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:
Oct. 11, 2016
Filed:
Nov. 22, 2011
Yoshihiro Nakai, Kobe, JP;
Yasuaki Takimoto, Tokyo, JP;
Masahiro Abukawa, Tokyo, JP;
Takeshi Mitsui, Tokyo, JP;
Hisao Nakano, Tokyo, JP;
Yoshihiro Nakai, Kobe, JP;
Yasuaki Takimoto, Tokyo, JP;
Masahiro Abukawa, Tokyo, JP;
Takeshi Mitsui, Tokyo, JP;
Hisao Nakano, Tokyo, JP;
MITSUBISHI ELECTRIC COPORATION, Tokyo, JP;
Abstract
An electronic key system includes a lock-side terminal that is mounted in a locked object and capable of at least locking and unlocking the locked object, and a portable terminal capable of sending and receiving the electronic key to and from the lock-side terminal mounted in the locked object and the other portable terminals, and when receiving a request from the one portable terminal, the lock-side terminal generates the electronic key at random, and sends the randomly generated electronic key to the one portable terminal.