CA1249679A - Methode pour deplacer electroniquement des portions de plusiers images differentes sur un ecran cathodique - Google Patents

Methode pour deplacer electroniquement des portions de plusiers images differentes sur un ecran cathodique

Info

Publication number
CA1249679A
CA1249679A CA000466941A CA466941A CA1249679A CA 1249679 A CA1249679 A CA 1249679A CA 000466941 A CA000466941 A CA 000466941A CA 466941 A CA466941 A CA 466941A CA 1249679 A CA1249679 A CA 1249679A
Authority
CA
Canada
Prior art keywords
viewport
image
screen
memory
control
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
CA000466941A
Other languages
English (en)
Inventor
Ralph O. Wickwire
Ashwin V. Shah
Leland J. Bass
Roy F. Quick, Jr.
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
Priority claimed from US06/548,430 external-priority patent/US4542376A/en
Priority claimed from US06/548,551 external-priority patent/US4559533A/en
Application filed by Burroughs Corp filed Critical Burroughs Corp
Application granted granted Critical
Publication of CA1249679A publication Critical patent/CA1249679A/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
    • G09G5/14—Display of multiple viewports

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)
CA000466941A 1983-11-03 1984-11-02 Methode pour deplacer electroniquement des portions de plusiers images differentes sur un ecran cathodique Expired CA1249679A (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US06/548,430 US4542376A (en) 1983-11-03 1983-11-03 System for electronically displaying portions of several different images on a CRT screen through respective prioritized viewports
US548,430 1983-11-03
US548,551 1983-11-03
US06/548,551 US4559533A (en) 1983-11-03 1983-11-03 Method of electronically moving portions of several different images on a CRT screen

Publications (1)

Publication Number Publication Date
CA1249679A true CA1249679A (fr) 1989-01-31

Family

ID=27068858

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000466941A Expired CA1249679A (fr) 1983-11-03 1984-11-02 Methode pour deplacer electroniquement des portions de plusiers images differentes sur un ecran cathodique

Country Status (2)

Country Link
CA (1) CA1249679A (fr)
WO (1) WO1985002049A1 (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4710761A (en) * 1985-07-09 1987-12-01 American Telephone And Telegraph Company, At&T Bell Laboratories Window border generation in a bitmapped graphics workstation
US4700320A (en) 1985-07-09 1987-10-13 American Telephone And Telegraph Company, At&T Bell Laboratories Bitmapped graphics workstation
US4761642A (en) * 1985-10-04 1988-08-02 Tektronix, Inc. System for providing data communication between a computer terminal and a plurality of concurrent processes running on a multiple process computer
EP0597556B1 (fr) * 1985-12-13 2001-10-17 Canon Kabushiki Kaisha Appareil de traitement d'images
WO1988003288A1 (fr) * 1986-10-22 1988-05-05 Fanuc Ltd Procede de commande d'affichage
JPS6414678A (en) * 1987-02-27 1989-01-18 Kiyapuran Saibaneteitsukusu Co Cpmputer graphic system
US4814884A (en) * 1987-10-21 1989-03-21 The United States Of America As Represented By The Secretary Of The Air Force Window generator
US5241656A (en) * 1989-02-06 1993-08-31 International Business Machines Corporation Depth buffer clipping for window management
CA1323450C (fr) * 1989-02-06 1993-10-19 Larry K. Loucks Ecretage de tampon de profondeur pour la gestion des fenetres
US6025840A (en) * 1995-09-27 2000-02-15 Cirrus Logic, Inc. Circuits, systems and methods for memory mapping and display control systems using the same
US5574836A (en) * 1996-01-22 1996-11-12 Broemmelsiek; Raymond M. Interactive display apparatus and method with viewer position compensation

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4197590A (en) * 1976-01-19 1980-04-08 Nugraphics, Inc. Method for dynamically viewing image elements stored in a random access memory array
JPS5399826A (en) * 1977-02-14 1978-08-31 Hitachi Ltd Controller for data display
US4484302A (en) * 1980-11-20 1984-11-20 International Business Machines Corporation Single screen display system with multiple virtual display having prioritized service programs and dedicated memory stacks
US4470042A (en) * 1981-03-06 1984-09-04 Allen-Bradley Company System for displaying graphic and alphanumeric data
US4414628A (en) * 1981-03-31 1983-11-08 Bell Telephone Laboratories, Incorporated System for displaying overlapping pages of information
US4439761A (en) * 1981-05-19 1984-03-27 Bell Telephone Laboratories, Incorporated Terminal generation of dynamically redefinable character sets
US4484187A (en) * 1982-06-25 1984-11-20 At&T Bell Laboratories Video overlay system having interactive color addressing

Also Published As

Publication number Publication date
WO1985002049A1 (fr) 1985-05-09

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Legal Events

Date Code Title Description
MKEX Expiry