History of radio and tv

  • Marconi

    Marconi
    James Maxwell found that electromagnetic waves could propagate through free space.
  • vacuum tube detector

    vacuum tube detector
    rotary-spar transmitter, first radio program broadcast.
  • radio factory

    radio factory
    after the RMS Titanic disaster, due to increased production Marconi opened the world's first purpose-built radio factory at New Street Works in Chelmsford.
  • television

    television
    radio was first used to transmit pictures visible as television.
  • live performance

    live performance
    Sociedad Radio Argentina aired a live performance of Richard Wagner's opera Parsifal from the Coliseo Theater in downtown Buenos Aires.
  • Radio news program

    Radio news program
    The first radio news program was broadcasted in Detroit, Michigan.
  • television- Europe & North America

    television- Europe & North America
    regular analog television broadcasting began in some parts of Europe and North America.
  • internet talk radio

    internet talk radio
    In 1993, Malamud launched "Internet Talk Radio" which was the "first computer-radio talk show, each week interviewing a computer expert."
  • digital millennium copyright act

    digital millennium copyright act
    the US Congress passed the Digital Millennium Copyright Act . One result of the DMCA is that performance royalties are to be paid for satellite radio and Internet radio broadcasts in addition to publishing royalties. In contrast, traditional radio broadcasters pay only publishing royalties and no performance royalties
  • How many people listen

    How many people listen
    3,000 Americans released by consultancy Bridge Ratings & Research" found that "[a]s much as 19% of U.S. consumers 12 and older listen to Web-based radio stations."