JPS49122929A - - Google Patents

Info

Publication number
JPS49122929A
JPS49122929A JP48035221A JP3522173A JPS49122929A JP S49122929 A JPS49122929 A JP S49122929A JP 48035221 A JP48035221 A JP 48035221A JP 3522173 A JP3522173 A JP 3522173A JP S49122929 A JPS49122929 A JP S49122929A
Authority
JP
Japan
Prior art keywords
voltage
bit state
eyj
arbitrary
exi
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
JP48035221A
Other languages
English (en)
Other versions
JPS5650277B2 (ja
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
Priority to JP3522173A priority Critical patent/JPS5650277B2/ja
Priority to US453066A priority patent/US3922667A/en
Priority to FR7409672A priority patent/FR2223754B1/fr
Priority to DE2414609A priority patent/DE2414609C2/de
Priority to CH436774A priority patent/CH607193A5/xx
Publication of JPS49122929A publication Critical patent/JPS49122929A/ja
Publication of JPS5650277B2 publication Critical patent/JPS5650277B2/ja
Expired 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
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
    • G09G3/3611—Control of matrices with row and column drivers
    • G09G3/3622—Control of matrices with row and column drivers using a passive matrix
    • 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
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/2007—Display of intermediate tones
    • G09G3/2014—Display of intermediate tones by modulation of the duration of a single pulse during which the logic level remains constant

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)
  • Liquid Crystal Display Device Control (AREA)
  • Transforming Electric Information Into Light Information (AREA)
JP3522173A 1973-03-27 1973-03-27 Expired JPS5650277B2 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP3522173A JPS5650277B2 (ja) 1973-03-27 1973-03-27
US453066A US3922667A (en) 1973-03-27 1974-03-20 Image or segment pattern forming X-Y matrix addressing method
FR7409672A FR2223754B1 (ja) 1973-03-27 1974-03-21
DE2414609A DE2414609C2 (de) 1973-03-27 1974-03-26 Adressierverfahren für eine matrixförmige Anzeigevorrichtung
CH436774A CH607193A5 (ja) 1973-03-27 1974-03-27

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3522173A JPS5650277B2 (ja) 1973-03-27 1973-03-27

Publications (2)

Publication Number Publication Date
JPS49122929A true JPS49122929A (ja) 1974-11-25
JPS5650277B2 JPS5650277B2 (ja) 1981-11-27

Family

ID=12435776

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3522173A Expired JPS5650277B2 (ja) 1973-03-27 1973-03-27

Country Status (5)

Country Link
US (1) US3922667A (ja)
JP (1) JPS5650277B2 (ja)
CH (1) CH607193A5 (ja)
DE (1) DE2414609C2 (ja)
FR (1) FR2223754B1 (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50127514A (ja) * 1974-03-01 1975-10-07
JPS50156827A (ja) * 1974-06-06 1975-12-18
JPS55140889A (en) * 1980-03-31 1980-11-04 Hitachi Ltd Driving of liquid crystal matrix display

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4044345A (en) * 1973-03-27 1977-08-23 Mitsubishi Denki Kabushiki Kaisha Method for addressing X-Y matrix display cells
US4062626A (en) * 1974-09-20 1977-12-13 Hitachi, Ltd. Liquid crystal display device
FR2312829A1 (fr) 1975-05-30 1976-12-24 Commissariat Energie Atomique Procede de commande d'une cellule d'affichage a cristal liquide et dispositif correspondant
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
DE2644449C3 (de) * 1976-10-01 1979-03-22 Siemens Ag, 1000 Berlin Und 8000 Muenchen Ansteuerverfahren für einen Anzeigeschirm mit einem zwischen den Zeilen und Spalten einer Leitermatrix befindlichen Medium, insbesondere einer Flüssigkristallschicht
CH618535A5 (ja) * 1977-07-01 1980-07-31 Bbc Brown Boveri & Cie
JPS5458399A (en) * 1977-10-18 1979-05-11 Sharp Corp Matrix type liquid crystal display unit
US4380008A (en) * 1978-09-29 1983-04-12 Hitachi, Ltd. Method of driving a matrix type phase transition liquid crystal display device to obtain a holding effect and improved response time for the erasing operation
US4462027A (en) * 1980-02-15 1984-07-24 Texas Instruments Incorporated System and method for improving the multiplexing capability of a liquid crystal display and providing temperature compensation therefor
JPS56117287A (en) * 1980-02-21 1981-09-14 Sharp Kk Indicator driving system
US5093737A (en) * 1984-02-17 1992-03-03 Canon Kabushiki Kaisha Method for driving a ferroelectric optical modulation device therefor to apply an erasing voltage in the first step
US5633652A (en) * 1984-02-17 1997-05-27 Canon Kabushiki Kaisha Method for driving optical modulation device
JPS6117134A (ja) * 1984-04-13 1986-01-25 デモルツクス・ゲ−・エム・ベ−・ハ−・ウント・コンパニ−・カ−・ゲ− オ−バ−ヘッド型プロジェクタ
JPS61198270A (ja) * 1985-02-28 1986-09-02 富士通株式会社 投影形液晶表示装置、その方法および応用
US4904079A (en) * 1986-08-13 1990-02-27 Sharp Kabushiki Kaisha Liquid crystal display device for overhead projector
US4854695A (en) * 1986-09-26 1989-08-08 Stereo Optical Company, Inc. Visual acuity testing
US4968131A (en) * 1986-09-26 1990-11-06 Stereo Optical Company, Inc. Visual acuity test device and method of preparing same
FR2699690B1 (fr) * 1992-12-22 1995-01-27 Thomson Csf Projecteur d'images mobiles à faible champ.

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2817815A (en) * 1948-02-02 1957-12-24 Thomas P Evans Transient signal recorder
US3654606A (en) * 1969-11-06 1972-04-04 Rca Corp Alternating voltage excitation of liquid crystal display matrix
DE2017615C3 (de) * 1970-04-13 1974-12-12 Siemens Ag, 1000 Berlin Und 8000 Muenchen Anordnung zum Schalten der Intensität gerichteter Lichtstrahlenbündel mit hohem Kontrast
DE2047651C3 (de) * 1970-09-28 1974-11-21 Siemens Ag, 1000 Berlin Und 8000 Muenchen Anordnung zur zweidimensional räumlichen und zeitlichen Modulation von kohärenten Lichtbündeln
JPS523560B1 (ja) * 1971-06-02 1977-01-28
JPS5114434B1 (ja) * 1971-07-29 1976-05-10
DE2237055B2 (de) * 1972-07-28 1975-10-23 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Thermostat mit thermischer Rückführung für die Steuerung eines Mischer-Kondensator moto rs
US3824003A (en) * 1973-05-07 1974-07-16 Hughes Aircraft Co Liquid crystal display panel

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50127514A (ja) * 1974-03-01 1975-10-07
JPS5416894B2 (ja) * 1974-03-01 1979-06-26
JPS50156827A (ja) * 1974-06-06 1975-12-18
JPS55140889A (en) * 1980-03-31 1980-11-04 Hitachi Ltd Driving of liquid crystal matrix display

Also Published As

Publication number Publication date
FR2223754A1 (ja) 1974-10-25
JPS5650277B2 (ja) 1981-11-27
CH607193A5 (ja) 1978-11-30
DE2414609A1 (de) 1974-10-10
FR2223754B1 (ja) 1976-12-17
US3922667A (en) 1975-11-25
DE2414609C2 (de) 1983-12-01

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