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. 31, 1999
Filed:
Aug. 27, 1997
Kouji Miura, Mishima, JP;
Jun Miyamoto, Susono, JP;
Shigeo Miyabe, Numazu, JP;
Takeshi Arimitsu, Odawara, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A process cartridge detachably mountable to a main assembly of an electrophotographic image forming apparatus includes an electrophotographic photosensitive member; process members actable on the electrophotographic photosensitive member; an exposure zone, provided in a cartridge frame, for exposing a part of the electrophotographic photosensitive member to permit, when the process cartridge is mounted to the main assembly of the apparatus, a detector provided in the main assembly to detect a density of a toner image formed on the electrophotographic photosensitive member, to project light emitted from the detector to the electrophotographic photosensitive member on which the toner image is formed, and to direct the light reflected by the electrophotographic photosensitive member to the detector.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile