Title:
CONTROL SYSTEM
Document Type and Number:
WIPO Patent Application WO/2014/119225
Kind Code:
A1
Abstract:
Provided is a control system capable of preventing relay attack damage. In a control system according to an embodiment, an electronic key (3) is provided with a GPS unit (35) that calculates the position of the GPS unit. Upon reception of an LF signal requesting the return of an ID, the key (3) transmits the calculated position information as an RF signal, together with an ID (34). A vehicle (2) is also capable of calculating the position of the vehicle using a navigation ECU (7). When the vehicle (2) receives the RF signal, unlocking of a door of the vehicle (2), engine start, and the like are permitted if the position of the key (3) is proper as viewed from the position of the vehicle, such as near the vehicle (2), and if the received ID is successfully verified.
Inventors:
YAMAGUCHI TAICHI (JP)
Application Number:
PCT/JP2014/000030
Publication Date:
August 07, 2014
Filing Date:
January 08, 2014
Export Citation:
Assignee:
DENSO CORP (JP)
International Classes:
H04Q9/00; B60R25/24; H03J9/02; H04W64/00; H04W84/10; E05B49/00
Foreign References:
| JP2006118886A | 2006-05-11 | |||
| JP2003148017A | 2003-05-21 | |||
| JP2011052412A | 2011-03-17 | |||
| JP2005163522A | 2005-06-23 |
Attorney, Agent or Firm:
KIN, Junhi (JP)
Gold Junki (JP)
Gold Junki (JP)
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