FR2008840A1 - - Google Patents

Info

Publication number
FR2008840A1
FR2008840A1 FR6904357A FR6904357A FR2008840A1 FR 2008840 A1 FR2008840 A1 FR 2008840A1 FR 6904357 A FR6904357 A FR 6904357A FR 6904357 A FR6904357 A FR 6904357A FR 2008840 A1 FR2008840 A1 FR 2008840A1
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.)
Withdrawn
Application number
FR6904357A
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.)
GEN RADIO CO
General Radio Co
Original Assignee
GEN RADIO CO
General Radio 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 GEN RADIO CO, General Radio Co filed Critical GEN RADIO CO
Publication of FR2008840A1 publication Critical patent/FR2008840A1/fr
Withdrawn legal-status Critical Current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
    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F10/00—Apparatus for measuring unknown time intervals by electric means
    • G04F10/04—Apparatus for measuring unknown time intervals by electric means by counting pulses or half-cycles of an ac

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
  • Measuring Frequencies, Analyzing Spectra (AREA)
  • Transceivers (AREA)
FR6904357A 1968-05-20 1969-02-20 Withdrawn FR2008840A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US73043068A 1968-05-20 1968-05-20

Publications (1)

Publication Number Publication Date
FR2008840A1 true FR2008840A1 (fr) 1970-01-30

Family

ID=24935331

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6904357A Withdrawn FR2008840A1 (fr) 1968-05-20 1969-02-20

Country Status (5)

Country Link
US (1) US3553728A (fr)
DE (1) DE1920727C3 (fr)
FR (1) FR2008840A1 (fr)
GB (1) GB1248502A (fr)
NL (1) NL6900735A (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2378290A1 (fr) * 1977-01-19 1978-08-18 Wallac Oy Procede de determination d'un temps de mesure
FR2433103A1 (fr) * 1978-08-07 1980-03-07 Hitachi Ltd Appareil pour detecter le regime d'un moteur a combustion interne
FR2458077A1 (fr) * 1979-05-30 1980-12-26 Nord Micro Elektronik Feinmech Procede pour la mesure de frequence
EP0485705A2 (fr) * 1990-11-13 1992-05-20 Fraunhofer-Gesellschaft Zur Förderung Der Angewandten Forschung E.V. Dispositif de mesure de durée de periodes

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3707692A (en) * 1969-03-10 1972-12-26 Mc Graw Edison Co Method of treating cellulosic material to improve the usefulness thereof as an insulator in electrical apparatus
US3673391A (en) * 1970-12-16 1972-06-27 Northern Electric Co Digital frequency multiplying system
US3769583A (en) * 1971-03-15 1973-10-30 Sperry Rand Corp Digital indicator with means for suppressing least significant digit dither
JPS5511222B2 (fr) * 1971-11-29 1980-03-24
US3805171A (en) * 1972-07-12 1974-04-16 Eastech Signal frequency detection circuit
US3837224A (en) * 1973-07-09 1974-09-24 Us Navy Digital automatic depth control and readout for a movable transducer package
US3909599A (en) * 1973-11-23 1975-09-30 Teledyne Ind Digital FM discriminator
US3917927A (en) * 1974-04-15 1975-11-04 Us Navy Automatic ranging frequency counter
US3978322A (en) * 1974-09-30 1976-08-31 National Semiconductor Corporation Measurement system for timer
IT1077281B (it) * 1977-03-16 1985-05-04 Alfa Romeo Spa Trasduttore digitale della velocita' di rotazione di un albero rotante a velocita' variabile
FR2458815A1 (fr) * 1979-06-12 1981-01-02 Alsthom Atlantique Procede et dispositif de mesure digitale d'une frequence par inversion de periode
US4346606A (en) * 1980-03-10 1982-08-31 Imed Corporation Rate meter
US4454470A (en) * 1981-12-29 1984-06-12 General Electric Company Method and apparatus for frequency measurement of an alternating current signal
US4568932A (en) * 1982-11-12 1986-02-04 Dresser Industries, Inc. Method and apparatus for obtaining high resolution subsurface geophysical measurements
US4621234A (en) * 1983-12-05 1986-11-04 Lovelace Medical Foundation Pulsed NMR flow measurement
US4609990A (en) * 1984-08-06 1986-09-02 General Electric Company Frequency measurement system
US4695791A (en) * 1985-06-04 1987-09-22 Hewlett-Packard Company Auto ranging of a frequency measuring instrument
CN102830610B (zh) * 2012-09-17 2015-01-07 中国电子科技集团公司第四十一研究所 一种基于tdc-gp21的精密时间自动测量电路及方法

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2378290A1 (fr) * 1977-01-19 1978-08-18 Wallac Oy Procede de determination d'un temps de mesure
FR2433103A1 (fr) * 1978-08-07 1980-03-07 Hitachi Ltd Appareil pour detecter le regime d'un moteur a combustion interne
FR2458077A1 (fr) * 1979-05-30 1980-12-26 Nord Micro Elektronik Feinmech Procede pour la mesure de frequence
EP0485705A2 (fr) * 1990-11-13 1992-05-20 Fraunhofer-Gesellschaft Zur Förderung Der Angewandten Forschung E.V. Dispositif de mesure de durée de periodes
EP0485705A3 (en) * 1990-11-13 1992-09-02 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Telemetric device for measuring the duration of a period

Also Published As

Publication number Publication date
US3553728A (en) 1971-01-05
GB1248502A (en) 1971-10-06
DE1920727C3 (de) 1980-11-20
DE1920727A1 (de) 1970-01-08
NL6900735A (fr) 1969-11-24
DE1920727B2 (de) 1980-04-03

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Legal Events

Date Code Title Description
ST Notification of lapse