JPS6333082B2 - - Google Patents

Info

Publication number
JPS6333082B2
JPS6333082B2 JP9755880A JP9755880A JPS6333082B2 JP S6333082 B2 JPS6333082 B2 JP S6333082B2 JP 9755880 A JP9755880 A JP 9755880A JP 9755880 A JP9755880 A JP 9755880A JP S6333082 B2 JPS6333082 B2 JP S6333082B2
Authority
JP
Japan
Prior art keywords
trolley wire
light
projector
optical path
image receiver
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
JP9755880A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5723809A (en
Inventor
Takashi Hichiwa
Shinji Abe
Hiroshi Gamagahara
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Railway Technical Research Institute
Hitachi Ltd
Hitachi High Tech Corp
Original Assignee
Railway Technical Research Institute
Hitachi Ltd
Hitachi Electronics Engineering Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Railway Technical Research Institute, Hitachi Ltd, Hitachi Electronics Engineering Co Ltd filed Critical Railway Technical Research Institute
Priority to JP9755880A priority Critical patent/JPS5723809A/ja
Publication of JPS5723809A publication Critical patent/JPS5723809A/ja
Publication of JPS6333082B2 publication Critical patent/JPS6333082B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
    • G01B11/04—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness specially adapted for measuring length or width of objects while moving
    • G01B11/046—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness specially adapted for measuring length or width of objects while moving for measuring width

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices By Optical Means (AREA)
JP9755880A 1980-07-18 1980-07-18 Projector for wear measurement of trolley line Granted JPS5723809A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9755880A JPS5723809A (en) 1980-07-18 1980-07-18 Projector for wear measurement of trolley line

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9755880A JPS5723809A (en) 1980-07-18 1980-07-18 Projector for wear measurement of trolley line

Publications (2)

Publication Number Publication Date
JPS5723809A JPS5723809A (en) 1982-02-08
JPS6333082B2 true JPS6333082B2 (enrdf_load_stackoverflow) 1988-07-04

Family

ID=14195561

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9755880A Granted JPS5723809A (en) 1980-07-18 1980-07-18 Projector for wear measurement of trolley line

Country Status (1)

Country Link
JP (1) JPS5723809A (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19634060C1 (de) * 1996-08-23 1998-01-22 Fraunhofer Ges Forschung Fahrdrahtmeßvorrichtung
JP2007271446A (ja) * 2006-03-31 2007-10-18 Meidensha Corp 画像処理によるトロリ線摩耗測定装置
JP5987194B2 (ja) * 2012-12-17 2016-09-07 株式会社明電舎 線条測定装置

Also Published As

Publication number Publication date
JPS5723809A (en) 1982-02-08

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