EP 2875506 B1 20211110 - A SOUND ABSORBING MEANS CONTAINING AT LEAST ONE CAVITY RESONATOR
Title (en)
A SOUND ABSORBING MEANS CONTAINING AT LEAST ONE CAVITY RESONATOR
Title (de)
SCHALLDÄMPFENDE VORRICHTUNG MIT MINDESTENS EINEM HOHLRAUMRESONATOR
Title (fr)
MOYENS D'ABSORPTION PHONIQUE CONTENANT AU MOINS UN RÉSONATEUR À CAVITÉ
Publication
Application
Priority
- CZ 201335 A 20130118
- CZ 2014000008 W 20140116
Abstract (en)
[origin: WO2014111068A2] The invention relates to a sound absorbing means containing at least one cavity resonator, on whose at least one surface is fixedly attached a resonant membrane (5), which overlaps an orifice /orifices (41) leading into the cavity/cavities (1 ) of the cavity resonator.
IPC 8 full level
G10K 11/172 (2006.01)
CPC (source: EP)
G10K 11/172 (2013.01)
Citation (examination)
- WO 2011047429 A1 20110428 - BELLMAX ACOUSTIC PTY LTD [AU], et al
- WO 2006108363 A2 20061019 - ELMARCO SRO [CZ], et al
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)
WO 2014111068 A2 20140724; WO 2014111068 A3 20141127; CZ 201335 A3 20140820; CZ 304657 B6 20140820; EP 2875506 A2 20150527; EP 2875506 B1 20211110
DOCDB simple family (application)
CZ 2014000008 W 20140116; CZ 201335 A 20130118; EP 14705963 A 20140116