Piezoelectric loudspeaker

Details Piezoelectric loudspeaker Piezoelectric loudspeaker

1998-03-26

2000-09-19

Kuntz, Curtis A.

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

Electrostrictive, magnetostrictive, or piezoelectric

381114, 381173, 310324, H04R 2500

Patent

active

061223875

ABSTRACT:
A piezoelectric loudspeaker has a membrane and at least two flexural piezoresonators, one end of which is fixed, while the other end acts mechanically upon the membrane. The membrane is a flat membrane or a conical membrane having an aperture angle smaller than 10.degree..

REFERENCES:
patent: 4580252 (1986-04-01), Mallet
patent: 4978880 (1990-12-01), Causse et al.
patent: 4990816 (1991-02-01), Causse et al.
patent: 5652801 (1997-07-01), Paddock
Brock Haus "Haturwissenschaften und Technik" Dritter Band IO-NG, p., 159.

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