DK131523B - Apparat til måling af frekvensforskelle. - Google Patents

Apparat til måling af frekvensforskelle.

Info

Publication number
DK131523B
DK131523B DK546369AA DK546369A DK131523B DK 131523 B DK131523 B DK 131523B DK 546369A A DK546369A A DK 546369AA DK 546369 A DK546369 A DK 546369A DK 131523 B DK131523 B DK 131523B
Authority
DK
Denmark
Prior art keywords
measuring frequency
frequency differences
differences
measuring
frequency
Prior art date
Application number
DK546369AA
Other languages
English (en)
Other versions
DK131523C (da
Inventor
D Correard
E Friess
A Salvi
R Tregoures
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 DK131523B publication Critical patent/DK131523B/da
Application granted granted Critical
Publication of DK131523C publication Critical patent/DK131523C/da

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
DK546369AA 1969-09-22 1969-10-15 Apparat til måling af frekvensforskelle. DK131523B (da)

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 (2)

Publication Number Publication Date
DK131523B true DK131523B (da) 1975-07-28
DK131523C DK131523C (da) 1975-12-22

Family

ID=9040388

Family Applications (1)

Application Number Title Priority Date Filing Date
DK546369AA DK131523B (da) 1969-09-22 1969-10-15 Apparat til måling af frekvensforskelle.

Country Status (19)

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

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
JP2010513864A (ja) * 2006-12-18 2010-04-30 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ ロバストな信号処理を備えた磁気センサ・デバイス
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 (da) * 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 (da) * 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
GB1282640A (en) 1972-07-19
DK131523C (da) 1975-12-22
NO132659B (da) 1975-09-01
NL6915680A (da) 1971-03-24
NL164673C (nl) 1981-01-15
DE1952235A1 (de) 1971-05-06
NL164673B (nl) 1980-08-15
BE740386A (da) 1970-04-01
DE1952235C2 (de) 1982-06-24
FR2058678A5 (fr) 1971-05-28
CH514847A (fr) 1971-10-31
LU59653A1 (da) 1970-01-12
AT292841B (de) 1971-09-10
JPS5429386B1 (da) 1979-09-22
ES372594A1 (es) 1975-08-16
YU32121B (en) 1974-04-30
CA930025A (en) 1973-07-10
IL33200A0 (en) 1969-12-31
US3681689A (en) 1972-08-01
SE353965B (da) 1973-02-19
YU259969A (en) 1973-10-31
NO132659C (da) 1975-12-10
PL80788B1 (da) 1975-08-30
IL33200A (en) 1973-01-30
CS167264B2 (da) 1976-04-29

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