FSK Data transceiver

Pulse or digital communications – Repeaters – Testing

Patent

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Details

375 81, H04L 2710

Patent

active

044752164

ABSTRACT:
An FSK data transceiver for long distance data communication is arranged such that transmitted data is composed of coded information in binary form. The data carrier signal utilized in the transceiver is a continuous rather than an intermittent signal and the receiver portion of the transceiver tracks the transmitted carrier signal so as to not lose the signal. The receiver performs an averaging process on the received data for improving the signal to noise ratio of the received signal.

REFERENCES:
patent: 3667046 (1972-05-01), Schoolcraft
patent: 3777272 (1973-12-01), Fletcher et al.
patent: 4085378 (1978-04-01), Ryan et al.
patent: 4253067 (1981-02-01), Caples et al.
patent: 4290140 (1981-09-01), Malm
patent: 4344178 (1982-08-01), Waters

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