Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Masashi Watanabe0
Mitsunobu Yoshida0
Hiroyuki Shiraishi0
Katsuyuki Kamei0
Kenichi Sugo0
Date of Patent
June 4, 2019
0Patent Application Number
155006360
Date Filed
March 11, 2015
0Patent Citations
Patent Citations Received
Patent Primary Examiner
Patent abstract
A rail position measurement device that measures a three-dimensional position of a rail using a measurement vehicle includes: a position posture measurement device to measure a position and a posture of the measurement vehicle; and a laser scanner that is a sensor installed on the measurement vehicle so as to be capable of irradiating at least a web and a bottom of a side surface of the rail with laser light and used for measuring the three-dimensional position of the rail.
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