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. 03, 1989
Filed:
Aug. 03, 1987
Applicant:
Inventors:
Edward W Connors, Rochester, NY (US);
Paul C Julien, Webster, NY (US);
Robert G Martin, Rochester, NY (US);
Assignee:
Xerox Corporation, Stamford, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
118653 ; 118655 ; 118612 ; 355 / ; 222D / ; 198766 ;
Abstract
The invention is a single component development system including a housing with a sump containing a supply of toner, an ultrasonic transducer having one end extending into the source of the toner and the other end disposed adjacent a photoreceptor, and a current source electrically connected to the ultrasonic transducer to charge the toner and move the toner from the sump to the photoreceptor.