FR2217898B1 - - Google Patents

Info

Publication number
FR2217898B1
FR2217898B1 FR7404379A FR7404379A FR2217898B1 FR 2217898 B1 FR2217898 B1 FR 2217898B1 FR 7404379 A FR7404379 A FR 7404379A FR 7404379 A FR7404379 A FR 7404379A FR 2217898 B1 FR2217898 B1 FR 2217898B1
Authority
FR
France
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
Application number
FR7404379A
Other versions
FR2217898A1 (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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Publication of FR2217898A1 publication Critical patent/FR2217898A1/fr
Application granted granted Critical
Publication of FR2217898B1 publication Critical patent/FR2217898B1/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G9/00—Visual time or date indication means
    • G04G9/08—Visual time or date indication means by building-up characters using a combination of indicating elements, e.g. by using multiplexing techniques
    • G04G9/12—Visual time or date indication means by building-up characters using a combination of indicating elements, e.g. by using multiplexing techniques using light valves, e.g. liquid crystals
    • G04G9/122—Visual time or date indication means by building-up characters using a combination of indicating elements, e.g. by using multiplexing techniques using light valves, e.g. liquid crystals using multiplexing techniques
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G9/00—Visual time or date indication means
    • G04G9/0023—Visual time or date indication means by light valves in general
    • G04G9/0029—Details
    • G04G9/0047—Details electrical, e.g. selection or application of the operating voltage
    • 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
FR7404379A 1973-02-09 1974-02-08 Expired FR2217898B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1549373A JPS5311171B2 (fr) 1973-02-09 1973-02-09

Publications (2)

Publication Number Publication Date
FR2217898A1 FR2217898A1 (fr) 1974-09-06
FR2217898B1 true FR2217898B1 (fr) 1976-11-26

Family

ID=11890315

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7404379A Expired FR2217898B1 (fr) 1973-02-09 1974-02-08

Country Status (5)

Country Link
US (1) US3877017A (fr)
JP (1) JPS5311171B2 (fr)
DE (1) DE2406093C2 (fr)
FR (1) FR2217898B1 (fr)
GB (1) GB1442539A (fr)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5230864Y2 (fr) * 1973-11-20 1977-07-14
JPS5099228A (fr) * 1973-12-28 1975-08-06
USRE31872E (en) * 1974-04-25 1985-04-23 Timex Corporation Electro-optical display with circuitry for applying predetermined potentials to all display segments to effect activation of a selected segment only
JPS5234918B2 (fr) * 1974-05-31 1977-09-06
JPS5150543A (fr) * 1974-10-30 1976-05-04 Shinshu Seiki Kk
FR2298243A1 (fr) * 1975-01-17 1976-08-13 Thomson Csf Circuit d'interface pour la commande par multiplexage d'elements a seuil
JPS5189348A (fr) * 1975-02-04 1976-08-05
JPS5196275A (fr) 1975-02-20 1976-08-24
GB1529342A (en) * 1975-04-08 1978-10-18 Post Office Display drive circuits
JPS5227400A (en) * 1975-08-27 1977-03-01 Sharp Corp Power source device
JPS5443670Y2 (fr) * 1975-10-01 1979-12-17
DE2738162C2 (de) * 1976-08-25 1983-01-13 Sharp K.K., Osaka Flüssigkristall-Anzeigevorrichtung
CH616231A5 (fr) * 1977-07-29 1980-03-14 Bbc Brown Boveri & Cie
JPS5852595B2 (ja) * 1979-01-08 1983-11-24 株式会社日立製作所 マトリスク型液晶表示装置の駆動方法
JPS55137583A (en) * 1979-04-13 1980-10-27 Hitachi Ltd Liquid crystal display unit drive system
JPS55163588A (en) * 1979-06-06 1980-12-19 Canon Kk Liquid crystal display unit
JPS55166691A (en) * 1979-06-13 1980-12-25 Casio Computer Co Ltd Blanking system for liquid crystal display device
DE2949810A1 (de) * 1979-12-11 1981-06-19 Siemens AG, 1000 Berlin und 8000 München Halbleiter-vermittlungsschaltung fuer die steuerung von lcd-anzeigevorrichtungen
DE3008565A1 (de) * 1980-03-06 1981-09-17 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Anordnung zur darstellung von information mit lichtemittierenden dioden
JPS56156817A (en) * 1980-05-09 1981-12-03 Hitachi Ltd Liquid-crystal display element
US4655561A (en) * 1983-04-19 1987-04-07 Canon Kabushiki Kaisha Method of driving optical modulation device using ferroelectric liquid crystal
JPS6033535A (ja) * 1983-08-04 1985-02-20 Canon Inc 液晶装置
JPS6152630A (ja) * 1984-08-22 1986-03-15 Hitachi Ltd 液晶素子の駆動方法
US5011269A (en) * 1985-09-06 1991-04-30 Matsushita Electric Industrial Co., Ltd. Method of driving a ferroelectric liquid crystal matrix panel
EP0443248A2 (fr) * 1990-02-20 1991-08-28 Seiko Epson Corporation Dispositif d'affichage à cristaux liquides
US7116287B2 (en) * 2001-05-09 2006-10-03 Eastman Kodak Company Drive for cholesteric liquid crystal displays
KR101174768B1 (ko) * 2007-12-31 2012-08-17 엘지디스플레이 주식회사 평판 표시 장치의 데이터 인터페이스 장치 및 방법

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US371173A (en) * 1887-10-11 Water-separating attachment for ice-machines
US3499112A (en) * 1967-03-31 1970-03-03 Rca Corp Electro-optical device
US3519330A (en) * 1967-09-14 1970-07-07 Rca Corp Turnoff method and circuit for liquid crystal display element
US3575492A (en) * 1969-07-10 1971-04-20 Rca Corp Turnoff method and circuit for liquid crystal display element
US3654606A (en) * 1969-11-06 1972-04-04 Rca Corp Alternating voltage excitation of liquid crystal display matrix
US3653745A (en) * 1970-06-11 1972-04-04 Rca Corp Circuits for driving loads such as liquid crystal displays
US3731986A (en) * 1971-04-22 1973-05-08 Int Liquid Xtal Co Display devices utilizing liquid crystal light modulation
JPS5114434B1 (fr) * 1971-07-29 1976-05-10
US3809458A (en) * 1972-05-25 1974-05-07 Rca Corp Liquid crystal display

Also Published As

Publication number Publication date
GB1442539A (en) 1976-07-14
US3877017A (en) 1975-04-08
FR2217898A1 (fr) 1974-09-06
DE2406093C2 (de) 1985-05-09
JPS49108996A (fr) 1974-10-16
JPS5311171B2 (fr) 1978-04-19
DE2406093A1 (de) 1974-08-22

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