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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.:

US 11353572 B1

PDFFull Text
Date of Patent:
Jun. 07, 2022

Filed:

Oct. 11, 2019

Methods and apparatus utilizing multiple radars in object detection for wireless power transfer

Applicant:

Witricity Corporation, Watertown, MA (US);

Inventors:

Qi Wang, Stuttgart, DE;

Joshua Reuben Lee, Munich, DE;

Michael Hutterer, Dachau, DE;

Assignee:

WiTricity Corporation, Watertown, MA (US);

Attorney:

Knobbe, Martens, Olson & Bear, LLP

Primary Examiner:

Marcus E Windrich

Int. Cl.
CPC ...
G01S 13/04 (2006.01); G01S 13/87 (2006.01); B60L 53/38 (2019.01); B60L 53/65 (2019.01); B60L 50/60 (2019.01); B60L 53/68 (2019.01); B60L 53/122 (2019.01); B60L 53/124 (2019.01); B60L 53/126 (2019.01); B60L 53/30 (2019.01);
U.S. Cl.
CPC ...
G01S 13/04 (2013.01); B60L 50/66 (2019.02); B60L 53/122 (2019.02); B60L 53/124 (2019.02); B60L 53/126 (2019.02); B60L 53/305 (2019.02); B60L 53/38 (2019.02); B60L 53/65 (2019.02); B60L 53/68 (2019.02); G01S 13/87 (2013.01); G01S 13/878 (2013.01); B60L 2210/10 (2013.01); B60L 2210/30 (2013.01); B60L 2210/40 (2013.01); B60L 2240/80 (2013.01); B60L 2270/147 (2013.01); Y02T 10/70 (2013.01); Y02T 10/7072 (2013.01); Y02T 10/72 (2013.01); Y02T 90/12 (2013.01); Y02T 90/14 (2013.01); Y02T 90/16 (2013.01); Y02T 90/167 (2013.01); Y04S 30/14 (2013.01);
Abstract

Methods and apparatus utilizing time division access of multiple radar transceivers in living object detection for wireless power transfer applications are provided. In one aspect, an apparatus for detecting an object in a detection area of a wireless power transfer system is provided. The apparatus comprises a plurality of radar transceivers. The apparatus comprises a processor configured to group the plurality of radar transceivers into pairs of radar transceivers. The processor is configured to instruct each of the pairs of radar transceivers to transmit radar signals during a corresponding time slot of a plurality of time slots. The processor is configured to instruct each of the pairs of radar transceivers to receive the radar signals during the corresponding time slot of the plurality of time slots. The processor is configured to detect the object in the detection area based on at least some of the radar signals received by each of the pairs of radar transceivers.

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