Piezoelectric overtone resonator with at least a convex surface

Electrical generator or motor structure – Non-dynamoelectric – Piezoelectric elements and devices

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310369, H01L 4110

Patent

active

041885570

ABSTRACT:
In the use of a resonator as an overtone crystal of an aperiodic oscillator circuit without additional selection means, by dimensioning of the resonator itself and its electrodes, suppression particularly of the fifth harmonic during operation of the resonator with the third harmonic is improved by means of special resonator dimensions.

REFERENCES:
patent: 3979614 (1976-09-01), Toyoda
patent: 4114062 (1978-09-01), Mattuschka
patent: 4124809 (1978-11-01), Engdahl et al.

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