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Data display system

  • US 4,845,644 A
  • Filed: 06/09/1987
  • Issued: 07/04/1989
  • Est. Priority Date: 06/16/1986
  • Status: Expired due to Term
First Claim
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1. A data display system comprising:

  • a display device;

    a host processor for processing applications;

    a task manager control system for initiating the processing of applications on the host processor in response to an operator, said task manager also controlling the processing of multiple applications on the processor, said processing control including suspending the processing of applications waiting for input when no input is available, said processing control including resuming the processing of suspended applications when input becomes available, each application having an associated operator window;

    a display manager control system for displaying multiple operator windows on the display device, one of the displayed operator windows being a current window, the remaining operator windows being subordinate windows; and

    a coordination controller for identifying the current and subordinate windows, said coordination controller signaling the task manager control system to suspend the processing of an application waiting for input when the application is associated with a subordinate window, said coordination controller signaling the task manager control system to process an application waiting for input when the application is associated with the current window.

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