WO2009044629A1 - 位置検出器 - Google Patents

位置検出器 Download PDF

Info

Publication number
WO2009044629A1
WO2009044629A1 PCT/JP2008/066700 JP2008066700W WO2009044629A1 WO 2009044629 A1 WO2009044629 A1 WO 2009044629A1 JP 2008066700 W JP2008066700 W JP 2008066700W WO 2009044629 A1 WO2009044629 A1 WO 2009044629A1
Authority
WO
WIPO (PCT)
Prior art keywords
magnetic
pair
bodies
magnets
closed
Prior art date
Application number
PCT/JP2008/066700
Other languages
English (en)
French (fr)
Inventor
Keiji Tsurumaki
Takatoshi Sakai
Original Assignee
Nippon Seiki 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 Nippon Seiki Co., Ltd. filed Critical Nippon Seiki Co., Ltd.
Publication of WO2009044629A1 publication Critical patent/WO2009044629A1/ja

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
    • G01D2205/00—Indexing scheme relating to details of means for transferring or converting the output of a sensing member
    • G01D2205/40—Position sensors comprising arrangements for concentrating or redirecting magnetic flux

Abstract

　操作手段の回動角と出力電圧との出力特性においてリニアリティを確保することが可能な位置検出器の提供する。磁気ヘッドは、対向面を有する一対の磁性体４間に一対の磁石５を配設し、前記一対の磁性体４と前記一対の磁石５とで閉磁気回路を形成してなる。移動部材３は、操作手段の操作量に応じて前記磁気ヘッドを移動させる。磁気検出体６は、磁気ヘッドにおける閉磁気回路の内部に配設され、移動部材３の移動に伴い閉磁気回路の内部に生じる漏洩磁界の変化を検出する。一対の磁性体４は、幅が漸次異なる部分を有する。
PCT/JP2008/066700 2007-10-03 2008-09-17 位置検出器 WO2009044629A1 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007259581A JP2009085913A (ja) 2007-10-03 2007-10-03 位置検出器
JP2007-259581 2007-10-03

Publications (1)

Publication Number Publication Date
WO2009044629A1 true WO2009044629A1 (ja) 2009-04-09

Family

ID=40526057

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/066700 WO2009044629A1 (ja) 2007-10-03 2008-09-17 位置検出器

Country Status (2)

Country Link
JP (1) JP2009085913A (ja)
WO (1) WO2009044629A1 (ja)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103900451A (zh) * 2012-12-27 2014-07-02 株式会社电装 位置检测器
CN103900453A (zh) * 2012-12-27 2014-07-02 株式会社电装 位置检测器
CN103900454A (zh) * 2012-12-27 2014-07-02 株式会社电装 位置检测器
CN104215164A (zh) * 2013-06-04 2014-12-17 株式会社电装 位置传感装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5904252B2 (ja) 2013-12-27 2016-04-13 株式会社デンソー 位置検出装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01244314A (ja) * 1988-03-25 1989-09-28 Fujitsu Ltd 回転ポジショナ
JPH02124507U (ja) * 1989-03-23 1990-10-15
JP2007187540A (ja) * 2006-01-13 2007-07-26 Nippon Seiki Co Ltd 角度検出器

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01244314A (ja) * 1988-03-25 1989-09-28 Fujitsu Ltd 回転ポジショナ
JPH02124507U (ja) * 1989-03-23 1990-10-15
JP2007187540A (ja) * 2006-01-13 2007-07-26 Nippon Seiki Co Ltd 角度検出器

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103900451A (zh) * 2012-12-27 2014-07-02 株式会社电装 位置检测器
CN103900453A (zh) * 2012-12-27 2014-07-02 株式会社电装 位置检测器
CN103900454A (zh) * 2012-12-27 2014-07-02 株式会社电装 位置检测器
US9810518B2 (en) 2012-12-27 2017-11-07 Denso Corporation Position detector with transmission parts defining varying gap width
CN103900454B (zh) * 2012-12-27 2019-02-15 株式会社电装 位置检测器
CN104215164A (zh) * 2013-06-04 2014-12-17 株式会社电装 位置传感装置

Also Published As

Publication number Publication date
JP2009085913A (ja) 2009-04-23

Similar Documents

Publication Publication Date Title
WO2011022190A3 (en) Absolute position sensing
WO2006109384A8 (ja) 位置検出器および位置決め装置
WO2009024119A3 (de) Linearsegment- oder umdrehungszähler mit einem ferromagnetischen element
WO2004074853A3 (en) Position sensor utilizing a linear hall-effect sensor, having a magnet arrangement for an increased linearity
WO2009073170A3 (en) Linear position sensor
WO2010034896A3 (fr) Capteur de position lineaire ou rotatif a aimant permanent pour la detection d'une cible ferromagnetique
FR2898189B1 (fr) Capteur de position a direction d'aimantation variable et procede de realisation
WO2009055285A3 (en) Absolute position magnetic encoder with binary and decimal output
WO2009044629A1 (ja) 位置検出器
WO2008094813A3 (en) Magnetic speed, direction, and/or movement extent sensor
ATE499547T1 (de) Feder, federanordnung, feder- und dämpferanordnung sowie eine feder umfassendes fahrzeug
WO2008005821A3 (en) Linear electromechanical vibrator with axially movable magnet
WO2007038657A3 (en) Variable reluctance position sensor
WO2006035055A3 (de) Magnetischer absolutpositionssensor mit variierender länge der einzelnen kodierungssegmente
SE0601269L (sv) Låsanordning
FR2919385B1 (fr) Capteur magnetique sans contact de position absolue multitour a arbre traversant
WO2007115857A3 (de) Gebervorrichtung für eine elektrische maschine
WO2008112100A3 (en) Rotary position sensor
WO2010005688A3 (en) Amr array magnetic design for improved sensor flexibility and improved air gap performance
WO2008114615A1 (ja) 磁気抵抗効果素子を用いた位置検知装置
WO2008094809A3 (en) Magnetic speed, direction, and/or movement extent sensor
WO2010124075A3 (en) Energy conversion device
EP2657651A3 (en) Position sensor
WO2017160496A8 (en) Assembly using a magnetic field sensor for detecting a rotation and a linear movement of an object
WO2009041682A1 (ja) 検知装置及び、計測装置

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 08836057

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 08836057

Country of ref document: EP

Kind code of ref document: A1