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:
Jun. 28, 2011
Filed:
Mar. 22, 2007
Pierre St. Hilaire, Belmont, CA (US);
Gaile Gibson Gordon, Palo Alto, CA (US);
John Iselin Woodfill, Palo Alto, CA (US);
Ronald J. Buck, Fremont, CA (US);
Steve Clohset, San Francisco, CA (US);
Pierre St. Hilaire, Belmont, CA (US);
Gaile Gibson Gordon, Palo Alto, CA (US);
John Iselin Woodfill, Palo Alto, CA (US);
Ronald J. Buck, Fremont, CA (US);
Steve Clohset, San Francisco, CA (US);
Tyzx, Inc., Menlo Park, CA (US);
Abstract
A system for distance calculation is disclosed. The system includes an illuminator unit, one or more camera units, and a distance processor. The illuminator unit illuminates a scene in a target area using a textured pattern creator and wherein the textured pattern creator includes a diffractive optical element. The one or more camera units captures two or more images of the target area from two or more physical locations. A textured pattern illumination is visible in each of the two or more images of the target area. The images are used to calculate distances to one or more points in the scene in the target area.