Communications – electrical: acoustic wave systems and devices – Testing – monitoring – or calibrating
Patent
1959-01-08
1980-06-03
Farley, Richard A.
Communications, electrical: acoustic wave systems and devices
Testing, monitoring, or calibrating
114 23, H04B 1700
Patent
active
042065089
ABSTRACT:
In a device for testing torpedo acoustic homing systems the combination crising: first means for providing a plurality of output voltages having substantially equal amplitudes and adjustable predetermined relative phase relationships adapted for connection with a torpedo acoustic homing system, second means for supplying an electrical signal having substantially the same characteristics as an acoustical signal received by an underwater transducer to said first means; and indicating means adapted for monitoring the operation of said homing system whereby the response of said homing system to said output voltages of said first means is pointed out.
REFERENCES:
patent: 2522541 (1950-09-01), Saxton
patent: 2704644 (1955-03-01), Good
Brooks Harvey
Lehmann Emil W.
Slaton Jack H.
Farley Richard A.
Hansen Henry
Sciascia R. S.
The United States of America as represented by the Secretary of
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