DK529476A - Kredslob til sammenligning af frekvenser - Google Patents

Kredslob til sammenligning af frekvenser

Info

Publication number
DK529476A
DK529476A DK529476A DK529476A DK529476A DK 529476 A DK529476 A DK 529476A DK 529476 A DK529476 A DK 529476A DK 529476 A DK529476 A DK 529476A DK 529476 A DK529476 A DK 529476A
Authority
DK
Denmark
Prior art keywords
comparison circuit
frequency comparison
frequency
circuit
comparison
Prior art date
Application number
DK529476A
Other languages
English (en)
Other versions
DK154383B (da
DK154383C (da
Inventor
P Agnus
H Butin
Original Assignee
Thomson Csf
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 Thomson Csf filed Critical Thomson Csf
Publication of DK529476A publication Critical patent/DK529476A/da
Publication of DK154383B publication Critical patent/DK154383B/da
Application granted granted Critical
Publication of DK154383C publication Critical patent/DK154383C/da

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
    • G01R23/005—Circuits for comparing several input signals and for indicating the result of this comparison, e.g. equal, different, greater, smaller (comparing phase or frequency of 2 mutually independent oscillations in demodulators)

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Manipulation Of Pulses (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Measuring Frequencies, Analyzing Spectra (AREA)
DK529476A 1975-11-25 1976-11-24 Kredsloeb til sammenligning af frekvenser DK154383C (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7536003A FR2333247A1 (fr) 1975-11-25 1975-11-25 Circuit de comparaison de frequences et dispositif de selection comportant un tel circuit
FR7536003 1975-11-25

Publications (3)

Publication Number Publication Date
DK529476A true DK529476A (da) 1977-05-26
DK154383B DK154383B (da) 1988-11-07
DK154383C DK154383C (da) 1989-04-17

Family

ID=9162861

Family Applications (1)

Application Number Title Priority Date Filing Date
DK529476A DK154383C (da) 1975-11-25 1976-11-24 Kredsloeb til sammenligning af frekvenser

Country Status (8)

Country Link
US (1) US4059804A (da)
JP (1) JPS5265483A (da)
DE (1) DE2653501C3 (da)
DK (1) DK154383C (da)
FR (1) FR2333247A1 (da)
GB (1) GB1549678A (da)
NL (1) NL7612966A (da)
SE (1) SE408111B (da)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4216463A (en) * 1978-08-10 1980-08-05 Motorola, Inc. Programmable digital tone detector
EP0059773B1 (de) * 1981-03-09 1984-02-01 Deutsche ITT Industries GmbH Digitalschaltung zur Abgabe eines Binärsignals beim Auftreten eines fest vorgegebenen Frequenzverhältnisses zweier Signale und deren Verwendung in Farbfernsehempfängern
SE526369C2 (sv) * 2003-10-30 2005-08-30 Infineon Technologies Ag Komparator
US11171624B2 (en) * 2018-12-26 2021-11-09 Texas Instruments Incorporated Voltage sensor device based on a tunable bulk acoustic wave (BAW) resonator
RU2726882C1 (ru) * 2019-10-30 2020-07-16 Акционерное общество "Информационные спутниковые системы"им. академика М.Ф.Решетнева" Цифровая схема сравнения частот

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3200340A (en) * 1962-11-29 1965-08-10 Ampex Synchronization monitor
US3626307A (en) * 1969-02-14 1971-12-07 Iwasaki Tsushinki Kaisha A K A Counting system for measuring a difference between frequencies of two signals
US3735324A (en) * 1971-12-02 1973-05-22 Us Navy Digital frequency discriminator
US3956705A (en) * 1974-03-15 1976-05-11 Sun Oil Company Of Pennsylvania Pulse rate comparison circuit

Also Published As

Publication number Publication date
GB1549678A (en) 1979-08-08
DK154383B (da) 1988-11-07
DK154383C (da) 1989-04-17
DE2653501C3 (de) 1980-12-11
DE2653501A1 (de) 1977-05-26
DE2653501B2 (de) 1980-04-17
SE408111B (sv) 1979-05-14
JPS5265483A (en) 1977-05-30
JPS5619916B2 (da) 1981-05-11
FR2333247A1 (fr) 1977-06-24
NL7612966A (nl) 1977-05-27
US4059804A (en) 1977-11-22
SE7613093L (sv) 1977-05-25
FR2333247B1 (da) 1981-04-10

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