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:
May. 29, 2001
Filed:
Feb. 26, 1999
Applicant:
Inventors:
Assignee:
Taiheiyo Cement Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B 3/702 ;
U.S. Cl.
CPC ...
H05B 3/702 ;
Abstract
In a piezoelectric transformer control circuit for driving a load (,) connected to a piezoelectric transformer (,), an oscillation signal as a basis of driving of the piezoelectric transformer (,) is oscillated, and the piezoelectric transformer (,) is driven by a driving circuit (,) on the basis of the oscillation signal. A pulse power supply circuit (,) for supplying a pulse voltage to the driving circuit (,) intermittently drives the driving circuit (,) by pulse-modulating the pulse voltage to be supplied to the driving circuit (,).