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:
Aug. 13, 2019
Filed:
Jun. 22, 2017
Toyota Jidosha Kabushiki Kaisha, Toyota-shi, JP;
Yasuhisa Fujiwara, Miyoshi, JP;
Yuichiro Haruna, Oyama, JP;
TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota-shi, JP;
Abstract
A locking and unlocking system includes: a portable terminal; a key unit; and a locking and unlocking device of a vehicle or facilities. The portable terminal includes a first sending unit sending first authentication information to the key unit. The key unit includes: a first storage unit; a first authentication unit performing authentication based on the first authentication information; a decryption unit decrypting second authentication information when the authentication by the first authentication unit is successful; and a second sending unit sending the second authentication information to the locking and unlocking device. The locking and unlocking device includes: a second authentication unit performing authentication based on the second authentication information; and a locking and unlocking unit locking or unlocking the vehicle or the facilities when the authentication by the second authentication unit is successful.