Electrical generator or motor structure – Non-dynamoelectric – Piezoelectric elements and devices
Patent
1990-05-30
1992-04-14
Budd, Mark O.
Electrical generator or motor structure
Non-dynamoelectric
Piezoelectric elements and devices
310324, 310338, 310357, 310364, H01L 4108
Patent
active
051051168
ABSTRACT:
A piezoelectric transducer useful for example as a sound source or a strain detector includes a ferroelectric liquid crystal sealed between two baseplates with electrodes and alignment layers on the inner facing surfaces of the baseplates. One of the baseplates is thicker than the other, or is of a different material, so that the two baseplates have different flexural rigidity.
REFERENCES:
patent: 3761956 (1973-09-01), Takahashi et al.
patent: 3970879 (1976-07-01), Kumon
patent: 4869577 (1989-09-01), Masaki
patent: 4875378 (1989-10-01), Yamazaki et al.
Fujita Masanori
Okamoto Shinichi
Ono Hirokazu
Budd Mark O.
Seikosha Co. Ltd.
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