Electrical generator or motor structure – Non-dynamoelectric – Piezoelectric elements and devices
Patent
1976-10-21
1978-03-07
Budd, Mark O.
Electrical generator or motor structure
Non-dynamoelectric
Piezoelectric elements and devices
310 26, 333 30R, 333 30M, H01L 4110, H01L 4114
Patent
active
040781860
ABSTRACT:
A surface acoustic wave device having a thin magnetostrictive film deposi on the surface between its input and output transducers. A variable D.C. field is applied to the film to vary its characteristics and thereby correspondingly continuously vary the delay or phase shift of the surface acoustic wave.
REFERENCES:
patent: 2834943 (1958-05-01), Grisdale et al.
patent: 2837668 (1958-06-01), Simpson
patent: 3212072 (1965-10-01), Fuller
patent: 3723915 (1973-03-01), Adler et al.
Davis Kenneth L.
Folen Vincent J.
Vittoria Carmine
Webb Denis C.
Budd Mark O.
Schneider Philip
Sciascia R. S.
The United States of America as represented by the Secretary of
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