SE373670B - Sett och anordning for att overvaka en variabel frekvens - Google Patents

Sett och anordning for att overvaka en variabel frekvens

Info

Publication number
SE373670B
SE373670B SE7116484A SE1648471A SE373670B SE 373670 B SE373670 B SE 373670B SE 7116484 A SE7116484 A SE 7116484A SE 1648471 A SE1648471 A SE 1648471A SE 373670 B SE373670 B SE 373670B
Authority
SE
Sweden
Prior art keywords
monitoring
variable frequency
variable
frequency
Prior art date
Application number
SE7116484A
Other languages
English (en)
Inventor
M C B Russel
C L Desborough
Original Assignee
Atomic Energy Authority Uk
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 Atomic Energy Authority Uk filed Critical Atomic Energy Authority Uk
Publication of SE373670B publication Critical patent/SE373670B/sv

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)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
SE7116484A 1970-12-23 1971-12-22 Sett och anordning for att overvaka en variabel frekvens SE373670B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB6126770 1970-12-23

Publications (1)

Publication Number Publication Date
SE373670B true SE373670B (sv) 1975-02-10

Family

ID=10486799

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7116484A SE373670B (sv) 1970-12-23 1971-12-22 Sett och anordning for att overvaka en variabel frekvens

Country Status (4)

Country Link
US (1) US3803486A (sv)
DE (1) DE2164138A1 (sv)
GB (1) GB1333429A (sv)
SE (1) SE373670B (sv)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE378037B (sv) * 1973-11-22 1975-08-11 Asea Ab
US3909599A (en) * 1973-11-23 1975-09-30 Teledyne Ind Digital FM discriminator
US4041387A (en) * 1975-09-18 1977-08-09 Hewlett-Packard Company Apparatus and method for measuring the frequency of a sweeping signal
AU4687179A (en) * 1978-05-15 1979-11-22 General Electric Company Limited, The Comparators employing magneto-electric devices
US4350952A (en) * 1979-11-05 1982-09-21 Outboard Marine Corporation Digital read-out meter circuit and tachometer with variable meter update rate using an up/down counter means
US4454470A (en) * 1981-12-29 1984-06-12 General Electric Company Method and apparatus for frequency measurement of an alternating current signal
US4914600A (en) * 1987-06-05 1990-04-03 Gruman Aerospace Corporation Programmable frequency identifier circuit
GB8809189D0 (en) * 1988-04-19 1988-05-25 Wisdom P Device
FR2685990A1 (fr) * 1992-01-02 1993-07-09 Sgs Thomson Microelectronics Detecteur de verrouillage d'une boucle a verrouillage de phase.
CN110470903B (zh) * 2019-07-31 2021-08-17 山东建筑大学 一种电压频率软测量装置和方法

Also Published As

Publication number Publication date
GB1333429A (en) 1973-10-10
DE2164138A1 (de) 1972-07-13
US3803486A (en) 1974-04-09

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