Radio History - Blanca Contreras

By blanca2b

  • Invention of the radio

    Marconi was a italian .He sent and recieved his first signal 1895. By 1899 he flashed the first wireless signal across the English channel.This was the first successful transatlantic radiotelegraph message in 1902.

  • Triode Tube invented

    Invented by American electrical engineer Lee De Forest. The Audion Tube allowed signals to go farther by amplifying them.
    which went on to become the most significant electronics innovation of the first half of the 20th century.
    We still use this basically but its more advanced.

  • The First Broadcast

    In 1906 at Brant Rock MA, Fessenden plays his violin, sings a song, reads a bible verse into a wireless telephone of his own invention. This is the first broadcast and it happens Christmas Eve it is a broadcast because it is designed for more than one listener

  • First song ever played on radio

    From Brant Rock when during a short program for Christmas, O Holy Night was played on a violin. Reginald Fessenden Canadian inventor used the alternator-transmitter to send out a short program from Brant Rock.By Fessenden himself playing the song O Holy Night on the violin.

  • Radio importance in the Titanic

    When the Titanic crashed into the iceberg, the crew used the raidio to give off a distressed call. This call was helpful because without it a rescue crew would not come for a few weeks. Which contributed to the use of radio on other thins.

  • First radio station created

    KDKA was the first radio station in Pittsburgh Pennsylvania . This station had 50 kilowatt signal and could be herd threw central and western Pennsylvania . KDKA also hired the first full-time announcer Harold W. Arlin, who became the first sportscaster to do play-by-play football.

  • The first radio commercial ever aired

    In 1922, WEAF aired the first commercial in history.This initial advertisement cost $100, and was the first of what became a 15-minute series. The commercials ran until September 21

  • First cassett

    invented by the Philips Company
    it was introudcuded to germany to record music and other things. cassets where difficult to use and very expensive so they didnt catch on to fast. they were revolutionary

  • First FM radio invented

    Invented by Edwin Howard Armstrong.
    This is the first radio that was created with an FM radio. It was created by Edward Armstrong. This radio was used so that you could change the stations between AM or FM in a quick second.

  • The music radio

    From radio's before, they were always used for listening to your favorite shows. But this one, it's often associated with rock-and-roll radio from the 1970s. This radio is also made more portable than the previous ones.

  • First Boombox

    The first Boombox was developed by the inventor of the audio Compact Cassette.Boomboxes were soon also developed in Japan in the early 1970s and became popular due to their size matched with impressive sound quality.

  • Top 5 Hit's of the 70's

    1 "Raindrops Keep Fallin' On My Head"--B.J. Thomas
    2 "Let It Be"--The Beatles
    3 "Band of Gold"--Freda Payne
    4 "I'll Be There"--The Jackson Five
    5 "Close To You"--The Carpenters

  • First Walkman invented

    On June 22 1979, the Sony Walkman was launched in Tokyo. Journalists were treated to an unusal press conference. They were taken to Yoyogi [a park in tokyo] and given a Walkman to wear.

  • First CD player

    Bruce Springsteen's Born in the USA was the first music CD released in America (1984).

  • First MP3 with High quality radio

    Created by Fraunhofer Institut in Germany .
    MP3 is an audio-specific format that was designed by the Moving Picture Experts Group (MPEG) .