The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 21, 2012
Filed:
Sep. 30, 2008
Applicants:
Edward Charles Owen, Redmond, WA (US);
John Ikeda, Seattle, WA (US);
Inventors:
Edward Charles Owen, Redmond, WA (US);
John Ikeda, Seattle, WA (US);
Assignee:
Microsoft Corporation, Redmond, WA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61B 1/24 (2006.01);
U.S. Cl.
CPC ...
Abstract
Systems and methods are disclosed for substantially uniformly lighting a substantially cylindrical cavity using a minimal amount of light sources. The primary technique disclosed utilizes directing light through a light pipe where is dispersed appropriately. Further, techniques are disclosed for performing the above functions when the substantially cylindrical cavity is partially filled with an opaque obstruction.