Piezoelectric transformer with an improved armor case

Details Piezoelectric transformer with an improved armor case Piezoelectric transformer with an improved armor case

1998-01-28

2000-04-25

Dougherty, Thomas M.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310352, H03H 902

Patent

active

060547987

ABSTRACT:
A piezoelectric transformer includes a molded package having first and second inner walls facing each other, a plurality of pairs of projections provided on the first and second inner walls, and a piezoelectric transformer element mechanically supported by the projections so that the piezoelectric transformer element is accommodated in an internal space defined by inner walls of the molded package but separated from the inner walls of the molded package. As a result, the thickness of the package can be reduced.

REFERENCES:
patent: 3619672 (1971-11-01), Nagata et al.
patent: 4267480 (1981-05-01), Kanematsu et al.
patent: 4583017 (1986-04-01), Nakamura et al.
patent: 4695756 (1987-09-01), Tanaka
patent: 4779246 (1988-10-01), Dietzsch et al.
patent: 5203537 (1993-04-01), Jacobs et al.
patent: 5747916 (1998-05-01), Sugimoto et al.
patent: 5847491 (1998-12-01), Taihaku et al.

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