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:
Jul. 02, 1996
Filed:
Jun. 14, 1995
Hironobu Saito, Yokohama, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
The invention provides a separating apparatus for removing foreign matters from magnetic toner, the separating apparatus being used in an electrophotographic image forming apparatus. The separating apparatus comprises a filter having openings for allowing passage of the magnetic toner, a magnetic field generating means for generating a magnetic field for attracting the magnetic toner and causing it to pass through the filter, and a magnetic force decreasing means for decreasing a magnetic force generated by the magnetic field generating means to lessen the magnetic field for attracting the magnetic toner and causing it to pass through the filter.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile