NL164673C - Differentiaal-frequentiemeter. - Google Patents

Differentiaal-frequentiemeter.

Info

Publication number
NL164673C
NL164673C NL6915680.A NL6915680A NL164673C NL 164673 C NL164673 C NL 164673C NL 6915680 A NL6915680 A NL 6915680A NL 164673 C NL164673 C NL 164673C
Authority
NL
Netherlands
Prior art keywords
frequency meter
differential frequency
differential
meter
frequency
Prior art date
Application number
NL6915680.A
Other languages
English (en)
Dutch (nl)
Other versions
NL6915680A (de
NL164673B (nl
Inventor
Daniel Carreard
Emmanuel Friess
Antoine Salvi
Roger Fregoures
Original Assignee
Commissariat Energie Atomique
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 Commissariat Energie Atomique filed Critical Commissariat Energie Atomique
Publication of NL6915680A publication Critical patent/NL6915680A/xx
Publication of NL164673B publication Critical patent/NL164673B/xx
Application granted granted Critical
Publication of NL164673C publication Critical patent/NL164673C/xx

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
    • G01R33/022—Measuring gradient
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/261—Amplifier which being suitable for instrumentation applications

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Measuring Frequencies, Analyzing Spectra (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
NL6915680.A 1969-09-22 1969-10-16 Differentiaal-frequentiemeter. NL164673C (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR6932157A FR2058678A5 (fr) 1969-09-22 1969-09-22 Procede de mesure de la difference de deux frequences voisines et frequencemetre differentiel comportant application dudit procede

Publications (3)

Publication Number Publication Date
NL6915680A NL6915680A (de) 1971-03-24
NL164673B NL164673B (nl) 1980-08-15
NL164673C true NL164673C (nl) 1981-01-15

Family

ID=9040388

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6915680.A NL164673C (nl) 1969-09-22 1969-10-16 Differentiaal-frequentiemeter.

Country Status (19)

Country Link
US (1) US3681689A (de)
JP (1) JPS5429386B1 (de)
AT (1) AT292841B (de)
BE (1) BE740386A (de)
CA (1) CA930025A (de)
CH (1) CH514847A (de)
CS (1) CS167264B2 (de)
DE (1) DE1952235C2 (de)
DK (1) DK131523B (de)
ES (1) ES372594A1 (de)
FR (1) FR2058678A5 (de)
GB (1) GB1282640A (de)
IL (1) IL33200A (de)
LU (1) LU59653A1 (de)
NL (1) NL164673C (de)
NO (1) NO132659C (de)
PL (1) PL80788B1 (de)
SE (1) SE353965B (de)
YU (1) YU32121B (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5233558A (en) * 1975-09-10 1977-03-14 Hiromi Ogasawara Detector for minute variations
AU518265B2 (en) * 1977-05-16 1981-09-24 Enertec Ripple control system
US4761743A (en) * 1985-12-02 1988-08-02 The Singer Company Dynamic system analysis in a vibrating beam accelerometer
DE602006006458D1 (de) * 2005-09-22 2009-06-04 Koninkl Philips Electronics Nv Magnetfeld-sensor mit filter
US20100060275A1 (en) * 2006-12-18 2010-03-11 Koninklijke Philips Electronics N.V. Magnetic sensor device with robust signal processing
CN111220846B (zh) * 2020-03-10 2022-04-19 星汉时空科技(北京)有限公司 一种高速采样全数字化频率稳定度的测试设备及方法
US11519858B2 (en) 2021-01-11 2022-12-06 Ysi, Inc. Induced crosstalk circuit for improved sensor linearity

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2324077A (en) * 1941-12-27 1943-07-13 Rca Corp Measuring circuit
FR1059746A (fr) * 1951-07-16 1954-03-26 Ebauches Sa Procédé de comparaison des fréquences de deux générateurs haute fréquence et dispositif pour la mise en oeuvre du procédé
BE519917A (de) * 1952-05-14
DE1265864B (de) * 1961-07-12 1968-04-11 Commissariat Energie Atomique Vorrichtung zur Messung der Frequenz der Schwingungen eines Oszillators, insbesondere eines mit magnetischer Resonanz arbeitenden Maser-Oszillators
GB1150664A (en) * 1963-12-12 1969-04-30 Commissariat A L En Atomique 6 A Frequency Meter
FR1430874A (fr) * 1963-12-12 1966-03-11 Commissariat Energie Atomique Magnétomètre à résonances magnétiques
DE1208402B (de) * 1964-07-14 1966-01-05 Standard Elektrik Lorenz Ag Verfahren zur Bestimmung kleiner Abweichungen der Istfrequenz einer Ton- bzw. Hochfrequenz-spannung von einer Sollfrequenz
FR1439730A (fr) * 1965-07-13 1966-05-20 Int Standard Electric Corp Perfectionnements aux systèmes permettant de mesurer de très faibles différences de fréquences
FR1554371A (de) * 1967-03-29 1969-01-17
US3524131A (en) * 1967-09-25 1970-08-11 John A Mcwaid High speed frequency computing apparatus

Also Published As

Publication number Publication date
YU259969A (en) 1973-10-31
NL6915680A (de) 1971-03-24
DE1952235C2 (de) 1982-06-24
ES372594A1 (es) 1975-08-16
US3681689A (en) 1972-08-01
DE1952235A1 (de) 1971-05-06
CH514847A (fr) 1971-10-31
DK131523C (de) 1975-12-22
IL33200A (en) 1973-01-30
DK131523B (da) 1975-07-28
FR2058678A5 (fr) 1971-05-28
NO132659C (de) 1975-12-10
LU59653A1 (de) 1970-01-12
CA930025A (en) 1973-07-10
SE353965B (de) 1973-02-19
JPS5429386B1 (de) 1979-09-22
BE740386A (de) 1970-04-01
AT292841B (de) 1971-09-10
NO132659B (de) 1975-09-01
CS167264B2 (de) 1976-04-29
PL80788B1 (de) 1975-08-30
YU32121B (en) 1974-04-30
NL164673B (nl) 1980-08-15
IL33200A0 (en) 1969-12-31
GB1282640A (en) 1972-07-19

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Legal Events

Date Code Title Description
V1 Lapsed because of non-payment of the annual fee