Transmission control method of coded video signals and...

Details Transmission control method of coded video signals and... Transmission control method of coded video signals and...

2007-07-17

2007-07-17

Wong, Allen (Department: 2621)

Pulse or digital communications

Bandwidth reduction or expansion

Television or motion video signal

C375S240000, C375S240010, C375S240260

Reexamination Certificate

active

09572427

ABSTRACT:
A system for transmitting coded digital video signals in a packet form through a signal line and a method of controlling the system. A transmission portion converts the digital video signals to a signal stream as a sequence of a plurality of packets each containing a predetermined sync code and a payload, and transmitting the signal stream. In case a fail of periodicity of the video signals is detected, a signal stream containing a packet into which a predetermined dummy signal not being the sync code is inserted into a position of sync code in a packet to be transmitted at that time and is transmitted. When receiving no sync code at a predetermined portion in the received packet, a reception portion executes an image reproduction process on the basis of the video signal data not depending on the packet containing the dummy signal and is so received.

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