ES2068990T3 - Generador de caracteres para presentar caracteres con una sombra en una pantalla de presentacion. - Google Patents

Generador de caracteres para presentar caracteres con una sombra en una pantalla de presentacion.

Info

Publication number
ES2068990T3
ES2068990T3 ES90200893T ES90200893T ES2068990T3 ES 2068990 T3 ES2068990 T3 ES 2068990T3 ES 90200893 T ES90200893 T ES 90200893T ES 90200893 T ES90200893 T ES 90200893T ES 2068990 T3 ES2068990 T3 ES 2068990T3
Authority
ES
Spain
Prior art keywords
character generator
shadow
represented
characters
hidden
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
ES90200893T
Other languages
English (en)
Inventor
Rudolf Eland
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.)
Koninklijke Philips NV
Original Assignee
Philips Electronics NV
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 Philips Electronics NV filed Critical Philips Electronics NV
Application granted granted Critical
Publication of ES2068990T3 publication Critical patent/ES2068990T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/02—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the way in which colour is displayed
    • G09G5/024—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the way in which colour is displayed using colour registers, e.g. to control background, foreground, surface filling
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G1/00—Control arrangements or circuits, of interest only in connection with cathode-ray tube indicators; General aspects or details, e.g. selection emphasis on particular characters, dashed line or dotted line generation; Preprocessing of data
    • G09G1/06—Control arrangements or circuits, of interest only in connection with cathode-ray tube indicators; General aspects or details, e.g. selection emphasis on particular characters, dashed line or dotted line generation; Preprocessing of data using single beam tubes, e.g. three-dimensional or perspective representation, rotation or translation of display pattern, hidden lines, shadows
    • G09G1/14—Control arrangements or circuits, of interest only in connection with cathode-ray tube indicators; General aspects or details, e.g. selection emphasis on particular characters, dashed line or dotted line generation; Preprocessing of data using single beam tubes, e.g. three-dimensional or perspective representation, rotation or translation of display pattern, hidden lines, shadows the beam tracing a pattern independent of the information to be displayed, this latter determining the parts of the pattern rendered respectively visible and invisible
    • G09G1/16—Control arrangements or circuits, of interest only in connection with cathode-ray tube indicators; General aspects or details, e.g. selection emphasis on particular characters, dashed line or dotted line generation; Preprocessing of data using single beam tubes, e.g. three-dimensional or perspective representation, rotation or translation of display pattern, hidden lines, shadows the beam tracing a pattern independent of the information to be displayed, this latter determining the parts of the pattern rendered respectively visible and invisible the pattern of rectangular co-ordinates extending over the whole area of the screen, i.e. television type raster
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/22—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of characters or indicia using display control signals derived from coded signals representing the characters or indicia, e.g. with a character-code memory
    • G09G5/24—Generation of individual character patterns
    • G09G5/28—Generation of individual character patterns for enhancement of character form, e.g. smoothing

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Controls And Circuits For Display Device (AREA)
  • Television Systems (AREA)
  • Studio Circuits (AREA)
  • Image Generation (AREA)

Abstract

GENERADOR DE CARACTERES QUE PROPORCIONA LOS CARACTERES REPRESENTADOS, CUANDO SE EXHIBEN SIMULTANEAMENTE CON UNA PELICULA VIDEO, CON UNA SOMBRA EN UN COLOR COMPLEMENTARIO O PROGRAMABLE, DE FORMA QUE LA LECTURA SEA OPTIMA BAJO TODAS LAS CIRCUNSTANCIAS SIN NINGUNA OCULTACION INNECESARIA DE LA PELICULA VIDEO. CON ESTE FIN, EL GENERADOR DE CARACTERES (43) ESTA ADAPTADO PARA TRATAR ALTERNATIVAMENTE TANTO LOS PUNTOS QUE SE VAN A REPRESENTAR Y AL MENOS UN PUNTO ADYACENTE EN UNA MEMORIA DE CARACTERES (171). UNA SEÑAL DE OCULTACION (FBL), QUE OCULTA LA PELICULA VIDEO RECIBIDA DEPENDE DEL PUNTO A REPRESENTAR Y DEL PUNTO ADYACENTE, SE GENERA EN UN CIRCUITO DE OCULTACION (20). MIENTRAS LA PELICULA VIDEO ESTA OCULTA, SE EXHIBEN LOS CARACTERES EN UN COLOR DE PRIMER PLANO Y SE REPRESENTA LA SOMBRA EN UN COLOR DE FONDO. EL INVENTO ES APLICABLE EN RECEPTORES DE TELEVISION, GRABADORAS DE CAMARA Y SIMILARES, USANDO UN GENERADOR DE CARACTERES PARA REPRESENTAR INFORMACION OPERATIVA GENERADA LOCALMENTE (SOBRE LAREPRESENTACION DE PANTALLA) O INFORMACION FACILITADA MEDIANTE UNA FUENTE EXTERNA (TELETEXTO).
ES90200893T 1989-04-20 1990-04-12 Generador de caracteres para presentar caracteres con una sombra en una pantalla de presentacion. Expired - Lifetime ES2068990T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8900988A NL8900988A (nl) 1989-04-20 1989-04-20 Karaktergenerator voor het weergeven op een beeldscherm van karakters met een schaduw.

Publications (1)

Publication Number Publication Date
ES2068990T3 true ES2068990T3 (es) 1995-05-01

Family

ID=19854511

Family Applications (1)

Application Number Title Priority Date Filing Date
ES90200893T Expired - Lifetime ES2068990T3 (es) 1989-04-20 1990-04-12 Generador de caracteres para presentar caracteres con una sombra en una pantalla de presentacion.

Country Status (6)

Country Link
EP (1) EP0393756B1 (es)
JP (1) JP2988584B2 (es)
KR (1) KR0182809B1 (es)
DE (1) DE69015862T2 (es)
ES (1) ES2068990T3 (es)
NL (1) NL8900988A (es)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5264838A (en) * 1991-08-29 1993-11-23 Honeywell Inc. Apparatus for generating an anti-aliased display image halo
EP0579873B1 (en) * 1992-07-20 1999-05-06 Océ-Technologies B.V. Method of reproducing text on a raster output device
DE4238547A1 (de) * 1992-11-14 1994-05-19 Philips Patentverwaltung Verfahren und Schaltungsanordnung zum Darstellen von Zeichen mit Umrandung
JP3380920B2 (ja) * 1993-04-16 2003-02-24 ソニー株式会社 キャラクタ発生方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3918039A (en) * 1974-11-07 1975-11-04 Rca Corp High-resolution digital generator of graphic symbols with edging
US4408198A (en) * 1981-09-14 1983-10-04 Shintron Company, Inc. Video character generator

Also Published As

Publication number Publication date
KR0182809B1 (ko) 1999-04-15
KR910018894A (ko) 1991-11-30
JPH02295382A (ja) 1990-12-06
EP0393756A1 (en) 1990-10-24
EP0393756B1 (en) 1995-01-11
DE69015862T2 (de) 1995-08-24
NL8900988A (nl) 1990-11-16
DE69015862D1 (de) 1995-02-23
JP2988584B2 (ja) 1999-12-13

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