JPH01107905U - - Google Patents

Info

Publication number
JPH01107905U
JPH01107905U JP291788U JP291788U JPH01107905U JP H01107905 U JPH01107905 U JP H01107905U JP 291788 U JP291788 U JP 291788U JP 291788 U JP291788 U JP 291788U JP H01107905 U JPH01107905 U JP H01107905U
Authority
JP
Japan
Prior art keywords
measurement
mirror
laser
measuring device
length measuring
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.)
Pending
Application number
JP291788U
Other languages
English (en)
Japanese (ja)
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 filed Critical
Priority to JP291788U priority Critical patent/JPH01107905U/ja
Publication of JPH01107905U publication Critical patent/JPH01107905U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Instruments For Measurement Of Length By Optical Means (AREA)
JP291788U 1988-01-13 1988-01-13 Pending JPH01107905U (en:Method)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP291788U JPH01107905U (en:Method) 1988-01-13 1988-01-13

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP291788U JPH01107905U (en:Method) 1988-01-13 1988-01-13

Publications (1)

Publication Number Publication Date
JPH01107905U true JPH01107905U (en:Method) 1989-07-20

Family

ID=31204097

Family Applications (1)

Application Number Title Priority Date Filing Date
JP291788U Pending JPH01107905U (en:Method) 1988-01-13 1988-01-13

Country Status (1)

Country Link
JP (1) JPH01107905U (en:Method)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007285872A (ja) * 2006-04-17 2007-11-01 Mitsutoyo Corp 光路差増倍装置
JP2009288071A (ja) * 2008-05-29 2009-12-10 Mitsutoyo Corp 光路長増倍装置
JP2017053771A (ja) * 2015-09-10 2017-03-16 公益財団法人鉄道総合技術研究所 ひび割れ測定装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5866913A (ja) * 1981-10-16 1983-04-21 Agency Of Ind Science & Technol レ−ザ干渉計等のための光路差増倍装置
JPS60113101A (ja) * 1983-11-04 1985-06-19 ジエームズ　エイ　プリチヤード 波長歪みの減少装置
JPS61221606A (ja) * 1985-03-28 1986-10-02 Toshiba Corp 微小変位測定装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5866913A (ja) * 1981-10-16 1983-04-21 Agency Of Ind Science & Technol レ−ザ干渉計等のための光路差増倍装置
JPS60113101A (ja) * 1983-11-04 1985-06-19 ジエームズ　エイ　プリチヤード 波長歪みの減少装置
JPS61221606A (ja) * 1985-03-28 1986-10-02 Toshiba Corp 微小変位測定装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007285872A (ja) * 2006-04-17 2007-11-01 Mitsutoyo Corp 光路差増倍装置
JP2009288071A (ja) * 2008-05-29 2009-12-10 Mitsutoyo Corp 光路長増倍装置
JP2017053771A (ja) * 2015-09-10 2017-03-16 公益財団法人鉄道総合技術研究所 ひび割れ測定装置

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