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:
Apr. 20, 2004
Filed:
Mar. 16, 2001
Applicant:
Inventors:
Matthias Regelsberger, Rochester, NY (US);
David Hockey, Brockport, NY (US);
Anne Lairmore, Hilton, NY (US);
Assignee:
Heidelberger Druckmaschinen AG, Heidelberg, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 1/506 ;
U.S. Cl.
CPC ...
G03G 1/506 ;
Abstract
An electrophotographic print engine has a variable primary charger and toning bias which places the machine in abnormal reproduction modes in order to provide service and diagnostic information to troubleshoot subsystems involved in the electrophotographic process.