Patent ID: 6040867
Filing Date: 2000-03-21
Classification: H04N

Abstract:
A television signal receiving apparatus, comprising:a channel decoder which receives a television signal containing a video signal, a sound signal, a data signal, and additional data multiplexed therein for tuning, demodulation, and error correction to produce a channel decoded signal;a demultiplexor which separates the video signal, the sound signal, the data signal and additional data multiplexed from the channel decoded signal to produce coded data of each of the video signal, the sound signal, and the data signal and to extract service information as one of the additional data;a storage device which stores the service information extracted from said demultiplexor;a write controller which controls writing of the service information into said storage device in accordance with a user command input by a user;a read controller which controls reading of the service information from said storage device in accordance with the user command input by a user;a source decoder which decodes the coded data outputted from said demultiplexor by using the service information outputted from said storage device to produce the video signal, the sound signal, and the data signal; andwherein said storage device is controlled by said write controller to memorize at least service information having a transmitting period greater than a predetermined time and having a quantity of information greater than a predetermined amount, and is controlled by said read controller to output necessary memorized information as required by the user to thereby enhance the processing speed of the service information for a quick response to the user command.