Electrical generator or motor structure – Non-dynamoelectric – Piezoelectric elements and devices
Patent
1979-09-26
1982-02-23
Budd, Mark O.
Electrical generator or motor structure
Non-dynamoelectric
Piezoelectric elements and devices
310350, 310342, 310363, 310366, 310369, 310346, H01L 4108
Patent
active
043170595
ABSTRACT:
A piezoelectric bi-resonator with electrodes not adhering to the crystal, comprising at least first and second plates in dielectric material on which plates are deposited respectively first and second electrodes, a third plate in dielectric material having faces opposed to the first and second plates respectively, on which faces are respectively deposited third and fourth electrodes, connected together, and a piezoelectric body constituted by two piezoelectric chips made of quartz, independent and similar, one of which is interposed between the said first and third electrodes, without contact therewith, and the other is interposed between the second and fourth electrodes without contact therewith, the said piezoelectric quartz chips being arranged so that their axes Y' are opposite.
REFERENCES:
patent: 2210045 (1940-08-01), Schneider
patent: 2232277 (1941-02-01), Schneider
patent: 2293485 (1942-08-01), Baldwin
patent: 2321358 (1943-06-01), Bokovoy
patent: 3431392 (1969-03-01), Garland
patent: 4135108 (1979-01-01), Besson
patent: 4219754 (1980-08-01), Hoshi et al.
Budd Mark O.
Etat Francais
Nilles James E.
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