Integrating sphere for light flux meter
The portions of the Figures shown in broken lines are shown for illustrative purposes only and form no part of the claimed design.
Claims
The ornamental design for an integrating sphere for light flux meter, as shown and described.
D476909 | July 8, 2003 | Chen |
Type: Grant
Filed: May 20, 2008
Date of Patent: Dec 22, 2009
Inventor: Li-Chuan Chen (Taipei)
Primary Examiner: Antoine D Davis
Attorney: Apex Juris, pllc
Application Number: 29/318,434