BE791399A - Dispositif electronique indicateur d'ecart - Google Patents

Dispositif electronique indicateur d'ecart

Info

Publication number
BE791399A
BE791399A BE791399DA BE791399A BE 791399 A BE791399 A BE 791399A BE 791399D A BE791399D A BE 791399DA BE 791399 A BE791399 A BE 791399A
Authority
BE
Belgium
Prior art keywords
electronic device
device indicator
indicator
electronic
Prior art date
Application number
Other languages
English (en)
French (fr)
Original Assignee
Schlumberger Compteurs
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.)
Publication date
Publication of BE791399A publication Critical patent/BE791399A/xx

Links

Classifications

    • 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
    • G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
    • G01R19/16566—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533
    • G01R19/1659—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533 to indicate that the value is within or outside a predetermined range of values (window)
    • G01R19/16595—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533 to indicate that the value is within or outside a predetermined range of values (window) with multi level indication
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R13/00—Arrangements for displaying electric variables or waveforms
    • G01R13/40—Arrangements for displaying electric variables or waveforms using modulation of a light beam otherwise than by mechanical displacement, e.g. by Kerr effect
    • G01R13/404—Arrangements for displaying electric variables or waveforms using modulation of a light beam otherwise than by mechanical displacement, e.g. by Kerr effect for discontinuous display, i.e. display of discrete values
    • G01R13/405—Arrangements for displaying electric variables or waveforms using modulation of a light beam otherwise than by mechanical displacement, e.g. by Kerr effect for discontinuous display, i.e. display of discrete values using a plurality of active, i.e. light emitting, e.g. electro-luminescent elements, i.e. bar graphs
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/06—Continuously compensating for, or preventing, undesired influence of physical parameters
    • H03M1/08—Continuously compensating for, or preventing, undesired influence of physical parameters of noise

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Indicating Measured Values (AREA)
  • Measurement Of Current Or Voltage (AREA)
BE791399D 1971-12-10 Dispositif electronique indicateur d'ecart BE791399A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7144425A FR2162309B1 (xx) 1971-12-10 1971-12-10

Publications (1)

Publication Number Publication Date
BE791399A true BE791399A (fr) 1973-05-14

Family

ID=9087274

Family Applications (1)

Application Number Title Priority Date Filing Date
BE791399D BE791399A (fr) 1971-12-10 Dispositif electronique indicateur d'ecart

Country Status (5)

Country Link
BE (1) BE791399A (xx)
ES (1) ES409471A1 (xx)
FR (1) FR2162309B1 (xx)
GB (1) GB1396027A (xx)
IT (1) IT971567B (xx)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1568576A (en) * 1977-05-03 1980-06-04 Chronolog Syst Electrical circuit means for use in analogue display

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3487263A (en) * 1966-07-18 1969-12-30 Aerospace Prod Res Display device with separate means for defining and positioning the symbol

Also Published As

Publication number Publication date
ES409471A1 (es) 1975-11-16
IT971567B (it) 1974-05-10
FR2162309A1 (xx) 1973-07-20
GB1396027A (en) 1975-05-29
FR2162309B1 (xx) 1976-02-13

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