DE69406973D1 - Ausgangssignalverarbeitungseinheit für einen Sensor - Google Patents

Ausgangssignalverarbeitungseinheit für einen Sensor

Info

Publication number
DE69406973D1
DE69406973D1 DE69406973T DE69406973T DE69406973D1 DE 69406973 D1 DE69406973 D1 DE 69406973D1 DE 69406973 T DE69406973 T DE 69406973T DE 69406973 T DE69406973 T DE 69406973T DE 69406973 D1 DE69406973 D1 DE 69406973D1
Authority
DE
Germany
Prior art keywords
sensor
processing unit
output signal
signal processing
output
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 - Lifetime
Application number
DE69406973T
Other languages
English (en)
Other versions
DE69406973T2 (de
Inventor
Yasuaki Makino
Seiki Aoyama
Ichirou Sasame-Shataku Izawa
Tomoatu Makino
Susumu Kuroyanagi
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.)
Denso Corp
Original Assignee
Denso Corp
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
Priority claimed from JP08889893A external-priority patent/JP3336668B2/ja
Priority claimed from JP32647093A external-priority patent/JP3326933B2/ja
Application filed by Denso Corp filed Critical Denso Corp
Publication of DE69406973D1 publication Critical patent/DE69406973D1/de
Application granted granted Critical
Publication of DE69406973T2 publication Critical patent/DE69406973T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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
    • G01D1/00—Measuring arrangements giving results other than momentary value of variable, of general application
    • G01D1/12—Measuring arrangements giving results other than momentary value of variable, of general application giving a maximum or minimum of a value
    • 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
    • G01D5/2448—Correction of gain, threshold, offset or phase control
    • 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
    • G01D5/245—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 using a variable number of pulses in a train
    • G01D5/2454—Encoders incorporating incremental and absolute signals
    • G01D5/2455—Encoders incorporating incremental and absolute signals with incremental and absolute tracks on the same encoder
    • G01D5/2457—Incremental encoders having reference marks
    • 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
    • H03K5/01—Shaping pulses
    • H03K5/08—Shaping pulses by limiting; by thresholding; by slicing, i.e. combined limiting and thresholding
    • H03K5/082—Shaping pulses by limiting; by thresholding; by slicing, i.e. combined limiting and thresholding with an adaptive threshold
    • H03K5/086—Shaping pulses by limiting; by thresholding; by slicing, i.e. combined limiting and thresholding with an adaptive threshold generated by feedback
    • H03K5/088—Shaping pulses by limiting; by thresholding; by slicing, i.e. combined limiting and thresholding with an adaptive threshold generated by feedback modified by switching, e.g. by a periodic signal or by a signal in synchronism with the transitions of the output signal
DE69406973T 1993-04-15 1994-04-14 Ausgangssignalverarbeitungseinheit für einen Sensor Expired - Lifetime DE69406973T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP08889893A JP3336668B2 (ja) 1993-04-15 1993-04-15 センサ信号処理装置
JP32647093A JP3326933B2 (ja) 1993-12-24 1993-12-24 センサ信号処理装置

Publications (2)

Publication Number Publication Date
DE69406973D1 true DE69406973D1 (de) 1998-01-08
DE69406973T2 DE69406973T2 (de) 1998-07-02

Family

ID=26430241

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69406973T Expired - Lifetime DE69406973T2 (de) 1993-04-15 1994-04-14 Ausgangssignalverarbeitungseinheit für einen Sensor

Country Status (3)

Country Link
US (1) US5493219A (de)
EP (1) EP0621460B1 (de)
DE (1) DE69406973T2 (de)

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JP3456041B2 (ja) * 1995-01-12 2003-10-14 株式会社デンソー センサ信号処理装置
JPH08338851A (ja) * 1995-04-11 1996-12-24 Nippondenso Co Ltd 磁気検出装置
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US5917320A (en) * 1996-01-17 1999-06-29 Allegro Microsystems, Inc. Detection of passing magnetic articles while periodically adapting detection threshold
US6525531B2 (en) 1996-01-17 2003-02-25 Allegro, Microsystems, Inc. Detection of passing magnetic articles while adapting the detection threshold
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
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
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
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
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DE10001849C2 (de) * 2000-01-18 2003-11-27 Siemens Ag Vorrichtung und Verfahren zur Auswertung von offsetspannungsbehafteten digitalen Signalen
DE10004080C1 (de) * 2000-01-31 2001-09-06 Infineon Technologies Ag Sensorvorrichtung und Verfahren zur Erzeugung eines Ausgangssignals einer Sensorvorrichtung
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JP3550107B2 (ja) * 2001-05-30 2004-08-04 三菱電機株式会社 回転角度検出装置
JP2003110850A (ja) * 2001-09-26 2003-04-11 Aisin Seiki Co Ltd 信号処理装置
EP2261680B1 (de) * 2002-02-05 2018-10-17 Allegro MicroSystems, LLC Spitze-spitze signaldetektor
DE10213687B4 (de) * 2002-03-27 2005-07-07 Micronas Gmbh Sensor mit Schwellenregeleinrichtung
US20030198302A1 (en) * 2002-04-17 2003-10-23 Wireless Interface Technologies, Inc. DC-tolerant bit slicer and method
JP4260544B2 (ja) * 2003-05-19 2009-04-30 株式会社日立製作所 回転角度検出装置及び回転制御装置
US6727689B1 (en) * 2003-07-24 2004-04-27 Honeywell International Inc. Magnetic-effect sensing apparatus with signal thresholding
US7365530B2 (en) * 2004-04-08 2008-04-29 Allegro Microsystems, Inc. Method and apparatus for vibration detection
US7518414B2 (en) 2004-12-13 2009-04-14 Allegro Microsystems, Inc. Track-and-hold peak detector circuit
US7253614B2 (en) * 2005-03-21 2007-08-07 Allegro Microsystems, Inc. Proximity detector having a sequential flow state machine
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US7362094B2 (en) * 2006-01-17 2008-04-22 Allegro Microsystems, Inc. Methods and apparatus for magnetic article detection
JP2008304348A (ja) * 2007-06-08 2008-12-18 Nippon Densan Corp 電圧信号変換回路およびモータ
US7982454B2 (en) * 2007-06-26 2011-07-19 Allegro Microsystems, Inc. Calibration circuits and methods for a proximity detector using a first rotation detector for a determined time period and a second rotation detector after the determined time period
JP2009192382A (ja) * 2008-02-14 2009-08-27 Aisin Seiki Co Ltd センサ信号処理装置
DE102008049140A1 (de) * 2008-09-26 2010-04-01 Dr. Johannes Heidenhain Gmbh Anordnung und Verfahren zur Erzeugung eines Referenzimpulses für ein Positionsmessgerät
JP5634041B2 (ja) * 2009-02-17 2014-12-03 ローム株式会社 磁気センサ、およびこれを備えた電子機器
JP5312675B2 (ja) * 2010-02-23 2013-10-09 三菱電機株式会社 検出信号処理用２値化回路
US8598867B2 (en) 2010-06-04 2013-12-03 Allegro Microsystems, Llc Circuits and methods for generating a threshold signal used in a motion detector
DE102010064203A1 (de) 2010-12-27 2012-06-28 Robert Bosch Gmbh Verfahren und Vorrichtung zur Bestimmung einer Erkennungsschwelle
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
US9329057B2 (en) 2012-05-31 2016-05-03 Allegro Microsystems, Llc Gear tooth sensor with peak and threshold detectors
CN102826171B (zh) * 2012-07-28 2014-08-06 成都宽和科技有限责任公司 链盘上设磁块位置不均匀分布传感器的助力自行车
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
WO2014171128A1 (ja) 2013-04-18 2014-10-23 株式会社デンソー 回転検出装置
US9664748B2 (en) 2013-06-20 2017-05-30 Allegro Microsystems, Llc Systems and methods for providing signal encoding representative of a signature region in a target
EP3611515B1 (de) 2013-08-30 2022-06-01 Allegro MicroSystems, LLC Schaltungen und verfahren zur erzeugung eines schwellensignals zur verwendung in einem bewegungsmelder
JP6158682B2 (ja) * 2013-10-25 2017-07-05 エスアイアイ・セミコンダクタ株式会社 磁気センサ回路
KR102267082B1 (ko) 2014-03-11 2021-06-18 알레그로 마이크로시스템스, 엘엘씨 스레쉬홀드들의 최소의 분리를 유지하는 자기장 센서 및 상응하는 센싱 방법
US9746345B2 (en) * 2014-10-17 2017-08-29 Tdk-Micronas Gmbh Apparatus and method for determining a rotation angle of a rotor
CN107257122A (zh) * 2017-08-21 2017-10-17 合肥君信信息科技有限公司 一种发电机控制器动态过压方法
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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Also Published As

Publication number Publication date
EP0621460A1 (de) 1994-10-26
EP0621460B1 (de) 1997-11-26
US5493219A (en) 1996-02-20
DE69406973T2 (de) 1998-07-02

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