EP0147542A3 - A multiple window display system - Google Patents

A multiple window display system Download PDF

Info

Publication number
EP0147542A3
EP0147542A3 EP84111872A EP84111872A EP0147542A3 EP 0147542 A3 EP0147542 A3 EP 0147542A3 EP 84111872 A EP84111872 A EP 84111872A EP 84111872 A EP84111872 A EP 84111872A EP 0147542 A3 EP0147542 A3 EP 0147542A3
Authority
EP
European Patent Office
Prior art keywords
display system
window display
multiple window
window
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.)
Granted
Application number
EP84111872A
Other versions
EP0147542A2 (en
EP0147542B1 (en
Inventor
Harry Cheselka
Jeffrey Stuart Lucash
William Doosevelt Vincent
Joy Lynn Mann
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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 US06/542,376 external-priority patent/US4651146A/en
Priority claimed from US06/542,572 external-priority patent/US4653020A/en
Application filed by International Business Machines Corp filed Critical International Business Machines Corp
Publication of EP0147542A2 publication Critical patent/EP0147542A2/en
Publication of EP0147542A3 publication Critical patent/EP0147542A3/en
Application granted granted Critical
Publication of EP0147542B1 publication Critical patent/EP0147542B1/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
    • 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
    • G09G5/222—Control of the 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
    • G09G5/14—Display of multiple viewports
EP19840111872 1983-10-17 1984-10-04 A multiple window display system Expired EP0147542B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US542376 1983-10-17
US06/542,376 US4651146A (en) 1983-10-17 1983-10-17 Display of multiple data windows in a multi-tasking system
US06/542,572 US4653020A (en) 1983-10-17 1983-10-17 Display of multiple data windows in a multi-tasking system
US542572 1995-10-13

Publications (3)

Publication Number Publication Date
EP0147542A2 EP0147542A2 (en) 1985-07-10
EP0147542A3 true EP0147542A3 (en) 1989-07-26
EP0147542B1 EP0147542B1 (en) 1991-10-02

Family

ID=27067019

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19840111872 Expired EP0147542B1 (en) 1983-10-17 1984-10-04 A multiple window display system

Country Status (4)

Country Link
EP (1) EP0147542B1 (en)
DE (1) DE3485132D1 (en)
HK (1) HK88192A (en)
SG (1) SG93192G (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4812834A (en) * 1985-08-01 1989-03-14 Cadtrak Corporation Graphics display system with arbitrary overlapping viewports
US4769636A (en) * 1985-08-14 1988-09-06 Hitachi, Ltd. Display control method for multi-window system
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
US4868557A (en) * 1986-06-04 1989-09-19 Apple Computer, Inc. Video display apparatus
GB2191918B (en) * 1986-06-16 1990-09-05 Ibm Data display system
GB2191917A (en) * 1986-06-16 1987-12-23 Ibm A multiple window display system
JPH0814785B2 (en) * 1986-09-24 1996-02-14 株式会社日立製作所 Display controller
JPS6414678A (en) * 1987-02-27 1989-01-18 Kiyapuran Saibaneteitsukusu Co Cpmputer graphic system
GB2215956A (en) * 1988-03-23 1989-09-27 Benchmark Technologies Arbitrary shape clipper
US5274755A (en) * 1989-02-08 1993-12-28 Sun Microsystems, Inc. Hardware implementation for providing raster offsets in a graphics subsystem with windowing
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
TWI282546B (en) 2004-04-02 2007-06-11 Mstar Semiconductor Inc Display controlling device capable of displaying multiple windows and related method

Citations (4)

* 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
EP0055167A1 (en) * 1980-12-12 1982-06-30 TEXAS INSTRUMENTS FRANCE Société dite: Method and apparatus for displaying messages on a raster-scanned display system, e.g. a CRT screen, using a segmented memory
EP0099989A2 (en) * 1982-06-28 1984-02-08 Kabushiki Kaisha Toshiba Image display control apparatus
US4649377A (en) * 1983-05-24 1987-03-10 Hitachi, Ltd. Split image display control unit

Patent Citations (5)

* 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
US4197590B1 (en) * 1976-01-19 1990-05-08 Cadtrak Corp
EP0055167A1 (en) * 1980-12-12 1982-06-30 TEXAS INSTRUMENTS FRANCE Société dite: Method and apparatus for displaying messages on a raster-scanned display system, e.g. a CRT screen, using a segmented memory
EP0099989A2 (en) * 1982-06-28 1984-02-08 Kabushiki Kaisha Toshiba Image display control apparatus
US4649377A (en) * 1983-05-24 1987-03-10 Hitachi, Ltd. Split image display control unit

Also Published As

Publication number Publication date
SG93192G (en) 1992-12-04
EP0147542A2 (en) 1985-07-10
EP0147542B1 (en) 1991-10-02
HK88192A (en) 1992-11-20
DE3485132D1 (en) 1991-11-07

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