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:
Aug. 28, 2007
Filed:
Nov. 21, 2005
Applicants:
Nenad Kircanski, Toronto, CA;
Amir Sadri, Toronto, CA;
Milija Timotijevic, Toronto, CA;
Zhiliang Xu, Mississauga, CA;
Manja Kircanski, Toronto, CA;
Neven Nikolic, Mississauga, CA;
Inventors:
Nenad Kircanski, Toronto, CA;
Amir Sadri, Toronto, CA;
Milija Timotijevic, Toronto, CA;
Zhiliang Xu, Mississauga, CA;
Manja Kircanski, Toronto, CA;
Neven Nikolic, Mississauga, CA;
Assignee:
Bio-Rad Laboratories, Inc., Hercules, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
G05B 19/40 (2006.01);
U.S. Cl.
CPC ...
Abstract
Methods and apparatus for precise positioning of an object using linear actuators based on linear stepper motors operating in microstepping or full step mode, a control algorithm based on compensation table, and a calibration apparatus for obtaining the compensation table.