TV phone communication system and apparatus therefor

Details TV phone communication system and apparatus therefor TV phone communication system and apparatus therefor

1990-01-23

1991-10-29

Ng, Jin F.

Telephonic communications

Having light wave or ultrasonic link for speech or paging...

Including fiber optic link within telephone network

358 85, H04N 142

Patent

active

050619926

ABSTRACT:
A TV phone communication system is provided in which the communication between two parties can be maintained without interruption when a third party has made a call to one of the two parties. Specifically, one of the two parties can communicate with the third party without causing the other of the two parties to recognize the presence of the third party.

REFERENCES:
patent: 3946158 (1976-03-01), Leclercq et al.
patent: 4242539 (1980-12-01), Hashimoto
patent: 4813070 (1989-03-01), Humphreys et al.
patent: 4882743 (1989-11-01), Mahmoud
Telecom-Report, vol. 10, Sep./Oct. 1987.

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