Title:
CARD KEY FOR VEHICLE
Document Type and Number:
Japanese Patent JP2018188084
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a card key for a vehicle, which enables wireless communication of a door-unlock signal requiring unlocking of a vehicle door, without being provided with a physical switch.SOLUTION: A card key for a vehicle, which performs first authentication using a key identifier between itself and an on-vehicle machine, comprises: an acceleration sensor; a detecting element that detects a card key rotating operation on the basis of output of the acceleration sensor; and a transmission part that transmits a door-unlock signal for requiring unlocking of a vehicle door to the on-vehicle machine so as to perform second authentication when the card key rotating operation is detected by the detecting element.SELECTED DRAWING: Figure 2
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Inventors:
ENDO TAKEO
Application Number:
JP2017094549A
Publication Date:
November 29, 2018
Filing Date:
May 11, 2017
Export Citation:
Assignee:
TOYOTA MOTOR CORP
International Classes:
B60R25/24; E05B19/00; E05B19/14; E05B49/00
Attorney, Agent or Firm:
Patent business corporation Ogasawara patent office