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:
Jan. 11, 2000
Filed:
Apr. 21, 1999
Applicant:
Inventors:
Luc Karel Van Aken, Hasselt, BE;
Robert Frans Janssens, Geel, BE;
Assignee:
Xeikon NV, Mortsel, BE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ; G03G / ;
U.S. Cl.
CPC ...
399271 ; 430122 ;
Abstract
An image forming apparatus is used, in which an electrostatic image formed on a moving image forming belt is developed by AC development. Where the image forming belt moves at a speed of v.sub.p mm/s, the cleaning potential is V.sub.cl volts, and the AC bias frequency is f kHz, the function Z satisfies the following equation: ##EQU1## Images substantially free of background development are thereby obtained.