FR2826722A1 - Procede et circuit de detection d'un element en matiere ferromagnetique - Google Patents

Procede et circuit de detection d'un element en matiere ferromagnetique Download PDF

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Publication number
FR2826722A1
FR2826722A1 FR0208067A FR0208067A FR2826722A1 FR 2826722 A1 FR2826722 A1 FR 2826722A1 FR 0208067 A FR0208067 A FR 0208067A FR 0208067 A FR0208067 A FR 0208067A FR 2826722 A1 FR2826722 A1 FR 2826722A1
Authority
FR
France
Prior art keywords
sensor
circuit
voltage
comparator
coil
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.)
Pending
Application number
FR0208067A
Other languages
English (en)
French (fr)
Inventor
A 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
Publication of FR2826722A1 publication Critical patent/FR2826722A1/fr
Pending 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)
FR0208067A 2001-06-29 2002-06-28 Procede et circuit de detection d'un element en matiere ferromagnetique Pending FR2826722A1 (fr)

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
FR2826722A1 true FR2826722A1 (fr) 2003-01-03

Family

ID=7689945

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0208067A Pending FR2826722A1 (fr) 2001-06-29 2002-06-28 Procede et circuit de detection d'un element en matiere ferromagnetique

Country Status (4)

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

Families Citing this family (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)
DE102018001059B4 (de) * 2018-02-09 2019-12-05 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Verfahren und Vorrichtung zum Bestimmen einer Geschwindigkeit mit Hilfe eines induktiven Geschwindigkeitssensors
WO2020073603A1 (zh) * 2018-10-11 2020-04-16 东南大学 一种基于电容式向心力测量的lc式转速传感器

Citations (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
US4700368A (en) * 1984-12-21 1987-10-13 De La Rue Systems Limited Method and apparatus for 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

Patent Citations (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
US4700368A (en) * 1984-12-21 1987-10-13 De La Rue Systems Limited Method and apparatus for 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

Also Published As

Publication number Publication date
DE10131453A1 (de) 2003-01-09
JP2003042804A (ja) 2003-02-13
ITMI20021413A1 (it) 2003-12-29
ITMI20021413A0 (it) 2002-06-26

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