JPS5633510A - Signal condition detecting circuit - Google Patents

Signal condition detecting circuit

Info

Publication number
JPS5633510A
JPS5633510A JP10880680A JP10880680A JPS5633510A JP S5633510 A JPS5633510 A JP S5633510A JP 10880680 A JP10880680 A JP 10880680A JP 10880680 A JP10880680 A JP 10880680A JP S5633510 A JPS5633510 A JP S5633510A
Authority
JP
Japan
Prior art keywords
detecting circuit
signal condition
condition detecting
signal
circuit
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
JP10880680A
Other languages
English (en)
Inventor
Dowaito Boiyaa Uesurii
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.)
Ford Motor Co
Original Assignee
Ford Motor Co
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 Ford Motor Co filed Critical Ford Motor Co
Publication of JPS5633510A publication Critical patent/JPS5633510A/ja
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
    • F02P7/00—Arrangements of distributors, circuit-makers or -breakers, e.g. of distributor and circuit-breaker combinations or pick-up devices
    • F02P7/06—Arrangements of distributors, circuit-makers or -breakers, e.g. of distributor and circuit-breaker combinations or pick-up devices of circuit-makers or -breakers, or pick-up devices adapted to sense particular points of the timing cycle
    • F02P7/067—Electromagnetic pick-up devices, e.g. providing induced current in a coil
    • F02P7/07—Hall-effect pick-up devices
    • 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

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Electrical Control Of Ignition Timing (AREA)
JP10880680A 1979-08-08 1980-08-07 Signal condition detecting circuit Pending JPS5633510A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/064,699 US4293814A (en) 1979-08-08 1979-08-08 Crankshaft position sensor circuitry for providing stable cyclical output signals without regard to peak to peak variations in sensor signals

Publications (1)

Publication Number Publication Date
JPS5633510A true JPS5633510A (en) 1981-04-04

Family

ID=22057721

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10880680A Pending JPS5633510A (en) 1979-08-08 1980-08-07 Signal condition detecting circuit

Country Status (5)

Country Link
US (1) US4293814A (ja)
EP (1) EP0024836B1 (ja)
JP (1) JPS5633510A (ja)
CA (1) CA1157079A (ja)
DE (1) DE3068199D1 (ja)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5860223U (ja) * 1981-10-19 1983-04-23 株式会社小糸製作所 変位検出センサ
JPS6486068A (en) * 1987-09-29 1989-03-30 Omron Tateisi Electronics Co Space filter type speed measuring apparatus
JPH03167356A (ja) * 1988-03-01 1991-07-19 Stork Brabant Bv 繊維ラミネートの製造方法
JPH0492564U (ja) * 1990-12-20 1992-08-12

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US4367721A (en) * 1979-08-08 1983-01-11 Ford Motor Company Signal detection circuit with self-adjusting threshold having modulated carrier input
JPS56146068A (en) * 1980-04-11 1981-11-13 Nissan Motor Co Ltd Ignition energy control apparatus
DE3122376A1 (de) * 1981-06-05 1982-12-23 Robert Bosch Gmbh, 7000 Stuttgart Vorrichtung zur erfassung der drehzahl von rotierenden teilen
US4409548A (en) * 1981-07-06 1983-10-11 Ford Motor Company Piezoelectric apparatus for generating electrically distinguishable bipolar signals
DE3208262A1 (de) * 1982-03-08 1983-09-15 Robert Bosch Gmbh, 7000 Stuttgart Vorrichtung zur erzeugung einer drehzahlabhaengigen signalfolge
US4613843A (en) * 1984-10-22 1986-09-23 Ford Motor Company Planar coil magnetic transducer
US4745363A (en) * 1986-07-16 1988-05-17 North American Philips Corporation Non-oriented direct coupled gear tooth sensor using a Hall cell
US4992731A (en) * 1988-03-04 1991-02-12 North American Philips Corporation Rotary speed sensor with base line compensation of Hall cell output signal
EP0404762B1 (en) * 1988-03-18 1991-09-11 Robert Bosch Gmbh Apparatus for generating synchronisation pulses for an internal combustion engine
DE3926617A1 (de) * 1989-08-11 1991-02-14 Philips Patentverwaltung Adaptive drehzahlmessvorrichtung
US5115194A (en) * 1990-09-27 1992-05-19 Kearney-National Inc. Hall effect position sensor with flux limiter and magnetic dispersion means
JP3029657B2 (ja) * 1990-09-28 2000-04-04 カヤバ工業株式会社 位置検出装置
DE4133837C2 (de) * 1991-10-12 1994-06-09 Kostal Leopold Gmbh & Co Kg Sensoreinrichtung
US6198275B1 (en) 1995-06-07 2001-03-06 American Electronic Components Electronic circuit for automatic DC offset compensation for a linear displacement sensor
US5757181A (en) * 1992-06-22 1998-05-26 Durakool Incorporated Electronic circuit for automatically compensating for errors in a sensor with an analog output signal
US5359238A (en) * 1992-08-04 1994-10-25 Ford Motor Company Analog to digital interface circuit with internal resistance compensation and integrity verification
US5446375A (en) * 1992-10-16 1995-08-29 At&T Global Information Solutions Company Reluctance sensor having variable threshold detection circuit
EP0615111B2 (de) * 1993-03-12 1999-12-29 Siemens Aktiengesellschaft Kurbel- oder Nockenwellensignalgeber
US5493219A (en) * 1993-04-15 1996-02-20 Nippondenso Co., Ltd. MRE sensor signal detector
US5532583A (en) * 1993-05-04 1996-07-02 Storage Technology Corporation System and method for calibrating a position sensing system
JP3514511B2 (ja) * 1993-05-27 2004-03-31 ハネウェル・インターナショナル・インコーポレーテッド 磁気センサー
US5442283A (en) * 1993-09-03 1995-08-15 Allegro Microsystems, Inc. Hall-voltage slope-activated sensor
US5459398A (en) * 1993-12-17 1995-10-17 Delco Electronics Corporation Adaptive threshold circuit
DE4343198C2 (de) * 1993-12-17 1996-06-13 A B Elektronik Gmbh Verfahren und Vorrichtung zur Erfassung der Position rotierender Wellen
US5510706A (en) * 1994-02-22 1996-04-23 Delco Electronics Corporation Differential to single-ended conversion circuit for a magnetic wheel speed sensor
US5712560A (en) * 1994-09-01 1998-01-27 Kabushiki Kaisha Toshiba Drive speed detector for a motor that drives a data reproducing device
DE4434977B4 (de) * 1994-09-30 2005-02-17 Continental Teves Ag & Co. Ohg Aktiver Bewegungssensor
US5781005A (en) * 1995-06-07 1998-07-14 Allegro Microsystems, Inc. Hall-effect ferromagnetic-article-proximity sensor
US5736852A (en) * 1995-06-21 1998-04-07 Alliedsignal Truck Brake Systems Co. Circuit and method for conditioning a wheel speed sensor signal
US6297627B1 (en) 1996-01-17 2001-10-02 Allegro Microsystems, Inc. Detection of passing magnetic articles with a peak-to-peak percentage threshold detector having a forcing circuit and automatic gain control
US5650719A (en) * 1996-01-17 1997-07-22 Allegro Microsystems, Inc. Detection of passing magnetic articles while periodically adapting detection thresholds to changing amplitudes of the magnetic field
US5729130A (en) * 1996-01-17 1998-03-17 Moody; Kristann L. Tracking and holding in a DAC the peaks in the field-proportional voltage in a slope activated magnetic field sensor
US5694038A (en) * 1996-01-17 1997-12-02 Allegro Microsystems, Inc. Detector of passing magnetic articles with automatic gain control
US6525531B2 (en) 1996-01-17 2003-02-25 Allegro, Microsystems, Inc. Detection of passing magnetic articles while adapting the detection threshold
US5917320A (en) * 1996-01-17 1999-06-29 Allegro Microsystems, Inc. Detection of passing magnetic articles while periodically adapting detection threshold
US6242908B1 (en) 1996-01-17 2001-06-05 Allegro Microsystems, Inc. Detection of passing magnetic articles while adapting the detection threshold
US6232768B1 (en) 1996-01-17 2001-05-15 Allegro Microsystems Inc. Centering a signal within the dynamic range of a peak detecting proximity detector
US5777465A (en) * 1996-02-16 1998-07-07 Analog Devices, Inc. Circuitry and method for sensing spatial transitions sensed with a magnetic sensor
US5986450A (en) * 1997-04-04 1999-11-16 Analog Devices Directionally independent magnet sensor
US6285958B1 (en) 1998-02-12 2001-09-04 American Electronic Components, Inc. Electronic circuit for automatic compensation of a sensor output signal
US6636036B1 (en) * 1998-02-25 2003-10-21 Delphi Technologies, Inc. Sensor with signal amplitude adaptive hysteresis
US6133729A (en) * 1998-06-17 2000-10-17 Arthur Allen Mfg. Co. Side looking hall-effect vehicle speed sensor with an alignment positioning system
US6392400B1 (en) * 1998-10-08 2002-05-21 Schlumberger Resource Management Services High linearity, low offset interface for Hall effect devices
FR2797959B1 (fr) * 1999-08-26 2001-10-12 Siemens Automotive Sa Dispositif d'ajustement de gain pour un capteur de champ magnetique
US6703827B1 (en) 2000-06-22 2004-03-09 American Electronics Components, Inc. Electronic circuit for automatic DC offset compensation for a linear displacement sensor
US6639399B2 (en) * 2001-02-06 2003-10-28 Delphi Technologies, Inc. Target wheel sensor assembly for determining position and direction of motion of a rotating target wheel
US6714003B2 (en) * 2002-01-25 2004-03-30 American Electronic Components, Inc. Frequency compensation for rotating target sensor
US6690155B2 (en) * 2002-03-25 2004-02-10 Allegro Microsystems, Inc. Magnetic gear tooth sensor with Hall cell detector
US6768427B1 (en) 2003-03-25 2004-07-27 Lexmark International, Inc. Encoder initialization methods and related systems
US20050007103A1 (en) * 2003-07-08 2005-01-13 Thaddeus Schroeder Sensor assembly for sensing direction of rotation and/or position of an object
US7365530B2 (en) * 2004-04-08 2008-04-29 Allegro Microsystems, Inc. Method and apparatus for vibration detection
NZ540615A (en) * 2004-06-09 2006-11-30 Lyons & Mackenzie Proprietary Safety switch for motor that compares measured signal with filtered version of signal
DE102004029941B3 (de) * 2004-06-21 2005-12-15 Infineon Technologies Ag System zur Auswertung eines Sensorsignals
US7253614B2 (en) * 2005-03-21 2007-08-07 Allegro Microsystems, Inc. Proximity detector having a sequential flow state machine
US7265539B2 (en) * 2005-06-09 2007-09-04 Ford Motor Company Calibration of a hall effect sensor
US7362094B2 (en) * 2006-01-17 2008-04-22 Allegro Microsystems, Inc. Methods and apparatus for magnetic article detection
US7679362B2 (en) * 2007-01-18 2010-03-16 Gm Global Technology Operations, Inc. Hall-effect pressure switch
US7834725B2 (en) * 2007-09-05 2010-11-16 The Smartpill Corporation Magnetic activation and deactivation circuit and system
US8359935B2 (en) * 2009-07-16 2013-01-29 Cleveland Electric Laboratories Fiber optic rotation/position sensor
US8598867B2 (en) 2010-06-04 2013-12-03 Allegro Microsystems, Llc Circuits and methods for generating a threshold signal used in a motion detector
US8350563B2 (en) 2010-10-12 2013-01-08 Allegro Microsystems, Inc. Magnetic field sensor and method used in a magnetic field sensor that adjusts a sensitivity and/or an offset over temperature
US9520871B2 (en) 2012-01-05 2016-12-13 Allegro Microsystems, Llc Methods and apparatus for supply voltage transient protection for maintaining a state of a sensor output signal
US8736260B2 (en) 2012-01-06 2014-05-27 Allegro Microsystems, Llc Magnetic field sensor and associated method that can establish a measured threshold value and that can store the measured threshold value in a memory device
US9395391B2 (en) 2013-03-15 2016-07-19 Allegro Microsystems, Llc Magnetic field sensor and associated method that can store a measured threshold value in a memory device during a time when the magnetic field sensor is powered off
US10845434B2 (en) 2012-01-06 2020-11-24 Allegro Microsystems, Llc Magnetic field sensor having a temperature compensated threshold on power up
US9329057B2 (en) 2012-05-31 2016-05-03 Allegro Microsystems, Llc Gear tooth sensor with peak and threshold detectors
US8723512B1 (en) 2012-11-26 2014-05-13 Allegro Microsystems, Llc Circuits and methods for generating a threshold signal used in a magnetic field sensor based on a peak signal associated with a prior cycle of a magnetic field signal
US9476899B2 (en) 2013-08-30 2016-10-25 Allegro Microsystems, Llc Circuits and methods for generating a threshold signal used in a motion detector in accordance with a least common multiple of a set of possible quantities of features upon a target
US9778326B2 (en) 2014-03-11 2017-10-03 Allegro Microsystems, Llc Circuits and methods for limiting a smallest separation of thresholds in a magnetic field sensor
GB201508015D0 (en) * 2015-05-11 2015-06-24 Airbus Operations Ltd Tachometer systems and methods of determining the rotation speed of a wheel of a landing gear of an aircraft
US10839920B2 (en) 2017-09-29 2020-11-17 Allegro Microsystems, Llc Circuit having a low power charge pump for storing information in non-volatile memory during a loss of power event
US10430296B2 (en) 2017-09-29 2019-10-01 Allegro Microsystems, Llc Circuit and method for storing information in non-volatile memory during a loss of power event
US11079254B2 (en) 2018-08-22 2021-08-03 Christopher James Hahn Magnet rangefinder
US10514476B2 (en) 2018-08-22 2019-12-24 Christopher James Hahn Adjustable sensitivity magnet sensor
US11035979B2 (en) 2018-10-08 2021-06-15 Christopher James Hahn Visual biofeedback apparatus
US11125590B2 (en) 2019-05-07 2021-09-21 Allegro Microsystems, Llc System and method for vibration detection with direction change response immunity using a magnetic field sensor
US11029176B2 (en) 2019-05-07 2021-06-08 Allegro Microsystems, Llc System and method for vibration detection with no loss of position information using a magnetic field sensor

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JPS51122472A (en) * 1975-04-17 1976-10-26 Nissan Motor Co Ltd Pulse shaping circuit for detection of numbers of engine rotation
JPS5264858A (en) * 1975-11-26 1977-05-28 Anritsu Electric Co Ltd Waveform shaping circuit
JPS52123673A (en) * 1976-04-07 1977-10-18 Bosch Gmbh Robert Circuit system for detecting position of rotative part

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US3761725A (en) * 1971-12-30 1973-09-25 Texas Instruments Inc Automatic tire identifier with threshold setting proportional to the received signals
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Patent Citations (3)

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Publication number Priority date Publication date Assignee Title
JPS51122472A (en) * 1975-04-17 1976-10-26 Nissan Motor Co Ltd Pulse shaping circuit for detection of numbers of engine rotation
JPS5264858A (en) * 1975-11-26 1977-05-28 Anritsu Electric Co Ltd Waveform shaping circuit
JPS52123673A (en) * 1976-04-07 1977-10-18 Bosch Gmbh Robert Circuit system for detecting position of rotative part

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5860223U (ja) * 1981-10-19 1983-04-23 株式会社小糸製作所 変位検出センサ
JPS6486068A (en) * 1987-09-29 1989-03-30 Omron Tateisi Electronics Co Space filter type speed measuring apparatus
JPH03167356A (ja) * 1988-03-01 1991-07-19 Stork Brabant Bv 繊維ラミネートの製造方法
JPH0492564U (ja) * 1990-12-20 1992-08-12

Also Published As

Publication number Publication date
EP0024836A1 (en) 1981-03-11
US4293814A (en) 1981-10-06
EP0024836B1 (en) 1984-06-13
DE3068199D1 (en) 1984-07-19
CA1157079A (en) 1983-11-15

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