EP 2700247 A1 20140226 - DEVICE FOR EMITTING AN ACOUSTIC WAVE
Title (en)
DEVICE FOR EMITTING AN ACOUSTIC WAVE
Title (de)
VORRICHTUNG ZUM AUSSENDEN VON SCHALLWELLEN
Title (fr)
DISPOSITIF D'EMISSION D'UNE ONDE ACOUSTIQUE
Publication
Application
Priority
- FR 1153405 A 20110420
- FR 2012050824 W 20120413
Abstract (en)
[origin: WO2012143657A1] A device for emitting an acoustic wave comprises a flared structural piece (2) bearing at its base an electromechanical transducer (3) and defining at its flared end an output surface (S). A mechano-acoustic coupler (4) made of one piece is a solid piece and exhibits: - a first portion (41) for mounting on the transducer, - a second portion (42) extending from the first portion up to the level of the output surface, the coupler being suspended on the structural piece at the level of the second portion and the second portion having a cross-sectional area at the level of the output surface which is strictly greater than its cross-sectional area at the level of the first portion, and, - a third portion (43) extending from the second portion, where the third portion has a cross-sectional area which is smaller than the output surface, the third portion comprising a cross-section of greater area than the output surface.
IPC 8 full level
H04R 1/40 (2006.01); H04R 7/02 (2006.01); H04R 7/10 (2006.01); H04R 7/12 (2006.01); H04R 7/16 (2006.01); H04R 9/04 (2006.01)
CPC (source: EP US)
H04R 1/403 (2013.01 - EP US); H04R 7/02 (2013.01 - EP US); H04R 7/10 (2013.01 - EP US); H04R 7/125 (2013.01 - EP US); H04R 7/16 (2013.01 - EP US); H04R 9/046 (2013.01 - EP US); H04R 2201/401 (2013.01 - EP US)
Citation (search report)
See references of WO 2012143657A1
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
DOCDB simple family (publication)
FR 2974476 A1 20121026; CN 103650530 A 20140319; EP 2700247 A1 20140226; EP 2700247 B1 20181031; JP 2014516497 A 20140710; JP 6014118 B2 20161025; US 2014037128 A1 20140206; US 9544693 B2 20170110; WO 2012143657 A1 20121026
DOCDB simple family (application)
FR 1153405 A 20110420; CN 201280019386 A 20120413; EP 12724668 A 20120413; FR 2012050824 W 20120413; JP 2014505698 A 20120413; US 201214112043 A 20120413