NL7804801A - Spanningsmeter met licht emittterende diodes. - Google Patents

Spanningsmeter met licht emittterende diodes.

Info

Publication number
NL7804801A
NL7804801A NL7804801A NL7804801A NL7804801A NL 7804801 A NL7804801 A NL 7804801A NL 7804801 A NL7804801 A NL 7804801A NL 7804801 A NL7804801 A NL 7804801A NL 7804801 A NL7804801 A NL 7804801A
Authority
NL
Netherlands
Prior art keywords
light emitting
emitting diodes
voltage meter
meter
voltage
Prior art date
Application number
NL7804801A
Other languages
English (en)
Dutch (nl)
Original Assignee
Chronolog Syst
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 Chronolog Syst filed Critical Chronolog Syst
Publication of NL7804801A publication Critical patent/NL7804801A/xx

Links

Classifications

    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Control Of El Displays (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
NL7804801A 1977-05-03 1978-05-03 Spanningsmeter met licht emittterende diodes. NL7804801A (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1847877A GB1568576A (en) 1977-05-03 1977-05-03 Electrical circuit means for use in analogue display

Publications (1)

Publication Number Publication Date
NL7804801A true NL7804801A (nl) 1978-11-07

Family

ID=10113123

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7804801A NL7804801A (nl) 1977-05-03 1978-05-03 Spanningsmeter met licht emittterende diodes.

Country Status (4)

Country Link
DE (1) DE2819472A1 (enrdf_load_stackoverflow)
FR (1) FR2389956A1 (enrdf_load_stackoverflow)
GB (1) GB1568576A (enrdf_load_stackoverflow)
NL (1) NL7804801A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2186135B (en) * 1986-02-03 1989-11-01 Plessey Co Plc Analogue to digital converter
CN107561330B (zh) * 2017-10-11 2023-12-08 绍兴职业技术学院 一种多输入源的20级电平指示电路

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE791399A (fr) * 1971-12-10 1973-05-14 Schlumberger Compteurs Dispositif electronique indicateur d'ecart
US3771015A (en) * 1972-02-09 1973-11-06 Beckman Instruments Inc Light-emitting diode display
AT342123B (de) * 1974-02-05 1978-03-10 Siemens Ag Oesterreich Schaltung fur eine als anzeigeeinheit dienende kette von leuchtdioden
DE2408062C3 (de) * 1974-02-20 1985-01-24 Deuta-Werke Vorm. Deutsche Tachometerwerke Gmbh, 5070 Bergisch Gladbach Verfahren und Vorrichtung zur Anzeige von Meßwerten mit Hilfe von reihenförmig angeordneten Anzeigeelementen

Also Published As

Publication number Publication date
DE2819472A1 (de) 1978-12-14
GB1568576A (en) 1980-06-04
FR2389956A1 (enrdf_load_stackoverflow) 1978-12-01

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Legal Events

Date Code Title Description
BV The patent application has lapsed