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
-
Application No.: US14073455Application Date: 2013-11-06
-
Publication No.: US09291877B2Publication Date: 2016-03-22
- Inventor: Tzyy-Shuh Chang , Hsun-Hau Huang , Changhung Lin
- Applicant: OG Technologies, Inc.
- Applicant Address: US MI Ann Arbor
- Assignee: OG Technologies, Inc.
- Current Assignee: OG Technologies, Inc.
- Current Assignee Address: US MI Ann Arbor
- Agency: Dinsmore & Shohl LLP
- Main IPC: G01B11/30
- IPC: G01B11/30 ; G01B11/14 ; G01B11/02 ; G01B11/04 ; G01B11/10 ; G01B11/08 ; H04N5/235 ; G01N15/06 ; G06K9/00 ; G03B15/06 ; H04N5/225
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
- US20140132793A1 METHOD AND APPARATUS FOR UNIFORMLY FOCUSED RING LIGHT Public/Granted day:2014-05-15
Information query
