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:
Sep. 20, 2011
Filed:
Mar. 26, 2007
Applicants:
Edward Davis, Kihei, HI (US);
Yoshinao Taketomi, San Diego, CA (US);
Larry Diruscio, Carlsbad, CA (US);
Inventors:
Edward Davis, Kihei, HI (US);
Yoshinao Taketomi, San Diego, CA (US);
Larry DiRuscio, Carlsbad, CA (US);
Assignee:
Trex Enterprises Corp., San Diego, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04J 14/00 (2006.01); G01J 1/20 (2006.01);
U.S. Cl.
CPC ...
Abstract
A beam direction sensor for determining the direction of each beam in an array of light beams. The invention basically consists of a screen positioned to intersect the array of beams and a video camera to record the position of the images of the intersections. The screen can be any of a wide variety of screens that produce an image of the beams when illuminated with the beam. These include frosted glass and various diffusers. A preferred screen is a holographic diffusers.