The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 25, 1987
Filed:
Jun. 22, 1981
Gianfranco Barbieri, Turin, IT;
Ugo Garola, Moncalieri, IT;
RAI - Radiotelevisione Italiana, Rome, IT;
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 coders as are the television signals to be reconstituted.