DOPPLERIZED ECHO REPEATER
Assignee
Filed
Mar 29, 1963
Granted
Feb 5, 1991
Location
Abstract
The present invention relates generally to submarine simulating decoy and particular is a sonar system for receiving the acoustical search pulse from an enemy or other vehicle and converting it into a dopplerized sonar signal which is then broadcast back to the enemy vessel for deception and tactical combat purposes.
Source: Google Patents
35 USC §181 Secrecy Order
Imposed
Oct 28, 1981
Rescinded
Nov 1, 1990
Duration
9 years
Record Details
- Patent number
- US 4991144
- Application
- 04269211
- Aerospace match
- Yes
- Dataset source
- 35 USC §181 SO records
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