Global Patent Index - EP 1600034 A1

EP 1600034 A1 20051130 - LOUDSPEAKER BOX

Title (en)

LOUDSPEAKER BOX

Title (de)

LAUTSPRECHERBOX

Title (fr)

COMPARTIMENT POUR HAUT-PARLEUR

Publication

EP 1600034 A1 20051130 (DE)

Application

EP 04716575 A 20040303

Priority

  • EP 2004002117 W 20040303
  • DE 10309517 A 20030305

Abstract (en)

[origin: WO2004080115A1] The invention relates to a loudspeaker box (1) comprising housing walls (2a, 2b, 2c, 2d) forming a hollow body and at least one sound-radiating wall region (2a), wherefore an acoustically faithful reproduction is used, especially for the bass part. To this end, a plurality of electroacoustic transducers are provided, preferably electrodynamic loudspeakers (3, 4), which are arranged in the housing (2) in the sound-radiating wall region (2a). The housing (2) of the loudspeaker box (1) comprises at least two check valves (5a, 5b), one of which (5b) opening as an outlet during a pressure increase in the hollow body, and the other (5a) opening as an inlet during a pressure decrease in the hollow body.

IPC 1-7

H04R 1/28

IPC 8 full level

H04R 1/02 (2006.01)

CPC (source: EP)

H04R 1/02 (2013.01)

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR

DOCDB simple family (publication)

WO 2004080115 A1 20040916; AT E436156 T1 20090715; DE 10309517 A1 20041007; DE 10309517 B4 20060413; DE 502004009718 D1 20090820; DK 1600034 T3 20091005; EP 1600034 A1 20051130; EP 1600034 B1 20090708; ES 2328692 T3 20091117

DOCDB simple family (application)

EP 2004002117 W 20040303; AT 04716575 T 20040303; DE 10309517 A 20030305; DE 502004009718 T 20040303; DK 04716575 T 20040303; EP 04716575 A 20040303; ES 04716575 T 20040303