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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 9735625 B1

PDFFull Text
Date of Patent:
Aug. 15, 2017

Filed:

May. 11, 2012

Electric power transmission device, electric power reception device, vehicle, and non-contact electric power feed system

Applicants:

Naoki Gorai, Toyota, JP;

Shinji Ichikawa, Toyota, JP;

Keisuke Inoue, Obu, JP;

Inventors:

Naoki Gorai, Toyota, JP;

Shinji Ichikawa, Toyota, JP;

Keisuke Inoue, Obu, JP;

Assignee:

TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota-shi, Aichi-ken, JP;

Attorney:

Sughrue Mion, PLLC

Primary Examiner:

Jared Fureman

Assistant Examiner:

Michael Warmflash

Int. Cl.
CPC ...
H02J 17/00 (2006.01); B60L 7/14 (2006.01); B60L 11/00 (2006.01); B60L 11/18 (2006.01); H02J 5/00 (2016.01); H02J 7/02 (2016.01); H02J 13/00 (2006.01); B60M 7/00 (2006.01);
U.S. Cl.
CPC ...
H02J 17/00 (2013.01); B60L 7/14 (2013.01); B60L 11/005 (2013.01); B60L 11/182 (2013.01); B60L 11/1833 (2013.01); B60L 11/1846 (2013.01); B60L 11/1887 (2013.01); H02J 5/005 (2013.01); H02J 7/025 (2013.01); H02J 13/0075 (2013.01); B60L 2210/10 (2013.01); B60L 2210/30 (2013.01); B60L 2210/40 (2013.01); B60L 2220/14 (2013.01); B60L 2240/72 (2013.01); B60M 7/003 (2013.01); Y02T 10/7022 (2013.01); Y02T 10/7072 (2013.01); Y02T 10/7216 (2013.01); Y02T 10/7241 (2013.01); Y02T 10/7291 (2013.01); Y02T 90/121 (2013.01); Y02T 90/122 (2013.01); Y02T 90/125 (2013.01); Y02T 90/127 (2013.01); Y02T 90/128 (2013.01); Y02T 90/14 (2013.01); Y02T 90/16 (2013.01); Y02T 90/163 (2013.01); Y02T 90/169 (2013.01); Y02T 90/34 (2013.01); Y04S 30/14 (2013.01);
Abstract

In a non-contact electric power feed system, electric power is supplied in a non-contact manner from an electric power transmission device to a vehicle representing an electric power reception device. The electric power transmission device includes an electric power transmission unit, a communication unit for radio communication with the electric power reception device, and a control device for controlling the electric power transmission unit. The control device varies transmitted electric power from the electric power transmission unit while the electric power transmission unit transmits electric power, and determines whether or not pairing between the vehicle specified as an electric power transmission target and the electric power transmission unit is appropriate, based on information on variation in electric power from the vehicle specified as the electric power transmission target through radio communication.

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