Title (en)

IMPROVEMENT TO A POWER AMPLIFIER/LOUDSPEAKER INTERFACE

Title (de)

VERBESSERUNG AN DER SCHNITTSTELLE LEISTUNGVERSTÄRKER-LAUTSPRECHERBOX

Title (fr)

PERFECTIONNEMENT A L'INTERFACE "AMPLIFICATEUR DE PUISSANCE-ENCEINTE ACOUSTIQUE"

Publication

EP 0732034 B1 19970903 (FR)

Application

EP 95902811 A 19941130

Priority

• FR 9401393 W 19941130
• FR 9314369 A 19931201

Abstract (en)

[origin: WO9515667A1] A method for supplying power to a hi-fi loudspeaker unit comprising a speaker (Hp) supplied via a conductor (LA) connected to a positive pole of an amplifier, and a conductor (LR) connected to a negative pole thereof, and at least one filter mounted in parallel. According to the method, the filter(s) (Z1, Z2, Z3) is (are) connected to the negative pole of the amplifier via a conductor (L1, L2, L3) which is separate from the conductor (LR) connecting the speaker (Hp) to said negative pole.

IPC 1-7

H04R 3/12; H04R 3/14

IPC 8 full level

H04R 3/12 (2006.01); H04R 3/14 (2006.01)

CPC (source: EP US)

H04R 3/12 (2013.01 - EP US); H04R 3/14 (2013.01 - EP US)

Designated contracting state (EPC)

DE ES FR GB IT

DOCDB simple family (publication)

WO 9515667 A1 19950608; DE 69405409 D1 19971009; DE 69405409 T2 19980312; EP 0732034 A1 19960918; EP 0732034 B1 19970903; FR 2713431 A1 19950609; FR 2713431 B1 19960216; US 5822441 A 19981013

DOCDB simple family (application)

FR 9401393 W 19941130; DE 69405409 T 19941130; EP 95902811 A 19941130; FR 9314369 A 19931201; US 65253896 A 19960603