radio
TRANSCRIPT
RADIO
COMMUNICATIONS 20092653 Choi Mi Ri
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
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)
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
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
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
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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