Global Patent Index - EP 0794686 B1

EP 0794686 B1 20061004 - Microphone with associated amplifier

Title (en)

Microphone with associated amplifier

Title (de)

Mikrofon mit zugeordnetem Verstärker

Title (fr)

Microphone avec amplificateur associé

Publication

EP 0794686 B1 20061004 (DE)

Application

EP 97250020 A 19970202

Priority

DE 19606261 A 19960206

Abstract (en)

[origin: EP0794686A2] A cable (11) interconnects the digital circuits of the microphone and its associated amplifier, the microphone digital circuit comprises a sound converter (1), two pre-amplifiers (V1,2), and two A/D converters (6) for a two-channel digital audio format. The two pre-amplifiers are coupled to the sound converter output and are linked each to one A/D converter, connected to a digital driver stage. The associated amplifier has a receiver and a signal processor, which generates a single-channel signal from the digital two-channel audio format, with the signal used for computing amplifying and filtering for the microphone.

IPC 8 full level

H04R 1/04 (2006.01); H04R 3/00 (2006.01)

CPC (source: EP US)

H04R 3/00 (2013.01 - EP US)

Designated contracting state (EPC)

AT CH DK FR GB LI

DOCDB simple family (publication)

US 6028946 A 20000222; AT E341920 T1 20061015; DE 19606261 A1 19970814; DE 19606261 C2 19980409; DK 0794686 T3 20070205; EP 0794686 A2 19970910; EP 0794686 A3 20020925; EP 0794686 B1 20061004

DOCDB simple family (application)

US 62997996 A 19960409; AT 97250020 T 19970202; DE 19606261 A 19960206; DK 97250020 T 19970202; EP 97250020 A 19970202