Electrical generator or motor structure – Non-dynamoelectric – Piezoelectric elements and devices
Patent
1981-05-27
1983-11-15
Budd, Mark O.
Electrical generator or motor structure
Non-dynamoelectric
Piezoelectric elements and devices
310366, H01L 4108
Patent
active
044158270
ABSTRACT:
An improved piezoelectric tuning fork (12) is disclosed in which the electrodes which drive the tuning fork (30, 32, 34; 36, 38, 40; 42, 48, 50; 52, 54, 56; 58, 60, 62; 64, 66, 68) are positioned along the tines (16, 18) so as to optimize operation at the second overtone frequency.
REFERENCES:
patent: 4173726 (1979-11-01), Hanji
Budd Mark O.
Statek Corporation
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