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. 04, 2005
Filed:
Apr. 22, 2003
Yoon-seop Eom, Gyeonggi-do, KR;
Min-ho Choi, Gyeonggi-do, KR;
Seung-deog an, Gyeonggi-do, KR;
Samsung Electronics Co., Ltd., Suwon-si, KR;
Abstract
A laser scanning unit and an electrophotographic image forming apparatus adopting the same include a plurality of photogenerators emitting parallel lights, a plurality of rotatable polygonal mirrors which deflect the lights emitted from the photogenerators in a main scanning direction having a range of a predetermined angle to scan the lights onto photosensitive media proceeding in a sub scanning direction, the rotatable polygonal mirrors stacked on a driving unit to match corresponding ones of the photogenerators and coupled with a rotation shaft of the driving unit to rotate therewith, a plurality of first lenses which are installed in light paths between the photogenerators and the rotatable polygonal mirrors, respectively, and collect the lights in the sub scanning direction, and a plurality of second lenses which collect the lights deflected by the rotatable polygonal mirrors on corresponding ones of the photosensitive media.