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. 04, 1983
Filed:
Oct. 05, 1981
Tokyo Shibaura Denki Kabushiki Kaisha, Kawasaki, JP;
Abstract
A developing apparatus is used with an image forming system provided with a photosensitive layer on which a static latent image is impressed and which is formed of first and second portions having different surface potentials. The developing apparatus comprising a developing roller which is rotatably arranged and fitted with a large number of hairs for feeding a developing agent such as a toner to the surface of the photosensitive layer in contact therewith. The developing agent is attracted to the first portion of the surface of the photosensitive layer with a strong attractive force and to the second portion of the surface with a weak attractive force. The developing apparatus further comprises electrode tube for removing that portion of the developing agent which is attracted to the second portion with the weak attractive force.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile