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:
Dec. 15, 2015
Filed:
Jul. 25, 2012
Gerald M. Fletcher, Pittsford, NY (US);
Joannes N. M. DE Jong, Hopewell Junction, NY (US);
Peter Knausdorf, Henrietta, NY (US);
Steven R. Moore, Pittsford, NY (US);
Palghat S. Ramesh, Pittsford, NY (US);
Gerald M. Fletcher, Pittsford, NY (US);
Joannes N. M. de Jong, Hopewell Junction, NY (US);
Peter Knausdorf, Henrietta, NY (US);
Steven R. Moore, Pittsford, NY (US);
Palghat S. Ramesh, Pittsford, NY (US);
Xerox Corporation, Norwalk, CT (US);
Abstract
Embodiments described herein are directed to a system for reducing electrostatic fields underneath print heads in a direct marking printing system. The system includes: one or more print heads for depositing ink onto a media substrate; a media transport for moving the media substrate along a media path past the one or more print heads; a conductive platen contacting the media transport belt; and an electrostatic field reducer that includes an alternating current corona device positioned upstream of the one or more print heads. The media transport includes a media transport belt and, when the media substrate is on the transport belt it has an electrostatic field, which can cause printing defects. The electrostatic field reducer reduces the electrostatic field on the surface of the media substrate and thereby reduces printing defects.