DTV transmitter and method of coding data in DTV transmitter

Details DTV transmitter and method of coding data in DTV transmitter DTV transmitter and method of coding data in DTV transmitter

2011-04-26

2011-04-26

Lee, M. (Department: 2422)

Television

Television transmitter circuitry

C375S295000

Reexamination Certificate

active

07932956

ABSTRACT:
A DTV transmitter includes a pre-processor pre-processing supplemental data, a multiplexer multiplexing pre-processed data with main data, and a byte-symbol converter converting each data byte of the multiplexed data into a symbol. It further includes a symbol processor processing each supplemental data symbol outputted from the byte-symbol converter. It encodes one of upper and lower bits of each supplemental data symbol into first and second data bits, post-decodes the first data bit, and outputs the post-decoded data bit and the second data bit as a symbol. The DTV transmitter further includes a symbol-byte converter converting each symbol outputted from the symbol processor into a data byte.

REFERENCES:
patent: 6529558 (2003-03-01), Fimoff et al.
patent: 2002/0186790 (2002-12-01), Choi et al.
patent: 2004/0161048 (2004-08-01), Zaleski et al.

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