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EP 1033179 B1 20080102 - Electroacoustic transducer arrangement

Title (en)

Electroacoustic transducer arrangement

Title (de)

Elektroakustische Wandleranordnung

Title (fr)

Dispositif transducteur électroacoustique

Publication

EP 1033179 B1 20080102 (DE)

Application

EP 99123728 A 19991130

Priority

DE 19909485 A 19990304

Abstract (en)

[origin: EP1033179A2] An electroacoustic transducer arrangement for sending and/or receiving sound waves, consists of at least two transducer elements, with a piezoelectric ceramic member, and front and rear mass members. The transducer elements (11,12) have separate front mass sections (14,14') and a common rear mass (10). The latter has a wave absorption construction.

IPC 8 full level

B06B 1/06 (2006.01)

CPC (source: EP)

B06B 1/0618 (2013.01)

Designated contracting state (EPC)

DK FR GB IT

DOCDB simple family (publication)

EP 1033179 A2 20000906; EP 1033179 A3 20011017; EP 1033179 B1 20080102; DE 19909485 C1 20001130; DK 1033179 T3 20080310; NO 20001048 D0 20000301; NO 20001048 L 20000905; NO 316349 B1 20040112

DOCDB simple family (application)

EP 99123728 A 19991130; DE 19909485 A 19990304; DK 99123728 T 19991130; NO 20001048 A 20000301