Electrical generator or motor structure – Non-dynamoelectric – Piezoelectric elements and devices
Patent
1997-08-20
1999-08-31
Dougherty, Thomas M.
Electrical generator or motor structure
Non-dynamoelectric
Piezoelectric elements and devices
310334, 310367, 310366, H01L 4108
Patent
active
059457708
ABSTRACT:
A three crystal ultrasound transducer in which each crystal has a thickness that is measured in the z-range direction that varies as a function of its position along the x-elevation direction. The impedance of the transducer is reduced compared with uniform thickness transducers thereby providing a better electrical match between the ultrasound transducer and the ultrasound system to which it is coupled.
REFERENCES:
patent: 4096756 (1978-06-01), Alphonse
patent: 4276491 (1981-06-01), Daniel
patent: 4354132 (1982-10-01), Borburgh et al.
patent: 4356422 (1982-10-01), van Maanen
patent: 4477783 (1984-10-01), Glenn
patent: 4485321 (1984-11-01), Klicker et al.
patent: 4712037 (1987-12-01), Verbeek et al.
patent: 5291090 (1994-03-01), Dias
patent: 5381067 (1995-01-01), Greenstein et al.
patent: 5381385 (1995-01-01), Greenstein
patent: 5389848 (1995-02-01), Trzaskos
patent: 5415175 (1995-05-01), Hanafy et al.
patent: 5438998 (1995-08-01), Hanafy
patent: 5548564 (1996-08-01), Smith
patent: 5598051 (1997-01-01), Frey
patent: 5608692 (1997-03-01), Toda
Acuson Corporation
Dougherty Thomas M.
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