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:
Nov. 09, 2021

Filed:

Jan. 16, 2020
Applicant:

Illinois Tool Works Inc., Glenview, IL (US);

Inventor:

Anthony Salsich, Appleton, WI (US);

Assignee:

Illinois Tool Works Inc., Glenview, IL (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 31/50 (2020.01); B23K 37/00 (2006.01); B23K 11/25 (2006.01); B23K 13/08 (2006.01); B23K 9/095 (2006.01); B23K 10/00 (2006.01); G01R 31/52 (2020.01);
U.S. Cl.
CPC ...
B23K 9/0953 (2013.01); B23K 10/006 (2013.01); B23K 11/257 (2013.01); B23K 11/258 (2013.01); B23K 13/08 (2013.01); B23K 37/006 (2013.01); G01R 31/52 (2020.01);
Abstract

An example apparatus to monitor a welding-type system includes: a test signal generator configured to output a test signal to a monitored circuit; and a lock-in amplifier configured to: receive a reference signal based on the test signal; measure a leakage current in the monitored circuit based on the reference signal; and generate an output signal representative of the leakage current.


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