Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
MEASURING DEVICE AND MEASURING METHOD
Document Type and Number:
WIPO Patent Application WO/2018/011894
Kind Code:
A1
Abstract:
In this measuring device, when a beam member having a predetermined length is moved over and in contact with rails by two rollers spaced apart from each other by a preset distance, the angular velocity acting on the beam member is detected, and the product of the detected angular velocity and the two-point distance between the contact points with the two rollers is calculated as a track misalignment amount in the midpoint between the two contact points.

More Like This:
JP6802555Railroad vehicle position measurement system
WO/2023/127037INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING METHOD, AND COMPUTER-READABLE MEDIUM
JPH08258714DETECTION SYSTEM OF MARK FOR ROADWAY MAINTENANCE
Inventors:
NAGANUMA YASUKUNI (JP)
YADA TARO (JP)
Application Number:
PCT/JP2016/070573
Publication Date:
January 18, 2018
Filing Date:
July 12, 2016
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
TOKAI RYOKAKU TETSUDO KK (JP)
International Classes:
B61K9/08; E01B35/04; G01B21/00
Foreign References:
JP2012251840A2012-12-20
JP2009019919A2009-01-29
JP2004251842A2004-09-09
JP2001063570A2001-03-13
JPH05196465A1993-08-06
Other References:
See also references of EP 3486136A4
Attorney, Agent or Firm:
NAGOYA INTERNATIONAL PATENT FIRM (JP)
Download PDF:
View/Download PDF      PDF Help



 
Previous Patent: OPTICAL COMPONENT AND OPTICAL MODULE

Next Patent: DATA PROCESSING FLOW MANAGEMENT SYSTEM AND METHOD