Invention Grant
- Patent Title: Method and apparatus for uniformly focused ring light
- Patent Title (中): 均匀聚焦环光的方法和装置
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Application No.: US15019002Application Date: 2016-02-09
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Publication No.: US09594293B2Publication Date: 2017-03-14
- Inventor: Tzyy-Shuh Chang , Changhung Lin , Hsun-Hau Huang
- Applicant: OG Technologies, Inc.
- Main IPC: G01J1/04
- IPC: G01J1/04 ; G01N21/47 ; G01B11/24 ; G01B11/14 ; H04N5/228 ; G03B15/06 ; H04N5/225 ; G01N21/88

Abstract:
An apparatus and method for the function to control the lighting direction onto an object surface, focus the light, and maintain the lighting uniformity. A ring light system takes advantage of a contoured reflector to match with the uniform, non-focused ring light source, and converting the non-focused ring light source into a focused uniform ring light source.
Public/Granted literature
- US20160154292A1 METHOD AND APPARATUS FOR UNIFORMLY FOCUSED RING LIGHT Public/Granted day:2016-06-02
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