JPS6247241B2 - - Google Patents

Info

Publication number
JPS6247241B2
JPS6247241B2 JP4883680A JP4883680A JPS6247241B2 JP S6247241 B2 JPS6247241 B2 JP S6247241B2 JP 4883680 A JP4883680 A JP 4883680A JP 4883680 A JP4883680 A JP 4883680A JP S6247241 B2 JPS6247241 B2 JP S6247241B2
Authority
JP
Japan
Prior art keywords
coil
cable
angle
distance
induced
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
JP4883680A
Other languages
English (en)
Japanese (ja)
Other versions
JPS56145304A (en
Inventor
Tetsuya Nishiki
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.)
Komatsu Ltd
Original Assignee
Komatsu 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 Komatsu Ltd filed Critical Komatsu Ltd
Priority to JP4883680A priority Critical patent/JPS56145304A/ja
Publication of JPS56145304A publication Critical patent/JPS56145304A/ja
Publication of JPS6247241B2 publication Critical patent/JPS6247241B2/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
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/003—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring position, not involving coordinate determination

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Navigation (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
JP4883680A 1980-04-14 1980-04-14 Position detector Granted JPS56145304A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4883680A JPS56145304A (en) 1980-04-14 1980-04-14 Position detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4883680A JPS56145304A (en) 1980-04-14 1980-04-14 Position detector

Publications (2)

Publication Number Publication Date
JPS56145304A JPS56145304A (en) 1981-11-12
JPS6247241B2 true JPS6247241B2 (en]) 1987-10-07

Family

ID=12814323

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4883680A Granted JPS56145304A (en) 1980-04-14 1980-04-14 Position detector

Country Status (1)

Country Link
JP (1) JPS56145304A (en])

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5759113A (en) * 1980-09-27 1982-04-09 Shinko Electric Co Ltd Route sensor of unmanned vehicle of electromagnetic guidance system
JPH0652175B2 (ja) * 1984-11-22 1994-07-06 日本電信電話株式会社 管埋設機の掘進状態監視装置
JPH0735971B2 (ja) * 1985-07-01 1995-04-19 日立建機株式会社 掘進機の位置検出装置
JPH0735970B2 (ja) * 1985-07-01 1995-04-19 日立建機株式会社 掘進機の位置検出装置
JPS625115A (ja) * 1985-07-01 1987-01-12 Hitachi Constr Mach Co Ltd 掘進機の位置検出装置
JPH0735972B2 (ja) * 1985-07-01 1995-04-19 日立建機株式会社 掘進機の位置検出装置
JPS625121A (ja) * 1985-07-01 1987-01-12 Hitachi Constr Mach Co Ltd 掘進機の位置検出装置

Also Published As

Publication number Publication date
JPS56145304A (en) 1981-11-12

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