Electrical generator or motor structure – Non-dynamoelectric – Piezoelectric elements and devices
Patent
1983-03-21
1984-06-12
Budd, Mark O.
Electrical generator or motor structure
Non-dynamoelectric
Piezoelectric elements and devices
310360, 310367, 310368, 310369, 310354, H01L 4108
Patent
active
044544430
ABSTRACT:
An arrangement is disclosed for piezoelectric resonators utilizing linear and parallel sides or flats located on the periphery and opposite ends of the resonator. These sides are located normal to the axes wherein collinear forces applied to the resonator produce a desired effect upon its natural resonant frequency. For mechanical sensor applications this effect is maximized while for applications requiring a stable frequency or time base this effect is minimized. The outline peripheral shape of the resonators utilizing this mounting arrangement varies in accordance with the crystallographic orientation present in each resonator.
REFERENCES:
patent: 2509478 (1950-05-01), Caroselli
patent: 3340410 (1967-09-01), Sanford
patent: 3483402 (1969-12-01), Royer
patent: 3891870 (1975-06-01), Corbett
patent: 4136297 (1979-01-01), Briese
patent: 4175243 (1979-11-01), Corbett
Force-Frequency and Other Effects in Doubly Rotated Vibrators by Ballato et l, ECOM-4536, 9/77.
Resonators for Acceleration Environments, by Lukaszek et al. DELET-TR-79-10, 6/79.
Ballato Arthur
Lukaszek Theodore J.
Budd Mark O.
Goldberg Edward
Lane Anthony T.
Murray Jeremiah G.
The United States of America as represented by the Secretary of
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