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. 25, 2017
Filed:
Sep. 30, 2011
Robert D. Brown, Lake Oswego, OR (US);
Kurt A. Stahl, Portland, OR (US);
Robert B. Wood, Beaverton, OR (US);
Lincoln J. Burns, Portland, OR (US);
Robert D. Brown, Lake Oswego, OR (US);
Kurt A. Stahl, Portland, OR (US);
Robert B. Wood, Beaverton, OR (US);
Lincoln J. Burns, Portland, OR (US);
Rockwell Collins, Inc., Cedar Rapids, IA (US);
Abstract
A head up display include an image source, and a waveguide. The waveguide has a first diffraction grating and a first end and a second diffraction grating at a second end. The waveguide is positioned as a combiner and allows viewing of an outside scene and information from the image source. The first and second diffraction gratings are surface relief gratings having a high index of modulation.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile