Facsimile and static presentation processing – Static presentation processing – Attribute control
Patent
1981-06-22
1987-08-25
Richardson, Robert L.
Facsimile and static presentation processing
Static presentation processing
Attribute control
358 13, 358142, 358 16, H04N 902, H04N 708
Patent
active
046896619
ABSTRACT:
The invention relates to a method and apparatus for simultaneously transmitting a plurality of television signals on a single radio link, in which the television signals are converted according to a digital (PCM) code, the digital signals are collected in suitable memories, said signals are read out at a rate multiple of the introduction rate, said signals are combined in a single sequence multiplexing, are again converted to analog signals, are transmitted through a radio link and at their arrival are again converted to a digital form, the luminance and chrominance signals are separated by means of a demultiplexer, are introduced at a predetermined rate in suitable memories, are read out from the memories at a rate which is a submultiple of the introduction rate, are converted into analog signals corresponding to the luminance and chrominance of each signal and are sent to as many PAL coders as are the television signals to be reconstituted.
REFERENCES:
patent: 4218697 (1980-08-01), Leventer
Barbieri Gianfranco
Garola Ugo
RAI - Radiotelevisione Italiana
Richardson Robert L.
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