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:
Mar. 30, 1993
Filed:
Jun. 24, 1991
Toshihiko Ochiai, Tokyo, JP;
Takeshi Matoba, Yokohama, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An image forming apparatus forms a record image with developer on a recording medium by supplying the developer between a plurality of recording electrodes and the recording medium disposed in confronting relation to the recording electrodes and by applying a signal voltage to the recording electrodes in response to image information. The image forming apparatus improves the image quality and simplifies the apparatus by providing a prevention means disposed proximate the recording electrodes and downstream thereof in a developer moving direction, for preventing the developer from shifting.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile