DIGITAL WIDE-BAND COMMUNICATION SYSTEM

专利名称：DIGITAL WIDE-BAND COMMUNICATION

SYSTEM

发明人：STARCK, ALEXANDER, DIPL.-PHYS.,CHRISTIANSEN, HANS-MARTIN, DIPL.-ING.,MOHRMANN, KARL-HEINZ, DIPL.-ING.

申请号：EP81109262申请日：19811029公开号：EP0063639A3公开日：19851227

摘要：In this system, a central station (I) is connected via glass fibres (II) to subscriberstations (III). These can receive television programmes, sound programmes, video

telephone signals and telephone signals and transmit video telephone signals, telephonesignals and various return channel signals. The invention consists of a practical

implementation of such a system. In this, a composite colour video signal/colour videocomponent signal converter and coder (2) and a device (3) for line frequencysynchronisation (III) are provided in the central station (I) for television programmesignals arriving from outside, whilst the subscriber stations (III) contain colour televisionreceivers (20) for colour video component signals and colour video telephone sets (21)which transmit line-frequency-synchronised colour video component signals.

申请人：SIEMENS AKTIENGESELLSCHAFT

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