FR2173207A1 - - Google Patents

Info

Publication number
FR2173207A1
FR2173207A1 FR7306353A FR7306353A FR2173207A1 FR 2173207 A1 FR2173207 A1 FR 2173207A1 FR 7306353 A FR7306353 A FR 7306353A FR 7306353 A FR7306353 A FR 7306353A FR 2173207 A1 FR2173207 A1 FR 2173207A1
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Withdrawn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
FR7306353A
Other languages
French (fr)
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.)
Taylor Servomex Ltd
Original Assignee
Taylor Servomex Ltd
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 Taylor Servomex Ltd filed Critical Taylor Servomex Ltd
Publication of FR2173207A1 publication Critical patent/FR2173207A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F3/00Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/34Dc amplifiers in which all stages are dc-coupled
    • H03F3/343Dc amplifiers in which all stages are dc-coupled with semiconductor devices only
    • H03F3/347Dc amplifiers in which all stages are dc-coupled with semiconductor devices only in integrated circuits
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/0023Measuring currents or voltages from sources with high internal resistance by means of measuring circuits with high input impedance, e.g. OP-amplifiers
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/12Measuring rate of change
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06GANALOGUE COMPUTERS
    • G06G7/00Devices in which the computing operation is performed by varying electric or magnetic quantities
    • G06G7/12Arrangements for performing computing operations, e.g. operational amplifiers
    • G06G7/14Arrangements for performing computing operations, e.g. operational amplifiers for addition or subtraction 
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06GANALOGUE COMPUTERS
    • G06G7/00Devices in which the computing operation is performed by varying electric or magnetic quantities
    • G06G7/12Arrangements for performing computing operations, e.g. operational amplifiers
    • G06G7/18Arrangements for performing computing operations, e.g. operational amplifiers for integration or differentiation; for forming integrals
FR7306353A 1972-02-22 1973-02-22 Withdrawn FR2173207A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB810272A GB1414985A (en) 1972-02-22 1972-02-22 Current measurement

Publications (1)

Publication Number Publication Date
FR2173207A1 true FR2173207A1 (en) 1973-10-05

Family

ID=9845808

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7306353A Withdrawn FR2173207A1 (en) 1972-02-22 1973-02-22

Country Status (6)

Country Link
JP (1) JPS4897575A (en)
BE (1) BE795784A (en)
DE (1) DE2308788A1 (en)
FR (1) FR2173207A1 (en)
GB (1) GB1414985A (en)
NL (1) NL7302437A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2325047A1 (en) * 1975-09-16 1977-04-15 Seiko Instr & Electronics VOLTAGE SENSOR CIRCUIT FOR ENERGY SUPPLY SOURCE

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0559332U (en) * 1992-01-17 1993-08-06 株式会社アドバンテスト Micro current measuring device
SI21892A (en) 2004-09-29 2006-04-30 Vinko Kunc Procedure and circuit for measuring extremely low electric currents
DE102009022135A1 (en) 2009-05-20 2010-11-25 Universität Osnabrück Switch arrangement for measuring e.g. direct current to detect and control current flow in lamp, has control and evaluation device determining average current value from measuring current based on measured voltage
GB2564872A (en) * 2017-07-25 2019-01-30 Quepal Ltd Measurement of instantaneous current
IT201900013065A1 (en) * 2019-07-26 2021-01-26 Eldor Corp Spa Power supply system with protection against current variations

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2325047A1 (en) * 1975-09-16 1977-04-15 Seiko Instr & Electronics VOLTAGE SENSOR CIRCUIT FOR ENERGY SUPPLY SOURCE

Also Published As

Publication number Publication date
BE795784A (en) 1973-06-18
NL7302437A (en) 1973-08-24
DE2308788A1 (en) 1973-08-30
GB1414985A (en) 1975-11-26
JPS4897575A (en) 1973-12-12

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Legal Events

Date Code Title Description
ST Notification of lapse