Global Patent Index - EP 0615398 B1

EP 0615398 B1 19980513 - Electroacoustic transducer having a mask

Title (en)

Electroacoustic transducer having a mask

Title (de)

Elektroakustischer Wandler mit einer Maske

Title (fr)

Transconducteur électroacoustique avec un masque

Publication

EP 0615398 B1 19980513 (DE)

Application

EP 94200416 A 19940218

Priority

AT 36793 A 19930226

Abstract (en)

[origin: EP0615398A1] In electroacoustic transducer (1) having a diaphragm (5), with a partition wall (24), located behind the diaphragm (5), in which wall openings (25, 26, 27, 28 and 29, 30, 31, 32) passing through the partition wall are provided, and with a mask (37) resting against the partition wall, in which mask openings (38, 39, 40, 41) are provided which can be brought to coincide with different wall openings (25, 26, 27, 28 and 29, 30, 31, 32) in different relative positions between partition wall (24) and mask (37), the mask is formed in a simple manner by a flange (37) of a magnet system part (19) of the magnet system (16) of the transducer (1). <IMAGE>

IPC 1-7

H04R 9/00; H04R 9/06

IPC 8 full level

H04R 9/02 (2006.01); H04R 9/06 (2006.01)

CPC (source: EP US)

H04R 9/06 (2013.01 - EP US); H04R 9/025 (2013.01 - EP US)

Designated contracting state (EPC)

DE DK FR GB

DOCDB simple family (publication)

EP 0615398 A1 19940914; EP 0615398 B1 19980513; AT 398354 B 19941125; AT A36793 A 19940315; DE 59405929 D1 19980618; JP 3194664 B2 20010730; JP H06269088 A 19940922; MY 109825 A 19970830; SG 43981 A1 19971114; US 5524151 A 19960604

DOCDB simple family (application)

EP 94200416 A 19940218; AT 36793 A 19930226; DE 59405929 T 19940218; JP 2549494 A 19940223; MY PI19932574 A 19931203; SG 1996008490 A 19940218; US 42266695 A 19950410