JPS53106165A - Meter for apex angle of prism - Google Patents

Meter for apex angle of prism

Info

Publication number
JPS53106165A
JPS53106165A JP2124277A JP2124277A JPS53106165A JP S53106165 A JPS53106165 A JP S53106165A JP 2124277 A JP2124277 A JP 2124277A JP 2124277 A JP2124277 A JP 2124277A JP S53106165 A JPS53106165 A JP S53106165A
Authority
JP
Japan
Prior art keywords
prism
meter
apex angle
elongating
improve
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
JP2124277A
Other languages
Japanese (ja)
Inventor
Reiko Matsukubo
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP2124277A priority Critical patent/JPS53106165A/en
Publication of JPS53106165A publication Critical patent/JPS53106165A/en
Pending legal-status Critical Current

Links

Landscapes

  • Length Measuring Devices By Optical Means (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)

Abstract

PURPOSE: To improve the measuring accuracy by elongating the optical path of a coherent light with the use of a reflecting mirror.
COPYRIGHT: (C)1978,JPO&Japio
JP2124277A 1977-02-28 1977-02-28 Meter for apex angle of prism Pending JPS53106165A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2124277A JPS53106165A (en) 1977-02-28 1977-02-28 Meter for apex angle of prism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2124277A JPS53106165A (en) 1977-02-28 1977-02-28 Meter for apex angle of prism

Publications (1)

Publication Number Publication Date
JPS53106165A true JPS53106165A (en) 1978-09-14

Family

ID=12049574

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2124277A Pending JPS53106165A (en) 1977-02-28 1977-02-28 Meter for apex angle of prism

Country Status (1)

Country Link
JP (1) JPS53106165A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63169510A (en) * 1987-01-08 1988-07-13 Fujitsu Ltd Fine angular displacement detector

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63169510A (en) * 1987-01-08 1988-07-13 Fujitsu Ltd Fine angular displacement detector

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