JPS52104151A - Position detector device - Google Patents

Position detector device

Info

Publication number
JPS52104151A
JPS52104151A JP1939576A JP1939576A JPS52104151A JP S52104151 A JPS52104151 A JP S52104151A JP 1939576 A JP1939576 A JP 1939576A JP 1939576 A JP1939576 A JP 1939576A JP S52104151 A JPS52104151 A JP S52104151A
Authority
JP
Japan
Prior art keywords
position detector
detector device
marks
scalings
occurance
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
JP1939576A
Other languages
Japanese (ja)
Inventor
Akihiro Akamatsu
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP1939576A priority Critical patent/JPS52104151A/en
Publication of JPS52104151A publication Critical patent/JPS52104151A/en
Pending legal-status Critical Current

Links

Landscapes

  • Length Measuring Devices By Optical Means (AREA)
  • Optical Transform (AREA)

Abstract

PURPOSE: To detect the position of the moving object as well as detecting the occurance of abnormal condition in the soonest possible time, by checking an error in counting marks, as the special marks are fixed on the scale in a certain constant interval beside the ordinary scalings.
COPYRIGHT: (C)1977,JPO&Japio
JP1939576A 1976-02-26 1976-02-26 Position detector device Pending JPS52104151A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1939576A JPS52104151A (en) 1976-02-26 1976-02-26 Position detector device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1939576A JPS52104151A (en) 1976-02-26 1976-02-26 Position detector device

Publications (1)

Publication Number Publication Date
JPS52104151A true JPS52104151A (en) 1977-09-01

Family

ID=11998080

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1939576A Pending JPS52104151A (en) 1976-02-26 1976-02-26 Position detector device

Country Status (1)

Country Link
JP (1) JPS52104151A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5956509U (en) * 1982-10-08 1984-04-13 三井化学株式会社 optical extensometer
JP2016161425A (en) * 2015-03-03 2016-09-05 キヤノン株式会社 Position detector and device including the same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5956509U (en) * 1982-10-08 1984-04-13 三井化学株式会社 optical extensometer
JP2016161425A (en) * 2015-03-03 2016-09-05 キヤノン株式会社 Position detector and device including the same

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