IT1223943B - Circuito per il trattamento del segnale generato da un sensore elettromagnetico di rotazione del tipo a riluttanza variabile - Google Patents

Circuito per il trattamento del segnale generato da un sensore elettromagnetico di rotazione del tipo a riluttanza variabile

Info

Publication number
IT1223943B
IT1223943B IT68058/88A IT6805888A IT1223943B IT 1223943 B IT1223943 B IT 1223943B IT 68058/88 A IT68058/88 A IT 68058/88A IT 6805888 A IT6805888 A IT 6805888A IT 1223943 B IT1223943 B IT 1223943B
Authority
IT
Italy
Prior art keywords
circuit
logic circuit
comparator
signal
reference signal
Prior art date
Application number
IT68058/88A
Other languages
English (en)
Other versions
IT8868058A0 (it
Inventor
Cesario Cianci
Giuseppe Ciliberto
Original Assignee
Marelli Autronica
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 Marelli Autronica filed Critical Marelli Autronica
Priority to IT68058/88A priority Critical patent/IT1223943B/it
Publication of IT8868058A0 publication Critical patent/IT8868058A0/it
Priority to EP89830510A priority patent/EP0376897A1/en
Priority to JP1306354A priority patent/JPH02202116A/ja
Application granted granted Critical
Publication of IT1223943B publication Critical patent/IT1223943B/it

Links

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
    • G01D5/244—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 characteristics of pulses or pulse trains; generating pulses or pulse trains
    • G01D5/24471—Error correction
    • G01D5/24476—Signal processing
    • 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
    • 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
    • G01P3/489—Digital circuits therefor
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/175—Indicating the instants of passage of current or voltage through a given value, e.g. passage through zero
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
    • H03K5/153—Arrangements in which a pulse is delivered at the instant when a predetermined characteristic of an input signal is present or at a fixed time interval after this instant
    • H03K5/1536—Zero-crossing detectors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Nonlinear Science (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Manipulation Of Pulses (AREA)
IT68058/88A 1988-11-25 1988-11-25 Circuito per il trattamento del segnale generato da un sensore elettromagnetico di rotazione del tipo a riluttanza variabile IT1223943B (it)

Priority Applications (3)

Application Number Priority Date Filing Date Title
IT68058/88A IT1223943B (it) 1988-11-25 1988-11-25 Circuito per il trattamento del segnale generato da un sensore elettromagnetico di rotazione del tipo a riluttanza variabile
EP89830510A EP0376897A1 (en) 1988-11-25 1989-11-21 A circuit for processing the signal generated by a variable-reluctance electromagnetic rotation sensor
JP1306354A JPH02202116A (ja) 1988-11-25 1989-11-24 可変磁気抵抗を用いた電磁回転センサよりの発生信号の処理回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT68058/88A IT1223943B (it) 1988-11-25 1988-11-25 Circuito per il trattamento del segnale generato da un sensore elettromagnetico di rotazione del tipo a riluttanza variabile

Publications (2)

Publication Number Publication Date
IT8868058A0 IT8868058A0 (it) 1988-11-25
IT1223943B true IT1223943B (it) 1990-09-29

Family

ID=11307539

Family Applications (1)

Application Number Title Priority Date Filing Date
IT68058/88A IT1223943B (it) 1988-11-25 1988-11-25 Circuito per il trattamento del segnale generato da un sensore elettromagnetico di rotazione del tipo a riluttanza variabile

Country Status (3)

Country Link
EP (1) EP0376897A1 (it)
JP (1) JPH02202116A (it)
IT (1) IT1223943B (it)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2241335A (en) * 1990-02-22 1991-08-28 Ford Motor Co Signal conditioning circuit
US5530542A (en) * 1995-04-19 1996-06-25 Hewlett-Packard Company Circuit and method for controlling glitches in low intensity signals
GB2310496A (en) * 1996-02-21 1997-08-27 De La Rue Syst Method and apparatus for authenticating documents
DE19611885B4 (de) * 1996-03-26 2007-04-12 Robert Bosch Gmbh Verfahren und Vorrichtung zur Steuerung eines elektromagnetischen Schaltorgans
US9103847B2 (en) 2012-08-01 2015-08-11 Freescale Semiconductor, Inc. Variable reluctance sensor interface with integration based arming threshold

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3753109A (en) * 1971-03-08 1973-08-14 Smith Kline French Lab Peak detector
US3944936A (en) * 1974-08-07 1976-03-16 Rca Corporation Zero crossover detector
IT1180067B (it) * 1984-05-31 1987-09-23 Marelli Autronica Circuito rivelatore del passaggio per lo zero del segnale generato da un sensore elettromagnetico del tipo a ruota fonica e simili

Also Published As

Publication number Publication date
JPH02202116A (ja) 1990-08-10
EP0376897A1 (en) 1990-07-04
IT8868058A0 (it) 1988-11-25

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