Communications – electrical: acoustic wave systems and devices – Transmitter systems
Patent
1971-03-03
1980-07-29
Farley, Richard A.
Communications, electrical: acoustic wave systems and devices
Transmitter systems
H04B 102
Patent
active
042154286
ABSTRACT:
Disclosed is a transistorized sonar transmitter which includes a power suy, a variable frequency, variable power, switching output stage, the switching of which is actuated by suitable drive signals from a control signal generator and amplifier. The power output from said switching stage is controlled by a time-ratio-control circuit which regulates the voltage thereof by means of a variable duration TRC drive signal from said control signal generator and amplifier, the duration of which is proportional to the power output thereof.
REFERENCES:
patent: 3622960 (1971-11-01), Barron et al.
Rofini Raymond L.
Smith Laurence D.
Van Marter Charles W.
Doty Don D.
Farley Richard A.
Sciascia Richard S.
Skeer William T.
The United States of America as represented by the Secretary of
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