JPS52101065A - Magnetic scale - Google Patents

Magnetic scale

Info

Publication number
JPS52101065A
JPS52101065A JP1771476A JP1771476A JPS52101065A JP S52101065 A JPS52101065 A JP S52101065A JP 1771476 A JP1771476 A JP 1771476A JP 1771476 A JP1771476 A JP 1771476A JP S52101065 A JPS52101065 A JP S52101065A
Authority
JP
Japan
Prior art keywords
magnetic scale
scale
magnetization
magnitude
detect
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.)
Granted
Application number
JP1771476A
Other languages
Japanese (ja)
Other versions
JPS5925441B2 (en
Inventor
Hiroshi Saito
Yasuo Sugizaki
Hideki Tsuchiya
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Priority to JP1771476A priority Critical patent/JPS5925441B2/en
Publication of JPS52101065A publication Critical patent/JPS52101065A/en
Publication of JPS5925441B2 publication Critical patent/JPS5925441B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)

Abstract

PURPOSE: To detect the absolute original point with high accuracy and without placing limitation on the detecting direction by making the magnetizing pattern differ from the direction and magnitude of magnetization of a scale at the given position of a magnetic scale.
COPYRIGHT: (C)1977,JPO&Japio
JP1771476A 1976-02-20 1976-02-20 magnetic scale device Expired JPS5925441B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1771476A JPS5925441B2 (en) 1976-02-20 1976-02-20 magnetic scale device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1771476A JPS5925441B2 (en) 1976-02-20 1976-02-20 magnetic scale device

Publications (2)

Publication Number Publication Date
JPS52101065A true JPS52101065A (en) 1977-08-24
JPS5925441B2 JPS5925441B2 (en) 1984-06-18

Family

ID=11951409

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1771476A Expired JPS5925441B2 (en) 1976-02-20 1976-02-20 magnetic scale device

Country Status (1)

Country Link
JP (1) JPS5925441B2 (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59183317A (en) * 1983-03-26 1984-10-18 ドクトル・ヨハネス・ハイデンハイン・ゲゼルシヤフト・ミト・ベシユレンクテル・ハフツング Method and device for regenerating position of reference
JPS60127406A (en) * 1983-11-10 1985-07-08 Yokogawa Hewlett Packard Ltd Position measuring apparatus
JPS60236010A (en) * 1984-04-21 1985-11-22 ドクトル・ヨハネス・ハイデンハイン・ゲゼルシヤフト・ミト・ベシユレンクテル・ハフツング Measuring device for position
JPS6121U (en) * 1984-06-06 1986-01-06 東北金属工業株式会社 magnetic rotary encoder
JPS6120U (en) * 1984-06-06 1986-01-06 東北金属工業株式会社 magnetic rotary encoder
JPS6138512A (en) * 1984-07-25 1986-02-24 ドクトル・ヨハネス・ハイデンハイン・ゲゼルシヤフト・ミト・ベシユレンクテル・ハフツング Measuring device

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6015776B2 (en) 2013-01-10 2016-11-02 村田機械株式会社 Displacement sensor and displacement detection method

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59183317A (en) * 1983-03-26 1984-10-18 ドクトル・ヨハネス・ハイデンハイン・ゲゼルシヤフト・ミト・ベシユレンクテル・ハフツング Method and device for regenerating position of reference
JPS60127406A (en) * 1983-11-10 1985-07-08 Yokogawa Hewlett Packard Ltd Position measuring apparatus
JPS60236010A (en) * 1984-04-21 1985-11-22 ドクトル・ヨハネス・ハイデンハイン・ゲゼルシヤフト・ミト・ベシユレンクテル・ハフツング Measuring device for position
JPS6121U (en) * 1984-06-06 1986-01-06 東北金属工業株式会社 magnetic rotary encoder
JPS6120U (en) * 1984-06-06 1986-01-06 東北金属工業株式会社 magnetic rotary encoder
JPS6138512A (en) * 1984-07-25 1986-02-24 ドクトル・ヨハネス・ハイデンハイン・ゲゼルシヤフト・ミト・ベシユレンクテル・ハフツング Measuring device

Also Published As

Publication number Publication date
JPS5925441B2 (en) 1984-06-18

Similar Documents

Publication Publication Date Title
JPS5291331A (en) Pattern position detector
JPS51117078A (en) Magnetic field measuring method
JPS5248379A (en) Speed detecting device
JPS51117080A (en) Magnetic field measuring method using hall element
JPS51129258A (en) Displacement detector
JPS5218170A (en) Position detection method
JPS532045A (en) Coordinates read method and its device
JPS5220063A (en) Location detector
JPS51139353A (en) Apparatus of measuring the positions and widths simultaneously
JPS53127266A (en) Forming method of marker
JPS52151044A (en) Length measuring apparatus of steel materials
JPS5349989A (en) Superconductive coil
JPS5233426A (en) Mark read circuit
JPS5345547A (en) Position detector
JPS5251966A (en) Automatic measuring instrument
JPS5345518A (en) Electromagnetic type vibration sensor
JPS5345856A (en) Method of detecting overload by strain gauge of crane
JPS5366167A (en) Positioning method
JPS51147348A (en) Photoelectronic microscope
JPS5236014A (en) Magnetic head core projecting device
JPS52116121A (en) Automatic measurement method for cylindrical magnetic block#s field
JPS51151161A (en) Measuring method of tank base corner's angle and its measuring instrum ent
JPS5245959A (en) Method for measuring distance from moving body
JPS5347668A (en) Position detecting apparatus
JPS5299845A (en) Locator