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:
Nov. 15, 2016
Filed:
Jul. 31, 2009
Applicants:
David A. Fattal, Mountain View, CA (US);
Raymond G. Beausoleil, Redmond, WA (US);
Joanna Duligall, Gloucester, GB;
Radu Ionicioiu, Bristol, GB;
Inventors:
David A. Fattal, Mountain View, CA (US);
Raymond G. Beausoleil, Redmond, WA (US);
Joanna Duligall, Gloucester, GB;
Radu Ionicioiu, Bristol, GB;
Assignee:
Hewlett Packard Enterprise Development LP, Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01J 1/00 (2006.01); G01B 11/26 (2006.01); G01S 3/784 (2006.01);
U.S. Cl.
CPC ...
G01B 11/26 (2013.01); G01S 3/784 (2013.01);
Abstract
A direction sensor () includes sensor cells () that respectively correspond to different directions. Each of the sensor cells () includes a light sensor () and a grating () that couples incident light into the light sensor () when the incident light has a specific wavelength and is incident on the grating () along the direction corresponding to the sensor cell ().