FR3119262B1 - A system and method for processing jumper mode plot display data provided by a symbol generator box. - Google Patents

A system and method for processing jumper mode plot display data provided by a symbol generator box. Download PDF

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Publication number
FR3119262B1
FR3119262B1 FR2100658A FR2100658A FR3119262B1 FR 3119262 B1 FR3119262 B1 FR 3119262B1 FR 2100658 A FR2100658 A FR 2100658A FR 2100658 A FR2100658 A FR 2100658A FR 3119262 B1 FR3119262 B1 FR 3119262B1
Authority
FR
France
Prior art keywords
jumper mode
cathode
ray tube
display data
symbol generator
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.)
Active
Application number
FR2100658A
Other languages
French (fr)
Other versions
FR3119262A1 (en
Inventor
Olivier Rols
Jean-Yves Mames
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.)
Thales SA
Original Assignee
Thales SA
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 Thales SA filed Critical Thales SA
Priority to FR2100658A priority Critical patent/FR3119262B1/en
Priority to EP22153101.5A priority patent/EP4033481A1/en
Publication of FR3119262A1 publication Critical patent/FR3119262A1/en
Application granted granted Critical
Publication of FR3119262B1 publication Critical patent/FR3119262B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • 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
    • G09G5/36—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of a graphic pattern, e.g. using an all-points-addressable [APA] memory
    • G09G5/39—Control of the bit-mapped memory
    • G09G5/393—Arrangements for updating the contents of the bit-mapped memory
    • 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
    • G09G1/07—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 with combined raster scan and calligraphic display
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/02—Improving the quality of display appearance
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2380/00—Specific applications
    • G09G2380/12—Avionics applications

Abstract

Procédé de traitement de données d'affichage de tracés en mode cavalier fournies par un boîtier générateur de symboles (BGS), prévues pour un écran à tube cathodique, à destination d'un écran LCD, comprenant les étapes consistant, pour chaque tracé, à : - échantillonner (1) des données d'affichage de tracés en mode cavalier consistant en la modulation lumineuse du spot V(t), l'abscisse X(t) et l'ordonnée Y(t) en mode cavalier ; - appliquer (2), aux données échantillonnées, une loi de modulation lumineuse L(t) par modèle de tube cathodique parfait au moyen de la relation dans laquelle représente le facteur de puissance du tube cathodique simulé ; - déterminer (3) l'éclairement élémentaire L((X,Y),t) du pixel correspondant à la position du spot X(t), Y(t) et de pixels voisins ; et -sommer (4) les éclairements élémentaires L((X,Y),t) sur un échantillon correspondant à la durée de tracé d'une image d'écran LCD et multiplier par un facteur dans lequel représente la période de l'échantillonnage et le temps moyen d'éclairement d'un pixel de l'image. Figure pour l’abrégé : Figure 2A method of processing data for displaying traces in jumper mode provided by a symbol generator unit (BGS), provided for a cathode-ray tube screen, destined for an LCD screen, comprising the steps consisting, for each trace, in : - sampling (1) trace display data in jumper mode consisting of the light modulation of the spot V(t), the abscissa X(t) and the ordinate Y(t) in jumper mode; - applying (2), to the sampled data, a light modulation law L(t) per perfect cathode-ray tube model by means of the relation in which represents the power factor of the simulated cathode-ray tube; - determining (3) the elementary illumination L((X,Y),t) of the pixel corresponding to the position of the spot X(t), Y(t) and neighboring pixels; and - sum (4) the elementary illuminations L((X,Y),t) over a sample corresponding to the tracing duration of an LCD screen image and multiply by a factor in which represents the sampling period and the average illumination time of a pixel of the image. Figure for the abstract: Figure 2

FR2100658A 2021-01-25 2021-01-25 A system and method for processing jumper mode plot display data provided by a symbol generator box. Active FR3119262B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR2100658A FR3119262B1 (en) 2021-01-25 2021-01-25 A system and method for processing jumper mode plot display data provided by a symbol generator box.
EP22153101.5A EP4033481A1 (en) 2021-01-25 2022-01-25 System and method for processing data for displaying traces in jumper mode provided by a symbol generator unit

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR2100658 2021-01-25
FR2100658A FR3119262B1 (en) 2021-01-25 2021-01-25 A system and method for processing jumper mode plot display data provided by a symbol generator box.

Publications (2)

Publication Number Publication Date
FR3119262A1 FR3119262A1 (en) 2022-07-29
FR3119262B1 true FR3119262B1 (en) 2023-06-30

Family

ID=75438990

Family Applications (1)

Application Number Title Priority Date Filing Date
FR2100658A Active FR3119262B1 (en) 2021-01-25 2021-01-25 A system and method for processing jumper mode plot display data provided by a symbol generator box.

Country Status (2)

Country Link
EP (1) EP4033481A1 (en)
FR (1) FR3119262B1 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4843380A (en) * 1987-07-13 1989-06-27 Megatek Corporation Anti-aliasing raster scan display system
CA2024745C (en) * 1989-11-06 2002-08-06 William Ray Hancock Beamformer for matrix display
US5557297A (en) * 1994-06-08 1996-09-17 Smiths Industries System for displaying calligraphic video on raster displays
US6496160B1 (en) * 1999-04-29 2002-12-17 Evans & Sutherland Computer Corporation Stroke to raster converter system

Also Published As

Publication number Publication date
FR3119262A1 (en) 2022-07-29
EP4033481A1 (en) 2022-07-27

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