FR2680595B1 - Dispositif de controle de segment pour afficheur a cristaux liquides, et procede de controle correspondant. - Google Patents

Dispositif de controle de segment pour afficheur a cristaux liquides, et procede de controle correspondant.

Info

Publication number
FR2680595B1
FR2680595B1 FR9110477A FR9110477A FR2680595B1 FR 2680595 B1 FR2680595 B1 FR 2680595B1 FR 9110477 A FR9110477 A FR 9110477A FR 9110477 A FR9110477 A FR 9110477A FR 2680595 B1 FR2680595 B1 FR 2680595B1
Authority
FR
France
Prior art keywords
liquid crystal
crystal display
segment
monitoring device
monitoring method
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 - Fee Related
Application number
FR9110477A
Other languages
English (en)
Other versions
FR2680595A1 (fr
Inventor
Hong Pei Wang
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.)
Societe Anonyme pour Tous Appareillages Mecaniques SATAM
Original Assignee
Societe Anonyme pour Tous Appareillages Mecaniques SATAM
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 Societe Anonyme pour Tous Appareillages Mecaniques SATAM filed Critical Societe Anonyme pour Tous Appareillages Mecaniques SATAM
Priority to FR9110477A priority Critical patent/FR2680595B1/fr
Publication of FR2680595A1 publication Critical patent/FR2680595A1/fr
Application granted granted Critical
Publication of FR2680595B1 publication Critical patent/FR2680595B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/1306—Details
    • G02F1/1309—Repairing; Testing

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Computer Hardware Design (AREA)
  • Theoretical Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Liquid Crystal (AREA)
FR9110477A 1991-08-21 1991-08-21 Dispositif de controle de segment pour afficheur a cristaux liquides, et procede de controle correspondant. Expired - Fee Related FR2680595B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9110477A FR2680595B1 (fr) 1991-08-21 1991-08-21 Dispositif de controle de segment pour afficheur a cristaux liquides, et procede de controle correspondant.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9110477A FR2680595B1 (fr) 1991-08-21 1991-08-21 Dispositif de controle de segment pour afficheur a cristaux liquides, et procede de controle correspondant.

Publications (2)

Publication Number Publication Date
FR2680595A1 FR2680595A1 (fr) 1993-02-26
FR2680595B1 true FR2680595B1 (fr) 1993-11-26

Family

ID=9416308

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9110477A Expired - Fee Related FR2680595B1 (fr) 1991-08-21 1991-08-21 Dispositif de controle de segment pour afficheur a cristaux liquides, et procede de controle correspondant.

Country Status (1)

Country Link
FR (1) FR2680595B1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9308294D0 (en) * 1993-04-22 1993-06-09 Gilbarco Ltd Error detection apparatus for an electro-optic display
GB9323798D0 (en) * 1993-11-18 1994-01-05 Eev Ltd Fault detection arrangement for a liquid crystal display
FR2788365B1 (fr) * 1999-01-07 2003-12-05 Bernard Boisdequin Dispositif d'affichage a cristaux liquides, notamment afficheur de vitesse pour vehicule
FR2953972B1 (fr) * 2009-12-16 2018-11-02 Aptiv Technologies Limited Dispositif et methode de diagnostic de la connexion d'un ecran d'affichage

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5110798A (fr) * 1974-07-17 1976-01-28 Citizen Watch Co Ltd
DE2819683C3 (de) * 1978-05-05 1985-10-03 Bizerba-Werke Wilhelm Kraut Kg, 7460 Balingen Vorrichtung zur Überprüfung und Fehlererkennung des Betriebs von elektrischen und/oder elektronischen Anzeigeeinrichtungen
CH627575A5 (de) * 1978-06-09 1982-01-15 Mettler Instrumente Ag Multisegment-fluessigkristall-anzeige mit einer funktionsueberwachungsschaltung.
US4951037A (en) * 1988-03-17 1990-08-21 Honeywell Inc. Display segment fault detection apparatus

Also Published As

Publication number Publication date
FR2680595A1 (fr) 1993-02-26

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Legal Events

Date Code Title Description
ST Notification of lapse