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Software bus and interface for digital television application software environments

  • US 20020120945A1
  • Filed: 02/28/2001
  • Published: 08/29/2002
  • Est. Priority Date: 02/28/2001
  • Status: Active Grant
First Claim
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1. An architecture-independent digital television broadcast rendering system comprising:

  • receiving a digital television broadcast signal, said signal comprising a software application;

    receiving a command to execute said software application;

    executing said software application, said step of executing comprising;

    intercepting incoming infrastructure API calls from said software application;

    converting said infrastructure API calls into software bus API calls, said software bus API calls being designed to accommodate differing digital television API architectures;

    routing said software bus API calls to application engines;

    receiving API calls from said application engines as derived software bus API calls; and

    routing said derived software bus API calls to the appropriate of said application engines.

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