Acoustic transducer with improved electrode spacing

Details Acoustic transducer with improved electrode spacing Acoustic transducer with improved electrode spacing

1990-02-16

1991-10-15

Steinberger, Brian S.

Communications, electrical: acoustic wave systems and devices

Signal transducers

Receivers

367170, 381191, H04R 1900

Patent

active

RE0337188

ABSTRACT:
An acoustic transducer with an improved electret assembly mounting for providing spacings between the fixed and movable electrodes, and having as one feature the lowering of the undesired capacitance therebetween.

REFERENCES:
patent: 2425481 (1947-08-01), Morse
patent: 3588382 (1971-06-01), Reedyk
patent: 4063050 (1977-12-01), Carlson et al.
patent: 4234811 (1980-11-01), Hishida et al.
patent: 4310906 (1982-01-01), Cantrell, Jr. et al.
patent: 4321432 (1982-03-01), Matsutani et al.
patent: 4730283 (1988-03-01), Carlson et al.

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