Radio
Transcript of Radio
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RADIO
COMMUNICATIONS 20092653 Choi Mi Ri
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01 World history of radio broadcasting
Marconi
Wireless telegraph invention
Decisive role in the emergence of ra-dio broadcasting
Marconi made the first wireless telegraph
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01 World history of radio broadcasting
MorseThe first telegraph message trans-mission through wired telegraphy
Hertz Discovered the presence of high-fre-quency
Bell Telephone invention (1875)The likelihood of success of wireless telegraphy Preview
The rapid development of wireless communication technology
Triode since the invention of the United States de-Foret (1906)
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02 History of radio usage
Of the First World War, the military use of wireless communication
After the war the United States through a radio receiver for sale bangtaek
Presidential election broadcast the first official broadcast of KDKA broadcasters
From established broadcasters throughout the 1920s
Broadcast nature of the entertainment increase
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02 History of radio usage
Financial difficulties faced by advertising introduced an operating ap-proach adopted
The Great Depression of the 1930s, the radio activa-tion
By FM 1933 to Major Armstrong appeared
Radio's golden age from the mid-1930s until 1950,
Local broadcasters in the program itself, rather than a net-work program in the 1960s are beginning to focus
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03 Radio development process step
Stages of the wireless transmission
1920 birth of the first radio broad-caster
Step of broadcasting net-work
Provide to local broadcasters nationwide broad-cast
with the advent of the radio network
Stages of local music and news
Reconfiguration was in the form of the music of non-broadcast local news and information pro-
grams that provide formatting
The era of digital technology
~ 1920
1930~1940
1940~1950
From the late 1950s
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04 The history of radio broadcasting in Korea
* Broadcasting history, origin 5 set
1927,2,16JODK countries, First broadcast
1933,4,26Koihime transmitting station, Seogyo saenggim
1945,8,15U.S. military liberation, affective broadcast received - Koreans elected as a director
1947,9,3HL callsign grant
1948,8,15Publications under the Government of the Republic of Korea to establish, KBS entering
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