Electrical generator or motor structure – Non-dynamoelectric – Piezoelectric elements and devices
Patent
1991-09-23
1993-02-23
Budd, Mark O.
Electrical generator or motor structure
Non-dynamoelectric
Piezoelectric elements and devices
310313D, 364821, 333152, 333153, 333154, 333195, H01L 4108
Patent
active
051893304
ABSTRACT:
An SAW convolver is disclosed, in which a pair of input transducer means disposed at the left and right end portions on a piezoelectric substrate having a velocity dispersion consists of a plurality of pairs of input transducers and the distance between different pairs of input transducers differs from each other so as to compensate the velocity dispersion.
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"Broadband, Amplitude & Phase-Compensating Transducers for Monolithic Convolvers " by M. Smith of Hughes Aircraft Company Conference: 1980 Ultrasonics Symposium Proceedings Boston, Mass. USA, Nov. 5-7, 1980.
Budd Mark O.
Clarion Co. Ltd.
Dougherty Thomas M.
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