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.
Patent No.:
Date of Patent:
Feb. 13, 2001
Filed:
Apr. 28, 1999
Applicant:
Inventor:
Guenrikh Danov, Moskboe, RU;
Assignee:
Dong Il Technology Ltd., Kyunggi-do, KR;
Primary Examiner:
Int. Cl.
CPC ...
H01L 4/108 ;
U.S. Cl.
CPC ...
H01L 4/108 ;
Abstract
A piezoceramic converter for high power applications is built with a piezoceramic transformer and a pulse-synchronized electronic feedback circuit. The piezoceramic transformer is designed in the form of a square or circular piezo plate, polarized in thickness direction and excited in contour extensional mode in order to handle high power. A pulse-synchronized electronic feedback circuit is incorporated to stabilize output voltage and current under varying loading conditions. Frequency programming elements, a resistor and a capacitor are built into the control circuit to set an operating frequency of the piezoceramic transformer.