-
Dual beam doppler shift hydrophone
-
Patent number 4,998,225
-
Issue date Mar 5, 1991
-
The United States of America as represented by the Secretary of the Navy
-
Peter Shajenko
-
G01 - MEASURING TESTING
-
-
Optical sensing devices
-
Patent number 4,522,495
-
Issue date Jun 11, 1985
-
The United States of America as represented by the Secretary of the Navy
-
Peter Shajenko
-
G01 - MEASURING TESTING
-
Wide-area acousto-optic hydrophone
-
Patent number 4,422,167
-
Issue date Dec 20, 1983
-
The United States of America as represented by the Secretary of the Navy
-
Peter Shajenko
-
G01 - MEASURING TESTING
-
Acousto-optical transducer
-
Patent number 4,188,096
-
Issue date Feb 12, 1980
-
The United States of America as represented by the Secretary of the Navy
-
Peter Shajenko
-
G02 - OPTICS
-
Fiber optic acoustic array
-
Patent number 4,115,753
-
Issue date Sep 19, 1978
-
The United States of America as represented by the Secretary of the Navy
-
Peter Shajenko
-
G01 - MEASURING TESTING