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. 01, 1981
Filed:
Nov. 05, 1979
Applicant:
Inventor:
Robert L Thompson, Webster, NY (US);
Assignee:
Xerox Corporation, Stamford, CT (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
355 / ; 118657 ; 118652 ; 355 15 ;
Abstract
A magnetic member in which the magnetic portion thereof is magnetized to saturation impressing a plurality of magnetic poles thereon. At least one non-magnetic portion is integral with the magnetic portion so that the volume of magnetic material within the magnetic member varies producing a magnetic field having a preselected intensity profile. The magnetic member may be utilized in a development system or cleaning system of an electrophotographic printing machine.