JPS5723809A - Projector for wear measurement of trolley line - Google Patents

Projector for wear measurement of trolley line

Info

Publication number
JPS5723809A
JPS5723809A JP9755880A JP9755880A JPS5723809A JP S5723809 A JPS5723809 A JP S5723809A JP 9755880 A JP9755880 A JP 9755880A JP 9755880 A JP9755880 A JP 9755880A JP S5723809 A JPS5723809 A JP S5723809A
Authority
JP
Japan
Prior art keywords
projected
light receiving
beams
projector
trolley line
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.)
Granted
Application number
JP9755880A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6333082B2 (enrdf_load_stackoverflow
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.)
JAPANESE NATIONAL RAILWAYS<JNR>
Hitachi Ltd
Japan National Railways
Hitachi High Tech Corp
Original Assignee
JAPANESE NATIONAL RAILWAYS<JNR>
Hitachi Ltd
Japan National Railways
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 JAPANESE NATIONAL RAILWAYS<JNR>, Hitachi Ltd, Japan National Railways, Hitachi Electronics Engineering Co Ltd filed Critical JAPANESE NATIONAL RAILWAYS<JNR>
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 true JPS5723809A (en) 1982-02-08
JPS6333082B2 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)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998008049A1 (de) * 1996-08-23 1998-02-26 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. 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
JP2014119334A (ja) * 2012-12-17 2014-06-30 Meidensha Corp 線条測定装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998008049A1 (de) * 1996-08-23 1998-02-26 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. 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
JP2014119334A (ja) * 2012-12-17 2014-06-30 Meidensha Corp 線条測定装置

Also Published As

Publication number Publication date
JPS6333082B2 (enrdf_load_stackoverflow) 1988-07-04

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