EP 0692922 A3 19970625 - Cabinet for bass-loudspeaker
Title (en)
Cabinet for bass-loudspeaker
Title (de)
Gehäuse für Basslautsprecher
Title (fr)
Enceinte acoustique pour haut-parleur basse-fréquence
Publication
Application
Priority
DE 4424995 A 19940715
Abstract (en)
[origin: EP0692922A2] The loudspeaker housing (1) is divided internally into a number of chambers (6.1,6.2,7.1,7.2), provided as closed sound chambers (6.1,6.2) or as vented sound chambers (7.1,7.2) with tuned sound exit channels (8.1,8.2), tuned to different frequencies, acting as acoustic resonators. A pair of bass loudspeakers (4.1,4.2) are fitted in openings (3) in the separation walls (2.1,2.2) between the chambers, with a sound path between each loudspeaker and one of the sound exit channels. <IMAGE>
IPC 1-7
IPC 8 full level
CPC (source: EP)
H04R 1/02 (2013.01); H04R 1/2842 (2013.01)
Citation (search report)
- [A] EP 0532280 A2 19930317 - SONY CORP [JP]
- [A] US 4984653 A 19910115 - SPORS WOLFGANG [DE]
- [A] US 3892288 A 19750701 - KLAYMAN ARNOLD I, et al
- [A] PATENT ABSTRACTS OF JAPAN vol. 015, no. 102 (E - 1043) 12 March 1991 (1991-03-12)
Designated contracting state (EPC)
BE DE GB NL
DOCDB simple family (publication)
EP 0692922 A2 19960117; EP 0692922 A3 19970625; EP 0692922 B1 19980819; DE 4424995 A1 19960118; DE 59503239 D1 19980924
DOCDB simple family (application)
EP 95111048 A 19950714; DE 4424995 A 19940715; DE 59503239 T 19950714