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. 01, 1976
Filed:
May. 27, 1975
Applicant:
Inventor:
Frederick W Hudson, West Henrietta, NY (US);
Assignee:
Xerox Corporation, Stamford, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01T / ;
U.S. Cl.
CPC ...
250324 ; 250325 ; 3172 / ;
Abstract
An electrostatic charging apparatus in which current reaching an imaging surface from a corona discharge device is automatically regulated. A sensing means is provided to measure the charging current delivered to the imaging surface and means responsive to said measured charging current to adjust the D.C. bias of an A.C. power supply energizing the corona electrode.