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.:
Date of Patent:
Jan. 24, 2017
Filed:
May. 23, 2012
Kengo Maikawa, Kawasaki, JP;
Tomoya Imazu, Yokohama, JP;
Kengo Maikawa, Kawasaki, JP;
Tomoya Imazu, Yokohama, JP;
NISSAN MOTOR CO., LTD., Yokohama-Shi, JP;
Abstract
This contactless electricity supply device, which contactlessly performs charging of the battery () of a vehicle, is provided with: an electricity transmission coil () disposed at a road surface; and an electricity reception coil () disposed in the vehicle. A foreign object detection coil () is provided to the upper surface of the electricity transmission coil (), and on the basis of induced voltage arising at the foreign object detection coil () during a trial electricity supply, foreign objects between the electricity transmission coil () and the electricity reception coil () are detected.