Light communication system

Details Light communication system Light communication system

1988-09-06

1990-09-04

Orsino, Joseph A.

Telecommunications

Receiver or analog modulated signal frequency converter

Signal selection based on frequency

307266, 328 58, 375 17, 455613, 455618, H04B 1004

Patent

active

049550810

ABSTRACT:
In a light communication system in which data to be transmitted is converted to an amplitude-modulated light signal which is radiated to a space, and the radiated light signal is received and demodulated to reproduce the original data, the amplitude-modulated light signal is transmitted only for a predetermined period shorter than a unit time of the data to be transmitted.

REFERENCES:
patent: 2535061 (1950-12-01), Grieg
patent: 2605409 (1952-07-01), Forbes
patent: 3018390 (1962-01-01), Yourke
patent: 3796831 (1974-03-01), Bauer
patent: 3867648 (1975-02-01), Christenson
patent: 4006304 (1977-02-01), Sell
patent: 4399564 (1983-08-01), Cowen
Beguin-"Digitales Lichtwellenleiter"-Bulletin Technique PTT-7/1979 pp. 253-266.

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