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. 11, 1994
Filed:
Dec. 23, 1992
Jean-Michel Guerin, Glendale, CA (US);
Xerox Corporation, Stamford, CT (US);
Abstract
In a write white color xerographic system which builds up layers of color toner on a web prior to transfer to paper, the method of generating a toner mark on the belt on the first pass by use of the scanning laser, and of detecting that mark on subsequent passes to ensure registration of the first and subsequent passes. The marks are made on the photoreceptor slightly before and after the image area to indicate the area and shape of the image area, and are used in conjunction with ordinary start and end of scan detectors which are used to determine scan speed.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile