JPS6123352B2 - - Google Patents

Info

Publication number
JPS6123352B2
JPS6123352B2 JP5578580A JP5578580A JPS6123352B2 JP S6123352 B2 JPS6123352 B2 JP S6123352B2 JP 5578580 A JP5578580 A JP 5578580A JP 5578580 A JP5578580 A JP 5578580A JP S6123352 B2 JPS6123352 B2 JP S6123352B2
Authority
JP
Japan
Prior art keywords
photodiode
plate
groups
group
shield excavator
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
JP5578580A
Other languages
English (en)
Japanese (ja)
Other versions
JPS56153093A (en
Inventor
Tadashi Kono
Tooru Yamashita
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.)
Tekken Corp
Original Assignee
Tekken Corp
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 Tekken Corp filed Critical Tekken Corp
Priority to JP5578580A priority Critical patent/JPS56153093A/ja
Publication of JPS56153093A publication Critical patent/JPS56153093A/ja
Publication of JPS6123352B2 publication Critical patent/JPS6123352B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)
JP5578580A 1980-04-26 1980-04-26 Shielded excavation and attitude measuring device for shielded excavator Granted JPS56153093A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5578580A JPS56153093A (en) 1980-04-26 1980-04-26 Shielded excavation and attitude measuring device for shielded excavator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5578580A JPS56153093A (en) 1980-04-26 1980-04-26 Shielded excavation and attitude measuring device for shielded excavator

Publications (2)

Publication Number Publication Date
JPS56153093A JPS56153093A (en) 1981-11-26
JPS6123352B2 true JPS6123352B2 (OSRAM) 1986-06-05

Family

ID=13008549

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5578580A Granted JPS56153093A (en) 1980-04-26 1980-04-26 Shielded excavation and attitude measuring device for shielded excavator

Country Status (1)

Country Link
JP (1) JPS56153093A (OSRAM)

Also Published As

Publication number Publication date
JPS56153093A (en) 1981-11-26

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