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:
Jul. 10, 2007
Filed:
Mar. 22, 2006
Applicants:
Mark B. Spitzer, Sharon, MA (US);
Noa M. Rensing, Newton, MA (US);
Paul M. Zavracky, Newton, MA (US);
Inventors:
Mark B. Spitzer, Sharon, MA (US);
Noa M. Rensing, Newton, MA (US);
Paul M. Zavracky, Newton, MA (US);
Assignee:
The Microoptical Corporation, Westwood, MA (US);
Primary Examiner:
Int. Cl.
CPC ...
G02B 27/14 (2006.01); G02B 27/30 (2006.01); G09G 5/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An optical system for a head mounted display includes a light pipe having two parallel surfaces along which modes can travel by total internal reflection. An illumination element allows selection of modes so that the desired modes can be transmitted along the light pipe, either axially or by total internal reflection.