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. 05, 2016
Filed:
Jun. 25, 2014
Applicant:
Samsung Electronics Co., Ltd., Suwon-si, Gyeonggi-do, KR;
Inventor:
Wan-chin Kim, Seoul, KR;
Assignee:
SAMSUNG ELECTRONICS CO., LTD., Suwon-Si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 26/02 (2006.01); G03G 15/043 (2006.01); G02B 27/00 (2006.01); G02B 5/00 (2006.01); G02B 26/12 (2006.01); G02B 27/09 (2006.01);
U.S. Cl.
CPC ...
G03G 15/043 (2013.01); G02B 5/005 (2013.01); G02B 26/02 (2013.01); G02B 26/12 (2013.01); G02B 26/124 (2013.01); G02B 27/0075 (2013.01); G02B 27/0988 (2013.01); G03G 15/0435 (2013.01);
Abstract
A luminous flux limit device, an optical scanning unit employing the luminous flux limit device, and an electrophotographic image forming apparatus are provided. The luminous flux limit device limits a luminous flux of the optical scanning unit and includes a light-blocking portion, a light transmissive region around the light blocking region, and a light blocking outer region around the light transmissive region.