Title:
PORTABLE TERMINAL DETECTOR AND PORTABLE TERMINAL DETECTION METHOD
Document Type and Number:
WIPO Patent Application WO/2018/135148
Kind Code:
A1
Abstract:
A portable terminal detector (100) detects the present position in a vehicle cabin of a portable terminal (2) capable of wirelessly transmitting radio waves. The portable terminal detector (100) comprises an antenna reception unit that receives radio waves via an indoor antenna (20) installed in the vehicle cabin, a leakage cable reception unit that receives radio waves via a leakage cable (10) laid in the vehicle cabin, a time difference detection unit that detects the time difference between the period during which radio waves from the portable terminal were received via the indoor antenna and the period during which the radio waves were received via the leakage cable, and a portable terminal detection unit that detects the present position of the portable terminal on the laying path of the leakage cable on the basis of the time difference.
Inventors:
MATSUMOTO MUNENORI (JP)
Application Number:
PCT/JP2017/042934
Publication Date:
July 26, 2018
Filing Date:
November 30, 2017
Export Citation:
Assignee:
DENSO CORP (JP)
International Classes:
G01S5/02; B60R11/02; H04W4/40; H04W64/00; G01S5/06
Domestic Patent References:
| WO2013186877A1 | 2013-12-19 |
Foreign References:
| JP2011146909A | 2011-07-28 |
Attorney, Agent or Firm:
JIN Shunji (JP)
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