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Patent Searching and Data


Title:
OBSTACLE DETECTING DEVICE
Document Type and Number:
Japanese Patent JPH11352245
Kind Code:
A
Abstract:

To provide a small-sized obstacle detecting device with superior convenience and economy which can control an entering rolling stock, while displaying attention information on detecting an obstacle nearby rails at a station platform.

This obstacle detecting device 1 is equipped with a laser beam emitting means 4, a deflecting means 5 which uses a galvanomirror deflecting the beam light in two dimensions, a light-receiving means 6 which receives reflected light of the laser beam light, and an obstacle detecting means 2 which detects an obstacle and can control the entry of a rolling stock and display attention information on detecting the obstacle nearby the rails.


Inventors:
NISHIKI KAZUO
AOKI KOICHI
KAWAMURA HARUYASU
IKUI YOSHIHIRO
TAKEUCHI TAKU
Application Number:
JP16244998A
Publication Date:
December 24, 1999
Filing Date:
June 10, 1998
Export Citation:
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Assignee:
NIPPON SIGNAL CO LTD
International Classes:
G01V8/20; G01J1/02; G08B21/00; (IPC1-7): G01V8/20; G01J1/02; G08B21/00
Attorney, Agent or Firm:
Yoichiro Shimoda