Pulse or digital communications – Repeaters – Testing
Patent
1985-06-20
1986-09-23
Griffin, Robert L.
Pulse or digital communications
Repeaters
Testing
328 28, 307261, H04L 2700
Patent
active
046139737
ABSTRACT:
A system, including methods and apparatus, requiring digital communication between two devices using radio frequency communications to provide the link. Apparatus for decoding a digital data stream is provided, which data stream has been imposed on a base band signal where the rate of data transmission is as high as twice the frequency of the base band signal. A differential amplifier is employed to recognize the beginning and end of a segment of a wave cycle which represents a digital bit.
REFERENCES:
patent: 3187260 (1965-06-01), Dove
patent: 3617769 (1971-11-01), Hanson
patent: 3693028 (1972-09-01), Fussell
patent: 4007382 (1977-02-01), Warberg
patent: 4222008 (1980-09-01), Mezrich
patent: 4333024 (1982-06-01), Maussion
patent: 4535294 (1985-08-01), Ericksen et al.
Chin Stephen
Eaton-Kenway Inc.
Foster Lynn G.
Griffin Robert L.
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