Invention Grant
US07826118B2 Composite scanning unit for reducing speckle noise and laser projection system employing the same
失效
用于减少斑点噪声的复合扫描单元和采用该扫描单元的激光投影系统
- Patent Title: Composite scanning unit for reducing speckle noise and laser projection system employing the same
- Patent Title (中): 用于减少斑点噪声的复合扫描单元和采用该扫描单元的激光投影系统
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Application No.: US11844731Application Date: 2007-08-24
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Publication No.: US07826118B2Publication Date: 2010-11-02
- Inventor: Oleg Prudnikov
- Applicant: Oleg Prudnikov
- Applicant Address: KR Suwon-si
- Assignee: Samsung Electronics Co., Ltd.
- Current Assignee: Samsung Electronics Co., Ltd.
- Current Assignee Address: KR Suwon-si
- Agency: Sughrue Mion, PLLC
- Priority: KR10-2006-0125073 20061208
- Main IPC: G02B26/08
- IPC: G02B26/08
Abstract:
A composite scanning unit for reducing speckle noise and a laser projection system employing the composite scanning unit are provided. The composite scanning unit includes a plurality of mirror surfaces disposed along a rotation axis, wherein at least two of the plurality of mirror surfaces sequentially scan diffraction beams having different orders on the screen.
Public/Granted literature
- US20080137163A1 COMPOSITE SCANNING UNIT FOR REDUCING SPECKLE NOISE AND LASER PROJECTION SYSTEM EMPLOYING THE SAME Public/Granted day:2008-06-12
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