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Screen image sharing among heterogeneous computers

  • US 5,241,625 A
  • Filed: 11/27/1990
  • Issued: 08/31/1993
  • Est. Priority Date: 11/27/1990
  • Status: Expired due to Term
First Claim
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1. A method for control and playback of information displayed on a source computer having a resident graphics interface means on at least one destination computer having a resident graphics interface means differing from said source computer'"'"'s graphics interface means in ways which include but are not limited to its architecture, graphics primitives, geometry, applied program interface, run-time environment, said method comprising the step of:

  • intercepting and capturing source computer system graphics commands in the source computer;

    translating on a command-by-command basis said captured source computer system graphics commands in one of said computers into one or more procedure calls for implementing said translated graphics commands on said destination computer such that the resulting graphics image on the destination computer will be substantially the same as the image on the source computer;

    calling up graphics routines corresponding to the procedure calls in the destination computer; and

    imaging graphics corresponding to said procedure calls on said destination computer.

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