EP 1032932 A1 20000906 - ACTIVE SOUNDPROOFING METHOD AND DEVICE
Title (en)
ACTIVE SOUNDPROOFING METHOD AND DEVICE
Title (de)
VERFAHREN UND VORRICHTUNG ZUR AKTIVEN SCHALLDÄMMUNG
Title (fr)
PROCEDE ET DISPOSITIF D'INSONORISATION ACTIVE
Publication
Application
Priority
- FR 9802468 W 19981119
- FR 9714653 A 19971121
Abstract (en)
[origin: FR2771541A1] The noise outputs are acquired near to the noise and passed across by an RF link, thus giving more time for processing. The reference signal then counteracts the time delay.
IPC 1-7
IPC 8 full level
G10K 11/178 (2006.01); H04B 1/10 (2006.01); H04N 5/44 (2006.01)
CPC (source: EP US)
G10K 11/17817 (2017.12 - EP US); G10K 11/17825 (2017.12 - EP US); G10K 11/17854 (2017.12 - EP US); G10K 11/17879 (2017.12 - EP US); G10K 2210/10 (2013.01 - EP); G10K 2210/12 (2013.01 - EP); G10K 2210/3053 (2013.01 - EP)
Citation (search report)
See references of WO 9927520A1
Designated contracting state (EPC)
DE ES FR GB IT
DOCDB simple family (publication)
FR 2771541 A1 19990528; FR 2771541 B1 20001020; AU 1244699 A 19990615; EP 1032932 A1 20000906; JP 2001524701 A 20011204; WO 9927520 A1 19990603
DOCDB simple family (application)
FR 9714653 A 19971121; AU 1244699 A 19981119; EP 98955694 A 19981119; FR 9802468 W 19981119; JP 2000522581 A 19981119