JPH0326324B2 - - Google Patents

Info

Publication number
JPH0326324B2
JPH0326324B2 JP57037296A JP3729682A JPH0326324B2 JP H0326324 B2 JPH0326324 B2 JP H0326324B2 JP 57037296 A JP57037296 A JP 57037296A JP 3729682 A JP3729682 A JP 3729682A JP H0326324 B2 JPH0326324 B2 JP H0326324B2
Authority
JP
Japan
Prior art keywords
magnetic
motor
track
position detection
phase
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.)
Expired - Lifetime
Application number
JP57037296A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58155312A (ja
Inventor
Tadashi Takahashi
Kunio Myashita
Shoichi Kawamata
Hiroshi Hayashida
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP3729682A priority Critical patent/JPS58155312A/ja
Publication of JPS58155312A publication Critical patent/JPS58155312A/ja
Publication of JPH0326324B2 publication Critical patent/JPH0326324B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
    • G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
    • G01D5/142—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage using Hall-effect devices
    • G01D5/145—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage using Hall-effect devices influenced by the relative movement between the Hall device and magnetic fields
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
    • G01D5/244—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing characteristics of pulses or pulse trains; generating pulses or pulse trains
    • G01D5/249—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing characteristics of pulses or pulse trains; generating pulses or pulse trains using pulse code
    • G01D5/2497—Absolute encoders

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Linear Or Angular Velocity Measurement And Their Indicating Devices (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
JP3729682A 1982-03-11 1982-03-11 ブラシレスモータ用磁気センサ Granted JPS58155312A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3729682A JPS58155312A (ja) 1982-03-11 1982-03-11 ブラシレスモータ用磁気センサ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3729682A JPS58155312A (ja) 1982-03-11 1982-03-11 ブラシレスモータ用磁気センサ

Publications (2)

Publication Number Publication Date
JPS58155312A JPS58155312A (ja) 1983-09-16
JPH0326324B2 true JPH0326324B2 (en]) 1991-04-10

Family

ID=12493736

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3729682A Granted JPS58155312A (ja) 1982-03-11 1982-03-11 ブラシレスモータ用磁気センサ

Country Status (1)

Country Link
JP (1) JPS58155312A (en])

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60161519A (ja) * 1984-02-01 1985-08-23 Hitachi Ltd 磁気式ロ−タリ−エンコ−ダ
US7141965B2 (en) * 2003-11-26 2006-11-28 International Business Machines Corporation Magnetic encoder system
JP4592435B2 (ja) * 2005-02-01 2010-12-01 日本電産サンキョー株式会社 エンコーダ付き小型モータ

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5860215A (ja) * 1981-10-06 1983-04-09 Hitachi Ltd 位置検出付エンコ−ダ

Also Published As

Publication number Publication date
JPS58155312A (ja) 1983-09-16

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