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:
Sep. 09, 1986

Filed:

Mar. 21, 1984
Applicant:
Inventors:

Hideo Hishiki, Iwai, JP;

Yukio Kamiyama, Iwai, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J / ; H04N / ;
U.S. Cl.
CPC ...
315411 ; 363 61 ; 358190 ;
Abstract

The primary winding of a stepup transformer is energized by a time-varying current for inducing a high voltage pulse in the secondary winding of the transformer in response to a rapid change in the time-varying current. A plurality of first diodes and a plurality of capacitors are arranged to form a voltage multiplier for multiplying the amplitude of the high voltage pulse and storing the multiplied pulse on the capacitors to develop a high DC voltage. A second diode is connected in a circuit between one end of the secondary winding and ground so that a current may flow in a loop through the first and second diodes in response to the high voltage pulse and potentials of opposite polarities may develop across the secondary winding. The second diode provides a capacitance in series with the distributed capacitance of the secondary winding, thus reducing the total capacitance to permit ringing to occur at a desired harmonic frequency of the high voltage pulse.


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