EP 3716264 B1 20231018 - WALL FOR LOW FREQUENCY AND WIDE FREQUENCY BAND SOUND ATTENUATION OF SURFACE INCIDENT SOUND
Title (en)
WALL FOR LOW FREQUENCY AND WIDE FREQUENCY BAND SOUND ATTENUATION OF SURFACE INCIDENT SOUND
Title (de)
WAND ZUR TIEFFREQUENTEN UND BREIT-FREQUENZBANDIGEN MASSIVEN SCHALLDÄMPFUNG FLÄCHIG EINFALLENDEN SCHALLS
Title (fr)
MUR D'AMORTISSEMENT MASSIQUE DE SONS EN INCIDENCE SURFACIQUE DANS LES BASSES FRÉQUENCES ET SUR UNE LARGE BANDE FRÉQUENTIELLE
Publication
Application
Priority
DE 102019002157 A 20190326
IPC 8 full level
G10K 11/172 (2006.01); E04B 1/82 (2006.01); G10K 11/168 (2006.01)
CPC (source: EP)
E04B 1/86 (2013.01); G10K 11/168 (2013.01); G10K 11/172 (2013.01)
Citation (examination)
HAO-WEN DONG ET AL: "Systematic design and realization of double-negative acoustic metamaterials by topology optimization", ARXIV.ORG, CORNELL UNIVERSITY LIBRARY, 201 OLIN LIBRARY CORNELL UNIVERSITY ITHACA, NY 14853, 8 November 2018 (2018-11-08), XP081047567
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)
EP 3716264 A1 20200930; EP 3716264 B1 20231018; DE 102019002157 A1 20201001; DE 102019002157 B4 20230302
DOCDB simple family (application)
EP 20000124 A 20200323; DE 102019002157 A 20190326