BE810189A - Dispositif d'affichage a cristaux liquides - Google Patents

Dispositif d'affichage a cristaux liquides

Info

Publication number
BE810189A
BE810189A BE140205A BE140205A BE810189A BE 810189 A BE810189 A BE 810189A BE 140205 A BE140205 A BE 140205A BE 140205 A BE140205 A BE 140205A BE 810189 A BE810189 A BE 810189A
Authority
BE
Belgium
Prior art keywords
liquid crystal
display device
crystal display
liquid
display
Prior art date
Application number
BE140205A
Other languages
English (en)
French (fr)
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 filed Critical
Publication of BE810189A publication Critical patent/BE810189A/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
    • G01R13/407—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 passive display elements, e.g. liquid crystal or Kerr-effect display elements
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G9/00—Visual time or date indication means
    • G04G9/02—Visual time or date indication means by selecting desired characters out of a number of characters or by selecting indicating elements the position of which represent the time, e.g. by using multiplexing techniques
    • G04G9/06—Visual time or date indication means by selecting desired characters out of a number of characters or by selecting indicating elements the position of which represent the time, e.g. by using multiplexing techniques using light valves, e.g. liquid crystals
    • G04G9/062—Visual time or date indication means by selecting desired characters out of a number of characters or by selecting indicating elements the position of which represent the time, e.g. by using multiplexing techniques using light valves, e.g. liquid crystals using multiplexing techniques

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Liquid Crystal (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Electric Clocks (AREA)
  • Indicating Measured Values (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
BE140205A 1973-12-19 1974-01-25 Dispositif d'affichage a cristaux liquides BE810189A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP48143331A JPS5753558B2 (xx) 1973-12-19 1973-12-19

Publications (1)

Publication Number Publication Date
BE810189A true BE810189A (fr) 1974-05-16

Family

ID=15336285

Family Applications (1)

Application Number Title Priority Date Filing Date
BE140205A BE810189A (fr) 1973-12-19 1974-01-25 Dispositif d'affichage a cristaux liquides

Country Status (8)

Country Link
JP (1) JPS5753558B2 (xx)
BE (1) BE810189A (xx)
CA (1) CA1011842A (xx)
CH (1) CH616817GA3 (xx)
DE (1) DE2403172B2 (xx)
FR (1) FR2289021A1 (xx)
IT (1) IT1012543B (xx)
NL (1) NL165314C (xx)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5552467Y2 (xx) * 1974-01-23 1980-12-05
NL7405724A (nl) * 1974-04-29 1975-10-31 Philips Nv Weergeefinrichting voor een telwerk zoals een klok of horloge.
US4100540A (en) * 1975-11-18 1978-07-11 Citizen Watch Co., Ltd. Method of driving liquid crystal matrix display device to obtain maximum contrast and reduce power consumption
JPS52122097A (en) * 1976-04-06 1977-10-13 Citizen Watch Co Ltd Electric optical display unit
FR2365174A1 (fr) * 1976-09-17 1978-04-14 Commissariat Energie Atomique Procede de commande d'un dispositif d'affichage analogique a bande discontinue de cristal liquide et circuit pour la mise en oeuvre de ce procede
CH601826A5 (xx) * 1976-12-24 1978-07-14 Bbc Brown Boveri & Cie
DE2707798A1 (de) * 1977-02-23 1978-08-24 Seikosha Kk Verfahren und vorrichtung zur steuerung einer mehrstelligen fluessigkristallanzeige
CH618535A5 (xx) * 1977-07-01 1980-07-31 Bbc Brown Boveri & Cie
JPS5457969U (xx) * 1977-09-30 1979-04-21
JPS54154297A (en) * 1978-05-26 1979-12-05 Kanto Seiki Co Method of driving liquid crystal bar graph dispaly
JPS554490U (xx) * 1978-06-26 1980-01-12
JPS5590997A (en) * 1978-12-29 1980-07-10 Seikosha Kk Display driver
JPS55114986A (en) * 1979-02-27 1980-09-04 Seikosha Co Ltd Needle display unit
JPS55163487A (en) * 1979-06-07 1980-12-19 Seikosha Co Ltd Displaying device
JPS55164395A (en) * 1979-06-11 1980-12-22 Seikosha Co Ltd Timer
DE3101458A1 (de) * 1981-01-19 1982-08-26 Siemens AG, 1000 Berlin und 8000 München Verfahren zum ansteuern einer auflaufenden fluessigkristall-bandanzeige
DE3102483A1 (de) * 1981-01-26 1982-08-19 Siemens AG, 1000 Berlin und 8000 München Monolithisch integrierbare steuerschaltung fuer eine nematische anzeigeeinheit
JPH03116546U (xx) * 1990-03-07 1991-12-03

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5229938A (en) * 1975-09-02 1977-03-07 Pioneer Electronic Corp Detection apparatus for the operation of electric machiens

Also Published As

Publication number Publication date
DE2403172A1 (de) 1975-07-10
JPS5753558B2 (xx) 1982-11-13
IT1012543B (it) 1977-03-10
FR2289021B1 (xx) 1980-07-25
NL165314C (nl) 1981-03-16
NL165314B (nl) 1980-10-15
CH616817GA3 (en) 1980-04-30
JPS5093474A (xx) 1975-07-25
DE2403172B2 (de) 1979-08-30
FR2289021A1 (fr) 1976-05-21
CA1011842A (en) 1977-06-07
CH616817B (de)
NL7400448A (nl) 1975-06-23

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Legal Events

Date Code Title Description
RE20 Patent expired

Owner name: CASIO COMPUTER CO. LTD

Effective date: 19940125