EP 2001261 A1 20081210 - Loudspeaker horn
Title (en)
Loudspeaker horn
Title (de)
Lautsprecherhorn
Title (fr)
Haut-parleur à pavillon
Publication
Application
Priority
GB 0711006 A 20070607
Abstract (en)
A horn for a loudspeaker comprising an entrance, an output, a first passage junction that divides acoustic energy received at the entrance into at least first and second passages and a second passage junction that divides one of said first and second passages into at least third and fourth passages, in which the passages derived from the entrance open into the output.
IPC 8 full level
H04R 1/34 (2006.01)
CPC (source: EP GB)
G10K 11/02 (2013.01 - GB); H04R 1/30 (2013.01 - EP GB); H04R 1/345 (2013.01 - GB); H04R 1/345 (2013.01 - EP); H04R 1/403 (2013.01 - EP); H04R 31/00 (2013.01 - EP)
Citation (search report)
- [X] US 2007080019 A1 20070412 - KUBOTA HIROSHI [JP]
- [X] GB 297151 A 19280917 - BELL TELEPHONE LABOR INC
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR
Designated extension state (EPC)
AL BA MK RS
DOCDB simple family (publication)
EP 2001261 A1 20081210; GB 0711006 D0 20070718; GB 2449913 A 20081210
DOCDB simple family (application)
EP 08251943 A 20080604; GB 0711006 A 20070607