Title:
車両用電子キーシステム
Document Type and Number:
Japanese Patent JP7003820
Kind Code:
B2
Abstract:
A vehicle electronic key system includes a plurality of in-vehicle communication devices and an authentication device. Each of the plurality of in-vehicle communication devices communicates wirelessly with another in-vehicle communication device, and based on a signal transmitted from the another in-vehicle communication device, generate distance-related information that directly or indirectly indicates a distance to the another in-vehicle communication device. The authentication device specify a plurality of inter-communication device distances based on the distance-related information generated by the plurality of in-vehicle communication devices, and does not execute a vehicle control when at least one of the plurality of inter-communication device distances deviates from a predetermined normal range.
More Like This:
| JP4157201 | Bicycle lock device |
| JP6665168 | A device that controls the lock / unlock and / or start of a vehicle |
| JP2008049770 | HAND-FREE ENGINE STARTING DEVICE |
Inventors:
Tetsuya Kusumoto
Kenichiro Sanji
Takushi Shinoda
Kenichiro Sanji
Takushi Shinoda
Application Number:
JP2018074743A
Publication Date:
January 21, 2022
Filing Date:
April 09, 2018
Export Citation:
Assignee:
株式会社ＳＯＫＥＮ
International Classes:
E05B49/00; B60R25/24; G01S13/76
Domestic Patent References:
| JP20055902A | ||||
| JP201831601A |
Foreign References:
| US20170318423 |
Attorney, Agent or Firm:
Kazuyuki Yahagi
Taihei Nonobe
Takanori Kubo
Taihei Nonobe
Takanori Kubo
Previous Patent: Optical receiver
Next Patent: Control systems, control devices, control methods, and programs
Next Patent: Control systems, control devices, control methods, and programs