CH559367A5 - Measuring number of revolutions of rotating bodies - while adjusting threshold value of signals from sensor depending on amplitude - Google Patents

Measuring number of revolutions of rotating bodies - while adjusting threshold value of signals from sensor depending on amplitude

Info

Publication number
CH559367A5
CH559367A5 CH832773A CH832773A CH559367A5 CH 559367 A5 CH559367 A5 CH 559367A5 CH 832773 A CH832773 A CH 832773A CH 832773 A CH832773 A CH 832773A CH 559367 A5 CH559367 A5 CH 559367A5
Authority
CH
Switzerland
Prior art keywords
threshold value
amplitude
signals
electrical signal
revolutions
Prior art date
Application number
CH832773A
Original Assignee
Heberlein & Co Ag
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 Heberlein & Co Ag filed Critical Heberlein & Co Ag
Priority to CH832773A priority Critical patent/CH559367A5/en
Publication of CH559367A5 publication Critical patent/CH559367A5/en

Links

Classifications

    • 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
    • G01P3/4802—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage by using electronic circuits in general

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)

Abstract

Formerly signals from a sensor were converted into an alternating electrical signal, which was transformed into an impulse sequence whose frequency was measured. The individual impulses were released only where the electrical signal reached a fixed threshold value above zero. The measured value signal is now fed to a positive and a negative peak rectifier (7/7a), each connected to a voltage conductor (8/8a), which are connected to comparators (9/9a). These also receive the measured value signal direct and have their respective outlets connected to the set and reset inlets of a bistable flip-flop connected to a frequency meter. The level of the threshold value is therefore adjusted according to the amplitude of the electrical signal during the previous half-wave.
CH832773A 1973-06-08 1973-06-08 Measuring number of revolutions of rotating bodies - while adjusting threshold value of signals from sensor depending on amplitude CH559367A5 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CH832773A CH559367A5 (en) 1973-06-08 1973-06-08 Measuring number of revolutions of rotating bodies - while adjusting threshold value of signals from sensor depending on amplitude

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH832773A CH559367A5 (en) 1973-06-08 1973-06-08 Measuring number of revolutions of rotating bodies - while adjusting threshold value of signals from sensor depending on amplitude

Publications (1)

Publication Number Publication Date
CH559367A5 true CH559367A5 (en) 1975-02-28

Family

ID=4338625

Family Applications (1)

Application Number Title Priority Date Filing Date
CH832773A CH559367A5 (en) 1973-06-08 1973-06-08 Measuring number of revolutions of rotating bodies - while adjusting threshold value of signals from sensor depending on amplitude

Country Status (1)

Country Link
CH (1) CH559367A5 (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0079035A1 (en) * 1981-11-06 1983-05-18 Robert Bosch Gmbh Tachosensor for generating velocity dependent electrical signals
EP0590190A1 (en) * 1992-09-30 1994-04-06 Siemens Aktiengesellschaft Signal generator
EP0833162A3 (en) * 1996-09-27 1999-04-07 Canon Denshi Kabushiki Kaisha Tire magnetization method, tire magnetized by the tire magnetization method, tire magnetic field detection method, tire revolution detection signal processing method, and tire revolution detection apparatus
DE19961876A1 (en) * 1999-12-20 2001-06-28 Micronas Gmbh Method for detecting the speed and the angular position of a rotating wheel
US7262591B2 (en) 2000-12-20 2007-08-28 Micronas Gmbh Technique for sensing the rotational speed and angular position of a rotating wheel
US7369960B2 (en) 2002-11-06 2008-05-06 Micronas Gmbh Device and method for detecting an angular position of a rotating object

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0079035A1 (en) * 1981-11-06 1983-05-18 Robert Bosch Gmbh Tachosensor for generating velocity dependent electrical signals
EP0590190A1 (en) * 1992-09-30 1994-04-06 Siemens Aktiengesellschaft Signal generator
EP0833162A3 (en) * 1996-09-27 1999-04-07 Canon Denshi Kabushiki Kaisha Tire magnetization method, tire magnetized by the tire magnetization method, tire magnetic field detection method, tire revolution detection signal processing method, and tire revolution detection apparatus
US6104593A (en) * 1996-09-27 2000-08-15 Canon Denshi Kabushiki Kaisha Tire magnetization method, tire magnetized by the tire magnetization method, tire magnetic field detection method, tire revolution detection signal processing method, and tire revolution detection apparatus
US6404182B1 (en) 1996-09-27 2002-06-11 Canon Denshi Kabushiki Kaisha Method for detecting the magnetic field of a tire
DE19961876A1 (en) * 1999-12-20 2001-06-28 Micronas Gmbh Method for detecting the speed and the angular position of a rotating wheel
US6965227B2 (en) 1999-12-20 2005-11-15 Micronas Gmbh Technique for sensing the rotational speed and angular position of a rotating wheel using a variable threshold
US7262591B2 (en) 2000-12-20 2007-08-28 Micronas Gmbh Technique for sensing the rotational speed and angular position of a rotating wheel
US7369960B2 (en) 2002-11-06 2008-05-06 Micronas Gmbh Device and method for detecting an angular position of a rotating object

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Legal Events

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PLZ Patent of addition ceased