Patents Assigned to Rai-Radio Televisione Italiana
  • Patent number: 4620218
    Abstract: In order to improve the quality of color television signals for broadcasting via satellite, the signals are transmitted on two of the channels available for transmission via satellite according to the rules established by CCIR. In the case of transmission by means of a compatible system, the NTSC, PAL or SECAM signal is transmitted on the first of the two channels and on the second channel there are transmitted the baseband R-Y and B-Y signals at from 0 to about 3 MHz sequentially on alternate lines and up to the limit of the video band the high frequency components of the luminance signal.
    Type: Grant
    Filed: July 1, 1983
    Date of Patent: October 28, 1986
    Assignee: Rai-Radio Televisione Italiana
    Inventors: Paolo D'Amato, Rolando Salvadorini