CA1102458A - Synthetiseur video pour systeme d'affichage numerique ayant plusieurs echelles de gris affichees en points discrets de luminance - Google Patents

Synthetiseur video pour systeme d'affichage numerique ayant plusieurs echelles de gris affichees en points discrets de luminance

Info

Publication number
CA1102458A
CA1102458A CA310,784A CA310784A CA1102458A CA 1102458 A CA1102458 A CA 1102458A CA 310784 A CA310784 A CA 310784A CA 1102458 A CA1102458 A CA 1102458A
Authority
CA
Canada
Prior art keywords
character
different
video
displayed
luminance
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
CA310,784A
Other languages
English (en)
Inventor
Charles L. Seitz
Paul Grunewald
Marshall M. Parker
Irvin G. Stafford
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.)
Unisys Corp
Original Assignee
Burroughs Corp
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 Burroughs Corp filed Critical Burroughs Corp
Application granted granted Critical
Publication of CA1102458A publication Critical patent/CA1102458A/fr
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
    • 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
    • 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
    • G09G5/42—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of patterns using a display memory without fixed position correspondence between the display memory contents and the display position on the screen

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Controls And Circuits For Display Device (AREA)
  • Picture Signal Circuits (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
CA310,784A 1977-09-26 1978-09-06 Synthetiseur video pour systeme d'affichage numerique ayant plusieurs echelles de gris affichees en points discrets de luminance Expired CA1102458A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US83684277A 1977-09-26 1977-09-26
US836,842 1977-09-26

Publications (1)

Publication Number Publication Date
CA1102458A true CA1102458A (fr) 1981-06-02

Family

ID=25272868

Family Applications (1)

Application Number Title Priority Date Filing Date
CA310,784A Expired CA1102458A (fr) 1977-09-26 1978-09-06 Synthetiseur video pour systeme d'affichage numerique ayant plusieurs echelles de gris affichees en points discrets de luminance

Country Status (5)

Country Link
JP (1) JPS5454533A (fr)
CA (1) CA1102458A (fr)
DE (1) DE2840005A1 (fr)
FR (1) FR2404361A1 (fr)
GB (1) GB2005500B (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4382254A (en) * 1980-06-18 1983-05-03 Nixdorf Computer Corporation Video display control circuitry
US4464777A (en) * 1980-10-22 1984-08-07 Tokyo Shibaura Denki Kabushiki Kaisha Radiography apparatus
JPS57101888A (en) * 1980-12-16 1982-06-24 Sony Corp Character display
JPS57175186U (fr) * 1981-04-28 1982-11-05
GB2108341B (en) * 1981-10-28 1984-12-12 Philips Electronic Associated Decoding binary coded colour video signals
EP0132454A1 (fr) * 1983-07-29 1985-02-13 DR.-ING. RUDOLF HELL GmbH Méthode et dispositif pour l'affichage typographique à haute définition de texte
ATE32390T1 (de) * 1983-07-29 1988-02-15 Hell Rudolf Dr Ing Gmbh Verfahren und vorrichtung zur pruefung der satzqualitaet von druckerzeugnissen, insbesondere zeitungen.
DE3614422A1 (de) * 1986-04-29 1987-11-05 Siemens Ag Schaltungsanordnung zum wandeln zweier digitaler signale in ein analogsignal zur helligkeitssteuerung einer nach dem rasterpunktverfahren arbeitenden anzeigeeinheit

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA830119A (en) * 1963-10-16 1969-12-16 A. Cole Donald Digital storage and generation of video signals
US3527980A (en) * 1968-03-28 1970-09-08 Control Data Corp Digital variable intensity display
US3811007A (en) * 1971-11-11 1974-05-14 Tektronix Inc Facsimile method and apparatus
US3938139A (en) * 1974-12-30 1976-02-10 Young Communications Corporation Miniature display communicator
US3991301A (en) * 1975-05-29 1976-11-09 Westinghouse Electric Corporation Logarithmic frequency to voltage converter
SU734757A1 (ru) * 1976-12-22 1980-05-15 Таганрогский Радиотехнический Институт Устройство дл отображени информации на экране электронно-лучевой трубки

Also Published As

Publication number Publication date
DE2840005A1 (de) 1979-04-05
GB2005500B (en) 1982-07-14
DE2840005C2 (fr) 1987-09-24
GB2005500A (en) 1979-04-19
JPH0258635B2 (fr) 1990-12-10
JPS5454533A (en) 1979-04-28
FR2404361A1 (fr) 1979-04-20

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Legal Events

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