GB1451907A - Digital frequency meter - Google Patents

Digital frequency meter

Info

Publication number
GB1451907A
GB1451907A GB5263673A GB5263673A GB1451907A GB 1451907 A GB1451907 A GB 1451907A GB 5263673 A GB5263673 A GB 5263673A GB 5263673 A GB5263673 A GB 5263673A GB 1451907 A GB1451907 A GB 1451907A
Authority
GB
United Kingdom
Prior art keywords
counter
frequency
stages
state
store
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
GB5263673A
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.)
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 GB1451907A publication Critical patent/GB1451907A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R23/00Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
    • G01R23/02Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage
    • G01R23/10Arrangements 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)
GB5263673A 1972-11-24 1973-11-13 Digital frequency meter Expired GB1451907A (en)

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
GB1451907A true GB1451907A (en) 1976-10-06

Family

ID=5862579

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5263673A Expired GB1451907A (en) 1972-11-24 1973-11-13 Digital frequency meter

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
DE2912172A1 (de) * 1978-03-31 1979-10-11 Honeywell Inc Digitale anzeigeeinrichtung

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
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
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 (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 (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2912172A1 (de) * 1978-03-31 1979-10-11 Honeywell Inc Digitale anzeigeeinrichtung

Also Published As

Publication number Publication date
FR2208120A1 (enExample) 1974-06-21
DE2257578A1 (de) 1974-06-06
FR2208120B3 (enExample) 1976-10-15
US3909716A (en) 1975-09-30

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee