×

Scene synchronization of multiple computer displays

  • US 5,956,046 A
  • Filed: 12/17/1997
  • Issued: 09/21/1999
  • Est. Priority Date: 12/17/1997
  • Status: Expired due to Term
First Claim
Patent Images

1. A computer system, comprising:

  • a plurality of processing units, wherein each of said plurality of processing units includes a corresponding output signal, and wherein each of said plurality of processing units is configured to assert said corresponding output signal while performing a corresponding one of a first plurality of processing tasks;

    a plurality of latch circuits, wherein each of said plurality of latch circuits is coupled to receive one said corresponding output signal from a respective one of said plurality of processing units as a corresponding latch input signal, and wherein each of said plurality of latch circuits is configured to latch said corresponding latch input signal as a corresponding latch output signal for a first time period beginning at a first point in time;

    an indicator circuit coupled to receive each said corresponding latch output signal from said plurality of latch circuits, wherein said indicator circuit is configured to generate an indicator output signal indicative of whether any of said plurality of processing units was performing said corresponding one of said first plurality of processing tasks at said first point in time;

    and wherein each of said plurality of processing units is configured to sample said indicator output signal at a second point in time subsequent to said first point in time, and wherein each of said plurality of processing units is configured to initiate a corresponding one of a second plurality of processing tasks in response to said indicator output signal indicating that all of said plurality of processing units have completed said corresponding one of said first plurality of tasks by said first point in time.

View all claims
  • 2 Assignments
Timeline View
Assignment View
    ×
    ×