FR2115378B1 - - Google Patents

Info

Publication number
FR2115378B1
FR2115378B1 FR7142074A FR7142074A FR2115378B1 FR 2115378 B1 FR2115378 B1 FR 2115378B1 FR 7142074 A FR7142074 A FR 7142074A FR 7142074 A FR7142074 A FR 7142074A FR 2115378 B1 FR2115378 B1 FR 2115378B1
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.)
Expired
Application number
FR7142074A
Other versions
FR2115378A1 (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.)
Gemalto Terminals Ltd
Original Assignee
Solartron Electronic Group 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 Solartron Electronic Group Ltd filed Critical Solartron Electronic Group Ltd
Publication of FR2115378A1 publication Critical patent/FR2115378A1/fr
Application granted granted Critical
Publication of FR2115378B1 publication Critical patent/FR2115378B1/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/25—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
    • G01R19/255—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques using analogue/digital converters of the type with counting of pulses during a period of time proportional to voltage or current, delivered by a pulse generator with fixed frequency
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
    • G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers
    • G06G7/18—Arrangements for performing computing operations, e.g. operational amplifiers for integration or differentiation; for forming integrals
    • G06G7/184—Arrangements for performing computing operations, e.g. operational amplifiers for integration or differentiation; for forming integrals using capacitive elements
    • G06G7/186—Arrangements for performing computing operations, e.g. operational amplifiers for integration or differentiation; for forming integrals using capacitive elements using an operational amplifier comprising a capacitor or a resistor in the feedback loop
    • G06G7/1865—Arrangements for performing computing operations, e.g. operational amplifiers for integration or differentiation; for forming integrals using capacitive elements using an operational amplifier comprising a capacitor or a resistor in the feedback loop with initial condition setting
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters
    • H03M1/124—Sampling or signal conditioning arrangements specially adapted for A/D converters

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Software Systems (AREA)
  • Computer Hardware Design (AREA)
  • Analogue/Digital Conversion (AREA)
FR7142074A 1970-11-24 1971-11-24 Expired FR2115378B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5581770A GB1361613A (en) 1970-11-24 1970-11-24 Analogue to digital converters

Publications (2)

Publication Number Publication Date
FR2115378A1 FR2115378A1 (fr) 1972-07-07
FR2115378B1 true FR2115378B1 (fr) 1974-05-10

Family

ID=10474971

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7142074A Expired FR2115378B1 (fr) 1970-11-24 1971-11-24

Country Status (6)

Country Link
US (1) US3729733A (fr)
DE (1) DE2158057A1 (fr)
FR (1) FR2115378B1 (fr)
GB (1) GB1361613A (fr)
NL (1) NL7116125A (fr)
SE (1) SE372677B (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3883863A (en) * 1973-10-02 1975-05-13 Westinghouse Electric Corp Integrating analog to digital converter with variable time base
DE2353664A1 (de) * 1973-10-26 1975-05-07 Bodenseewerk Perkin Elmer Co Integrierende signalverarbeitungsschaltung
GB1486929A (en) * 1973-11-28 1977-09-28 Suwa Seikosha Kk Analogue-to-digital signal converters
NO142687C (no) * 1975-07-05 1980-09-24 Danfoss As Koplingsanordning for aa utlede fysiske stoerrelser, saerlig stroemningshastighet for stroemmende medier etter ultralydmetoden
CH652876A5 (en) * 1980-08-04 1985-11-29 Bbc Brown Boveri & Cie Method and device for analog-digital conversion of an electrical measured value with changeable conversion ratio
DE3138879A1 (de) * 1981-09-30 1983-04-14 Boehringer Mannheim Gmbh, 6800 Mannheim Verfahren zur erfassung photometrischer signale und anordnung zur durchfuehrung des verfahrens
DE3421873A1 (de) * 1984-06-13 1985-12-19 Brown, Boveri & Cie Ag, 6800 Mannheim Messverfahren zur ermittlung der differenz zwischen einer wechselspannung und einer zweiten spannung sowie messvorrichtung zu seiner anwendung
DE3836115A1 (de) * 1988-10-22 1990-04-26 Bodenseewerk Geraetetech Filter zur gewinnung eines zeitlich konstanten nutzsignals aus einem verrauschten messsignal
US4999632A (en) * 1989-12-15 1991-03-12 Boehringer Mannheim Corporation Analog to digital conversion with noise reduction
AU6549396A (en) * 1995-07-21 1997-02-18 Honeywell Inc. Dual slope a/d converter

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL137500C (fr) * 1964-04-23
GB1153201A (en) * 1966-04-30 1969-05-29 Fenlow Electronics Ltd Improvements in or relating to Apparatus for Measuring the Voltage of a D.C. Component in an Electrical Voltage
US3566265A (en) * 1968-11-18 1971-02-23 Time Systems Corp Compensated step ramp digital voltmeter
US3569957A (en) * 1968-12-23 1971-03-09 Ibm Analogue to digital converter with isolated inputs

Also Published As

Publication number Publication date
FR2115378A1 (fr) 1972-07-07
SE372677B (fr) 1974-12-23
US3729733A (en) 1973-04-24
NL7116125A (fr) 1972-05-26
GB1361613A (en) 1974-07-30
DE2158057A1 (de) 1972-05-25

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Legal Events

Date Code Title Description
ST Notification of lapse