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:
May. 12, 2015

Filed:

May. 03, 2011
Applicants:

Paul David Clausen, Waterloo, CA;

James Spere, Kitchener, CA;

Terry Harold Fisher, Waterloo, CA;

Inventors:

Paul David Clausen, Waterloo, CA;

James Spere, Kitchener, CA;

Terry Harold Fisher, Waterloo, CA;

Assignee:

Northern Digital Inc., Waterloo, Ontario, CA;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06K 9/00 (2006.01); G06T 7/00 (2006.01); G01B 11/25 (2006.01);
U.S. Cl.
CPC ...
G06T 7/0042 (2013.01); G01B 11/25 (2013.01); G06T 2207/30108 (2013.01);
Abstract

In one aspect, in general, a measurement system includes a projector for illuminating a pattern on a surface of the object, at least two imaging devices for obtaining images of a portion of an object, wherein at least some of the images include representations of one or more illuminated reference markers, an instrument for identifying a predetermined feature of the object, and a computing device for determining first position information associated with the illuminated reference markers represented in the images, determining second position information associated with the instrument, and based on the first position information and the second position information, assigning a predetermined coordinate system of the object to the object.


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