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Patent Searching and Data


Title:
ELECTROSTATIC ELECTROACOUSTICAL TRANSDUCER
Document Type and Number:
WIPO Patent Application WO2002017677
Kind Code:
A3
Abstract:
The invention refers to an electrostatic electroacoustical transducer (1) comprising: an electrically conductive fixed electrode plate (5), having an active surface (8) with recesses (7); a conductive or semiconductive flexible diaphragm (9) disposed in a distance to the active surface (8) of the electrode plate (5) and within the recesses (7); and insulating means (10) disposed between the electrode plate (5) and the diaphragm (9).

Inventors:
STOFFEL AXEL (DE)
SKVOR ZDENEK (CZ)
Application Number:
EP0109766W
Publication Date:
September 26, 2002
Filing Date:
August 23, 2001
Export Citation:
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Assignee:
FACHHOCHSCHULE FURTWANGEN
STOFFEL, AXEL
SKVOR, ZDENEK
International Classes:
G01L9/00; G01N27/22; H04R19/00; H04R19/02; H04R19/04; H04R31/00; (IPC1-7): H04R19/00
Domestic Patent References:
WO2000001194A22000-01-06
Foreign References:
US4006317A1977-02-01
DE19900969A11999-08-19
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