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. 09, 2011
Filed:
Sep. 28, 2007
Applicants:
George E. Rollins, Chelmsford, MA (US);
Weihua Chen, Westford, MA (US);
Prachi S. Kulkarni, Burlington, MA (US);
Diana A. Sufariu, Nashua, NY (US);
Inventors:
George E. Rollins, Chelmsford, MA (US);
Weihua Chen, Westford, MA (US);
Prachi S. Kulkarni, Burlington, MA (US);
Diana A. Sufariu, Nashua, NY (US);
Assignee:
Rockwell Automation Technologies, Inc., Mayfield Heights, OH (US);
Primary Examiner:
Int. Cl.
CPC ...
G01B 7/14 (2006.01); H01F 5/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An inductive proximity sensor is disclosed. The proximity sensor includes a housing having at least a first pair of inductive coils disposed within the housing. One of the first pair of inductive coils is opposite in polarity from another one of the first pair of inductive coils. The sensor optionally includes a second set of inductive coils, having opposite polarity.