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.

Date of Patent:
Mar. 19, 2013

Filed:

Mar. 03, 2010
Applicants:

James Stephen Rutledge, Durham, NC (US);

Andreas Schupp, North Point, HK;

Qianying Wang, Beijing, CN;

Fang Xu, Beijing, CN;

Inventors:

James Stephen Rutledge, Durham, NC (US);

Andreas Schupp, North Point, HK;

QianYing Wang, Beijing, CN;

Fang Xu, Beijing, CN;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B 21/14 (2006.01); G03B 21/26 (2006.01);
U.S. Cl.
CPC ...
Abstract

An exemplary method includes defining an environment, formulating an anti-keystoning algorithm based at least in part on the defined environment, projecting a laser image from a source to a surface of the defined environment, determining at least one vector parameter with respect to the source and the surface and correcting the laser image based on the anti-keystoning algorithm and the at least one vector parameter. Various other apparatuses, systems, methods, etc., are also disclosed.


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