FR2788365B1 - Dispositif d'affichage a cristaux liquides, notamment afficheur de vitesse pour vehicule - Google Patents

Dispositif d'affichage a cristaux liquides, notamment afficheur de vitesse pour vehicule

Info

Publication number
FR2788365B1
FR2788365B1 FR9900201A FR9900201A FR2788365B1 FR 2788365 B1 FR2788365 B1 FR 2788365B1 FR 9900201 A FR9900201 A FR 9900201A FR 9900201 A FR9900201 A FR 9900201A FR 2788365 B1 FR2788365 B1 FR 2788365B1
Authority
FR
France
Prior art keywords
vehicle
liquid crystal
display device
crystal display
especially speed
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
FR9900201A
Other languages
English (en)
Other versions
FR2788365A1 (fr
Inventor
Bernard Boisdequin
Luc Ghesquiere
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR9900201A priority Critical patent/FR2788365B1/fr
Publication of FR2788365A1 publication Critical patent/FR2788365A1/fr
Application granted granted Critical
Publication of FR2788365B1 publication Critical patent/FR2788365B1/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
    • G09G3/04—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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/3644—Constructional arrangements
    • G01R31/3646—Constructional arrangements for indicating electrical conditions or variables, e.g. visual or audible indicators

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Liquid Crystal (AREA)
FR9900201A 1999-01-07 1999-01-07 Dispositif d'affichage a cristaux liquides, notamment afficheur de vitesse pour vehicule Expired - Fee Related FR2788365B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9900201A FR2788365B1 (fr) 1999-01-07 1999-01-07 Dispositif d'affichage a cristaux liquides, notamment afficheur de vitesse pour vehicule

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9900201A FR2788365B1 (fr) 1999-01-07 1999-01-07 Dispositif d'affichage a cristaux liquides, notamment afficheur de vitesse pour vehicule

Publications (2)

Publication Number Publication Date
FR2788365A1 FR2788365A1 (fr) 2000-07-13
FR2788365B1 true FR2788365B1 (fr) 2003-12-05

Family

ID=9540757

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9900201A Expired - Fee Related FR2788365B1 (fr) 1999-01-07 1999-01-07 Dispositif d'affichage a cristaux liquides, notamment afficheur de vitesse pour vehicule

Country Status (1)

Country Link
FR (1) FR2788365B1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2908225A1 (fr) * 2006-11-02 2008-05-09 Bernard Boisdequin Procede d'affichage numerique d'au moins un signe representatif d'une valeur de consigne sur un dispositif de visualisation a ecran couleur sans effet de remanence

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2948472B1 (fr) 2009-07-21 2012-02-10 Alstom Transport Sa Dispositif de verification de l'integrite d'une donnee affichee et procede associe
EP3671722A3 (fr) * 2018-12-20 2020-07-22 Seiko Epson Corporation Dispositif de circuit, dispositif électronique et véhicule
JP7419721B2 (ja) * 2018-12-20 2024-01-23 セイコーエプソン株式会社 回路装置、電子機器及び移動体

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4297692A (en) * 1979-03-07 1981-10-27 Simmonds Precision Products, Inc. Segment failure detector for digital display
DE3151057A1 (de) * 1981-12-23 1983-07-28 Toledo-Werk GmbH, 5000 Köln Verfahren und vorrichtung zur verifizierung der anzeigewerte bei digitalanzeigen aus anzeigeelementen mit mehreren anzeigesegmenten
FR2594249B1 (fr) * 1986-02-12 1988-05-27 Satamatic Procede et dispositif de controle pour afficheur a cristaux liquides
FR2680595B1 (fr) * 1991-08-21 1993-11-26 Satam Dispositif de controle de segment pour afficheur a cristaux liquides, et procede de controle correspondant.
US5406301A (en) * 1993-10-27 1995-04-11 Abbott Laboratories High reliability display

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2908225A1 (fr) * 2006-11-02 2008-05-09 Bernard Boisdequin Procede d'affichage numerique d'au moins un signe representatif d'une valeur de consigne sur un dispositif de visualisation a ecran couleur sans effet de remanence

Also Published As

Publication number Publication date
FR2788365A1 (fr) 2000-07-13

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Legal Events

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CL Concession to grant licences
PLFP Fee payment

Year of fee payment: 18

PLFP Fee payment

Year of fee payment: 19

ST Notification of lapse

Effective date: 20180928