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:
Jan. 18, 2022

Filed:

Mar. 05, 2020
Applicant:

Renesas Electronics America Inc., Milpitas, CA (US);

Inventor:

Nicholaus Smith, La Mesa, CA (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02J 50/40 (2016.01); H02J 50/10 (2016.01); H02J 50/80 (2016.01); H02J 50/90 (2016.01); H02J 7/00 (2006.01);
U.S. Cl.
CPC ...
H02J 50/402 (2020.01); H02J 7/00034 (2020.01); H02J 50/10 (2016.02); H02J 50/80 (2016.02); H02J 50/90 (2016.02);
Abstract

A system and method of transmitting power according to some embodiments includes sequentially pinging each of a plurality of transmit coils to locate a receiver; determining one or more active coils from the plurality of transmit coils based on the location of the receiver; activating the one or more active coils in a full-bridge mode to transfer power to the receiver; determining a base efficiency based on the one or more active coils; monitoring non-active ones of the plurality of transmit coils; determining if the receiver has moved based on the monitoring; if the receiver has moved to a new position, determining secondary coils according to the new position, and transitioning power to provide power from a new active coil configuration.


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