FR1592918A - - Google Patents

Info

Publication number
FR1592918A
FR1592918A FR1592918DA FR1592918A FR 1592918 A FR1592918 A FR 1592918A FR 1592918D A FR1592918D A FR 1592918DA FR 1592918 A FR1592918 A FR 1592918A
Authority
FR
France
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
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 filed Critical
Application granted granted Critical
Publication of FR1592918A publication Critical patent/FR1592918A/fr
Expired 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
    • G01R23/15—Indicating that frequency of pulses is either above or below a predetermined value or within or outside a predetermined range of values, by making use of non-linear or digital elements (indicating that pulse width is above or below a certain limit)
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Manipulation Of Pulses (AREA)
  • Measuring Frequencies, Analyzing Spectra (AREA)
FR1592918D 1967-11-24 1968-11-22 Expired FR1592918A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB53664/67A GB1185660A (en) 1967-11-24 1967-11-24 Determining the Fractional Change in Period of an Oscillation

Publications (1)

Publication Number Publication Date
FR1592918A true FR1592918A (fr) 1970-05-19

Family

ID=10468587

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1592918D Expired FR1592918A (fr) 1967-11-24 1968-11-22

Country Status (4)

Country Link
US (1) US3585508A (fr)
DE (1) DE1809810A1 (fr)
FR (1) FR1592918A (fr)
GB (1) GB1185660A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2404858A1 (fr) * 1977-10-03 1979-04-27 Raytheon Co Appareil de mesure de frequence
FR2531228A1 (fr) * 1982-08-02 1984-02-03 Raytheon Co Appareil de mesure de frequence

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3699255A (en) * 1970-06-24 1972-10-17 Susquehanna Corp Method and apparatus for measuring speed-error in a pulse train
US3729587A (en) * 1971-07-12 1973-04-24 Bendix Corp Voltage tunable frequency threshold circuit
US3739287A (en) * 1971-11-15 1973-06-12 Bell Telephone Labor Inc Phase difference detection circuit
US3786358A (en) * 1972-12-27 1974-01-15 Ibm Method and apparatus for detecting the beginning of data block
US4084127A (en) * 1976-07-29 1978-04-11 Rca Corporation Digital frequency deviation detector useful in a television tuning system
US4278903A (en) * 1978-04-28 1981-07-14 Tokyo Shibaura Denki Kabushiki Kaisha Phase comparison circuit
US4446447A (en) * 1980-12-22 1984-05-01 Ford Motor Company Circuit for converting pressure variation to frequency variation
US4341995A (en) * 1981-05-29 1982-07-27 American Optical Corporation Velocity profile analyzer

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3058063A (en) * 1959-05-29 1962-10-09 North American Aviation Inc Frequency comparison means
US3235800A (en) * 1961-06-26 1966-02-15 Leeds & Northrup Co System for measuring frequency by comparing unknown to reference and determining therate of change of phase
US3244959A (en) * 1962-08-27 1966-04-05 Westinghouse Electric Corp Frequency to voltage transducer
GB1070903A (en) * 1963-02-21 1967-06-07 Plessey Uk Ltd Improvements in or relating to frequency comparing systems
US3430149A (en) * 1965-12-22 1969-02-25 Us Navy Frequency control system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2404858A1 (fr) * 1977-10-03 1979-04-27 Raytheon Co Appareil de mesure de frequence
FR2531228A1 (fr) * 1982-08-02 1984-02-03 Raytheon Co Appareil de mesure de frequence

Also Published As

Publication number Publication date
DE1809810A1 (de) 1969-06-26
GB1185660A (en) 1970-03-25
US3585508A (en) 1971-06-15

Similar Documents

Publication Publication Date Title
AU5765369A (fr)
FR1569302A (fr)
AU2277767A (fr)
FR1582335A (fr)
AU2454867A (fr)
AU2256867A (fr)
AU610966A (fr)
AU2528767A (fr)
AU2116667A (fr)
AU2977667A (fr)
BE692922A (fr)
BE692553A (fr)
BE711494A (fr)
BE710477A (fr)
AU1763766A (fr)
AU3054676A (fr)
BE709856A (fr)
BE708321A (fr)
BE706099A (fr)
BE705322A (fr)
BE702132A (fr)
BE696992A (fr)
BE693075A (fr)
AU23366A (fr)
AU1677166A (fr)

Legal Events

Date Code Title Description
ST Notification of lapse