Television – Format conversion – Specified chrominance processing
Reexamination Certificate
2007-01-23
2007-01-23
Lee, Michael H. (Department: 2622)
Television
Format conversion
Specified chrominance processing
C348S498000, C348S505000, C348S520000, C348S539000, C375S362000
Reexamination Certificate
active
10369750
ABSTRACT:
Digital broadcasting receiver, and method for compensating a color reproduction error therein, the digital broadcasting receiver including a channel decoder, a TP part for demultiplexing a TP stream from the channel decoder for being provided with a PCR (Program Clock Reference), and receiving a receiver side STC (System Time Clock), and providing a PCR jitter which is a difference between the PCR and an STC value, an STC compensating part for providing the STC value to the TP part from a system clock, and varying the system clock so that the PCR value and the STC value are identical, to generate a reference system clock in which the PCR jitter value becomes ‘0’, a decoder for receiving the reference system clock from the STC compensating part, and decoding a received picture, a display clock generator for providing a display clock generated by receiving the reference system clock as singular system clock, a video format and display processor for receiving the reference system clock and the display clock, and carrying out format conversion and display processing, and an analog composite picture signal generating part for compensating a sub-carrier frequency value from a reference system clock value, and encoding the received picture to provide a composite picture signal.
REFERENCES:
patent: 5473385 (1995-12-01), Leske
patent: 5612981 (1997-03-01), Huizer
patent: 5784119 (1998-07-01), Noda et al.
Canadian Patent Office Action dated Nov. 28, 2005.
Lee Michael H.
LG Electronics Inc.
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