Hydrophone Techniques for Underwater Sound Pickup von Geil, Fred G

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Transducer array von Geil, Fred G.

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Development of 0–3 piezocomposite transducers for underwater applications von Geil, Fred G., Matteson, Linda L.

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A sonar application of 1-3 piezocomposite material von Geil, Fred G., Gentilman, Richard, Serwatka, William, Webman, Kenneth

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Recent development in the application of 0-3 piezoelectric composites for hydrophone arrays von Ting, Robert Y, Geil, Fred G

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The Westinghouse automated acoustic test facility von James, Leslie M., Geil, Fred G.

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A balanced, centrally stiffened design for PVDF hydrophone arrays von Ting, Robert Y., Geil, Fred G.

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Application of piezoelectric composite for large-area hydrophone arrays von Geil, Fred G., Ting, Robert Y.

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Hydrophone Techniques for Underwater Sound Pickup von Geil, Fred G

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Transducer array von GEIL, FRED G

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Underwater communications system von GEIL, FRED G

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Acceleration canceling pressure gradient hydrophone von Mahler, John I., Douglas, George R., Geil, Fred G.

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Mechanical filter and method of acoustically coupling waveguides therein von THOMPSON, JOHN H, GEIL, FRED G

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Technique for minimizing loss of sensitivity of buried pressure responsive devices von DUNSWORTH, WILLIAM K, GEIL, FRED G

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TRANSDUCER von FRED G. GEIL, JOHN H. THOMPSON, ROBERT H. WHITTAKER

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Tunable narrow bandpass magnetrostrictive filter with electrostrictive drive von WHITTAKER ROBERT H, CRAIG FLOYD B, GEIL FRED G

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Transducer von WHITTAKER ROBERT H, THOMPSON JOHN H, GEIL FRED G

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Method and means for measuring temperature using acoustical resonators von THOMPSON, JOHN H, GEIL, FRED G, GANNON, JR., GEORGE F

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SECURITY SIGNAL APPARATUS von FRED G. GEIL, ARTHUR NELKIN, CHARLES B. DURGIN, JOHN H. THOMPSON

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PERIMETER INTRUSION ALARM von FRED G. GEIL, ARTHUR NELKIN, CHARLES B. DURGIN, JOHN H. THOMPSON

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