DE10131453A1 - Verfahren und Schaltungsanordnung zur Detektion eines aus einem ferromagnetischen Material bestehenden Elements - Google Patents

Verfahren und Schaltungsanordnung zur Detektion eines aus einem ferromagnetischen Material bestehenden Elements

Info

Publication number
DE10131453A1
DE10131453A1 DE10131453A DE10131453A DE10131453A1 DE 10131453 A1 DE10131453 A1 DE 10131453A1 DE 10131453 A DE10131453 A DE 10131453A DE 10131453 A DE10131453 A DE 10131453A DE 10131453 A1 DE10131453 A1 DE 10131453A1
Authority
DE
Germany
Prior art keywords
sensor
coil
comparator
inductance
voltage
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.)
Withdrawn
Application number
DE10131453A
Other languages
German (de)
English (en)
Inventor
Mathias Klenk
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Priority to DE10131453A priority Critical patent/DE10131453A1/de
Priority to IT2002MI001413A priority patent/ITMI20021413A1/it
Priority to JP2002185976A priority patent/JP2003042804A/ja
Priority to FR0208067A priority patent/FR2826722A1/fr
Publication of DE10131453A1 publication Critical patent/DE10131453A1/de
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/945—Proximity switches
    • H03K17/95—Proximity switches using a magnetic detector
    • H03K17/952—Proximity switches using a magnetic detector using inductive coils
    • H03K17/9525—Proximity switches using a magnetic detector using inductive coils controlled by an oscillatory signal
    • 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
    • G01D5/20—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 by varying inductance, e.g. by a movable armature
    • G01D5/2006—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 by varying inductance, e.g. by a movable armature by influencing the self-induction of one or more coils
    • G01D5/2013—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 by varying inductance, e.g. by a movable armature by influencing the self-induction of one or more coils by a movable ferromagnetic element, e.g. a core
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/42—Devices characterised by the use of electric or magnetic means
    • G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
    • G01P3/48—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
    • G01P3/481—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals
    • G01P3/488—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals delivered by variable reluctance detectors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
DE10131453A 2001-06-29 2001-06-29 Verfahren und Schaltungsanordnung zur Detektion eines aus einem ferromagnetischen Material bestehenden Elements Withdrawn DE10131453A1 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE10131453A DE10131453A1 (de) 2001-06-29 2001-06-29 Verfahren und Schaltungsanordnung zur Detektion eines aus einem ferromagnetischen Material bestehenden Elements
IT2002MI001413A ITMI20021413A1 (it) 2001-06-29 2002-06-26 Procedimento e disposizione circuitale atti al rilevamento di un elemento consistente in un materiale ferromagnetico
JP2002185976A JP2003042804A (ja) 2001-06-29 2002-06-26 強磁性材料から成る構成部材を検出するための方法および回路装置
FR0208067A FR2826722A1 (fr) 2001-06-29 2002-06-28 Procede et circuit de detection d'un element en matiere ferromagnetique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE10131453A DE10131453A1 (de) 2001-06-29 2001-06-29 Verfahren und Schaltungsanordnung zur Detektion eines aus einem ferromagnetischen Material bestehenden Elements

Publications (1)

Publication Number Publication Date
DE10131453A1 true DE10131453A1 (de) 2003-01-09

Family

ID=7689945

Family Applications (1)

Application Number Title Priority Date Filing Date
DE10131453A Withdrawn DE10131453A1 (de) 2001-06-29 2001-06-29 Verfahren und Schaltungsanordnung zur Detektion eines aus einem ferromagnetischen Material bestehenden Elements

Country Status (4)

Country Link
JP (1) JP2003042804A (fr)
DE (1) DE10131453A1 (fr)
FR (1) FR2826722A1 (fr)
IT (1) ITMI20021413A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10350000A1 (de) * 2003-10-28 2005-06-02 Jäger, Robert, Dr.-Ing. Magnetfeldtranisitor (MFT)
CN111684288A (zh) * 2018-02-09 2020-09-18 克诺尔商用车制动系统有限公司 用于借助电感式速度传感器确定速度的方法和装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020073603A1 (fr) * 2018-10-11 2020-04-16 东南大学 Capteur capacitif de vitesse de rotation de type lc basé sur une mesure de force centripète

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4339953A (en) * 1980-08-29 1982-07-20 Aisin Seiki Company, Ltd. Position sensor
GB8432438D0 (en) * 1984-12-21 1985-02-06 De La Rue Syst Sensing sheets
US5247253A (en) * 1990-11-09 1993-09-21 Curtis Instruments, Inc. Eddy current proximity sensing means and method useful for determining throttle position

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10350000A1 (de) * 2003-10-28 2005-06-02 Jäger, Robert, Dr.-Ing. Magnetfeldtranisitor (MFT)
CN111684288A (zh) * 2018-02-09 2020-09-18 克诺尔商用车制动系统有限公司 用于借助电感式速度传感器确定速度的方法和装置
US11378585B2 (en) 2018-02-09 2022-07-05 Knorr-Bremse Systeme Fuer Nutzfahrzeuge Gmbh Method and device for determining a speed by means of an inductive speed sensor

Also Published As

Publication number Publication date
ITMI20021413A0 (it) 2002-06-26
FR2826722A1 (fr) 2003-01-03
ITMI20021413A1 (it) 2003-12-29
JP2003042804A (ja) 2003-02-13

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Legal Events

Date Code Title Description
8139 Disposal/non-payment of the annual fee