Pulse or digital communications – Bandwidth reduction or expansion – Television or motion video signal
Reexamination Certificate
2005-03-29
2005-03-29
Hofsass, Jeffery (Department: 2636)
Pulse or digital communications
Bandwidth reduction or expansion
Television or motion video signal
C375S240280, C348S425200
Reexamination Certificate
active
06873659
ABSTRACT:
The invention relates to digital signal terrestrial transmission systems operating in accordance with the MPEG2-TS standard and the DVB-T standard.The system comprises:N transmitters (12, 14) or transmission channels operating respectively at N different frequencies F1to FN, each transmitter receiving a same digital signal to send in the form of packets in accordance with the MPEG2-TS standard,N receivers (22R,24R) or receiving channels operating respectively at N frequencies F1to FN, each receiver supplying a succession of packets in accordance with the MPEG2-TS standard,N error detection devices (22E,24E) for detecting errors in the packets supplied by each receiver,N synchronization devices (22S,24S) for synchronizing the packets supplied by each receiver, anda device for selecting one packet among the N available packets that does not contain an error or, failing that, a packet that corresponds to the lowest error rate.
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Bugg George A
Hofsass Jeffery
Itis
Tarolli, Sundheim Covell & Tummino L.L.P.
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