FR2289021A1 - Dispositif d'affichage a cristaux liquides - Google Patents

Dispositif d'affichage a cristaux liquides

Info

Publication number
FR2289021A1
FR2289021A1 FR7402546A FR7402546A FR2289021A1 FR 2289021 A1 FR2289021 A1 FR 2289021A1 FR 7402546 A FR7402546 A FR 7402546A FR 7402546 A FR7402546 A FR 7402546A FR 2289021 A1 FR2289021 A1 FR 2289021A1
Authority
FR
France
Prior art keywords
electrodes
voltage
liquid crystal
voltage pulses
viewing elements
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
FR7402546A
Other languages
English (en)
Other versions
FR2289021B1 (fr
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.)
SUNCRUX RESEARCH OFFICE KK
Original Assignee
SUNCRUX RESEARCH OFFICE KK
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 SUNCRUX RESEARCH OFFICE KK filed Critical SUNCRUX RESEARCH OFFICE KK
Publication of FR2289021A1 publication Critical patent/FR2289021A1/fr
Application granted granted Critical
Publication of FR2289021B1 publication Critical patent/FR2289021B1/fr
Granted 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
    • G01R13/407—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)
FR7402546A 1973-12-19 1974-01-25 Dispositif d'affichage a cristaux liquides Granted FR2289021A1 (fr)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
FR2289021A1 true FR2289021A1 (fr) 1976-05-21
FR2289021B1 FR2289021B1 (fr) 1980-07-25

Family

ID=15336285

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7402546A Granted FR2289021A1 (fr) 1973-12-19 1974-01-25 Dispositif d'affichage a cristaux liquides

Country Status (8)

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

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5552467Y2 (fr) * 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.
GB1564032A (en) * 1975-11-18 1980-04-02 Citizen Watch Co Ltd Method and device fordriving liquid crystal display matrix
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 (fr) * 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 (fr) * 1977-07-01 1980-07-31 Bbc Brown Boveri & Cie
JPS5457969U (fr) * 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 (fr) * 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 (fr) * 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
BE810189A (fr) 1974-05-16
DE2403172B2 (de) 1979-08-30
NL165314B (nl) 1980-10-15
CH616817B (de)
JPS5093474A (fr) 1975-07-25
IT1012543B (it) 1977-03-10
FR2289021B1 (fr) 1980-07-25
NL165314C (nl) 1981-03-16
CH616817GA3 (en) 1980-04-30
NL7400448A (nl) 1975-06-23
DE2403172A1 (de) 1975-07-10
JPS5753558B2 (fr) 1982-11-13
CA1011842A (en) 1977-06-07

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Legal Events

Date Code Title Description
TP Transmission of property
TP Transmission of property