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:
Sep. 16, 2008
Filed:
Oct. 16, 2003
Takehito Sugawara, Miyagi-ken, JP;
Takehito Sugawara, Miyagi-ken, JP;
Alps Electric Co., Ltd, Tokyo, JP;
Abstract
A handling device of security data of a vehicle includes: an in-vehicle unit having a portable unit authenticating unit, an EEPROM, a ROM, and a controller; a vehicle having the in-vehicle unit, a door locking mechanism, and a communication unit; and a portable unit for locking or unlocking the door locking mechanism of the vehicle. In the above device, an encryption unit for encrypting the security data with a cipher key is interposed between the controller and the EEPROM, the security data is encrypted with the cipher key and stored into the EEPROM, according to the instruction from the controller based on the authentication result of the portable unit authenticating unit, and the cipher key is stored into the ROM.