Electrical generator or motor structure – Non-dynamoelectric – Piezoelectric elements and devices
Patent
1980-01-17
1981-09-01
Budd, Mark O.
Electrical generator or motor structure
Non-dynamoelectric
Piezoelectric elements and devices
310353, H01L 4108
Patent
active
042874475
ABSTRACT:
A crystal holder is provided which is capable of supporting any one of a plurality of piezoelectric crystals having different preselected diameters. The crystal holder includes two side portions, each portion having a stair step-like structure, the stair steps of one side portion leading upwardly and away from the stair steps of the remaining side portion. Each step of one side portion is respectively horizontally aligned with a corresponding step of the remaining side portion such that each step pair thus formed has a different distance therebetween and is thus capable of accepting for mounting one of a plurality of piezoelectric crystals having preselected diameters corresponding to the distances between the steps of the step pairs.
REFERENCES:
patent: 1933601 (1933-11-01), Scheibell
patent: 2409607 (1946-10-01), Bach
patent: 2409838 (1946-10-01), Cress
patent: 2412438 (1946-12-01), Bach
patent: 3980911 (1976-09-01), English
patent: 4079284 (1978-03-01), Fanshawe
Luff Marlin
Skoda William G.
Budd Mark O.
Gillman James
Kahler Mark P.
Motorola Inc.
Roney Edward M.
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