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:
Jun. 30, 2015
Filed:
Dec. 24, 2010
Ryo Takizawa, Edogawa-ku, JP;
Yoshiyuki Oya, Mitaki, JP;
Ryo Takizawa, Edogawa-ku, JP;
Yoshiyuki Oya, Mitaki, JP;
TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota-Shi, JP;
Abstract
An object of the invention is to provide an electronic key system for a vehicle capable of accurately detecting that an electronic key has been taken out of a host vehicle. An electronic key system for a vehicle according to the invention which allows the start of a host vehicle when an electronic key of the host vehicle is authenticated includes electronic key information acquisition means for acquiring information relating to the position of the electronic key, taking-out detection means for detecting that the electronic key has been taken out of the host vehicle on the basis of the information relating to the position of the electronic key acquired by the electronic key information acquisition means, and alarm means for providing a warning to notify that the electronic key has been taken out of the host vehicle.