JPS6161321B2 - - Google Patents

Info

Publication number
JPS6161321B2
JPS6161321B2 JP13280A JP13280A JPS6161321B2 JP S6161321 B2 JPS6161321 B2 JP S6161321B2 JP 13280 A JP13280 A JP 13280A JP 13280 A JP13280 A JP 13280A JP S6161321 B2 JPS6161321 B2 JP S6161321B2
Authority
JP
Japan
Prior art keywords
center
laser
position detector
laser beam
cylindrical structure
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
JP13280A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5697811A (en
Inventor
Hiroshi Nomura
Takeshi Nakatsuru
Akira Hirai
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP13280A priority Critical patent/JPS5697811A/ja
Publication of JPS5697811A publication Critical patent/JPS5697811A/ja
Publication of JPS6161321B2 publication Critical patent/JPS6161321B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Length Measuring Devices By Optical Means (AREA)
JP13280A 1980-01-07 1980-01-07 Method and device for indexing center Granted JPS5697811A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13280A JPS5697811A (en) 1980-01-07 1980-01-07 Method and device for indexing center

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13280A JPS5697811A (en) 1980-01-07 1980-01-07 Method and device for indexing center

Publications (2)

Publication Number Publication Date
JPS5697811A JPS5697811A (en) 1981-08-06
JPS6161321B2 true JPS6161321B2 (enrdf_load_stackoverflow) 1986-12-25

Family

ID=11465498

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13280A Granted JPS5697811A (en) 1980-01-07 1980-01-07 Method and device for indexing center

Country Status (1)

Country Link
JP (1) JPS5697811A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS5697811A (en) 1981-08-06

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