Television – Nonpictorial data packet in television format – Data separation or detection
Patent
1994-12-30
1997-08-19
Tran, Thai
Television
Nonpictorial data packet in television format
Data separation or detection
348468, 348731, 386 83, 455 61, 4551791, 4551861, H04N 700, H04N 576, H04B 118
Patent
active
056593678
ABSTRACT:
An apparatus for providing a television guide includes a device for detecting whether a television is off, a device for switching a signal output from a first television signal source to a second television signal source, if television guide data is not contained in the signal output from the first television signal source when the device for detecting detects that the television is off, a device for extracting the television guide data from the signal output when the device for detecting detects that the television is off, and memory for storing the extracted television guide data. In another embodiment an apparatus for providing a directory for transmitted and recorded programs, includes a device for detecting whether a television is off, a device for switching a signal output from a first television signal source to a second television signal source, if a directory is not contained in the signal output from the first television signal source when the device for detecting detects that the television is off, a device for extracting the directory from the signal output when the device for detecting detects that the television is off, a recorder for recording the transmitted programs, and a memory for storing the extracted directory.
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Index Systems, Inc.
Tran Thai
LandOfFree
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