unit and an external device, such as a handset, computer or telecopier, in wireless infrared signal communication with the transceiver unit. The information transmitted between the transceiver unit and the external device is transmitted as infrared digital pulses. The infrared pulses maybe transmitted in four digital time division multiplexed channels.

REFERENCES:
patent: 5086510 (1992-02-01), Guenther et al.
patent: 5315645 (1994-05-01), Matheny
patent: 5343319 (1994-08-01), Moore
patent: 5446783 (1995-08-01), May

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