EP 1125472 B1 20031217 - LOUDSPEAKERS COMPRISING A PHASE UNCORRELATED DIFFUSE SOUND SOURCE
Title (en)
LOUDSPEAKERS COMPRISING A PHASE UNCORRELATED DIFFUSE SOUND SOURCE
Title (de)
LAUTSPRECHER MIT PHASENUNKORRELIERTER DIFFUSER SCHALLQUELLE
Title (fr)
HAUT-PARLEURS COMPRENANT UNE SOURCE SONORE DE DIFFUSION A PHASE NON CORRELEE
Publication
Application
Priority
- GB 9903613 W 19991104
- GB 9824255 A 19981106
- GB 9914410 A 19990622
Abstract (en)
[origin: WO0028780A1] A loudspeaker comprising a phase uncorrelated diffuse sound source and a duct or wave guide coupled to the sound source to direct acoustic energy from the source, the duct or wave guide having a substantially parallel section extending from the vicinity of the sound source and a termination positioned remotely from the panel.
IPC 1-7
IPC 8 full level
H04R 1/30 (2006.01); H04R 1/32 (2006.01); H04R 7/04 (2006.01)
CPC (source: EP KR)
H04R 1/30 (2013.01 - EP KR); H04R 7/045 (2013.01 - EP)
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
DOCDB simple family (publication)
WO 0028780 A1 20000518; AT E256959 T1 20040115; AU 6480699 A 20000529; AU 746872 B2 20020502; BR 9915048 A 20010807; CA 2349856 A1 20000518; CN 1140158 C 20040225; CN 1324556 A 20011128; DE 69913726 D1 20040129; EP 1125472 A1 20010822; EP 1125472 B1 20031217; HK 1035987 A1 20011214; IL 142430 A0 20020310; JP 2002530031 A 20020910; KR 20010083946 A 20010903; NZ 510972 A 20020726; RU 2001115712 A 20030610; TW 462203 B 20011101
DOCDB simple family (application)
GB 9903613 W 19991104; AT 99952692 T 19991104; AU 6480699 A 19991104; BR 9915048 A 19991104; CA 2349856 A 19991104; CN 99812543 A 19991104; DE 69913726 T 19991104; EP 99952692 A 19991104; HK 01106541 A 20010915; IL 14243099 A 19991104; JP 2000581851 A 19991104; KR 20017005572 A 20010503; NZ 51097299 A 19991104; RU 2001115712 A 19991104; TW 88119775 A 19991111