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:
Aug. 22, 1995
Filed:
Apr. 22, 1994
Applicant:
Inventors:
Hajime Motoyama, Kawasaki, JP;
Junichi Kimizuka, Yokohama, JP;
Takeji Gima, Toride, JP;
Akihiro Nakamura, Kawasaki, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ; G03G / ;
U.S. Cl.
CPC ...
355219 ; 361235 ; 323283 ;
Abstract
An image forming apparatus comprising a body to be charged, and a central processing unit for processing based on oscillation clock pulses from a crystal oscillator, including a timer for generating a pulse signal having a predetermined period based on the oscillation clock pulses. A charging member performs a charging operation on the body to be charged, and first applying means applies a first AC voltage to the charging member, wherein the first applying means generates the first AC voltage based on a pulse signal from the timer in the central processing unit.