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:
Dec. 10, 1991
Filed:
Jan. 02, 1991
Akiyoshi Kimura, Tokyo, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An image forming apparatus includes a movable photosensitive member, a charger for uniformly charging the photosensitive member, exposure device for illuminating an original and exposing the photosensitive member charged by the charger to the light from the original, a scanner for scanning by a laser beam the photosensitive member charged by the charger, the scanner including a deflector for deflecting the laser beam, and wherein the deflector is disposed upstream of an exposure position of the exposure device with respect to movement direction of the photosensitive member, and a scanning position of the scanner is disposed downstream of the exposure position. The laser beam forms a margin on the photosensitive member for the leading edge of a copy sheet.