نویسندگان
دانشگاه تهران
چکیده
کلیدواژهها
عنوان مقاله [English]
نویسندگان [English]
Invention of satellite and the use of it in the broadcasting technology ,evolved the broadcasting organizations activities. On one hand, it developed the scope of broadcasting geographically and to some extent solved the limitations and problems of transmitting signals such as difficulties in receiving the signals in mountainous or wood areas. On the other hand, the use of satellites on transmitting signals led to abuse of distributors recieved unauthorized signals. The Convention of Distribution of Programme-Carrying Signals Transmitted by Satellite or Satellite Convention was approved in reply to the progress in broadcasting technology and abuse of unauthorized transmitters in 1974.
کلیدواژهها [English]
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