GB1568576A - Electrical circuit means for use in analogue display - Google Patents

Electrical circuit means for use in analogue display Download PDF

Info

Publication number
GB1568576A
GB1568576A GB1847877A GB1847877A GB1568576A GB 1568576 A GB1568576 A GB 1568576A GB 1847877 A GB1847877 A GB 1847877A GB 1847877 A GB1847877 A GB 1847877A GB 1568576 A GB1568576 A GB 1568576A
Authority
GB
United Kingdom
Prior art keywords
voltage
light emitting
emitting diodes
electrical circuit
temperature
Prior art date
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
GB1847877A
Other languages
English (en)
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.)
CHRONOLOG SYSTEMS Ltd
Original Assignee
CHRONOLOG SYSTEMS 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 CHRONOLOG SYSTEMS Ltd filed Critical CHRONOLOG SYSTEMS Ltd
Priority to GB1847877A priority Critical patent/GB1568576A/en
Priority to FR7812920A priority patent/FR2389956A1/fr
Priority to DE19782819472 priority patent/DE2819472A1/de
Priority to NL7804801A priority patent/NL7804801A/xx
Publication of GB1568576A publication Critical patent/GB1568576A/en
Expired legal-status Critical Current

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)
GB1847877A 1977-05-03 1977-05-03 Electrical circuit means for use in analogue display Expired GB1568576A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB1847877A GB1568576A (en) 1977-05-03 1977-05-03 Electrical circuit means for use in analogue display
FR7812920A FR2389956A1 (enrdf_load_stackoverflow) 1977-05-03 1978-05-02
DE19782819472 DE2819472A1 (de) 1977-05-03 1978-05-03 Anzeigeeinrichtung fuer eine analogspannung
NL7804801A NL7804801A (nl) 1977-05-03 1978-05-03 Spanningsmeter met licht emittterende diodes.

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
GB1568576A true GB1568576A (en) 1980-06-04

Family

ID=10113123

Family Applications (1)

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

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)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2186135A (en) * 1986-02-03 1987-08-05 Plessey Co Plc Analogue to digital converters
CN107561330A (zh) * 2017-10-11 2018-01-09 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

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2186135A (en) * 1986-02-03 1987-08-05 Plessey Co Plc Analogue to digital converters
GB2186135B (en) * 1986-02-03 1989-11-01 Plessey Co Plc Analogue to digital converter
CN107561330A (zh) * 2017-10-11 2018-01-09 绍兴职业技术学院 一种多输入源的20级电平指示电路
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

Also Published As

Publication number Publication date
DE2819472A1 (de) 1978-12-14
FR2389956A1 (enrdf_load_stackoverflow) 1978-12-01
NL7804801A (nl) 1978-11-07

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee