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. 23, 2014
Filed:
May. 12, 2008
Kenneth Edmund Arnett, Boulder, CO (US);
Robert Bruce Charters, Palmerston, AU;
Chan Hong Wang, Acton, AU;
Graham Roy Atkins, Kaleen, AU;
Ian Andrew Maxwell, Five Dock, AU;
Duncan Ian Ross, Acton, AU;
Kenneth Edmund Arnett, Boulder, CO (US);
Robert Bruce Charters, Palmerston, AU;
Chan Hong Wang, Acton, AU;
Graham Roy Atkins, Kaleen, AU;
Ian Andrew Maxwell, Five Dock, AU;
Duncan Ian Ross, Acton, AU;
Zetta Research and Development LLC—RPO Series, Wilmington, DE (US);
Abstract
An apparatus and method for transmitting, collimating and redirecting light from a point-like source to produce a collimated optical signal in a substantially planar form are provided. In one embodiment, the apparatus is manufactured as a unitary transmissive body comprising a collimation element and a redirection element, and optionally a transmissive element. In another embodiment, the apparatus is assembled from one or more components. The apparatus and method are useful for providing sensing light for an optical touch input device or for providing illumination for a display.