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:
Mar. 13, 2012
Filed:
Jan. 15, 2009
Applicant:
Jambunathan Vangal-ramamurthy, San Jose, CA (US);
Inventor:
Jambunathan Vangal-Ramamurthy, San Jose, CA (US);
Assignee:
Western Digital Technologies, Inc., Irvine, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06K 9/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method and apparatus of calibrating a vision based robotic system is disclosed. The apparatus includes a first camera, a second camera, a calibration block having an alignment mark, and a robotic tool having an alignment fiducial. The method includes using the first camera and the calibration block to determine a first camera center position, using the second camera and the calibration block to determine a second camera center position, using the second camera and the robotic tool to determine a robotic tool center position, and calculating a first camera to tool offset value.