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. 10, 2019
Filed:
Oct. 12, 2017
Applicant:
Getac Technology Corporation, Hsinchu County, TW;
Inventor:
Huang-Wen Su, Taipei, TW;
Assignee:
GETAC TECHNOLOGY CORPORATION, Hsinchu County, TW;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01V 3/10 (2006.01);
U.S. Cl.
CPC ...
G01V 3/101 (2013.01);
Abstract
A sensing circuit for metal object includes a resonating element, a power supply circuit, and a determining circuit. The resonant element is coupled to the power supply circuit and the determining circuit. The power supply circuit drives the resonating element to generate an oscillation, and the determining circuit determines the position of the metal object relative to the resonating element according to the energy change of the resonating element.