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:
Oct. 15, 2002
Filed:
Apr. 27, 2000
Applicant:
Inventors:
Peter F. Rogers, Worthington, OH (US);
Ronald J. Gaines, Dublin, OH (US);
Assignee:
Sensotec, Inc., Columbus, OH (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01R 3/300 ; G01R 3/302 ; B23K 1/124 ; B23K 1/130 ;
U.S. Cl.
CPC ...
G01R 3/300 ; G01R 3/302 ; B23K 1/124 ; B23K 1/130 ;
Abstract
Apparatus and method for measuring weld current utilizing Hall effect sensors. The apparatus is immune from the position sensitivity drawbacks of Hall effect sensor based current memory devices through the utilization of a radially symmetrically disposed orientation of the Hall effect sensor in combination with the utilization of a summing network responsive to the output of each such sensor.