DE19622561A1 - Halleffekt-Sensor - Google Patents
Halleffekt-SensorInfo
- Publication number
- DE19622561A1 DE19622561A1 DE19622561A DE19622561A DE19622561A1 DE 19622561 A1 DE19622561 A1 DE 19622561A1 DE 19622561 A DE19622561 A DE 19622561A DE 19622561 A DE19622561 A DE 19622561A DE 19622561 A1 DE19622561 A1 DE 19622561A1
- Authority
- DE
- Germany
- Prior art keywords
- magnetic structure
- sensor
- magnetic
- pole
- front surface
- 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
Links
- 230000005355 Hall effect Effects 0.000 title claims abstract description 64
- 230000005294 ferromagnetic effect Effects 0.000 title claims abstract description 48
- 230000005291 magnetic effect Effects 0.000 claims abstract description 267
- 230000004907 flux Effects 0.000 claims description 68
- 238000001514 detection method Methods 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 description 18
- 239000010959 steel Substances 0.000 description 18
- 239000002131 composite material Substances 0.000 description 13
- 238000013461 design Methods 0.000 description 10
- 241000357293 Leptobrama muelleri Species 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 239000012141 concentrate Substances 0.000 description 6
- 238000010276 construction Methods 0.000 description 5
- 238000007373 indentation Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000013459 approach Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000005094 computer simulation Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 229910000640 Fe alloy Inorganic materials 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000003302 ferromagnetic material Substances 0.000 description 1
- 230000005307 ferromagnetism Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000005405 multipole Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 229910000938 samarium–cobalt magnet Inorganic materials 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
- G01V3/08—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
-
- 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
- G01D5/147—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 movement of a third element, the position of Hall device and the source of magnetic field being fixed in respect to each other
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
- G01R33/06—Measuring direction or magnitude of magnetic fields or magnetic flux using galvano-magnetic devices
- G01R33/07—Hall effect devices
Description
Claims (31)
- (a) einen integrierten Schaltkreischip (12) mit einem ebenen Hall- Element (14), welches parallel angeordnet ist und eine Sensorebene definiert mit einer Vorder- und einer Rückseite und welches Element senkrecht und zentral zu einer Sensorachse angeordnet ist, und
- (b) eine Magnetstruktur (15; 16, 17, 18) mit einem Nordpol und einem Südpol, wobei die Magnetstruktur hinter der Sensorebene angeordnet und so positioniert ist, daß ein Süd- und ein Nordpol nebeneinander liegen und beide zu dem Element (14) benachbart sind.
- (a) einen integrierten Schaltkreischip mit einem ebenen Hall- Element, welches parallel angeordnet ist und eine Sensorebene definiert mit einer Vorder- und einer Rückseite und welches Element senkrecht und zentral zu einer Sensorachse angeordnet ist, und
- (b) eine Magnetstruktur mit drei magnetisierten Elementen, wobei die Magnetstruktur hinter der Sensorebene positioniert ist und so positioniert ist, daß die ersten und zweiten magnetisierten Elemente jeweils einen ersten magnetischen Pol in Nachbarschaft zu dem Hall-Element anordnen und das dritte magnetisierte Element den zweiten magnetischen Pol, welcher dem ersten magnetischen Pol entgegengesetzt ist, in Nachbarschaft zu dem Hall-Element anordnet.
- (a) einen integrierten Schaltkreischip mit einem Sensorelement, welches darin parallel angeordnet ist und eine Sensorebene mit einer Vorder- und einer Rückseite definiert und welches Element senkrecht und zentral zu einer Sensorachse ist, und
- (b) eine Magnetstruktur mit einem Nordpol und einem Südpol, wobei die Magnetstruktur hinter der Sensorebene angeordnet ist und so positioniert ist, daß ein Südpol und ein Nordpol einander benachbart und beide dem Sensorelement benachbart sind.
- (a) einen integrierten Schaltkreischip mit einem magnetoresistiven Element, welches darin parallel angeordnet ist und eine Sensorebene definiert, die eine Vorder- und eine Rückseite aufweist und welches Element senkrecht und zentral zu einer Sensorachse angeordnet ist, und
- (b) eine Magnetstruktur mit einem Nordpol und einem Südpol, wobei die Magnetstruktur hinter der Sensorebene angeordnet ist und so positioniert ist, daß ein Südpol und ein Nordpol einander benachbart und beide dem magnetoresistiven Element benachbart sind.
- (a) einen integrierten Schaltkreischip mit einem magnetoresistiven Element, welches darin parallel angeordnet ist und eine Sensorebene, definiert mit einer Vorder- und einer Rückseite und welches Element senkrecht und zentral zu einer Sensorachse angeordnet ist, und
- (b) eine Magnetstruktur mit drei magnetisierten Elementen, wobei die Magnetstruktur hinter der Sensorebene angeordnet ist und so angeordnet ist, daß das erste und zweite magnetisierte Element jeweils einen ersten magnetischen Pol in Nachbarschaft zu dem magnetoresistiven Element präsentiert und das dritte magnetisierte Element den zweiten magnetischen Pol, welcher dem ersten magnetischen Pol entgegengesetzt ist, in Nachbarschaft dem magnetoresistiven Element präsentiert.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US485697 | 1995-06-07 | ||
US08/485,697 US5781005A (en) | 1995-06-07 | 1995-06-07 | Hall-effect ferromagnetic-article-proximity sensor |
Publications (2)
Publication Number | Publication Date |
---|---|
DE19622561A1 true DE19622561A1 (de) | 1996-12-12 |
DE19622561B4 DE19622561B4 (de) | 2006-10-05 |
Family
ID=23929121
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19622561A Expired - Lifetime DE19622561B4 (de) | 1995-06-07 | 1996-06-05 | Halleffekt-Sensor |
Country Status (5)
Country | Link |
---|---|
US (1) | US5781005A (de) |
JP (1) | JP3618466B2 (de) |
KR (1) | KR100318230B1 (de) |
DE (1) | DE19622561B4 (de) |
FR (1) | FR2735222B1 (de) |
Cited By (7)
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DE19726691A1 (de) * | 1997-06-24 | 1999-01-07 | Itt Mfg Enterprises Inc | Drehwinkelsensor mit einem asymmetrisch angeordneten Permanentmagneten |
DE19919207A1 (de) * | 1999-04-28 | 2000-11-02 | Focke & Co | Verfahren und Vorrichtung zum Prüfen von Zigaretten |
DE10009173A1 (de) * | 2000-02-26 | 2001-09-06 | Bosch Gmbh Robert | Messvorrichtung zur berührungslosen Erfassung eines ferromagnetischen Gegenstandes |
DE102006007933A1 (de) * | 2006-02-21 | 2007-08-30 | Schaeffler Kg | Verfahren und Anordnung zur Vermessung einer Verzahnung |
DE10131455B4 (de) * | 2001-06-29 | 2010-09-16 | Robert Bosch Gmbh | Sensoranordnung zur Detektion eines aus einem ferromagnetischen Material bestehenden Elements |
WO2015009532A1 (en) * | 2013-07-19 | 2015-01-22 | Allegro Microsystems, Llc | Magnet with opposing directions of magnetization for a magnetic sensor |
US11585676B2 (en) | 2015-10-09 | 2023-02-21 | Tdk-Micronas Gmbh | Magnetic field measuring device |
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US6274939B1 (en) * | 1998-09-11 | 2001-08-14 | American Electronic Components | Resin ceramic compositions having magnetic properties |
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JP4159184B2 (ja) * | 1999-06-25 | 2008-10-01 | 株式会社デルタツーリング | 磁気ばね |
JP4304871B2 (ja) * | 2001-02-28 | 2009-07-29 | 日本電気株式会社 | 携帯電話機 |
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JP3775257B2 (ja) * | 2001-07-30 | 2006-05-17 | アイシン精機株式会社 | 角度センサ |
DE10141371A1 (de) * | 2001-08-23 | 2003-03-13 | Philips Corp Intellectual Pty | Magnetoresistive Sensoreinrichtung |
US7009386B2 (en) * | 2002-01-02 | 2006-03-07 | Stoneridge Control Devices, Inc. | Non-contact position sensor utilizing multiple sensor elements |
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KR100590211B1 (ko) * | 2002-11-21 | 2006-06-15 | 가부시키가이샤 덴소 | 자기 임피던스 소자, 그를 이용한 센서 장치 및 그 제조방법 |
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DE10131455B4 (de) * | 2001-06-29 | 2010-09-16 | Robert Bosch Gmbh | Sensoranordnung zur Detektion eines aus einem ferromagnetischen Material bestehenden Elements |
DE102006007933A1 (de) * | 2006-02-21 | 2007-08-30 | Schaeffler Kg | Verfahren und Anordnung zur Vermessung einer Verzahnung |
WO2015009532A1 (en) * | 2013-07-19 | 2015-01-22 | Allegro Microsystems, Llc | Magnet with opposing directions of magnetization for a magnetic sensor |
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Also Published As
Publication number | Publication date |
---|---|
DE19622561B4 (de) | 2006-10-05 |
KR100318230B1 (ko) | 2002-04-22 |
KR970004106A (ko) | 1997-01-29 |
US5781005A (en) | 1998-07-14 |
FR2735222B1 (fr) | 2001-01-26 |
JPH0949740A (ja) | 1997-02-18 |
JP3618466B2 (ja) | 2005-02-09 |
FR2735222A1 (fr) | 1996-12-13 |
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