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:
Oct. 31, 2000
Filed:
May. 21, 1999
Teruhiko Sasaki, Toride, JP;
Satoshi Kurihara, Toride, JP;
Tsutomu Nishiuwatoko, Kashiwa, JP;
Toru Koizumi, Toride, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A developing apparatus for developing a latent image formed on an electrophotographic photosensitive member includes a development member for conveying developer to the electrophotographic photosensitive member to develop the latent image formed on the electrophotographic photosensitive member; a developer storing portion for storing the developer used by the development member to develop the latent image; a developer supplying opening for supplying the developer stored in the developer storing portion, to the development member; and a developer remainder amount reporting member disposed within the developer storing portion, away from the internal surface of the developer storing portion, for reporting the developer remainder amount within the developing apparatus on the basis of the electrostatic capacity between the developer remainder amount reporting member and the development member.