KR900007100B1 - 무접점 전위차계 - Google Patents
무접점 전위차계 Download PDFInfo
- Publication number
- KR900007100B1 KR900007100B1 KR1019870008259A KR870008259A KR900007100B1 KR 900007100 B1 KR900007100 B1 KR 900007100B1 KR 1019870008259 A KR1019870008259 A KR 1019870008259A KR 870008259 A KR870008259 A KR 870008259A KR 900007100 B1 KR900007100 B1 KR 900007100B1
- Authority
- KR
- South Korea
- Prior art keywords
- magnetoresistive element
- magnetic field
- permanent magnet
- magnet
- magnetoresistive
- 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
Links
- 230000005291 magnetic effect Effects 0.000 claims description 122
- 239000000463 material Substances 0.000 claims description 21
- 239000003302 ferromagnetic material Substances 0.000 claims description 10
- 239000007787 solid Substances 0.000 claims description 4
- 230000004323 axial length Effects 0.000 claims description 3
- 230000001939 inductive effect Effects 0.000 claims 1
- 239000000758 substrate Substances 0.000 description 48
- 230000005415 magnetization Effects 0.000 description 15
- 230000008859 change Effects 0.000 description 12
- 230000004907 flux Effects 0.000 description 10
- 230000005294 ferromagnetic effect Effects 0.000 description 9
- 239000011810 insulating material Substances 0.000 description 7
- WPYVAWXEWQSOGY-UHFFFAOYSA-N indium antimonide Chemical compound [Sb]#[In] WPYVAWXEWQSOGY-UHFFFAOYSA-N 0.000 description 6
- 239000000696 magnetic material Substances 0.000 description 6
- 230000004048 modification Effects 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 229910052738 indium Inorganic materials 0.000 description 2
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000006247 magnetic powder Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 241000021559 Dicerandra Species 0.000 description 1
- 229910000640 Fe alloy Inorganic materials 0.000 description 1
- 235000010654 Melissa officinalis Nutrition 0.000 description 1
- 229910000990 Ni alloy Inorganic materials 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000865 liniment Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N50/00—Galvanomagnetic devices
- H10N50/10—Magnetoresistive devices
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N50/00—Galvanomagnetic devices
- H10N50/80—Constructional details
Landscapes
- Transmission And Conversion Of Sensor Element Output (AREA)
- Hall/Mr Elements (AREA)
- Adjustable Resistors (AREA)
Abstract
Description
Claims (16)
- 강자성재로 제작되는 자기저항소자와 상기 자기저항소자의 포화자계의 세기보다 크거나 같은 절대값을 가지는 자계를 자기저항소자에 인가하는 장치와, 상기한 자계를 인가하는 장치를 자기저항소자에 대해서 이동시켜주는 장치등으로 구성되는 무접점 전위차계.
- 제1항에 있어서, 자기저항소자에 자계를 인가하는 장치는 자석임을 특징으로 하는 무접점 전위차계.
- 제2항에 있어서, 자기저항소자는 원형이고, 자석은 반원형이며, 원형의 자기저항소자에 대해서 동축상에 위치하고, 원형 자기저항소자의 축을 중심으로 하여 회전 가능한 것을 특징으로 하는 무접점 전위차계.
- 제3항에 있어서, 원형의 자기저항소자에 인가되는 자계는 자기저항소자에 대해서 방사방향으로 연장되는 것을 특징으로 하는 무접점 전위차계.
- 제3항에 있어서, 반원형의 자석에 자기쉬일드가 접속되는 것을 특징으로 하는 무접점 전위차계.
- 제3항에 있어서, 자석은 바깥쪽으로 구부러진 단부를 갖는 것을 특징으로 하는 무접점 전위차계.
- 제2항에 있어서, 자기저항소자는 띠형이고, 자석도 띠형이면서 자기저항소자와 평행을 이루며, 이자석은 자기저항소자에 대해서 자기저항소자의 길이방향으로 이동가능한 것을 특징으로 하는 무접점 전위차계.
- 제2항에 있어서, 자석은 직사각형이고, 자기저항소자는 나선형인 제1부분 및 제2부분으로 구성되며, 이 나선형의 제1부분 및 제2부분의 내측단부는 서로 전기적 접속되는 것을 특징으로 하는 무접점 전위차계.
- 제1항에 있어서, 자기저항소자에 자계를 인가하는 장치는 자계를 발생하는 장치와 발생된 자계를 자기저항소자로 유도하는 장치등으로 구성되는 것을 특징으로 하는 무접점 전위차계.
- 제9항에 있어서, 자기저항소자는 원형이고, 자계를 발생시키는 장치와 자계를 유도하는 장치는 원형자기저항소자의 축을 중심으로 회전가능하고, 상기 자계유동장치는 수평부분들을 갖는 요우크로 구성되며, 이 수평부분들 사이로 자기저항소자의 일부가 연장되는 것을 특징으로 하는 무접점 전위차계.
- 제2항에 있어서, 자석은 자기저항소자의 한쪽 부분과 서로 대향되게 배치되고, 자기저항소자는 원형이며, 자석에 대향하는 자기저항소자의 한쪽부분에 인가되는 자계는 축방향으로 인가되고, 자석에 대향하지않는 자기저항소자의 다른쪽부분에는 방사방향의 자계가 인가되는 것을 특징으로 하는 무접점 전위차계.
- 제11항에 있어서, 원형 자기저항소자의 방사상 길이는 축상길이보다 큰것을 특징으로 하는 무접점 전위차계.
- 제l1항에 있어서, 자석은 직사각형인 것을 특징으로 하는 무접점 전위차계.
- 제2항에 있어서, 자석은 가요성의 재료로 제작되는 것을 특징으로 하는 무접점 전위차계.
- 인가되는 자계가 일정값을 초과하면 저항값이 일정하게 불변하는 재료로 제작된 자기저항소자와, 상기 한 일정값을 초과하는 세기의 자계를 자기저항소자의 일부분에 인가하는 장치와, 자기저항소자에 인가되는 자계를 이동시켜 주는 장치등으로 구성되는 무접점 전위차계.
- 강자성재로 제작되는 자기저항소자와, 자기저항소자에게 고정적인 제1자계를 인가하는 장치와, 자기저항소자에게 제2자계를 인가하는 장치와, 제2자계를 자기저항소자에 대해서 이동시켜주는 장치등으로 구성되며, 상기한 제1자계 및 제2자계의 절대값의 합은 자기저항소자의 포화자계의 세기보다 크거나 같은 무접점 전위차계.
Applications Claiming Priority (19)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP198776 | 1982-11-12 | ||
| JP178322 | 1986-07-29 | ||
| JP86-178322 | 1986-07-29 | ||
| JP61178322A JPH0785441B2 (ja) | 1986-07-29 | 1986-07-29 | 回転角度検出装置 |
| JP86-177726 | 1986-07-30 | ||
| JP177726 | 1986-07-30 | ||
| JP61177726A JPS6336585A (ja) | 1986-07-30 | 1986-07-30 | 非接触ポテンシヨメ−タ |
| JP61198776A JPH0777166B2 (ja) | 1986-08-25 | 1986-08-25 | 非接触式ポテンシヨメ−タ |
| JP61198775A JPS6354782A (ja) | 1986-08-25 | 1986-08-25 | 非接触式ポテンシヨメ−タ |
| JP61198777A JPH077725B2 (ja) | 1986-08-25 | 1986-08-25 | 非接触式ポテンシヨメ−タ |
| JP198777 | 1986-08-25 | ||
| JP86-198774?5 | 1986-08-25 | ||
| JP198773 | 1986-08-25 | ||
| JP198774 | 1986-08-25 | ||
| JP61198773A JPH0777164B2 (ja) | 1986-08-25 | 1986-08-25 | 非接触式ポテンシヨメ−タ |
| JP61198774A JPH0777165B2 (ja) | 1986-08-25 | 1986-08-25 | 非接触式ポテンシヨメ−タ |
| JP62023195A JPH0834141B2 (ja) | 1987-02-02 | 1987-02-02 | 非接触ポジシヨンセンサ |
| JP23195 | 1987-02-02 | ||
| JP198775 | 1987-08-07 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR880002017A KR880002017A (ko) | 1988-04-28 |
| KR900007100B1 true KR900007100B1 (ko) | 1990-09-28 |
Family
ID=27571954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019870008259A Expired KR900007100B1 (ko) | 1986-07-29 | 1987-07-29 | 무접점 전위차계 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4835509A (ko) |
| EP (1) | EP0255052B1 (ko) |
| KR (1) | KR900007100B1 (ko) |
| DE (1) | DE3788831T2 (ko) |
Families Citing this family (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4987400A (en) * | 1989-08-11 | 1991-01-22 | Rochester Gauges, Inc. | Magnetically driven variable resistor gauge |
| US5365155A (en) * | 1990-10-22 | 1994-11-15 | Marquardt Gmbh | Rotational speed control and use of same to control the rotational speed of an electric hand tool motor |
| US5475304A (en) * | 1993-10-01 | 1995-12-12 | The United States Of America As Represented By The Secretary Of The Navy | Magnetoresistive linear displacement sensor, angular displacement sensor, and variable resistor using a moving domain wall |
| US5907273A (en) * | 1993-11-24 | 1999-05-25 | Rochester Gauges, Inc. | Linear positioning indicator |
| US5501102A (en) * | 1993-11-24 | 1996-03-26 | Rochester Gauges, Inc. | Floatless gauge with resistive/conductive polymer |
| US5812048A (en) * | 1993-11-24 | 1998-09-22 | Rochester Gauges, Inc. | Linear positioning indicator |
| JP3783271B2 (ja) * | 1996-03-21 | 2006-06-07 | 株式会社デンソー | スイッチ装置 |
| US6057167A (en) * | 1996-05-31 | 2000-05-02 | Motorola, Inc. | Magnetoresistance-based method and apparatus for molecular detection |
| ES2141666B1 (es) * | 1997-10-24 | 2000-11-16 | Consejo Superior Investigacion | Potenciometro modulado magneticamente basado en las propiedades magnetoresistivas de oxidos de manganeso. |
| SE513428C2 (sv) * | 1999-01-07 | 2000-09-11 | Forskarpatent I Uppsala Ab | Lägesgivare |
| AU5473000A (en) * | 1999-06-28 | 2001-01-31 | American Electronic Components | Linear displacement sensor |
| JP2001304805A (ja) * | 2000-04-25 | 2001-10-31 | Tokai Rika Co Ltd | 回転角度検出装置 |
| US6535104B1 (en) * | 2000-09-29 | 2003-03-18 | Intel Corporation | Multi-axis potentiometer |
| EP1275938A3 (en) * | 2001-07-10 | 2003-03-05 | Nidec Corporation | Non-contact type potentiometer |
| US7726334B2 (en) | 2004-01-22 | 2010-06-01 | Rochester Gauges, Inc. | Service valve assembly having a stop-fill device and remote liquid level indicator |
| US7293578B2 (en) | 2004-01-22 | 2007-11-13 | Rochester Gauges, Inc. | Gauge assembly having a stop fill device |
| US7921873B2 (en) | 2004-01-22 | 2011-04-12 | Rochester Gauges, Inc. | Service valve assembly having a stop-fill device and a liquid level indicating dial |
| DE102004009868B3 (de) * | 2004-03-01 | 2005-08-04 | Siemens Ag | Messeinrichtung zur linearen Positionserfassung |
| DE102004020149A1 (de) | 2004-04-24 | 2005-11-24 | Horst Siedle Gmbh & Co. Kg. | Sensorelement für einen Umdrehungszähler |
| JP4229877B2 (ja) * | 2004-06-08 | 2009-02-25 | 三菱電機株式会社 | 磁気検出装置 |
| US7598696B2 (en) * | 2004-08-31 | 2009-10-06 | Medtronic, Inc. | Surgical apparatus including a hand-activated, control assembly and method of using same |
| US8657808B2 (en) * | 2004-08-31 | 2014-02-25 | Medtronic, Inc. | Surgical apparatus including a hand-activated, cable assembly and method of using same |
| USD583693S1 (en) | 2006-03-30 | 2008-12-30 | Rochester Gauges, Inc. | Dial assembly for a gauge |
| US20100229964A1 (en) * | 2006-08-18 | 2010-09-16 | Rochester Gauges, Inc. | Service valve assembly having a stop-fill device and remote liquid level indicator |
| US7523671B2 (en) * | 2007-03-05 | 2009-04-28 | Delphi Technologies, Inc. | Apparatus, system and method for measuring stress |
| US7690323B2 (en) * | 2007-10-31 | 2010-04-06 | Rochester Gauges, Inc. | Gauge head assembly with non-magnetic insert |
| CN109850328B (zh) * | 2019-03-11 | 2020-08-11 | 重庆大学 | 基于旋转永磁体的磁流变液抗沉降存储装置 |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5026094B1 (ko) * | 1970-05-01 | 1975-08-28 | ||
| JPS576962Y2 (ko) * | 1974-07-26 | 1982-02-09 | ||
| JPS5927115B2 (ja) * | 1974-12-29 | 1984-07-03 | ソニー株式会社 | 情報検出装置 |
| JPS6045804B2 (ja) * | 1978-02-28 | 1985-10-12 | 日本電気株式会社 | 角度検出器 |
| GB2052855B (en) * | 1979-03-30 | 1983-05-18 | Sony Corp | Magnetoresistive transducers |
| JPS57154001A (en) * | 1981-03-19 | 1982-09-22 | Nippon Seiko Kk | Detection of three dimensional rotary position and motion of object |
| JPS57162405A (en) * | 1981-03-31 | 1982-10-06 | Kogyo Gijutsuin | Noncontact potentiometer |
| JPS5816580A (ja) * | 1981-07-22 | 1983-01-31 | Sharp Corp | 磁気抵抗効果素子のバイアス磁界印加方法 |
| US4570118A (en) * | 1981-11-20 | 1986-02-11 | Gulf & Western Manufacturing Company | Angular position transducer including permanent magnets and Hall Effect device |
| JPS58154612A (ja) * | 1982-03-10 | 1983-09-14 | Copal Co Ltd | 変位量検出装置 |
| JPS59111011A (ja) * | 1982-12-17 | 1984-06-27 | Copal Co Ltd | 磁気抵抗素子を具える磁気検出器 |
| JPS58154615A (ja) * | 1982-03-10 | 1983-09-14 | Copal Co Ltd | 磁気検出装置 |
| JPS58154613A (ja) * | 1982-03-10 | 1983-09-14 | Copal Co Ltd | 変位量検出装置 |
| US4616281A (en) * | 1982-03-10 | 1986-10-07 | Copal Company Limited | Displacement detecting apparatus comprising magnetoresistive elements |
| JPS59159578A (ja) * | 1983-03-01 | 1984-09-10 | Midori Sokki:Kk | 無接触式ポテンシヨメ−タ |
| JPS60137079A (ja) * | 1984-10-13 | 1985-07-20 | Denki Onkyo Co Ltd | 非直線無接触ポテンシヨメ−タ |
| JPH0719923B2 (ja) * | 1984-12-14 | 1995-03-06 | 日本電装株式会社 | 位置検出装置 |
| JP3534783B2 (ja) * | 1992-07-21 | 2004-06-07 | 旭電化工業株式会社 | 熱硬化性合成樹脂塗料用安定剤 |
-
1987
- 1987-07-23 EP EP87110695A patent/EP0255052B1/en not_active Expired - Lifetime
- 1987-07-23 DE DE3788831T patent/DE3788831T2/de not_active Expired - Lifetime
- 1987-07-23 US US07/076,891 patent/US4835509A/en not_active Expired - Lifetime
- 1987-07-29 KR KR1019870008259A patent/KR900007100B1/ko not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| KR880002017A (ko) | 1988-04-28 |
| DE3788831D1 (de) | 1994-03-03 |
| EP0255052A2 (en) | 1988-02-03 |
| US4835509A (en) | 1989-05-30 |
| EP0255052A3 (en) | 1990-03-07 |
| EP0255052B1 (en) | 1994-01-19 |
| DE3788831T2 (de) | 1994-08-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A201 | Request for examination | ||
| PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 19870729 |
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| PA0201 | Request for examination |
Patent event code: PA02012R01D Patent event date: 19870729 Comment text: Request for Examination of Application |
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| PG1501 | Laying open of application | ||
| G160 | Decision to publish patent application | ||
| PG1605 | Publication of application before grant of patent |
Comment text: Decision on Publication of Application Patent event code: PG16051S01I Patent event date: 19900825 |
|
| E701 | Decision to grant or registration of patent right | ||
| PE0701 | Decision of registration |
Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 19901226 |
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