Invention Grant
- Patent Title: Lens, light scanning unit, and electrophotography type image forming apparatus
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Application No.: US14743216Application Date: 2015-06-18
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Publication No.: US09709804B2Publication Date: 2017-07-18
- Inventor: Won-young Cho
- Applicant: Samsung Electronics Co., Ltd.
- Applicant Address: KR Suwon-si
- Assignee: S-PRINTING SOLUTION CO., LTD.
- Current Assignee: S-PRINTING SOLUTION CO., LTD.
- Current Assignee Address: KR Suwon-si
- Agency: Staas & Halsey LLP
- Priority: KR10-2014-0074507 20140618
- Main IPC: B41J2/45
- IPC: B41J2/45 ; G02B26/12 ; G03G15/04 ; G03G15/043 ; G02B13/00

Abstract:
A lens, a light scanning unit, and an electrophotography type image forming apparatus includes effective optical surfaces, wherein reference indicating portions to measure a decenter of the lens are arranged on the effective optical surfaces.
Public/Granted literature
- US20150370192A1 LENS, LIGHT SCANNING UNIT, AND ELECTROPHOTOGRAPHY TYPE IMAGE FORMING APPARATUS Public/Granted day:2015-12-24
Information query
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