JPS5438157A - Length measuring apparatus - Google Patents

Length measuring apparatus

Info

Publication number
JPS5438157A
JPS5438157A JP10527277A JP10527277A JPS5438157A JP S5438157 A JPS5438157 A JP S5438157A JP 10527277 A JP10527277 A JP 10527277A JP 10527277 A JP10527277 A JP 10527277A JP S5438157 A JPS5438157 A JP S5438157A
Authority
JP
Japan
Prior art keywords
measuring apparatus
length measuring
movement start
time
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
JP10527277A
Other languages
Japanese (ja)
Inventor
Michio Oomichi
Hiroshi Asano
Kohei Noro
Giichi Takazawa
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric 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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP10527277A priority Critical patent/JPS5438157A/en
Publication of JPS5438157A publication Critical patent/JPS5438157A/en
Pending legal-status Critical Current

Links

Landscapes

  • Length Measuring Devices By Optical Means (AREA)

Abstract

PURPOSE: To measure lengths accurately by providing circuits of correcting the time loss from the movement start of the object up to the measurement start of the measuring apparatus in the case of measuring the length of the objects from the time of movement start and stop by the reflected light from the object passing through a grating form slit.
COPYRIGHT: (C)1979,JPO&Japio
JP10527277A 1977-09-01 1977-09-01 Length measuring apparatus Pending JPS5438157A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10527277A JPS5438157A (en) 1977-09-01 1977-09-01 Length measuring apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10527277A JPS5438157A (en) 1977-09-01 1977-09-01 Length measuring apparatus

Publications (1)

Publication Number Publication Date
JPS5438157A true JPS5438157A (en) 1979-03-22

Family

ID=14403020

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10527277A Pending JPS5438157A (en) 1977-09-01 1977-09-01 Length measuring apparatus

Country Status (1)

Country Link
JP (1) JPS5438157A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62276403A (en) * 1986-05-24 1987-12-01 Nikon Corp Shape measuring apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62276403A (en) * 1986-05-24 1987-12-01 Nikon Corp Shape measuring apparatus

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