Communications – electrical: acoustic wave systems and devices – Transmitter systems – With beam forming – shaping – steering – or scanning
Patent
1993-06-30
1994-07-12
Pihulic, Daniel T.
Communications, electrical: acoustic wave systems and devices
Transmitter systems
With beam forming, shaping, steering, or scanning
367154, 367905, H04R 1700
Patent
active
053294955
ABSTRACT:
A pulsed-transmission, narrow-band sonar system has a first antenna array ich is unshaded and a second array partitioned into four parts, the center two of which are electrically connected in parallel and the outer two of which are connected in series.
REFERENCES:
patent: 4291396 (1981-09-01), Martin
Connors, Jr. Edward J.
Pihulic Daniel T.
The United States of America as represented by the Secretary of
Townsend William C.
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