The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jul. 05, 2005

Filed:

Apr. 28, 2004
Applicants:

Chin-wen Chou, Hsin Tien, TW;

Eddie Cheng, Hsin Tien, TW;

Kuang-ming Wu, Hsin Tien, TW;

Inventors:

Chin-Wen Chou, Hsin Tien, TW;

Eddie Cheng, Hsin Tien, TW;

Kuang-Ming Wu, Hsin Tien, TW;

Assignee:

Zippy Technology Corp., Hsin Tien, TW;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L041/04 ;
U.S. Cl.
CPC ...
Abstract

A piezoelectric transformation driving apparatus to drive a plurality of high voltage systems through a low voltage system includes a control unit and a driving unit to output first driving signals of the same phase and same frequency to drive a transformation unit, a plurality of piezoelectric units and loads. A ceramic transformer level driving circuit may be included to drive the transformation unit, the piezoelectric units and loads through a voltage floating level so that a medium voltage system may be controlled by a low voltage level.


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