Communication, Technology
 & Audio Milestones

   Timeline from 1837...

   
    1999 - Super Audio CD (SACD) and format rival DVD-Audio are launched.
    1997 - MP3 audio compression format gains popularity. 
    1997 - DAB Radio is launched at the Consumer Electronics Show in Berlin. 
    1995 - The digital video DVD format agreed.
    1993 - The early stages and growth of the Internet world-wide-web.  
    1992 - Sony MiniDisc (MD) is launched.
    1982 - The digital Compact Disc (CD) is launched (Sony & Philips).
    1979 - Sony introduce the 'Walkman' portable cassette player.
    1978 - LaserVision Philip 30cm video disc - The start of laser disc home technology.  
    1971 - The microprocessor CPU (with arithmetic, logic and control circuits).
    1969 - First voice communication from Neil Armstrong on the moon (Apolo11). 
    1965 - The 8'Track tape cassette is launched (Popular through the 70s).
    1964 - Radio Caroline broadcasts pop music to the Uk.
    1964 - Philips introduce the Compact Cassette Tape.
    1962 - Beatles release 'Love me do' in October (mono).
    1961 - First VHF-FM radio broadcasts in the UK.
    1960 - Last 78 rpm record issued by EMI in the UK.
    1959 - Silicon chip invented.
    1958 - First stereo LP records released.
    1957 - First radio signals from space (Soviet Union Sputnik 1 satellite). 
    1956 - Stereo tape recordings.
    1954 - First portable 'transistor radio' available.
    1952 - The 7" 45 rpm and 12" 331/3 rpm records released in the UK.
    1948 - 12 inch LP vinyl record introduced.
    1947 - The invention of the Germanium Transistor.
    1945 - FM broadcasting - The FCC allocates VHF 88-108MHz.
    1939 - Tape recordings improved with AC bias.
    1936 - First Television Broadcasts in London (Black & White).
    1936 - First magnetic tape recorder, the Magnetophone.
    1935 - Development of tweeter and woofer to reduce speaker distortion.
    1933 - Radio Luxembourg commences broadcasting.
    1933 - Frequency Modulation (FM) invented by Edwin Armstrong (USA).
    1926 - Television invented by John Logie Baird.
    1922 - First daily broadcasts from '2LO' in London (Medium Wave).
    1919 - First licensed radio station 'KDKA' in Pennsylvania.
    1918 - Patent for Superheterodyne radio receiver (Edwin Armstrong).
    1914 - First car radio (in a model T) however it only worked when parked.
    1912 - Radio message (morse code) from the doomed Titanic.
    1908 - Early radio telephone (AM) Broadcasts.
    1907 - Lee De Forest - Patent for the first three element vacuum valve.
    1906 - Lee De Forest - Transmits speech across his Laboratory.
    1905 - Sir Ambrose Fleming - First electron valve (tube for our Americans).
    1901 - First transatlantic radio communication (Cornwall to Newfoundland).
    1896 - Marconi spark gap transmitter.
    1887 - Heinrich Hertz transmits and receives radio waves over a short distance.
    1886 - Gramophone invented (Disc record) - Tainter & Bell.
    1878 - Edison - Filament light invented. 
    1877 - Edison - Phonograph invented (Cylinder record).
    1876 - Telephone invented (Bell).
    1864 - James Maxwell - Electromagnetic wave theory (the basis for radio waves).
    1844 - Morse sent first public telegram (cable) message over 40 miles.
    1837 - Electric telegraph invented.



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