JPH0318128B2 - - Google Patents

Info

Publication number
JPH0318128B2
JPH0318128B2 JP11463581A JP11463581A JPH0318128B2 JP H0318128 B2 JPH0318128 B2 JP H0318128B2 JP 11463581 A JP11463581 A JP 11463581A JP 11463581 A JP11463581 A JP 11463581A JP H0318128 B2 JPH0318128 B2 JP H0318128B2
Authority
JP
Japan
Prior art keywords
target
light
excavator
laser beam
shield
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
JP11463581A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5796213A (en
Inventor
Mitsuo Miura
Hiromichi Yamada
Kimio Kikuchi
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.)
Takenaka Komuten Co Ltd
Original Assignee
Takenaka Komuten 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 Takenaka Komuten Co Ltd filed Critical Takenaka Komuten Co Ltd
Priority to JP11463581A priority Critical patent/JPS5796213A/ja
Publication of JPS5796213A publication Critical patent/JPS5796213A/ja
Publication of JPH0318128B2 publication Critical patent/JPH0318128B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
    • G01C15/002—Active optical surveying means

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
JP11463581A 1981-07-22 1981-07-22 Measurement of excavation direction and position of shielded excavator and apparatus used therefor Granted JPS5796213A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11463581A JPS5796213A (en) 1981-07-22 1981-07-22 Measurement of excavation direction and position of shielded excavator and apparatus used therefor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11463581A JPS5796213A (en) 1981-07-22 1981-07-22 Measurement of excavation direction and position of shielded excavator and apparatus used therefor

Publications (2)

Publication Number Publication Date
JPS5796213A JPS5796213A (en) 1982-06-15
JPH0318128B2 true JPH0318128B2 (enrdf_load_stackoverflow) 1991-03-11

Family

ID=14642751

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11463581A Granted JPS5796213A (en) 1981-07-22 1981-07-22 Measurement of excavation direction and position of shielded excavator and apparatus used therefor

Country Status (1)

Country Link
JP (1) JPS5796213A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59154291A (ja) * 1983-02-21 1984-09-03 明星電気株式会社 掘削機進行方向制御装置
US4904081A (en) * 1987-11-24 1990-02-27 Kenji Miyahara Surveying apparatus

Also Published As

Publication number Publication date
JPS5796213A (en) 1982-06-15

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