Data display system

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Details

340729, 382 44, G09G 100, G09G 116

Patent

active

048456446

ABSTRACT:
A data display system in which input-output display devices are connected to a central processor, and users select application programs that are run on the central processor. The control system of the central processor includes a display manager control system and a windowing control mechanism which allows a plurality of tasks to be performed concurrently and the results displayed in areas of a display screen. The windowing control mechanism includes, a task manager control program which runs as an application in the display manager control system and includes means to interact, via the display manager, with the operator to allow applications to be initiated, means to create tasks to control the processing of the application in such a way that the applications can be suspended or resumed according to whether the operator is ready for them, and means to identify to the display manager a coordination controller that the display manager can call to allow the task manager to suspend and resume applications. The display manager includes, means to combine data from each application and build a display representation that shows many windows into the various applications onto a single screen, and means to call the coordination controller identified by the task management application so that the task manager can suspend applications that are waiting for input and resume those applications which have input available.

REFERENCES:
patent: 4542376 (1985-09-01), Bass et al.
patent: 4555801 (1985-11-01), Miyagawa et al.
patent: 4651146 (1987-01-01), Lucash et al.
patent: 4653020 (1987-10-01), Cheselka et al.
patent: 4675811 (1987-06-01), Kishi et al.
patent: 4710767 (1987-12-01), Sciacero et al.
patent: 4725830 (1988-02-01), Kawai et al.

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