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:
Nov. 24, 1987
Filed:
Sep. 15, 1986
Applicant:
Inventors:
Kazuyoshi Takahashi, Kawasaki, JP;
Koji Suzuki, Yokohama, JP;
Joji Nagahira, Yokohama, JP;
Kunio Yoshihara, Tokyo, JP;
Toshiro Matsui, Kawasaki, JP;
Tadashi Ishikawa, Tokyo, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02M / ; H03K / ;
U.S. Cl.
CPC ...
363 49 ; 363 20 ; 363 97 ; 323289 ; 307280 ;
Abstract
There is disclosed a high-voltage power supply device capable of high precise control with a simplified circuitry and with a reduced energy loss in which a high-voltage transformer is controlled by switching means which is driven by a power source including a negative power supply and operated in response to pulse signals.