EP 0615648 A1 19940921 - ACTIVE NOISE CONTROL OF AN ENCLOSURE WITH MULTIPLE TRANSDUCERS.
Title (en)
ACTIVE NOISE CONTROL OF AN ENCLOSURE WITH MULTIPLE TRANSDUCERS.
Title (de)
AKTIVE RAUSCHSTEUERUNG EINES RAUMES MIT HILFE EINER VIELZAHL VON WANDLERN.
Title (fr)
SYSTEME DE REDUCTION ACTIF DU BRUIT PROVENANT D'UN BOITIER POURVU DE PLUSIEURS TRANSDUCTEURS.
Publication
Application
Priority
US 9108772 W 19911202
Abstract (en)
[origin: WO9311529A1] An active noise (''NOISE SOURCE'') control system for an enclosure having at least two transducers (''SECOND SOURCES'') and multiple channels in which there is interaction between the channels provides for attenuation of the desired regions within the enclosure.
Abstract (fr)
L'invention concerne un système de réduction actif du bruit ("source de bruit") destiné à un boîtier pourvu d'au moins deux transducteurs ("sources secondaires") et de canaux multiples entre lesquels se produit une interaction. Ledit système permet d'atténuer le bruit des régions désirées à l'intérieur du boîtier.
IPC 1-7
IPC 8 full level
G10K 11/16 (2006.01); G10K 11/178 (2006.01)
CPC (source: EP US)
G10K 11/17833 (2017.12 - EP US); G10K 11/17857 (2017.12 - EP US); G10K 11/17861 (2017.12 - EP US); G10K 11/17879 (2017.12 - EP US); G10K 2210/1054 (2013.01 - EP); G10K 2210/106 (2013.01 - EP); G10K 2210/3216 (2013.01 - EP)
Designated contracting state (EPC)
AT BE CH DE DK ES FR GB GR IT LI LU MC NL SE
DOCDB simple family (publication)
WO 9311529 A1 19930610; AT E179273 T1 19990515; CA 2124183 A1 19930610; CA 2124183 C 19960827; DE 69131170 D1 19990527; DE 69131170 T2 19991118; DK 0615648 T3 19991101; EP 0615648 A1 19940921; EP 0615648 A4 19950419; EP 0615648 B1 19990421; JP H07504991 A 19950601
DOCDB simple family (application)
US 9108772 W 19911202; AT 92905531 T 19911202; CA 2124183 A 19911202; DE 69131170 T 19911202; DK 92905531 T 19911202; EP 92905531 A 19911202; JP 50521192 A 19911202