Electrical generator or motor structure – Non-dynamoelectric – Piezoelectric elements and devices
Patent
1984-11-27
1986-08-26
Budd, Mark O.
Electrical generator or motor structure
Non-dynamoelectric
Piezoelectric elements and devices
310352, 310354, 310364, 310365, 310344, H01L 4108
Patent
active
046085092
ABSTRACT:
A piezoelectric resonator utilizing the longitudinal vibration mode of piezoelectric ceramics. Exciting electrodes are formed on the lengthwise opposite end surface of the piezoelectric ceramic. Lengthwise extending surfaces of the piezoelectric ceramic are formed with insulating layers. A pair of take-out electrodes are provided which cover the insulating layers and which are connected to the exciting electrodes.
REFERENCES:
patent: 2443700 (1948-06-01), Sylvester et al.
patent: 3851193 (1974-11-01), Ritter
patent: 4339683 (1982-07-01), Scott et al.
Kitajima Houdo
Takahashi Hiroyuki
Yamamoto Takashi
Budd Mark O.
Kitajima Houdo
Takahashi Hiroyuki
Yamamoto Takashi
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