Login| Sign Up| Help| Contact|

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 (JP)
MUNAKATA KAZUNORI (JP)
AKAI MASAHITO (JP)
SHIMOYAMA HIROFUMI (JP)
Application Number:
PCT/JP2017/026645
Publication Date:
February 01, 2018
Filing Date:
July 24, 2017
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
EIKURA TSUSHIN CO LTD (JP)
International Classes:
B60L3/00; B61L25/02; B61K9/08; G01S13/60; G01S19/48; G01S19/50
Foreign References:
JP2013244758A2013-12-09
JP2008247217A2008-10-16
JP2014141157A2014-08-07
JP2015089150A2015-05-07
Attorney, Agent or Firm:
SAHARA Masashi et al. (JP)
Download PDF: