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:
Oct. 07, 2025

Filed:

Dec. 08, 2023
Applicant:

Spark Connected Llc, Dallas, TX (US);

Inventors:

Petru Emanuel Stingu, Dallas, TX (US);

Kenneth Moore, Dallas, TX (US);

Yulong Hou, Shanghai, CN;

Ruwanga Dassanayake, Dallas, TX (US);

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02J 50/12 (2016.01); A47B 21/06 (2006.01); G01R 33/00 (2006.01); G01R 33/02 (2006.01); G01R 33/07 (2006.01); G01R 33/10 (2006.01); G06F 1/18 (2006.01); H02J 50/00 (2016.01); H02J 50/10 (2016.01); H02J 50/60 (2016.01); H02J 50/80 (2016.01); H02M 3/158 (2006.01);
U.S. Cl.
CPC ...
H02J 50/12 (2016.02); A47B 21/06 (2013.01); G01R 33/0094 (2013.01); G01R 33/0206 (2013.01); G01R 33/07 (2013.01); G01R 33/10 (2013.01); G06F 1/189 (2013.01); H02J 50/005 (2020.01); H02J 50/10 (2016.02); H02J 50/60 (2016.02); H02J 50/80 (2016.02); H02M 3/1582 (2013.01); A47B 2021/066 (2013.01); A47B 2200/008 (2013.01);
Abstract

In an embodiment, a method includes wirelessly transmitting power using a transmitter LC tank of a wireless power transmitter, wirelessly receiving power from the transmitter LC tank using a receiver LC tank of a wireless power receiver, interrupting wirelessly transmitting power for a slot period, during the slot period, measuring a receiver signal associated with the receiver LC tank, transmitting receiver data based on the measured receiver signal to the wireless power transmitter, determining a power loss associated with the wirelessly transmitting power based on the measured receiver signal and detecting a metallic object based on the determined power loss.


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