ES8405145A1 - Perfeccionamientos en captadores de posicion de magnetorresistencia. - Google Patents
Perfeccionamientos en captadores de posicion de magnetorresistencia.Info
- Publication number
- ES8405145A1 ES8405145A1 ES520701A ES520701A ES8405145A1 ES 8405145 A1 ES8405145 A1 ES 8405145A1 ES 520701 A ES520701 A ES 520701A ES 520701 A ES520701 A ES 520701A ES 8405145 A1 ES8405145 A1 ES 8405145A1
- Authority
- ES
- Spain
- Prior art keywords
- component
- magnet
- position sensor
- varies
- spacing
- 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
- 239000004020 conductor Substances 0.000 title abstract 4
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
- G01D3/00—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups
- G01D3/06—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups with provision for operation by a null method
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
- Measuring Magnetic Variables (AREA)
Abstract
CAPTADOR DE POSICION DE MAGNETORRESISTENCIA, DEL TIPO DE LOS CONSTITUIDOS POR UNA CAPA DELGADA DE FERRONIQUEL MAGNETORRESISTIVO.CONSTA DE UN ELEMENTO MOVIL (100) QUE ENGENDRA UN CAMPO MAGNETICO DE EXCITACION; DE POR LO MENOS UN ELEMENTO MAGNETORRESISTIVO FIJO (200), SENSIBLE AL CAMPO MAGNETICO DE EXCITACION (HE), ORIENTADO DE MANERA QUE SU DIRECCION DE ANISOTROPIA ESTE SITUADA EN UN PLANO SENSIBLEMENTE PARALELO A LA DIRECCION (OY) DEL DESPLAZAMIENTO DEL ELEMENTO MOVIL (100); Y DE UN CONDUCTOR FIJO (300) DISPUESTO EN LA PROXIMIDAD DE CADA ELEMENTO MAGNETORRESISTIVO, QUEESTA RECORRIDO POR UNA CORRIENTE DE COMPENSACION (IC) QUE CREA EN EL ELEMENTO MAGNETORRESISTIVO UN CAMPO MAGNETICO DE COMPENSACION (HC).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8203690A FR2522807B1 (fr) | 1982-03-05 | 1982-03-05 | Capteur de position a magnetoresistance |
Publications (2)
Publication Number | Publication Date |
---|---|
ES520701A0 ES520701A0 (es) | 1984-05-16 |
ES8405145A1 true ES8405145A1 (es) | 1984-05-16 |
Family
ID=9271640
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES520701A Expired ES8405145A1 (es) | 1982-03-05 | 1983-03-04 | Perfeccionamientos en captadores de posicion de magnetorresistencia. |
Country Status (2)
Country | Link |
---|---|
ES (1) | ES8405145A1 (es) |
FR (1) | FR2522807B1 (es) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1248376B (it) * | 1991-05-06 | 1995-01-11 | Arthys Srl | Metodo e dispositivo per la trasduzione e la rilevazione di posizione mediante misura dei campi magnetici generati da reofori planari percorsi da corrente elettrica |
DE19652562C2 (de) * | 1996-12-17 | 1999-07-22 | Heidenhain Gmbh Dr Johannes | Positionsmeßeinrichtung |
US6084401A (en) * | 1998-04-02 | 2000-07-04 | Ford Globa Technologies, Inc. | Rotational position sensor employing magneto resistors |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3344347A (en) * | 1963-08-23 | 1967-09-26 | Bell Inc F W | Method and apparatus for determining displacement utilizing a hall plate positioned tangential to an arcuate magnetic field |
US3332009A (en) * | 1963-11-04 | 1967-07-18 | United States Steel Corp | Apparatus for detecting the relative location of a member in a selected coordinate direction |
US4097802A (en) * | 1975-06-30 | 1978-06-27 | International Business Machines Corporation | Magnetoresistive field sensor with a magnetic shield which prevents sensor response at fields below saturation of the shield |
-
1982
- 1982-03-05 FR FR8203690A patent/FR2522807B1/fr not_active Expired
-
1983
- 1983-03-04 ES ES520701A patent/ES8405145A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
ES520701A0 (es) | 1984-05-16 |
FR2522807A1 (fr) | 1983-09-09 |
FR2522807B1 (fr) | 1985-11-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD1A | Patent lapsed |
Effective date: 19991108 |