Piezoelectric speaker

Details Piezoelectric speaker Piezoelectric speaker

2007-04-18

2011-11-08

Dougherty, Thomas (Department: 2837)

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

C310S328000, C310S348000, C310S349000

Reexamination Certificate

active

08053954

ABSTRACT:
A piezoelectric speaker includes a cabinet, piezoelectric vibrators horizontally mounted inside the cabinet at different elevations each having two eyed lugs respectively coupled to respective posts in the cabinet, a shock absorber coupled to the piezoelectric material of the piezoelectric vibrators, two conducting terminals accommodated inside the cabinet and clamped on the piezoelectric vibrators, and two clamps fastened to the conducting terminals to secure a respective signal line.

REFERENCES:
patent: 2203332 (1940-06-01), Kinsley
patent: 07-274299 (1995-10-01), None

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