NL7612966A - Frequentievergelijkingscircuit. - Google Patents

Frequentievergelijkingscircuit.

Info

Publication number
NL7612966A
NL7612966A NL7612966A NL7612966A NL7612966A NL 7612966 A NL7612966 A NL 7612966A NL 7612966 A NL7612966 A NL 7612966A NL 7612966 A NL7612966 A NL 7612966A NL 7612966 A NL7612966 A NL 7612966A
Authority
NL
Netherlands
Prior art keywords
comparison circuit
frequency comparison
frequency
circuit
comparison
Prior art date
Application number
NL7612966A
Other languages
English (en)
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 NL7612966A publication Critical patent/NL7612966A/nl

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)
NL7612966A 1975-11-25 1976-11-22 Frequentievergelijkingscircuit. NL7612966A (nl)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
NL7612966A true NL7612966A (nl) 1977-05-27

Family

ID=9162861

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7612966A NL7612966A (nl) 1975-11-25 1976-11-22 Frequentievergelijkingscircuit.

Country Status (8)

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

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
DE3162076D1 (en) * 1981-03-09 1984-03-08 Itt Ind Gmbh Deutsche Digital circuit delivering a binary signal whenever two signals have a predetermined frequency ratio, and its use in colour television receivers
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
FR2333247A1 (fr) 1977-06-24
SE7613093L (sv) 1977-05-25
US4059804A (en) 1977-11-22
DK154383B (da) 1988-11-07
JPS5619916B2 (nl) 1981-05-11
FR2333247B1 (nl) 1981-04-10
DK529476A (da) 1977-05-26
SE408111B (sv) 1979-05-14
DE2653501C3 (de) 1980-12-11
DE2653501B2 (de) 1980-04-17
JPS5265483A (en) 1977-05-30
DE2653501A1 (de) 1977-05-26
DK154383C (da) 1989-04-17
GB1549678A (en) 1979-08-08

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Legal Events

Date Code Title Description
BV The patent application has lapsed