Bidirectional amplifier

Communications: electrical – Land vehicle alarms or indicators

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Details

379345, H04B 158

Patent

active

047588225

ABSTRACT:
A bidirectional amplifier for use in a transmission line, that utilizes a pair of interconnected bridge circuits including isolation transformers and a pair of unidirectional amplifiers. The transmission in each direction uses a single amplifier to amplify the signal for a particular direction of transmission without effecting the other amplifier.

REFERENCES:
patent: 2496266 (1950-02-01), Brode et al.
patent: 3711660 (1973-01-01), Cherry
patent: 3855431 (1974-12-01), Stewart
patent: 3934099 (1976-01-01), Elder, Jr.
patent: 4163878 (1979-08-01), Hashemi
patent: 4358643 (1982-11-01), Levy
"Electronic Instrumentation and Measurement Techniques", W. Cooper, Prentice-Hall, Inc., New Jersey, 1978, pp. 179-197.

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