JPS58155312A - ブラシレスモータ用磁気センサ - Google Patents

ブラシレスモータ用磁気センサ

Info

Publication number
JPS58155312A
JPS58155312A JP3729682A JP3729682A JPS58155312A JP S58155312 A JPS58155312 A JP S58155312A JP 3729682 A JP3729682 A JP 3729682A JP 3729682 A JP3729682 A JP 3729682A JP S58155312 A JPS58155312 A JP S58155312A
Authority
JP
Japan
Prior art keywords
magnetic
detection
track
section
encoder
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
JP3729682A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0326324B2 (enrdf_load_stackoverflow
Inventor
Tadashi Takahashi
正 高橋
Kunio Miyashita
邦夫 宮下
Shoichi Kawamata
昭一 川又
Hiroshi Hayashida
林田 弘
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

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING 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
    • G01D5/00Mechanical 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
    • G01D5/12Mechanical 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
    • G01D5/14Mechanical 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
    • G01D5/142Mechanical 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
    • G01D5/145Mechanical 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
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING 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
    • G01D5/00Mechanical 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
    • G01D5/12Mechanical 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
    • G01D5/244Mechanical 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
    • G01D5/249Mechanical 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
    • G01D5/2497Absolute 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 true JPS58155312A (ja) 1983-09-16
JPH0326324B2 JPH0326324B2 (enrdf_load_stackoverflow) 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 (enrdf_load_stackoverflow)

Cited By (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
JP2006217672A (ja) * 2005-02-01 2006-08-17 Nidec Sankyo Corp エンコーダ付き小型モータ
US7141965B2 (en) * 2003-11-26 2006-11-28 International Business Machines Corporation Magnetic encoder system

Citations (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

Patent Citations (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

Cited By (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
JP2006217672A (ja) * 2005-02-01 2006-08-17 Nidec Sankyo Corp エンコーダ付き小型モータ

Also Published As

Publication number Publication date
JPH0326324B2 (enrdf_load_stackoverflow) 1991-04-10

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