FR2487099A1 - Circuit de surveillance pour le controle des connexions d'affichages a cristaux liquides - Google Patents

Circuit de surveillance pour le controle des connexions d'affichages a cristaux liquides Download PDF

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Publication number
FR2487099A1
FR2487099A1 FR8112739A FR8112739A FR2487099A1 FR 2487099 A1 FR2487099 A1 FR 2487099A1 FR 8112739 A FR8112739 A FR 8112739A FR 8112739 A FR8112739 A FR 8112739A FR 2487099 A1 FR2487099 A1 FR 2487099A1
Authority
FR
France
Prior art keywords
segment
control
attack
current loop
monitoring circuit
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.)
Granted
Application number
FR8112739A
Other languages
English (en)
French (fr)
Other versions
FR2487099B1 (de
Inventor
Jurgen Adams
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.)
Digital Kienzle Computersysteme GmbH and Co KG
Original Assignee
Kienzle Apparate GmbH
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 Kienzle Apparate GmbH filed Critical Kienzle Apparate GmbH
Publication of FR2487099A1 publication Critical patent/FR2487099A1/fr
Application granted granted Critical
Publication of FR2487099B1 publication Critical patent/FR2487099B1/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/006—Electronic inspection or testing of displays and display drivers, e.g. of LED or LCD displays
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/04—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions
    • G09G3/16—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions by control of light from an independent source
    • G09G3/18—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions by control of light from an independent source using liquid crystals
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H02J3/18—Arrangements for adjusting, eliminating or compensating reactive power in networks
    • H02J3/1807—Arrangements for adjusting, eliminating or compensating reactive power in networks using series compensators
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H02J3/18—Arrangements for adjusting, eliminating or compensating reactive power in networks
    • H02J3/1885—Arrangements for adjusting, eliminating or compensating reactive power in networks using rotating means, e.g. synchronous generators
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H05K1/0266—Marks, test patterns or identification means
    • H05K1/0268—Marks, test patterns or identification means for electrical inspection or testing
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
    • Y02E40/30—Reactive power compensation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Theoretical Computer Science (AREA)
  • Power Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Testing Electric Properties And Detecting Electric Faults (AREA)
  • Liquid Crystal (AREA)
  • Liquid Crystal Display Device Control (AREA)
FR8112739A 1980-07-16 1981-06-29 Circuit de surveillance pour le controle des connexions d'affichages a cristaux liquides Granted FR2487099A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19803026848 DE3026848A1 (de) 1980-07-16 1980-07-16 Ueberwachungsschaltung zur kontrolle der anschluesse von lcd-anzeigen

Publications (2)

Publication Number Publication Date
FR2487099A1 true FR2487099A1 (fr) 1982-01-22
FR2487099B1 FR2487099B1 (de) 1984-11-30

Family

ID=6107285

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8112739A Granted FR2487099A1 (fr) 1980-07-16 1981-06-29 Circuit de surveillance pour le controle des connexions d'affichages a cristaux liquides

Country Status (5)

Country Link
AT (1) AT382256B (de)
DE (1) DE3026848A1 (de)
FR (1) FR2487099A1 (de)
GB (1) GB2080593B (de)
SE (1) SE443060B (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2618562A1 (fr) * 1987-07-24 1989-01-27 Nuovo Pignone Spa Procede pour le controle de facon continue et automatique du fonctionnement electrique et de la conformite de la commande dans une unite d'affichage a cristaux liquides
EP0333136A2 (de) * 1988-03-17 1989-09-20 Honeywell Inc. Gerät zur Erkennung von Fehlern eines Anzeigesegments
FR2783927A1 (fr) * 1998-09-28 2000-03-31 St Microelectronics Sa Circuit de puissance pour la commande d'un ecran a plasma, module de puissance l'incorporant et procede de test d'un tel module

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59111197A (ja) * 1982-12-17 1984-06-27 シチズン時計株式会社 マトリクス型表示装置の駆動回路
DE3432247C2 (de) * 1984-09-01 1986-12-18 Mannesmann Kienzle GmbH, 7730 Villingen-Schwenningen Anordnung zur Anzeige einer fehlerhaften Funktionsweise einer Flüssigkristallanzeige
DE4036521C2 (de) * 1990-11-16 1996-09-05 Vdo Schindling Einrichtung zur visuellen Kontrolle einer Flüssigkristallanzeige
US8436844B2 (en) 2009-06-18 2013-05-07 Roche Diagnostics Operations, Inc. Bi-stable display fail safes and devices incorporating the same
DE202019002401U1 (de) 2019-05-31 2019-06-27 Alexander Mlynek Elektronische Vorrichtung zum Datenabgriff vom Flüssigkristalldisplay eines Messgerätes

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2298836A1 (fr) * 1975-01-24 1976-08-20 Bizerba Werke Kraut Kg Wilh Dispositif electronique d'affichage numerique
GB2005059A (en) * 1977-09-29 1979-04-11 Siemens Ag Passive electrooptical displays
WO1980000038A1 (en) * 1978-06-09 1980-01-10 Mettler Instrumente Ag Monitoring device for monitoring the segments of a liquid crystal display

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3943500A (en) * 1974-05-02 1976-03-09 Dresser Europe S.A. Seven-segment display arrangement and liquid fuel dispensing pump embodying the same
CH627576A5 (de) * 1978-07-18 1982-01-15 Mettler Instrumente Ag Fluessigkristall-segmentanzeige mit einer ueberwachungsschaltung.
DE2951584A1 (de) * 1979-12-21 1981-07-16 Kienzle Apparate Gmbh, 7730 Villingen-Schwenningen Verfahren und anordnung zur ansteuerung, ueberwachung und kontrolle des betriebes einer weitgehend passiven datenanzeige, insbesondere z.b. einer fluessigkristallanzeige (lcd-anzeige)

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2298836A1 (fr) * 1975-01-24 1976-08-20 Bizerba Werke Kraut Kg Wilh Dispositif electronique d'affichage numerique
GB2005059A (en) * 1977-09-29 1979-04-11 Siemens Ag Passive electrooptical displays
WO1980000038A1 (en) * 1978-06-09 1980-01-10 Mettler Instrumente Ag Monitoring device for monitoring the segments of a liquid crystal display

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2618562A1 (fr) * 1987-07-24 1989-01-27 Nuovo Pignone Spa Procede pour le controle de facon continue et automatique du fonctionnement electrique et de la conformite de la commande dans une unite d'affichage a cristaux liquides
EP0333136A2 (de) * 1988-03-17 1989-09-20 Honeywell Inc. Gerät zur Erkennung von Fehlern eines Anzeigesegments
EP0333136A3 (de) * 1988-03-17 1991-03-20 Honeywell Inc. Gerät zur Erkennung von Fehlern eines Anzeigesegments
FR2783927A1 (fr) * 1998-09-28 2000-03-31 St Microelectronics Sa Circuit de puissance pour la commande d'un ecran a plasma, module de puissance l'incorporant et procede de test d'un tel module
US6480176B1 (en) 1998-09-28 2002-11-12 Stmicroelectronics S.A. Driver circuit for driving a plasma display panel driver module incorporating said circuit and method of testing such a module

Also Published As

Publication number Publication date
FR2487099B1 (de) 1984-11-30
DE3026848A1 (de) 1982-02-04
GB2080593A (en) 1982-02-03
SE8104364L (sv) 1982-01-17
AT382256B (de) 1987-02-10
GB2080593B (en) 1984-07-25
ATA283281A (de) 1986-06-15
DE3026848C2 (de) 1989-01-05
SE443060B (sv) 1986-02-10

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