| 摘要 |
Interactive video communication system ( 1 ) comprising client systems ( 2 ) with transmitters ( 10 ) for transmitting client signals to further client systems ( 3 ) and first receivers ( 11 ) for receiving video signals from sources ( 4 ) and second receivers ( 12 ) for receiving further client signals from the further client systems ( 3 ) and screens ( 13 ) for displaying video information derived from the video signals and further client information derived from the further client signals and storing means ( 14, 15, 54 ) for storing signals and detecting means ( 16, 17, 56 ) for detecting commando's from clients are improved by, in response to a first commando, marking a part of the signal and storing further parts of this signal, and, in response to a second commando, supplying the further parts of the signal to the screen and storing yet further parts of the signal. Network systems ( 5 ) comprising network receivers ( 51 ) for receiving client signals from the client systems ( 2, 3 ) and network transmitters ( 52 ) for transmitting client signals to the client systems ( 2, 3 ) are located between the client systems ( 2, 3 ).
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