Interactive video distribution systems – Local video distribution system – Multiunit or multiroom structure
Reexamination Certificate
2005-03-22
2011-11-22
Kumar, Pankaj (Department: 2424)
Interactive video distribution systems
Local video distribution system
Multiunit or multiroom structure
C725S085000, C725S086000, C725S100000, C345S545000
Reexamination Certificate
active
08065707
ABSTRACT:
A method for providing a combined TV/PC video stream for TV display is provided. A TV video chip having a video input port for receiving a PC monitor display signal and an input for receiving a TV broadcast signal is provided, as well as a PC graphics chip. A PC monitor display signal is sent from the PC graphics chip to the TV video chip. The TV video chip mixing the PC monitor display signal with the TV broadcast signal to generate a combined TV/PC video stream in a format for TV display. A method for generating a combined TV/PC video stream in a format for TV display is further provided. A stream of encoded TV frames is received and the encoded frames are decoded to provide a stream of decoded TV frames. The stream of decoded TV frames is stored into a memory. A PC monitor display signal is provided and is converted into a stream of PC frames. The stream of PC frames are stored into the memory. At least a part of the TV frames and at least a part of the PC frames are read from the memory to output a combined TV/PC video stream and serializing the combined TV/PC video stream, the TV/PC video stream being in a format for TV display.
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Matic Branislav
Matic Goran
Anglehart et al.
Hicks Charles N
Kumar Pankaj
Matrox Electronic Systems Ltd.
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