FR2208120A1 - - Google Patents

Info

Publication number
FR2208120A1
FR2208120A1 FR7342646A FR7342646A FR2208120A1 FR 2208120 A1 FR2208120 A1 FR 2208120A1 FR 7342646 A FR7342646 A FR 7342646A FR 7342646 A FR7342646 A FR 7342646A FR 2208120 A1 FR2208120 A1 FR 2208120A1
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
FR7342646A
Other versions
FR2208120B3 (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.)
Wandel and Golterman GmbH and Co
Original Assignee
Wandel and Golterman GmbH and 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 Wandel and Golterman GmbH and Co filed Critical Wandel and Golterman GmbH and Co
Publication of FR2208120A1 publication Critical patent/FR2208120A1/fr
Application granted granted Critical
Publication of FR2208120B3 publication Critical patent/FR2208120B3/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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Frequencies, Analyzing Spectra (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
FR7342646A 1972-11-24 1973-11-23 Expired FR2208120B3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2257578A DE2257578A1 (de) 1972-11-24 1972-11-24 Frequenzzaehler

Publications (2)

Publication Number Publication Date
FR2208120A1 true FR2208120A1 (fr) 1974-06-21
FR2208120B3 FR2208120B3 (fr) 1976-10-15

Family

ID=5862579

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7342646A Expired FR2208120B3 (fr) 1972-11-24 1973-11-23

Country Status (4)

Country Link
US (1) US3909716A (fr)
DE (1) DE2257578A1 (fr)
FR (1) FR2208120B3 (fr)
GB (1) GB1451907A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2410825A1 (fr) * 1977-12-05 1979-06-29 Ford France Indicateur de vitesse numerique, notamment pour vehicule automobile
FR2439385A1 (fr) * 1978-10-17 1980-05-16 Jaeger Perfectionnements a la commande des dispositifs d'affichage a tambours electro-magnetiques

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5128727A (fr) * 1974-09-04 1976-03-11 Canon Kk
US4027146A (en) * 1976-03-23 1977-05-31 Heath Company High speed accurate low frequency counter
US4443766A (en) * 1976-06-15 1984-04-17 The United States Of America As Represented By The Secretary Of The Air Force Precision digital sampler
US4181957A (en) * 1978-03-31 1980-01-01 Honeywell Inc. Means for correlation of digital display of a setpoint and an actual controlled value
NL8200050A (nl) * 1982-01-08 1983-08-01 Philips Nv Prequentiesyntheseschakeling.
US4541105A (en) * 1984-03-23 1985-09-10 Sundstrand Data Control, Inc. Counting apparatus and method for frequency sampling
CA1274876A (fr) * 1986-10-15 1990-10-02 Myles Mcmillan Appareil pour mesurer la frequence de signaux hyperfrequence
US4786861A (en) * 1987-09-01 1988-11-22 Sundstrand Data Control, Inc. Frequency counting apparatus and method
CN108333425B (zh) * 2018-01-16 2024-03-29 南昌大学 一种数字频率计

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE632672A (fr) * 1962-05-26
US3735387A (en) * 1969-08-21 1973-05-22 Gen Electric Means for inhibiting flutter in a numerical display
US3689747A (en) * 1970-12-09 1972-09-05 Ibm Digital evaporation monitor system
US3681707A (en) * 1971-04-27 1972-08-01 Autech Corp Digital adf tuning indicator

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2410825A1 (fr) * 1977-12-05 1979-06-29 Ford France Indicateur de vitesse numerique, notamment pour vehicule automobile
FR2439385A1 (fr) * 1978-10-17 1980-05-16 Jaeger Perfectionnements a la commande des dispositifs d'affichage a tambours electro-magnetiques

Also Published As

Publication number Publication date
DE2257578A1 (de) 1974-06-06
US3909716A (en) 1975-09-30
FR2208120B3 (fr) 1976-10-15
GB1451907A (en) 1976-10-06

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