PID/section filter in digital television system
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Nov 25, 2003
Grant Date -
Jun 7, 2001
app pub date -
Dec 1, 2000
filing date -
Dec 2, 1999
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The present invention relates to a PID/section filter which is adapted without any restriction to an ATSC standard or a DVB standard, comprising a processor module for detecting a PID and a TID by decoding the input transport stream, downloading the information requested by the viewer, and controlling the operation of the each system unit in order to store the information on a memory or ignores it, a PID comparing circuit module for comparing the PID value stored on an internal register with the PID value from the processor module, a download circuit module for downloading the extracted information among the decoded information by the processor module, and an external memory managing module for storing the information extracted in-accordance with the request of the viewer among the information decoded on the processor module.
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