Clip art radio 08

Radio: 1940's - now

  • Standard analog transmissions begin

    Standard analog transmissions begin
    Standard analog transmissions began broadcasting around Europe and North America.
  • US Supreme Court vs. Marconi Company

    US Supreme Court vs. Marconi Company
    The US Supreme Court restores previous patents of Oliver Lodge, John Stone Stone and Nicola Tesla to declare that the Marconi Company weren't the first to achieve radio communication.
  • FM broadcast to Germany

    FM broadcast to Germany
    After World War 2, Germany was finally granted access to FM radio.
  • New wavelength plan

    New wavelength plan
    A new wavelength plan was made for Europe (excluding Germany at the time) in a meeting in Copenhagen, Denmark. Germany was only given poor medium-wave frequencies, so they broadcasted on their own wavelength called UWS (ultra short waves), which are currently called VHF.
  • Introduction of pocket transistor radio

    Introduction of pocket transistor radio
    The pocket transistor radio, Regency TR-1, was created by two American companies, Texan Instruments of Dallas from Texas and Industrial Development Engineering Associates from Indiana. It was very popular due to its small size and portability. It was powered by a standard 22.5V battery.
  • First transistorized radio

     First transistorized radio
    The first transistorized radio was created by Sony which was small enough to be put into a vest pocket and was powered by a small battery.
  • First radio communication satellite

    First radio communication satellite
    The first radio communication satellite, called TELSTAR, was launched by NASA and contracted by Telephone Bell Laboratories. This allowed the telephone network to convert to the digital network.
  • Late 1990's: Digital transmissions

    Late 1990's: Digital transmissions
    Digital transmissions began being broadcasted via satellites.