Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
IN-VEHICLE WIRELESS COMMUNICATION DEVICE AND DISTANCE INFORMATION DETECTION METHOD
Document Type and Number:
WIPO Patent Application WO/2019/026338
Kind Code:
A1
Abstract:
An in-vehicle wireless communication device that is mounted in a vehicle (1) and is for wireless communication with a mobile terminal (10) carried by a user of the vehicle, said in-vehicle wireless communication device comprising: a calibration information storage unit (105) for storing, in a state in which the mobile terminal has been identified, calibration information to be used in combination with the radio field strength of the mobile terminal; a wireless communication unit (101) for wirelessly communicating with the mobile terminal in a state in which the mobile terminal has been identified; a radio field strength detection unit (102) for detecting the radio field strength of the radio waves received from the mobile terminal in the wireless communication; and a distance information detection unit (104) for detecting information about the distance to the mobile terminal on the basis of the radio field strength of the radio waves received from the mobile terminal and the calibration information stored for the mobile terminal.

Inventors:
YAMAGUCHI Taichi (C/O DENSO CORPORATION, 1-1 Showa-ch, Kariya-city Aichi 61, 〒4488661, JP)
Application Number:
JP2018/012624
Publication Date:
February 07, 2019
Filing Date:
March 28, 2018
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
DENSO CORPORATION (1-1 Showa-cho, Kariya-city Aichi, 61, 〒4488661, JP)
International Classes:
G01S11/06; B60R25/24; E05B49/00; H04W4/40; H04W48/04
Domestic Patent References:
WO2016038294A22016-03-17
Foreign References:
JP2007118899A2007-05-17
JP2014025312A2014-02-06
JP2014214417A2014-11-17
US20140129051A12014-05-08
Attorney, Agent or Firm:
JIN Shunji (6th Floor, Takisada Bldg. 2-13-19, Nishiki, Naka-k, Nagoya-city Aichi 03, 〒4600003, JP)
Download PDF: