EP 0024044 B1 19840718 - SOUND ABSORBER, IN PARTICULAR FOR ANECHOIC CHAMBERS
Title (en)
SOUND ABSORBER, IN PARTICULAR FOR ANECHOIC CHAMBERS
Publication
Application
Priority
- DE 2932473 A 19790810
- DE 2938186 A 19790921
Abstract (en)
[origin: EP0024044A2] 1. Sound absorbing cladding, especially for anechoic chambers, having a plurality of adjacent, substantially wedge-shaped sound absorbers of sound absorbing material, characterized in that a) the base surface (3) of the sound absorber is spaced from the acoustically hard chamber wall, b) the sound absorber is provided with at least one recess (4) in the region of the base surface (3), the cross-section of which tapers towards the interior of the sound absorber, and c) the base surface (3) of the sound absorber is not acoustically tightly sealed.
IPC 1-7
IPC 8 full level
E04B 1/84 (2006.01); E04B 1/99 (2006.01); G10K 11/16 (2006.01)
CPC (source: EP)
E04B 1/84 (2013.01); G10K 11/16 (2013.01); E04B 2001/8419 (2013.01); E04B 2001/8461 (2013.01)
Designated contracting state (EPC)
AT BE CH DE FR GB IT LI LU NL SE
DOCDB simple family (publication)
EP 0024044 A2 19810218; EP 0024044 A3 19810715; EP 0024044 B1 19840718; DE 3068592 D1 19840823; DK 342180 A 19810211; ES 494138 A0 19810316; ES 8104068 A1 19810316
DOCDB simple family (application)
EP 80104689 A 19800808; DE 3068592 T 19800808; DK 342180 A 19800808; ES 494138 A 19800808