DE2257578A1 - Frequenzzaehler - Google Patents

Frequenzzaehler

Info

Publication number
DE2257578A1
DE2257578A1 DE2257578A DE2257578A DE2257578A1 DE 2257578 A1 DE2257578 A1 DE 2257578A1 DE 2257578 A DE2257578 A DE 2257578A DE 2257578 A DE2257578 A DE 2257578A DE 2257578 A1 DE2257578 A1 DE 2257578A1
Authority
DE
Germany
Prior art keywords
counting
counter
frequency
gate
signal
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.)
Pending
Application number
DE2257578A
Other languages
German (de)
English (en)
Inventor
Hermann-Josef Diekers
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
Priority to DE2257578A priority Critical patent/DE2257578A1/de
Priority to GB5263673A priority patent/GB1451907A/en
Priority to FR7342646A priority patent/FR2208120B3/fr
Priority to US418973A priority patent/US3909716A/en
Publication of DE2257578A1 publication Critical patent/DE2257578A1/de
Pending 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)
DE2257578A 1972-11-24 1972-11-24 Frequenzzaehler Pending DE2257578A1 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE2257578A DE2257578A1 (de) 1972-11-24 1972-11-24 Frequenzzaehler
GB5263673A GB1451907A (en) 1972-11-24 1973-11-13 Digital frequency meter
FR7342646A FR2208120B3 (enExample) 1972-11-24 1973-11-23
US418973A US3909716A (en) 1972-11-24 1973-11-26 Digital frequency meter

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
DE2257578A1 true DE2257578A1 (de) 1974-06-06

Family

ID=5862579

Family Applications (1)

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

Country Status (4)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108333425A (zh) * 2018-01-16 2018-07-27 南昌大学 一种数字频率计

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5128727A (enExample) * 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
US4151466A (en) * 1977-12-05 1979-04-24 Ford Motor Company Digital speedometer with index counter control of display
US4181957A (en) * 1978-03-31 1980-01-01 Honeywell Inc. Means for correlation of digital display of a setpoint and an actual controlled value
FR2439385A1 (fr) * 1978-10-17 1980-05-16 Jaeger Perfectionnements a la commande des dispositifs d'affichage a tambours electro-magnetiques
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 (en) * 1986-10-15 1990-10-02 Myles Mcmillan Apparatus for measuring the frequency of microwave signals
US4786861A (en) * 1987-09-01 1988-11-22 Sundstrand Data Control, Inc. Frequency counting apparatus and method

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE632672A (enExample) * 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
CN108333425A (zh) * 2018-01-16 2018-07-27 南昌大学 一种数字频率计
CN108333425B (zh) * 2018-01-16 2024-03-29 南昌大学 一种数字频率计

Also Published As

Publication number Publication date
FR2208120A1 (enExample) 1974-06-21
GB1451907A (en) 1976-10-06
FR2208120B3 (enExample) 1976-10-15
US3909716A (en) 1975-09-30

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