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:
May. 03, 2005
Filed:
Sep. 05, 2002
Roger Cannon, Lexington, KY (US);
Christopher Chee, Lexington, KY (US);
Robert Paterson, Nicholasville, KY (US);
Dawson Ward, Richmond, KY (US);
Roger Cannon, Lexington, KY (US);
Christopher Chee, Lexington, KY (US);
Robert Paterson, Nicholasville, KY (US);
Dawson Ward, Richmond, KY (US);
Lexmark International, Inc., Lexington, KY (US);
Abstract
A laser scanning unit is provided comprising a housing; a scanning assembly including a scanning device; a first light beam source directing a first light beam toward the scanning device; a second light beam source directing a second light beam toward the scanning device; and first and second post-scan optical assemblies located to receive first and second scanning beams reflected from the scanning device. Each post-scan optical assembly may comprise a first, second and third fold mirror, a first f-theta lens located between the first and the second fold mirrors, and a second f-theta lens located to receive light reflected from the third fold mirror and outputting a compensated scanning beam for generating a scan line on a corresponding photoconductive member.