Enlightenment and Revolution 1550-1789 Scientific Revolution Enlightenment American Revolution.
5th Information Revolution: The Toolshed Home
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Transcript of 5th Information Revolution: The Toolshed Home
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55thth Information Revolution: Information Revolution:
The Toolshed HomeThe Toolshed Home
CA201 - 8
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The Toolshed Home
• Coming of electricity
• Communication without transportation
• Radio, phonograph, newspaper & magazines – were all enjoyed at home
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The Great DepressionThe Great Depression
• Mass unemployment
• Bread lines, soup kitchens
• Families evicted from homes
• They wanted FREE entertainment
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““Free” EntertainmentFree” Entertainment
• Free radio entertainment was all that many people can afford
• “the Golden Age of Radio”
• Radio was much more personal
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The Power of RadioThe Power of Radio
• October 30, 1938• Orson Welles’ Mercury
Theater• HG Well’s War of the
Worlds• Demonstrated the
emotional power of media• Hypodermic Needle
Effect
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Television Technology: BeginningsTelevision Technology: Beginnings
• “seeing at a distance”
• Scientific American June 1907
• Visual wireless, visual radio, electric vision
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Television Technology: BeginningsTelevision Technology: Beginnings
1884Paul Gottlieb Nipkow
“Nipkow Disk”1st major technological discovery to suggest
that pictures could travel
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Television Technology: BeginningsTelevision Technology: Beginnings
1923Vladimir Zworykin
Developed an all-electronic system to transform a visual
image into an electrical signalthat could travel through air.
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Television Technology: BeginningsTelevision Technology: Beginnings1930
Philo FarnsworthImproved Nipkow’s
Mechanical scanning device:Cathode ray, reproduces
electronic images more clearly.
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Television Technology: BeginningsTelevision Technology: Beginnings
April 30, 1939NBC’s Commercial TV debut
1939 World’s Fair, NYPres. Franklin Roosevelt –
1st president to appear on TV
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Early Television ProgrammingEarly Television Programming
• Like radio with pictures: variety shows, sitcoms, drama, Westerns, detective stories, soap operas and quiz shows
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Rise of Television NewsRise of Television News
November 22, 1963Assassination of JFK
More than 9 out 10 American watched the coverage
1968Anti-War Demonstrations and Vietnam War
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Radio in the TV EraRadio in the TV Era
1936Edwin Armstrong
introduces FM(frequency modulation)
radio
1935Martin Block
1st DJLicensed recordingslaunch disc jockeys
Gordon McLendonIntroduced format
radio-Standardized
-programs
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Portable RadiosPortable Radios
1928William LearCar Radio
“drive-time audiences”6-9 am; 4-7pm
Gerald Bartell 1957
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Radio’s New RoleRadio’s New Role
• Once the leisure-time “reward”
• Now accompanies almost every type of activity
• Radio as companion• Radio survived
because it adapted to fill a different need for its audience
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Wiring the Toolshed: CATVWiring the Toolshed: CATV
• CATV – Community Antenna Television
• 1948 • John Walson • Demonstrated TV using
army surplus twin-lead cable
• Jerrold Electronics – designed the system
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Wiring the Toolshed: CATVWiring the Toolshed: CATV
• Early CATV systems received broadcast television signals off the air and distributed the over coaxial cable to subscribers’ television
• These systems did not originate programming
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Originating ProgrammingOriginating Programming
• 1951• Martin Malarkey• Pottsville,
Pennsylvania• Responsible for
local origination with his 30 min local program
• CATV was now “cable tv”
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Trying to Record TelevisionTrying to Record Television
John Logie BairdThe first to produce
moving television images.
Tried to record a picture signal on
phonograph records.
Lee de ForestBuilt an
apparatus that included a revolving wheel and needles that etched a moving
film coated with silver.
RVL Harley and HE Ivesdevised the kinescope.
x x
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The First Videotape MachinesThe First Videotape Machines• 1956• Ampex succeeded in
devising a video recorder
• 3M worked with Ampex to make high quality recording tape
• 1958 – networks were recording in color
• 1971 – Sony introduced the Umatic ¾ cassette tape recorder
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Home VideosHome VideosPeople do not have to read a
book when its delivered. Why should they have to
see a TV program when it is delivered?
Akio MoritaSONY President
1975SONY introduced the
Betamax.
1976JVC introduced theVHS (video home
system).
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Cellular Phones
• A long-rage, portable electronic device used for mobile communication
• 1945 – 0G phones were introduced
• 1970 – Amos Joel of Bell Labs invented the “call-handoff” feature
• Martin Cooper of Motorola – inventor of the first practical mobile phone
• Mid-1980s – 1G phones were launched – 1st fully automatic mobile phone system
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To SummarizeTo Summarize
• NEED– Free entertainment, information by
demand• MEANS
– Radio, phonograph, telephone• SOLUTION
– Television, new radio formats, cable TV, VCRs, fiber optics, cellular phones
• EFFECT– Old media adapting to old media, time
shifting, heavy media usage, contacts decreasing