EP 0647372 B1 19990526 - CONTROL SYSTEM USING HARMONIC FILTERS
Title (en)
CONTROL SYSTEM USING HARMONIC FILTERS
Title (de)
STEUERUNGSSYSTEM MIT HARMONISCHEN FILTERN
Title (fr)
SYSTEME DE COMMANDE UTILISANT DES FILTRES HARMONIQUES
Publication
Application
Priority
US 9205228 W 19920625
Abstract (en)
[origin: WO9400911A1] A harmonic filter for active or adaptive noise attenuation control systems for obtaining the complex amplitude of a single harmonic component from a signal which contains one or more harmonic components.
IPC 1-7
IPC 8 full level
G10K 11/178 (2006.01); H03B 1/04 (2006.01); H04B 1/10 (2006.01)
CPC (source: EP US)
G10K 11/17823 (2017.12 - EP US); G10K 11/17853 (2017.12 - EP US); G10K 11/17854 (2017.12 - EP US); G10K 11/17883 (2017.12 - EP US); G10K 2210/121 (2013.01 - EP); G10K 2210/3028 (2013.01 - EP); G10K 2210/3032 (2013.01 - EP); G10K 2210/3051 (2013.01 - EP); G10K 2210/512 (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 9400911 A1 19940106; CA 2138552 A1 19940106; CA 2138552 C 19980707; DE 69229282 D1 19990701; DE 69229282 T2 20000224; DK 0647372 T3 19991206; EP 0647372 A1 19950412; EP 0647372 A4 19960207; EP 0647372 B1 19990526
DOCDB simple family (application)
US 9205228 W 19920625; CA 2138552 A 19920625; DE 69229282 T 19920625; DK 92914435 T 19920625; EP 92914435 A 19920625