EP 4200165 A1 20230628 - SUBWOOFER
Title (en)
SUBWOOFER
Title (de)
SUBWOOFER
Title (fr)
CAISSON DE BASSE
Publication
Application
Priority
- FR 2008545 A 20200818
- EP 2021068474 W 20210705
Abstract (en)
[origin: WO2022037837A1] The invention relates to a low frequency subwoofer, characterized in that said subwoofer comprises at least two loudspeakers and a vent, in particular of laminar type, said subwoofer having at least two vent inlet mouths and a vent outlet mouth.
IPC 8 full level
B60R 11/02 (2006.01); B60R 11/00 (2006.01); H04R 1/22 (2006.01); H04R 1/28 (2006.01)
CPC (source: EP)
B60R 11/0217 (2013.01); H04R 1/2826 (2013.01); B60R 2011/0007 (2013.01); H04R 2499/13 (2013.01)
Citation (examination)
- US 2008101645 A1 20080501 - ROSEN MICHAEL D [US]
- EP 3251379 B1 20200415 - HARMAN INT IND [US]
- US 2015027803 A1 20150129 - BOYCE DEAN A [US]
- See also references of WO 2022037837A1
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
Designated extension state (EPC)
BA ME
Designated validation state (EPC)
KH MA MD TN
DOCDB simple family (publication)
WO 2022037837 A1 20220224; EP 4200165 A1 20230628; FR 3113475 A1 20220225; FR 3113475 B1 20221104
DOCDB simple family (application)
EP 2021068474 W 20210705; EP 21739370 A 20210705; FR 2008545 A 20200818