Frequency-tunable resonator

Details Frequency-tunable resonator Frequency-tunable resonator

2006-08-29

2006-08-29

Schulburg, Darren (Department: 2834)

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

C310S363000, C310S364000, C310S365000, C310S334000

Reexamination Certificate

active

07098573

ABSTRACT:
A frequency-tunable resonator comprises a basic element having at least one piezoelectric layer and at least one semiconducting layer. The electrodes, formed on main surface situated opposite one another of the basic element, are loaded with an external voltage, whereby the resonant frequency of the basic element or of the resonator can be in dependence on the voltage.

REFERENCES:
patent: 4719383 (1988-01-01), Wang et al.
patent: 5248564 (1993-09-01), Ramesh
patent: 5801476 (1998-09-01), Sturzebecher et al.
patent: 6410162 (2002-06-01), White et al.
patent: 6987029 (2006-01-01), Niki et al.
patent: 2002/0000034 (2002-01-01), Jenson
Patent Abstracts of Japanfor Japanese Publication No. 58 095221 of Jun. 6, 1983.

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