DE3267411D1 - Method and apparatus for the display of alphanumerics and graphics on raster-scanned screens - Google Patents

Method and apparatus for the display of alphanumerics and graphics on raster-scanned screens

Info

Publication number
DE3267411D1
DE3267411D1 DE8282106105T DE3267411T DE3267411D1 DE 3267411 D1 DE3267411 D1 DE 3267411D1 DE 8282106105 T DE8282106105 T DE 8282106105T DE 3267411 T DE3267411 T DE 3267411T DE 3267411 D1 DE3267411 D1 DE 3267411D1
Authority
DE
Germany
Prior art keywords
bright
raster
alphanumerics
graphics
display
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
Application number
DE8282106105T
Other languages
German (de)
Inventor
Horst Ing Grad Fleissner
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.)
Grundig EMV Elektromechanische Versuchsanstalt Max Grundig GmbH
Original Assignee
Grundig EMV Elektromechanische Versuchsanstalt Max Grundig GmbH
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6136894&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3267411(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Grundig EMV Elektromechanische Versuchsanstalt Max Grundig GmbH filed Critical Grundig EMV Elektromechanische Versuchsanstalt Max Grundig GmbH
Priority to DE8282106105T priority Critical patent/DE3267411D1/en
Application granted granted Critical
Publication of DE3267411D1 publication Critical patent/DE3267411D1/en
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
    • 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
    • G09G1/002—Intensity circuits
    • 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)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (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)
  • Controls And Circuits For Display Device (AREA)
  • Studio Circuits (AREA)

Abstract

1. A method of improving the reproduction of alphanumeric characters and drawings on electron-beam raster display screens wherein the dots or lines forming these characters or graphic symbols are produced by an appropriate pulse-controlled brightness control, characterised in that either the bright-dark edges or the dark-bright edges of the control pulse for the bright-ness control of the raster display screen are delayed in time.
DE8282106105T 1981-07-14 1982-07-08 Method and apparatus for the display of alphanumerics and graphics on raster-scanned screens Expired DE3267411D1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE8282106105T DE3267411D1 (en) 1981-07-14 1982-07-08 Method and apparatus for the display of alphanumerics and graphics on raster-scanned screens

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19813127817 DE3127817A1 (en) 1981-07-14 1981-07-14 "METHOD AND CIRCUIT FOR IMPROVING ALPHA-NUMERIC CHARACTER REPLACEMENT AND GRAPHICS ON GRID SCREENS"
DE8282106105T DE3267411D1 (en) 1981-07-14 1982-07-08 Method and apparatus for the display of alphanumerics and graphics on raster-scanned screens

Publications (1)

Publication Number Publication Date
DE3267411D1 true DE3267411D1 (en) 1985-12-19

Family

ID=6136894

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19813127817 Ceased DE3127817A1 (en) 1981-07-14 1981-07-14 "METHOD AND CIRCUIT FOR IMPROVING ALPHA-NUMERIC CHARACTER REPLACEMENT AND GRAPHICS ON GRID SCREENS"
DE8282106105T Expired DE3267411D1 (en) 1981-07-14 1982-07-08 Method and apparatus for the display of alphanumerics and graphics on raster-scanned screens

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE19813127817 Ceased DE3127817A1 (en) 1981-07-14 1981-07-14 "METHOD AND CIRCUIT FOR IMPROVING ALPHA-NUMERIC CHARACTER REPLACEMENT AND GRAPHICS ON GRID SCREENS"

Country Status (4)

Country Link
EP (1) EP0069994B1 (en)
JP (1) JPS5818683A (en)
AT (1) ATE16535T1 (en)
DE (2) DE3127817A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4549295A (en) * 1983-06-21 1985-10-22 International Business Machines Corporation System for identifying defective media in magnetic tape storage systems
EP0193663B1 (en) * 1985-03-04 1990-11-07 International Business Machines Corporation Video display system
JPS6310377A (en) * 1986-07-01 1988-01-16 Nec Corp Disk controller

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1311283A (en) * 1969-09-12 1973-03-28 Marconi Co Ltd Electronic character generating apparatus

Also Published As

Publication number Publication date
EP0069994A3 (en) 1983-03-30
JPS5818683A (en) 1983-02-03
ATE16535T1 (en) 1985-11-15
DE3127817A1 (en) 1983-02-10
EP0069994A2 (en) 1983-01-19
EP0069994B1 (en) 1985-11-13

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8331 Complete revocation