Video signal optical transmission system

Details Video signal optical transmission system Video signal optical transmission system

1989-03-09

1991-10-01

Envall, Jr., Roy N.

Facsimile and static presentation processing

Facsimile

Recording apparatus

358336, 358343, 359173, H04N 576, G02F 100

Patent

active

050538829

ABSTRACT:
A video signal optical transmission system reproduces and transmits video and audio signals from an optical disk as pulsed FM signals which are converted to optical signals prior to transmission. No additional frequency modulation is required prior to transmission. With this transmission system, special demodulation circuitry no longer is required, so that existing demodulation circuitry on the receiving side can be used.

REFERENCES:
patent: 4243849 (1981-01-01), Goshima et al.
patent: 4683502 (1987-07-01), Higashi et al.
patent: 4805040 (1989-02-01), Oku et al.
patent: 4815063 (1989-03-01), Aoshima et al.
patent: 4912524 (1990-03-01), Nakamura et al.
patent: 4928318 (1990-05-01), Ibe et al.

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