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Patent Searching and Data


Title:
RAILROAD VEHICLE LOCATION MEASURING SYSTEM
Document Type and Number:
WIPO Patent Application WO/2018/021225
Kind Code:
A1
Abstract:
In the present invention, a location of track irregularity can be accurately identified by use of receiver position information and speed information obtained from a satellite positioning radio wave receiver and speed information obtained from a Doppler sensor used for detecting a Doppler phenomenon in electromagnetic waves. Provided by this technology is a simple railroad vehicle location measuring system capable of automatically and accurately acquiring a location of railroad track irregularity.

Inventors:
MIURA Yoshio (Ltd. Fukushima Plant 180, Saen 2-chome, Nihonmatsu-sh, Fukushima 13, 〒9640913, JP)
MUNAKATA Kazunori (Ltd. Fukushima Plant 180, Saen 2-chome, Nihonmatsu-sh, Fukushima 13, 〒9640913, JP)
AKAI Masahito (Ltd. Fukushima Plant 180, Saen 2-chome, Nihonmatsu-sh, Fukushima 13, 〒9640913, JP)
SHIMOYAMA Hirofumi (Ltd. Fukushima Plant 180, Saen 2-chome, Nihonmatsu-sh, Fukushima 13, 〒9640913, JP)
Application Number:
JP2017/026645
Publication Date:
February 01, 2018
Filing Date:
July 24, 2017
Export Citation:
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Assignee:
EIKURA TSUSHIN CO., LTD. (8-5 Kitamachi 4-chome, Warabi-shi Saitama, 01, 〒3350001, JP)
International Classes:
B61L25/02; B60L3/00; B61K9/08; G01S13/60; G01S19/48; G01S19/50
Attorney, Agent or Firm:
SAHARA Masashi et al. (SIGHT PATENT, 5th Floor Omiyamiki Bldg., 9-18, Sakuragicho 1-chome, Omiya-ku, Saitama-sh, Saitama 54, 〒3300854, JP)
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