ES2081394T3 - Circuito generador de señales excitadoras para visualizacion. - Google Patents

Circuito generador de señales excitadoras para visualizacion.

Info

Publication number
ES2081394T3
ES2081394T3 ES91111067T ES91111067T ES2081394T3 ES 2081394 T3 ES2081394 T3 ES 2081394T3 ES 91111067 T ES91111067 T ES 91111067T ES 91111067 T ES91111067 T ES 91111067T ES 2081394 T3 ES2081394 T3 ES 2081394T3
Authority
ES
Spain
Prior art keywords
generator circuit
signal generator
excitator
display
signal
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 - Lifetime
Application number
ES91111067T
Other languages
English (en)
Inventor
Fabio Zuliani
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.)
SELECO SpA
Original Assignee
SELECO SpA
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 SELECO SpA filed Critical SELECO SpA
Application granted granted Critical
Publication of ES2081394T3 publication Critical patent/ES2081394T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G09G3/3648—Control of matrices with row and column drivers using an active matrix
    • G09G3/3651—Control of matrices with row and column drivers using an active matrix using multistable liquid crystals, e.g. ferroelectric liquid crystals
    • 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
    • G09G3/3629—Control of matrices with row and column drivers using a passive matrix using liquid crystals having memory effects, e.g. ferroelectric liquid crystals
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2310/00—Command of the display device
    • G09G2310/06—Details of flat display driving waveforms

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Liquid Crystal (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Selective Calling Equipment (AREA)
  • Electric Clocks (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Liquid Crystal Display Device Control (AREA)

Abstract

ESTA INVENCION SE REFIERE A UN CIRCUITO GENERADOR DE SEÑALES PARA UNA MATRIZ DE EXHIBICION DE ELEMENTOS, EN PARTICULAR UNA PANTALLA QUE EMPLEA ELEMENTOS FEROMAGNETICOS, CUYA CARACTERISTICA PRINCIPAL CONSISTE EN EL HECHO DE QUE EL GENERADOR CONSTA DE UNA MEMORIA DIGITAL (R) PARA UNA MULTIPLICIDAD DE SEÑALES APTAS PARA CONSTRUIR UNA SEÑAL CONDUCTORA DE FORMA PREDETERMINADA Y UN DISPOSITIVO DE SELECCION (C) DE DICHAS SEÑALES.
ES91111067T 1990-07-06 1991-07-04 Circuito generador de señales excitadoras para visualizacion. Expired - Lifetime ES2081394T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT67501A IT1240381B (it) 1990-07-06 1990-07-06 Circuito generatore di segnali di pilotaggio per display

Publications (1)

Publication Number Publication Date
ES2081394T3 true ES2081394T3 (es) 1996-03-01

Family

ID=11302951

Family Applications (1)

Application Number Title Priority Date Filing Date
ES91111067T Expired - Lifetime ES2081394T3 (es) 1990-07-06 1991-07-04 Circuito generador de señales excitadoras para visualizacion.

Country Status (4)

Country Link
EP (1) EP0464807B1 (es)
DE (1) DE69113879T2 (es)
ES (1) ES2081394T3 (es)
IT (1) IT1240381B (es)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2313223A (en) * 1996-05-17 1997-11-19 Sharp Kk Liquid crystal device
GB2313224A (en) 1996-05-17 1997-11-19 Sharp Kk Ferroelectric liquid crystal device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4414544A (en) * 1981-06-12 1983-11-08 Interstate Electronics Corp. Constant data rate brightness control for an AC plasma panel
US4622549A (en) * 1983-06-29 1986-11-11 International Business Machines Corporation Repetition rate compensation and mixing in a plasma panel
US4819186A (en) * 1987-01-30 1989-04-04 Casio Computer Co., Ltd. Waveform generating apparatus for driving liquid crystal device
GB2207272B (en) * 1987-07-18 1991-08-14 Stc Plc Addressing liquid crystal cells

Also Published As

Publication number Publication date
EP0464807B1 (en) 1995-10-18
EP0464807A3 (en) 1992-07-01
DE69113879T2 (de) 1996-04-11
DE69113879D1 (de) 1995-11-23
EP0464807A2 (en) 1992-01-08
IT1240381B (it) 1993-12-10
IT9067501A1 (it) 1992-01-06
IT9067501A0 (it) 1990-07-06

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