Electro-acoustic transducer

Details Electro-acoustic transducer Electro-acoustic transducer

1989-08-03

1991-07-09

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310345, 381190, H01L 4108

Patent

active

050308726

ABSTRACT:
An electro-acoustic transducer having a circular transducer plate arranged in a transducer housing, clamped between two mounting members at its edge region, is provided with a piezoelectric layer. At least one seating region of the mounting member is of a rotationally asymmetrical shape to attenuate partial oscillations of a higher order. The electro-acoustic transducer is usable as a transducer for telephones.

REFERENCES:
patent: 3708702 (1973-01-01), Brunnert et al.
patent: 3872470 (1975-03-01), Hoerz et al.
patent: 4295009 (1981-10-01), Weidler
patent: 4302695 (1981-11-01), Boyles et al.
patent: 4429247 (1984-01-01), Feldman
patent: 4779246 (1988-10-01), Dietzsch et al.
Martin et al., "Fernsprech-Piezomikrofon Ts71", 1972, pp. 207-209 Siemens-Zeitschrift.

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