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:
Sep. 25, 2007
Filed:
May. 10, 2005
Marty L. Trivette, Cary, NC (US);
Erskine R. Barbour, Benson, NC (US);
David C. Whyte, Fayetteville, NC (US);
Carl J. Laplace, Jr., Raleigh, NC (US);
Marty L. Trivette, Cary, NC (US);
Erskine R. Barbour, Benson, NC (US);
David C. Whyte, Fayetteville, NC (US);
Carl J. LaPlace, Jr., Raleigh, NC (US);
ABB Technology AG, Zurich, CH;
Abstract
A method for determining an electrical current value using at least two current sensing circuits. One current sensing circuit is provided if the current value is below a switching threshold. The other current sensing is provided if the current value is above a switching threshold. Both current sensing circuits having a processing means to process the current signal and a determining means to determine the value of the current signal.