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Title:
携帯機登録システム及び携帯機登録方法
Document Type and Number:
Japanese Patent JP5685211
Kind Code:
B2
Abstract:
An immobilizer ECU (6) generates an encryption key using key generating logic, from a SEED code included in an ID code signal sent from an electronic key (2), and registers the encryption key to the immobilizer ECU (6). The immobilizer ECU (6) receives an instruction from a registration and deletion tool (8) and sends, to the electronic key (2), a deletion request signal that requests the deletion of the SEED code. The electronic key (2) deletes the SEED code from the electronic key (2) if a deletion request signal has been received.

Inventors:
河村 大輔
河合 英樹
江川 哲也
岩下 明暁
長江 敏広
遠藤 健夫
Application Number:
JP2012018584A
Publication Date:
March 18, 2015
Filing Date:
January 31, 2012
Export Citation:
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Assignee:
株式会社東海理化電機製作所
トヨタ自動車株式会社
International Classes:
H04L9/08; B60R25/04; B60R25/24; E05B49/00; E05B83/00; H04Q9/00
Attorney, Agent or Firm:
Hironori Onda
Makoto Onda