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:
Dec. 16, 2025

Filed:

May. 12, 2023
Applicant:

Microchip Technology Incorporated, Chandler, AZ (US);

Inventors:

Alex Dumais, Boise, ID (US);

Santosh Bhandarkar, Chandler, AZ (US);

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02J 50/60 (2016.01); G01R 19/25 (2006.01); H02J 50/10 (2016.01);
U.S. Cl.
CPC ...
H02J 50/60 (2016.02); G01R 19/2509 (2013.01); H02J 50/10 (2016.02);
Abstract

Foreign object detection and related apparatuses, methods, and systems are disclosed. An apparatus includes one or more inductive coils to wirelessly couple with another inductive coil, a series capacitor electrically connected in series with the one or more inductive coils, and a controller to determine a coil current through the one or more inductive coils responsive to a capacitor voltage potential difference across the series capacitor and determine a coil power responsive to the determined coil current and a coil voltage potential difference across the one or more inductive coils.


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