SPLIT BEAM SONAR
Assignee
Filed
Sep 27, 1971
Granted
Jan 1, 1991
Location
Abstract
A sonar system is disclosed that includes contiguously angularly disposed d oppositely rotated transmitting and receiving transducers for broadcasting an acoustic signal and for receiving target echoes thereof, respectively, at different angles from within overlapping zones thereof within an aqueous medium. A gated transmitter is employed to timely energize said transmitting transducer, and a gated target seeking receiver is employed to process the output signal of said receiving transducer. A cathode ray tube readout displays target signals from said receiver. A light sensitive probe produces an electrical output signal in response to a target signal displayed on said cathode ray tube which is used for gating the aforesaid transmitter and receiver in such manner as to accentuate the displayed target signal being probed at any given instant.
Source: Google Patents
35 USC §181 Secrecy Order
Imposed
Oct 28, 1981
Rescinded
Sep 20, 1990
Duration
8 years, 10 months
Inventor
- 1EDWARD L. PIPKIN
Record Details
- Patent number
- US 4982384
- Application
- 05184237
- Aerospace match
- Yes
- Dataset source
- 35 USC §181 SO records
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