JPS5369681A - Apparatus for measuring travelling spped and position of travelling body - Google Patents

Apparatus for measuring travelling spped and position of travelling body

Info

Publication number
JPS5369681A
JPS5369681A JP14530776A JP14530776A JPS5369681A JP S5369681 A JPS5369681 A JP S5369681A JP 14530776 A JP14530776 A JP 14530776A JP 14530776 A JP14530776 A JP 14530776A JP S5369681 A JPS5369681 A JP S5369681A
Authority
JP
Japan
Prior art keywords
travelling
travelling body
spped
measuring
slit
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
JP14530776A
Other languages
Japanese (ja)
Inventor
Kanichi Isobe
Yoshio Hatsuda
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 JP14530776A priority Critical patent/JPS5369681A/en
Publication of JPS5369681A publication Critical patent/JPS5369681A/en
Pending legal-status Critical Current

Links

Landscapes

  • Optical Transform (AREA)

Abstract

PURPOSE: To achieve simultaneous measurement of speed and position of a travelling body, with high precision and without mechanical contact to the travelling body, by detecting light transmitted through a pair of elongated parallel slits formed in the travelling body and through a slit group arranged in a plurality of vertically spaced rows which involve a different number of slit elements from each other.
COPYRIGHT: (C)1978,JPO&Japio
JP14530776A 1976-12-02 1976-12-02 Apparatus for measuring travelling spped and position of travelling body Pending JPS5369681A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14530776A JPS5369681A (en) 1976-12-02 1976-12-02 Apparatus for measuring travelling spped and position of travelling body

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14530776A JPS5369681A (en) 1976-12-02 1976-12-02 Apparatus for measuring travelling spped and position of travelling body

Publications (1)

Publication Number Publication Date
JPS5369681A true JPS5369681A (en) 1978-06-21

Family

ID=15382117

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14530776A Pending JPS5369681A (en) 1976-12-02 1976-12-02 Apparatus for measuring travelling spped and position of travelling body

Country Status (1)

Country Link
JP (1) JPS5369681A (en)

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