Laminated piezoelectric transformer

Details Laminated piezoelectric transformer Laminated piezoelectric transformer

2006-07-11

2006-07-11

Schuberg, Darren (Department: 2834)

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

C310S357000, C310S358000

Reexamination Certificate

active

07075217

ABSTRACT:
A laminated piezoelectric transformer is provided using the longitudinal vibration modes for step-up voltage conversion applications. The input portions are polarized to deform in a longitudinal plane and are bonded to an output portion. The deformation of the input portions is mechanically coupled to the output portion, which deforms in the same longitudinal direction relative to the input portion. The output portion is polarized in the thickness direction relative its electrodes, and piezoelectrically generates a stepped-up output voltage.

REFERENCES:
patent: 6037706 (2000-03-01), Inoi et al.
patent: 6326718 (2001-12-01), Boyd

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