JP7767641B2 - 磁気式エンコーダ - Google Patents

磁気式エンコーダ

Info

Publication number
JP7767641B2
JP7767641B2 JP2024550943A JP2024550943A JP7767641B2 JP 7767641 B2 JP7767641 B2 JP 7767641B2 JP 2024550943 A JP2024550943 A JP 2024550943A JP 2024550943 A JP2024550943 A JP 2024550943A JP 7767641 B2 JP7767641 B2 JP 7767641B2
Authority
JP
Japan
Prior art keywords
magnetic
magnetic field
magnets
source
generation source
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.)
Active
Application number
JP2024550943A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2024079787A5 (https=
JPWO2024079787A1 (https=
Inventor
明良 堀田
武史 武舎
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric 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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of JPWO2024079787A1 publication Critical patent/JPWO2024079787A1/ja
Publication of JPWO2024079787A5 publication Critical patent/JPWO2024079787A5/ja
Application granted granted Critical
Publication of JP7767641B2 publication Critical patent/JP7767641B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G01D5/245—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 a variable number of pulses in a train
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/003—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring position, not involving coordinate determination
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/30—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring angles or tapers; for testing the alignment of axes
    • 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
    • G01D5/24428—Error prevention
    • G01D5/24433—Error prevention by mechanical means
    • G01D5/24438—Special design of the sensing element or scale

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
JP2024550943A 2022-10-11 2022-10-11 磁気式エンコーダ Active JP7767641B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2022/037887 WO2024079787A1 (ja) 2022-10-11 2022-10-11 磁気式エンコーダ

Publications (3)

Publication Number Publication Date
JPWO2024079787A1 JPWO2024079787A1 (https=) 2024-04-18
JPWO2024079787A5 JPWO2024079787A5 (https=) 2025-05-02
JP7767641B2 true JP7767641B2 (ja) 2025-11-11

Family

ID=90668944

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2024550943A Active JP7767641B2 (ja) 2022-10-11 2022-10-11 磁気式エンコーダ

Country Status (6)

Country Link
JP (1) JP7767641B2 (https=)
KR (1) KR20250054106A (https=)
CN (1) CN119998630A (https=)
DE (1) DE112022007894T5 (https=)
TW (1) TWI860109B (https=)
WO (1) WO2024079787A1 (https=)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013238485A (ja) 2012-05-15 2013-11-28 Asahi Kasei Electronics Co Ltd エンコーダ及びそれを用いたアクチュエータ
JP2019143991A (ja) 2018-02-16 2019-08-29 Tdk株式会社 磁気センサシステムおよび磁気スケール

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5936319A (en) * 1998-02-26 1999-08-10 Anorad Corporation Wireless permanent magnet linear motor with magnetically controlled armature switching and magnetic encoder
US5545985A (en) * 1994-03-16 1996-08-13 Campbell; Peter Magnetoresistive position sensor including an encoder wherein the magnetization extends greater than 0.5 times the pole pitch below the surface
JP2001227904A (ja) 2000-02-14 2001-08-24 Sumitomo Metal Mining Co Ltd 磁気スケールユニット及びその応用装置
JP2006322811A (ja) * 2005-05-19 2006-11-30 Uchiyama Mfg Corp 磁気エンコーダ及び被検出部材
JP5759867B2 (ja) * 2011-10-28 2015-08-05 山洋電気株式会社 磁気エンコーダ

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013238485A (ja) 2012-05-15 2013-11-28 Asahi Kasei Electronics Co Ltd エンコーダ及びそれを用いたアクチュエータ
JP2019143991A (ja) 2018-02-16 2019-08-29 Tdk株式会社 磁気センサシステムおよび磁気スケール

Also Published As

Publication number Publication date
TW202415925A (zh) 2024-04-16
CN119998630A (zh) 2025-05-13
WO2024079787A1 (ja) 2024-04-18
DE112022007894T5 (de) 2025-07-31
JPWO2024079787A1 (https=) 2024-04-18
KR20250054106A (ko) 2025-04-22
TWI860109B (zh) 2024-10-21

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