Video signal transmission system with reduced number of signal l

Facsimile and static presentation processing – Static presentation processing – Attribute control

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358 1519, H04N 1106

Patent

active

048931756

ABSTRACT:
A video signal transmission system for transmitting a plurality of color video signals and horizontal/vertical sync signals from a transmitter part to a receiver part through a plurality of signal transmission lines is disclosed. The transmitter part includes a modulating circuit for modulating the video signals by a modulation method based on a Manchester format and generating a plurality of modulated video signals including Non Return to Zero video data, a synchronizing circuit for performing Code Rule Violation processing of the horizontal/vertical sync signals to generate burst signal-like sync signals in synchronism with the modulated video signals, a mixing circuit for mixing the burst signal-like sync signals with some of the modulated video signals to generate a plurality of transmission signals numbering less than a sum of the numbers of the modulated video signals and the horizontal/vertical sync signals, and a transmission circuit for transmitting the transmission signals to the signal transmission lines.

REFERENCES:
patent: 4249266 (1981-02-01), Nakamori
patent: 4670773 (1987-06-01), Silverberg
patent: 4677464 (1987-06-01), Yamaji et al.
patent: 4709256 (1987-11-01), Lechner et al.
patent: 4710824 (1987-12-01), Alston
Elektronik; 3rd part: Nachrichtenelektronik, Rundunk-und Fernsehelektronik; Europa-Fachbuchreihe fur Elektrotechnik und das Lehrsystem Elektronik; 5th edition, Wuppertal, Verlag Europa-Lehrmittel, 1980, pp. 161 to 169, ISBN 3-8085-3225-4.
Gerdsen, Peter: Digitale Uebertragungstechnik; Stuttgart, Teubner-Verlag, 1983, pp. 153 and 154, ISBN 3-519-00093-8.

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