BE740386A - - Google Patents

Info

Publication number
BE740386A
BE740386A BE740386DA BE740386A BE 740386 A BE740386 A BE 740386A BE 740386D A BE740386D A BE 740386DA BE 740386 A BE740386 A BE 740386A
Authority
BE
Belgium
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
Publication of BE740386A publication Critical patent/BE740386A/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)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
BE740386D 1969-09-22 1969-10-16 BE740386A (zh)

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 (1)

Publication Number Publication Date
BE740386A true BE740386A (zh) 1970-04-01

Family

ID=9040388

Family Applications (1)

Application Number Title Priority Date Filing Date
BE740386D BE740386A (zh) 1969-09-22 1969-10-16

Country Status (19)

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

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
WO2007034408A2 (en) * 2005-09-22 2007-03-29 Koninklijke Philips Electronics N. V. Magnetic sensor sevice with filtering means
CN101563611A (zh) * 2006-12-18 2009-10-21 皇家飞利浦电子股份有限公司 具有稳健信号处理的磁性传感器装置
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
CN117957658A (zh) 2021-01-11 2024-04-30 Ysi公司 用于改进传感器线性度的引入串扰电路

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 (zh) * 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
FR1430874A (fr) * 1963-12-12 1966-03-11 Commissariat Energie Atomique Magnétomètre à résonances magnétiques
GB1150664A (en) * 1963-12-12 1969-04-30 Commissariat A L En Atomique 6 A Frequency Meter
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 (zh) * 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
NO132659C (zh) 1975-12-10
DK131523B (da) 1975-07-28
YU32121B (en) 1974-04-30
SE353965B (zh) 1973-02-19
CS167264B2 (zh) 1976-04-29
ES372594A1 (es) 1975-08-16
FR2058678A5 (fr) 1971-05-28
US3681689A (en) 1972-08-01
CA930025A (en) 1973-07-10
DE1952235C2 (de) 1982-06-24
AT292841B (de) 1971-09-10
IL33200A (en) 1973-01-30
GB1282640A (en) 1972-07-19
CH514847A (fr) 1971-10-31
DE1952235A1 (de) 1971-05-06
YU259969A (en) 1973-10-31
NO132659B (zh) 1975-09-01
DK131523C (zh) 1975-12-22
JPS5429386B1 (zh) 1979-09-22
NL164673B (nl) 1980-08-15
IL33200A0 (en) 1969-12-31
NL164673C (nl) 1981-01-15
NL6915680A (zh) 1971-03-24
PL80788B1 (zh) 1975-08-30
LU59653A1 (zh) 1970-01-12

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