Title:
DISTANCE MEASURING DEVICE, DISTANCE MEASURING SYSTEM, AND DISTANCE MEASURING METHOD
Document Type and Number:
WIPO Patent Application WO/2019/159947
Kind Code:
A1
Abstract:
Provided is a distance measuring device provided with an information acquisition unit and a distance acquisition unit, the information acquisition unit acquiring information output from a second device which is attached to a region for measuring a distance from a reference region and which acquires a sound wave or radio wave output from a first device that is attached to the reference region and outputs the sound wave or radio wave, the information acquisition unit also acquiring information regarding output from the first device, the distance acquisition unit acquiring the distance between the first device and the second device based on the information acquired.
Inventors:
TSUKADA SHINGO (JP)
NAKASHIMA HIROSHI (JP)
SOGAWA TETSUOMI (JP)
NAKASHIMA HIROSHI (JP)
SOGAWA TETSUOMI (JP)
Application Number:
PCT/JP2019/005032
Publication Date:
August 22, 2019
Filing Date:
February 13, 2019
Export Citation:
Assignee:
NIPPON TELEGRAPH & TELEPHONE (JP)
International Classes:
G01S11/14; A63B69/36; G01S7/539; G01S11/02
Domestic Patent References:
| WO2015170703A1 | 2015-11-12 |
Foreign References:
| JP2017205213A | 2017-11-24 | |||
| JP2008289866A | 2008-12-04 |
Attorney, Agent or Firm:
SHIGA INTERNATIONAL PATENT OFFICE (JP)
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