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:
Jun. 04, 1996
Filed:
Oct. 23, 1992
Nobuyuki Ito, Oume, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An image forming apparatus includes an image forming device for forming an image on a recording material, the image forming device having a contactable member which is contactable with the recording material with electrostatic attraction force between the contactable member and the recording material; a separation discharger for electrically discharging the recording material upon separation of the recording material from the contactable member after image formation on the recording material, the separation discharger having a wire electrode and a shield electrode; wherein Vp/f.ltoreq.0.5 is satisfied where Vp is a conveying speed of the recording material (mm/sec), and f is a frequency of a periodically changing voltage applied to the separation discharger (Hz), wherein the inside of the shield electrode is reduced toward the contactable member.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile