Global patent index - EP 1039777 A2

EP 1039777 A2 2000-09-27 - Small microphone

Title (en)

Small microphone

Title (de)

Klein-Mikrophon

Title (fr)

Microphone de petite taille

Publication

EP 1039777 A2 (DE)

Application

EP 00890091 A

Priority

AT 54599 A

Abstract (en)

A small microphone (1) which can be worn on clothing or on the body comprises a base plate (2) and a top plate (9), and an intermediate mantle (3) with an opening which is covered by a membrane (3'). The microphone has an inner hollow chamber (7) connected to an equalization chamber (8) via a high acoustic impedance component. The equalization chamber is sealed by a loose membrane (6).

Abstract (de)

Die Erfindung betrifft ein Klein-Mikrophon (1), das an der Kleidung oder direkt am Körper, beispielsweise im Haar, getragen wird, mit einer Stirnplatte (9) und einer Bodenplatte (2) und einem dazwischen angeordneten Mantel (3) mit zumindest einer Öffnung, die von jeweils einer Membran (3',3") abgedeckt wird, wodurch im Inneren des Mikrophons ein innerer Hohlraum (7) geschaffen wird. Die Erfindung ist dadurch gekennzeichnet, daß der innere Hohlraum (7) mittels eines Bauteiles hoher akustischer Impedanz mit einem Ausgleichshohlraum (8) verbunden ist, der gegenüber der Umgebung (11) durch eine schlappe Membran (6) feuchtigkeitsdicht abgeschlossen ist. Der Bauteil hoher akustischer Impedanz ist bevorzugt ein dünnes Röhrchen.

IPC 1-7 (main, further and additional classification)

H04R 1/08

IPC 8 full level (invention and additional information)

H04R 9/08 (2006.01); H04R 1/00 (2006.01); H04R 1/02 (2006.01); H04R 1/08 (2006.01)

CPC (invention and additional information)

H04R 1/08 (2013.01); H04R 2201/023 (2013.01)

Designated contracting state (EPC)

AT DE FR GB IT

EPO simple patent family

EP 1039777 A2 20000927; EP 1039777 A3 20070502; EP 1039777 B1 20101124; AT 407322 B 20010226; AT 489814 T 20101215; AT A54599 A 20000615; DE 50016034 D1 20110105; JP 2000287288 A 20001013; JP 4154108 B2 20080924; US 6351543 B1 20020226

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