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Wide beam array with sharp cutoff
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Patent number 5,781,509
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Issue date Jul 14, 1998
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The United States of America as represented by the Secretary of the Navy
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William J. Zehner
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B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
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Toroidal volume search sonar
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Patent number 5,506,812
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Issue date Apr 9, 1996
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The United States of America as represented by the Secretary of the Navy
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William J. Zehner
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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Sonar array with reduced grating lobes
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Patent number 5,414,676
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Issue date May 9, 1995
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The United States of Americas as represented by the Secretary of the Navy
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William J. Zehner
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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Passive beamformer with low side lobes
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Patent number 5,329,495
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Issue date Jul 12, 1994
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The United States of America as represented by the Secretary of the Navy
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William J. Zehner
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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