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:
Feb. 27, 2001
Filed:
Feb. 23, 1999
Applicant:
Inventor:
Nobuo Wakasugi, Tokyo, JP;
Assignee:
Oki Data Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 1/504 ;
U.S. Cl.
CPC ...
G03G 1/504 ;
Abstract
An electrophotographic printer has a print head that illuminates a photoconductor to form an electrostatic latent image. The print head has light-emitting elements. Each corresponding to a pixel of the image and emitting light when driven. Drive circuits are provided for driving the light-emitting elements. Each drive circuit drives a corresponding one of the light-emitting elements in accordance with a value of the pixel. A controller controls the drive circuits to start driving corresponding light-emitting elements in a predetermined order.