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HISTORY OF COMMUNICATION
PART II
TELEGRAPH
• Major shift occurred with arrival of electricity• Telegraph first wave new telecommunication revolution• With telegraph in 1840 words transformed into electrical impulses(dots and dashes of Morse code)
• Telegraphdivided into 21. Optical telegraph2. Electric telegraph
OPTICAL TELEGRAPH
• First practical telecommunication system• Inventor Claude Chappe(1763-1805)• Chappe’s telegraph: made from wood, iron or
stone• Not included electricity• Had a codebook (first codebook=9999 entries)• Codebook in 1830:45050 words/phrases
• A complex system, because;1. Require long codebooks2. Skilled and efficient administration3. Requires many stations4. Too expensive
• Weaknesses of optical telegraph;1. Human: performance related to human’s
capacityneed military discipline2. Natural:not usable at night, in fog or rain
• Reasons for success of Optical telegraph;1. Military necessity: Real time info. on battles2. Deep political, ideological significance:• It shortens distance • Instrument in formation of French nation-state• Tool in defending unity of nation
• System operated and owned by Government• Used for Government messages• Military reasons/reports Napoleon 3. Optical telegraph result of Age of Enlightenment
• Optical telegraph was useful;1. Building nationhood2. Maintaining public order 3. Transmitting commercial information
ELECTRIC TELEGRAPH
• Through 1830s electricity was used to transmit messages• Samuel Morse: Morse codes• His codes: used to transformed into the codes• Electric telegraph: 10 times handled more
info.
TELEPHONE
• Alexander Graham Bell: inventor• Appeared in 1876• Based on voice transmission• Eliminated telegraphy
• Benefits of telephone;1. Rapid two-way exchange2. Interactive, Person-2-Person contact3. By 1880s: simplicity and efficiency of
telephone(used in private homes)4. Reshaped range of business practices
IMAGE TECHNOLOGIES(PHOTOGRAPHY)• Beginning of photography: 1839• Louis Daguerre: inventor• There were 2 things that made possible to use
photograph in newspapers and magazines1. Lithography: Halftone engraving2. Halftone: Print obtained from photo
engraving
EARLY PHOTOJOURNALISM
• After 1885s, it started with emergence of early photographers
• First US president to be photographed: Abraham Lincoln
INSTITUTIONALIZATION OF PHOTOJOURNALISM
1. Halftone Pictures: Newspapers using halftone illustrations
2. Press Photographers: News agency distributing photographs
3. Photo Agencies: Photographers equipped with small, fast hand-held cameras
1.Halftone Pictures
• Since 1867: Halftone reproductions in weekly newspapers & magazines
• Since 1880:Daily papers• Since 1890: Large circulation of newspapers
with Halftone illustrations• After 1910: With new technique(Halftone
block) increase in amount of illustrations
• EX: 903 pictures per week in 1910
2.Press Photographers
• Throughout 1880s: Limited photos in newspapers
• Within 15 years; several newspapers replaced their draughtsman with cameraman
• By 1900: Existence of many photographers in America rising in news images published
• Subject of photos :Limitless• Around 1900s: Modern photojournalism • First war to be photographed: Spanish-
American conflict• Jimmy Hare: One of first photojournalists who
was photographed Spanish-American war• He also played a leading role in early
photojournalism
HISTORY OF RADIO
• Telegraph and telephone were important inventions
• Their only weakness messages transmitted only via wires
• The solution Wireless communication by using radio frequencies
• Heinrich Hertz: in 1885, he demonstrated radio waves
• Guglielmo Marconi: Italian inventor, known as radio-telegraph system
• Transmitted Morse code across Atlantic by wireless
• Marconi did not discover a new principle; but he improved and adapted the components
• Marconi’s radio-telegraph system was used in Titanic in 1912
• Reginald Fessenden : First to transmit voice over air
• Introduced in 1906 Christmas Eve, the radio by broadcasting music and voice
• Nicola Tesla: Developed new systems for wireless communication
• Commercial Broadcast: started in 1920• Stations on air in 1923: 556• Commercial radio licenses: in 1912• Domination of live music: in 1920s• Diversity of programing: in 1930s
CINEMA
• Projected motion picture photography reality in 1890s
• The first motion picture camera(kinescope) Thomas Edison’s employee; Dickson• Edison patented the system in US • Introduced at Chicago World’s Fair in 1893
• Kinetograph: only source of films• Early films: ended just in 15 seconds• When Edison patented his system
simultaneously The Lumiére Brothers patented cinematograph system in France in 1895
(Auguste&Louis)
• Cinematograph: portable, suitcase-sized• Consisted of a camera, film processing unit
and projector; all in one1. Record in morning2. Process in afternoon3. Project to audience in that evening
• The first film: Arrival of the express train
TELEVISION• The invention John Logie Baird• Developer Philo Taynor Farnsworth• Date of invention/patent 1926• First demonstration 1928• BBC public broadcasting 1932
• Summer Olympics broadcast1936• First demonstration all electronic TV sets 1938• Suspending Broadcasting of BBC 1939• First TV ad 1941
•
IN TURKEY
• Turkish Radio Television Corporation( TRT) Public Broadcaster
• Founded 1964• Test transmissions 1968• A full national TV schedual in Ankara, İstanbul,
İzmir 1971• Color tests 31 December 1981• Lining up switched to color 1984
• Turkey’s first private channel Star TV• Date of foundation1989
RESOURCES
• Special thanks to; İrem Özgören Kınlı
• http://www.youtube.com/watch?v=3KTxZCjOqWc
•THANK YOUFORLISTENING!!!
• Created by; Halil İbrahim ULUHAN