Accession Number : ADD014766

Title :   Electroacoustic Transducer.

Descriptive Note : Patent, Filed 2 Jan 73, patented 20 Nov 90,

Corporate Author : DEPARTMENT OF THE NAVY WASHINGTON DC

Personal Author(s) : Teel, Willis A

Report Date : 20 Nov 1990

Pagination or Media Count : 8

Abstract : An electroacoustic transducer having a truncated hemispheric propagation or response pattern is disclosed. The transducer comprises an assembly of fish-bone shaped piezoelectric elements, each characterized by a plurality of rod portions extending from a spine portion. The assembly is pivotally mounted within a liquid filled acoustic window means. (jhd)

Descriptors :   ACOUSTIC WINDOWS, ELECTROACOUSTIC TRANSDUCERS, FILLING, HEMISPHERES, LIQUIDS, PATTERNS, PROPAGATION, RESPONSE, SPINAL COLUMN, TRANSDUCERS, TRUNCATION

Subject Categories : Acoustic Detection and Detectors

Distribution Statement : APPROVED FOR PUBLIC RELEASE