Title:
無線通信正否判定システム
Document Type and Number:
Japanese Patent JP6615050
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a wireless communication correctness determination system capable of making it difficult to establish fraud using a repeater.SOLUTION: Communication with UHF radio wave of the same frequency is performed between a vehicle 1 and an electronic key 2, the electronic key 2 calculates the reception signal strength of the radio wave from the vehicle 1, and transmits that reception signal strength, as reception signal strength information 30, to the vehicle 1. In the vehicle 1, difference of the notified reception signal strength information 30 and the reception signal strength of radio waves carrying the reception signal strength information 30 is calculated, and communication correctness of smart communication is determined, by confirming whether or not this difference is within a reference range.SELECTED DRAWING: Figure 1
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Inventors:
Kazuki Uchiki
Mori Kei
Hidenobu Hanaki
Akira Akira
Yoshiyuki Oya
Mori Kei
Hidenobu Hanaki
Akira Akira
Yoshiyuki Oya
Application Number:
JP2016115563A
Publication Date:
December 04, 2019
Filing Date:
June 09, 2016
Export Citation:
Assignee:
Tokai Rika Electric Co., Ltd.
International Classes:
H04Q9/00; B60R25/24; E05B49/00; H04W12/12; H04W88/02
Domestic Patent References:
| JP201260482A | ||||
| JP2010121297A | ||||
| JP201236582A | ||||
| JP2014139752A |
Foreign References:
| US20030071717 |
Attorney, Agent or Firm:
Makoto Onda
Hironobu Onda
Hironobu Onda