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Information descriptor and extended information descriptor data structures for digital television signals

  • US 20020035726A1
  • Filed: 04/17/2001
  • Published: 03/21/2002
  • Est. Priority Date: 04/17/2000
  • Status: Active Grant
First Claim
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1. A memory to contain program and system information protocol (PSIP) data about digital television (DTV) content, the memory being organized to contain a data structure comprising at least one of an information type descriptor segment and an extended information descriptor segment each of which characterize extra information associated with a virtual channel or an event in a DTV data stream.

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