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)
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:
Assignee:
IHI CORP (JP)
International Classes:
B61L29/00
Foreign References:
JP2017154528A | 2017-09-07 | |||
JP2012237724A | 2012-12-06 | |||
JP2005121488A | 2005-05-12 | |||
JPS6040978A | 1985-03-04 | |||
JP2001199343A | 2001-07-24 | |||
JP2001030906A | 2001-02-06 | |||
JP2012101643A | 2012-05-31 |
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (JP)
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