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:
Sep. 26, 2000
Filed:
Jul. 09, 1997
Applicant:
Inventor:
Yuji Kamiya, Kawasaki, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ; G03G / ;
U.S. Cl.
CPC ...
399 44 ; 399 94 ; 399 97 ; 399388 ;
Abstract
An image forming apparatus includes of an image bearing member, an image forming unit for forming a toner image onto the image bearing member, a transfer charging unit for transferring the toner image from the image bearing member to a transfer material at a transfer position, a guide member for guiding the transfer material to the transfer position, a sensor for detecting an ambient environment of the image forming apparatus, and a switch for switching whether the guide member is connected to a constant voltage element or is connected to the ground in accordance with a detection result of the sensor.