GB1603956A - Measuring apparatus for determining the cycle duration of an ac waveform - Google Patents

Measuring apparatus for determining the cycle duration of an ac waveform Download PDF

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Publication number
GB1603956A
GB1603956A GB2219178A GB2219178A GB1603956A GB 1603956 A GB1603956 A GB 1603956A GB 2219178 A GB2219178 A GB 2219178A GB 2219178 A GB2219178 A GB 2219178A GB 1603956 A GB1603956 A GB 1603956A
Authority
GB
United Kingdom
Prior art keywords
waveform
store
frequency
measuring apparatus
counter
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
Application number
GB2219178A
Other languages
English (en)
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 GB1603956A publication Critical patent/GB1603956A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
    • G01R23/02—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage
    • G01R23/10—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage by converting frequency into a train of pulses, which are then counted, i.e. converting the signal into a square wave
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Frequencies, Analyzing Spectra (AREA)
GB2219178A 1978-01-14 1978-05-24 Measuring apparatus for determining the cycle duration of an ac waveform Expired GB1603956A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19782801520 DE2801520A1 (de) 1978-01-14 1978-01-14 Messeinrichtung zur bestimmung der periodendauer einer wechselspannung

Publications (1)

Publication Number Publication Date
GB1603956A true GB1603956A (en) 1981-12-02

Family

ID=6029495

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2219178A Expired GB1603956A (en) 1978-01-14 1978-05-24 Measuring apparatus for determining the cycle duration of an ac waveform

Country Status (2)

Country Link
DE (1) DE2801520A1 (enrdf_load_stackoverflow)
GB (1) GB1603956A (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2119526A (en) * 1982-04-19 1983-11-16 Gen Electric Analysing waveforms
GB2277647A (en) * 1993-04-27 1994-11-02 Daimler Benz Ag Counting clock pulses for measuring period length
US5918952A (en) * 1991-02-02 1999-07-06 Robert Bosch Gmbh Wheel slippage control system

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3145162A1 (de) * 1981-11-13 1983-05-26 AEG-Kanis Turbinenfabrik GmbH, 8500 Nürnberg Verfahren zur messung und ueberwachung der drehzahl von schnellaufenden maschinen
DE3412235A1 (de) * 1984-04-02 1985-10-10 Siemens AG, 1000 Berlin und 8000 München Schaltungsanordnung zur drehzahlregelung eines elektronisch kommutierten motors
FR2566132B1 (fr) * 1984-06-18 1987-02-06 Aerospatiale Procede et dispositif pour la mesure de la periode d'un signal pseudosinusoidal et leurs applications
CH670341A5 (enrdf_load_stackoverflow) * 1986-07-23 1989-05-31 Bien Air
DE3721827A1 (de) * 1987-07-02 1989-01-12 Daimler Benz Ag Einrichtung zur messung der frequenz eines von einem signalerzeuger erzeugten sinusfoermigen signals
US5225749A (en) * 1990-09-26 1993-07-06 Mitsubishi Denki Kabushiki Kaisha System for controlling the rotational speed of a rotary member
JP2728774B2 (ja) * 1990-09-26 1998-03-18 三菱電機株式会社 回転体の速度制御装置
DE4444362A1 (de) * 1994-12-14 1996-06-27 Bosch Gmbh Robert Verfahren zum Ermitteln der Drehzahl eines rotierenden Teils
DE19536840A1 (de) * 1995-10-02 1997-04-03 Asea Brown Boveri Verfahren zur Drehzahlmessung

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2519867C2 (de) * 1975-05-03 1983-02-24 Alfred Teves Gmbh, 6000 Frankfurt Digitale Nachlaufregelschaltung zur Drehgeschwindigkeitsmessung, insbesondere für Antiblockierregelsysteme
CH601804A5 (enrdf_load_stackoverflow) * 1975-11-24 1978-07-14 Patelhold Patentverwertung
DE2553806C3 (de) * 1975-11-29 1979-03-29 Wabco Westinghouse Gmbh, 3000 Hannover Schaltungsanordnung zur digitalen Messung der Periodendauer einer Wechselspannung

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2119526A (en) * 1982-04-19 1983-11-16 Gen Electric Analysing waveforms
US5918952A (en) * 1991-02-02 1999-07-06 Robert Bosch Gmbh Wheel slippage control system
GB2277647A (en) * 1993-04-27 1994-11-02 Daimler Benz Ag Counting clock pulses for measuring period length
US5440602A (en) * 1993-04-27 1995-08-08 Daimler-Benz Ag Method and device for counting clock pulses for measuring period length
GB2277647B (en) * 1993-04-27 1996-11-27 Daimler Benz Ag Method and device for counting clock pulses for the purpose of measuring period length

Also Published As

Publication number Publication date
DE2801520A1 (de) 1979-07-19
DE2801520C2 (enrdf_load_stackoverflow) 1987-08-20

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Legal Events

Date Code Title Description
PS Patent sealed
746 Register noted 'licences of right' (sect. 46/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19960524