EP 4029288 A1 20220720 - DEVICE FOR SOUND DIFFUSION WITH CONTROLLED BROADBAND DIRECTIVITY
Title (en)
DEVICE FOR SOUND DIFFUSION WITH CONTROLLED BROADBAND DIRECTIVITY
Title (de)
VORRICHTUNG ZUR SCHALLDIFFUSION MIT KONTROLLIERTER BREITBANDRICHTCHARAKTERISTIK
Title (fr)
DISPOSITIF DE DIFFUSION SONORE A DIRECTIVITE LARGE BANDE CONTROLEE
Publication
Application
Priority
- FR 1909890 A 20190909
- EP 2020074620 W 20200903
Abstract (en)
[origin: CA3150512A1] The invention relates to a loudspeaker enclosure comprising a plurality of acoustic sources and having controlled broadband directivity.
IPC 8 full level
H04R 1/02 (2006.01); H04R 1/28 (2006.01); H04R 1/34 (2006.01); H04R 1/40 (2006.01); H04R 3/12 (2006.01); H04R 27/00 (2006.01)
CPC (source: EP US)
H04R 1/02 (2013.01 - EP); H04R 1/025 (2013.01 - US); H04R 1/24 (2013.01 - US); H04R 1/2826 (2013.01 - US); H04R 1/345 (2013.01 - EP US); H04R 1/403 (2013.01 - EP); H04R 3/12 (2013.01 - US); H04R 1/2819 (2013.01 - EP); H04R 3/12 (2013.01 - EP); H04R 27/00 (2013.01 - EP)
Citation (search report)
See references of WO 2021047993A1
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
DOCDB simple family (publication)
FR 3100680 A1 20210312; FR 3100680 B1 20221104; CA 3150512 A1 20210318; CN 114651450 A 20220621; EP 4029288 A1 20220720; JP 3240188 U 20221214; US 2023053097 A1 20230216; WO 2021047993 A1 20210318
DOCDB simple family (application)
FR 1909890 A 20190909; CA 3150512 A 20200903; CN 202080077854 A 20200903; EP 2020074620 W 20200903; EP 20764127 A 20200903; JP 2022600036 U 20200903; US 202017753615 A 20200903