Piezoelectric/fluid pressure transducer apparatus

Details Piezoelectric/fluid pressure transducer apparatus Piezoelectric/fluid pressure transducer apparatus

1987-03-12

1988-11-22

Jordan, Charles T.

Communications, electrical: acoustic wave systems and devices

Signal transducers

25112906, 60370, 60381, H04R 2300

Patent

active

047870710

ABSTRACT:
A flat, elongate, laminated plate of ceramic piezoelectric material is fixedly mounted on one end to permit movement of the other end responsive to the application of a variable electronic control signal to electrodes on the outer surfaces of the laminated plate. The movement and force applied by the movable end of the plate controls the release of air pressure from the pressure chamber so that the pressure in the chamber varies in response to the variations of the electronic control signal.

REFERENCES:
patent: 3414010 (1968-12-01), Sparrow
patent: 4340083 (1982-07-01), Cummins
patent: 4492360 (1985-01-01), Lee, II et al.
patent: 4616477 (1986-10-01), Baumeler
patent: 4617952 (1986-10-01), Fujiwara et al.
patent: 4644748 (1987-02-01), Goss et al.
patent: 4690465 (1987-09-01), Takeda et al.
Pp. 1-18 of booklet from Vernitron Piezoelectric Division, Entitled "Piezoelectric Technology Data for Designers".

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