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:
Jun. 06, 1989
Filed:
Dec. 14, 1988
Applicant:
Inventor:
Louis Reale, Rochester, NY (US);
Assignee:
Xerox Corporation, Stamford, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01T / ;
U.S. Cl.
CPC ...
361230 ; 361225 ;
Abstract
A corona charging device for depositing negative charge on an imaging surface comprises at least one elongated conductive metal corona discharge electrode supported between insulating end blocks and being coated with a substantially continuous thin conductive dry film of aluminum hydroxide containing conductive particles. The corona discharge electrode may be a thin metal wire or alternatively at least one linear array of pin electrodes and the conductive particles in the coating are graphite particles.