radio

By ismail nijmeh

  • the first radio signal

    maxwell predicts he used a radio wave
  • Period: to

    next

  • hughes

    demonstrates the first working morse code

  • fessenden makes the first radioactive transmission

    makes the first radioactive transmission

  • KDKA

    begins to broadcast first radio brodcast
  • Period: to

    golden age for the radio

    The Great Depression drove down the average price of a radio sold in United States from $139 in 1929 to about $47 just four years later. But the brutal market forces of the early depression did not stop Americans from buying radios; by the end of the 1920s, one third of U.S. households owned a radio and by 1933 that number climb close to 60%.

  • first car with radio

    The Galvin brothers’ expensive $130 unit (a Model A Deluxe coupe cost $540) was the first commercially successful car radio, and the first product to wear the Motorola name.

  • first fm radio

  • tv became introduced

  • first car with FM

    AM was the undisputed king of the airwaves in 1952, but that didn’t stop Blaupunkt from introducing the first in-car FM radio.
  • Period: to

    tv became popular