Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
OBSTACLE DETECTION SYSTEM
Document Type and Number:
WIPO Patent Application WO/2019/155621
Kind Code:
A1
Abstract:
This obstacle detection system is a system which detects obstacles on a railroad crossing, and comprises: a detection unit that projects electromagnetic waves at a reflector installed in the railroad crossing and receives reflected waves of the electromagnetic waves; a control unit that determines, on the basis of the reflected waves, environmental conditions on the railroad crossing; and an output unit that, if the control unit determines that the environmental conditions are abnormal, outputs to the outside an obstacle presence/absence signal indicating the presence of an obstacle.

Inventors:
TOJIMA NARIFUMI (JP)
OTA NAO (JP)
SHIZUME DAI (JP)
ISHIKAWA HIKARU (JP)
HASHIZUME SHO (JP)
MAEDA MUNEHIKO (JP)
Application Number:
PCT/JP2018/004663
Publication Date:
August 15, 2019
Filing Date:
February 09, 2018
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
IHI CORP (JP)
International Classes:
B61L29/00
Foreign References:
JP2017154528A2017-09-07
JP2012237724A2012-12-06
JP2005121488A2005-05-12
JPS6040978A1985-03-04
JP2001199343A2001-07-24
JP2001030906A2001-02-06
JP2012101643A2012-05-31
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (JP)
Download PDF: