FR2182207A1 - - Google Patents

Info

Publication number
FR2182207A1
FR2182207A1 FR7315457A FR7315457A FR2182207A1 FR 2182207 A1 FR2182207 A1 FR 2182207A1 FR 7315457 A FR7315457 A FR 7315457A FR 7315457 A FR7315457 A FR 7315457A FR 2182207 A1 FR2182207 A1 FR 2182207A1
Authority
FR
France
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.)
Granted
Application number
FR7315457A
Other versions
FR2182207B1 (fr
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of FR2182207A1 publication Critical patent/FR2182207A1/fr
Application granted granted Critical
Publication of FR2182207B1 publication Critical patent/FR2182207B1/fr
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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/06—Continuously compensating for, or preventing, undesired influence of physical parameters
    • H03M1/08—Continuously compensating for, or preventing, undesired influence of physical parameters of noise

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Frequencies, Analyzing Spectra (AREA)
  • Linear Or Angular Velocity Measurement And Their Indicating Devices (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
FR7315457A 1972-04-28 1973-04-27 Expired FR2182207B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2220878A DE2220878C3 (de) 1972-04-28 1972-04-28 Schaltungsanordnung zur digitalen Frequenzmessung

Publications (2)

Publication Number Publication Date
FR2182207A1 true FR2182207A1 (fr) 1973-12-07
FR2182207B1 FR2182207B1 (fr) 1976-09-10

Family

ID=5843540

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7315457A Expired FR2182207B1 (fr) 1972-04-28 1973-04-27

Country Status (8)

Country Link
US (1) US3829785A (fr)
JP (1) JPS4942376A (fr)
DE (1) DE2220878C3 (fr)
FR (1) FR2182207B1 (fr)
GB (1) GB1420420A (fr)
IT (1) IT994053B (fr)
NL (1) NL7305666A (fr)
SE (1) SE386279B (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2370286A1 (fr) * 1976-11-09 1978-06-02 Girling Ltd Systeme de mesure de vitesse
FR2425638A1 (fr) * 1978-05-08 1979-12-07 Wagner Electric Corp Frequencemetre a echantillonnage
FR2525347A1 (fr) * 1982-04-15 1983-10-21 Teves Gmbh Alfred Procede et dispositif pour produire des valeurs numeriques proportionnelles a la frequence d'impulsions de mesure qui appartiennent a un train d'impulsions de mesure
EP0177557A1 (fr) * 1984-03-23 1986-04-16 Sundstrand Data Control Appareil de comptage et procede d'echantillonnage de frequence.

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4034745A (en) * 1976-03-15 1977-07-12 Bloom Kenneth A Cardiotachometer
US4027146A (en) * 1976-03-23 1977-05-31 Heath Company High speed accurate low frequency counter
JPS5356070A (en) * 1976-11-01 1978-05-22 Toshiba Corp Pulse counter
JPS5474475A (en) * 1977-11-25 1979-06-14 Nissin Electric Co Ltd Average power detection system
JPS5492372A (en) * 1977-12-29 1979-07-21 Nissin Electric Co Ltd Average wattage detection system
US4251869A (en) * 1979-05-14 1981-02-17 Fischer & Porter Company Frequency-to-binary converter
EP0035256B1 (fr) * 1980-03-04 1983-07-13 Siemens Aktiengesellschaft Pastille de getter et procédé pour sa fabrication
US4363099A (en) * 1980-03-13 1982-12-07 Hydro-Quebec Method and system for measuring frequency deviation of low frequency signals
US4434470A (en) * 1981-02-09 1984-02-28 The Bendix Corporation Speed measurement system with means for calculating the exact time period of a known quantity of speed pulses
JPS57144465A (en) * 1981-02-28 1982-09-07 Hitachi Ltd Speed detecting method
DE3107938A1 (de) * 1981-03-02 1982-09-16 Siemens AG, 1000 Berlin und 8000 München Vorrichtung zur drehzahlerfassung
GB2095013B (en) * 1981-03-18 1984-10-17 Philips Electronic Associated Multi-tone sequential call signal detector
JPS5848868A (ja) * 1981-09-18 1983-03-22 Fuji Electric Co Ltd パルス周波数測定方法
US4485452A (en) * 1982-03-22 1984-11-27 The Bendix Corporation Speed measurement system
JPS5913957A (ja) * 1982-07-15 1984-01-24 Fanuc Ltd 速度検出回路
JPS601566A (ja) * 1983-06-17 1985-01-07 Fuji Electric Co Ltd 速度検出装置
DE3336359A1 (de) * 1983-10-06 1985-04-18 Elster AG, Meß- und Regeltechnik, 6700 Ludwigshafen Verfahren zum messen von frequenz oder periodendauer
CH664762A5 (de) * 1984-08-30 1988-03-31 Sandoz Ag Thiophen-azofarbstoffe.
JPH01193650A (ja) * 1988-01-28 1989-08-03 Railway Technical Res Inst 車両の速度算出方式
US5323437A (en) * 1992-09-16 1994-06-21 Honeywell Inc. Full and partial cycle counting apparatus and method
DE102005022965A1 (de) * 2005-05-19 2006-11-23 Knick Elektronische Messgeräte GmbH & Co. KG Verfahren zur Analog-Digital-Wandlung eines Messsignals auf der Basis einer Spannungs-Frequenz-Wandlung

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2992384A (en) * 1959-07-06 1961-07-11 Thompson Ramo Wooldridge Inc Frequency counter
US3524131A (en) * 1967-09-25 1970-08-11 John A Mcwaid High speed frequency computing apparatus
US3651414A (en) * 1970-04-30 1972-03-21 Lorain Prod Corp Variable frequency system
US3725794A (en) * 1972-02-07 1973-04-03 Gte Sylvania Inc Interpolating apparatus

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2370286A1 (fr) * 1976-11-09 1978-06-02 Girling Ltd Systeme de mesure de vitesse
FR2425638A1 (fr) * 1978-05-08 1979-12-07 Wagner Electric Corp Frequencemetre a echantillonnage
FR2525347A1 (fr) * 1982-04-15 1983-10-21 Teves Gmbh Alfred Procede et dispositif pour produire des valeurs numeriques proportionnelles a la frequence d'impulsions de mesure qui appartiennent a un train d'impulsions de mesure
EP0177557A1 (fr) * 1984-03-23 1986-04-16 Sundstrand Data Control Appareil de comptage et procede d'echantillonnage de frequence.
EP0177557A4 (fr) * 1984-03-23 1986-08-21 Sundstrand Data Control Appareil de comptage et procede d'echantillonnage de frequence.

Also Published As

Publication number Publication date
SE386279B (sv) 1976-08-02
DE2220878B2 (de) 1981-05-27
NL7305666A (fr) 1973-10-30
FR2182207B1 (fr) 1976-09-10
DE2220878C3 (de) 1982-04-22
DE2220878A1 (de) 1973-11-08
JPS4942376A (fr) 1974-04-20
IT994053B (it) 1975-10-20
GB1420420A (en) 1976-01-07
US3829785A (en) 1974-08-13

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Legal Events

Date Code Title Description
ST Notification of lapse