History of the Phone:
Development of Telecommunications
             in Society
                 Brendan Prout
           ...
History of the Phone
       development of
telecommunications in society
Early History
• Telegraph: 1 or 0 signal only, 1840’s
• 1844: first reports of sound transmissions
  over telegraph wires
...
1890’s




• “Candlestick” receiver phone
• Beginning of networks
• Manual connections & operators
1960’s




    • 1960’s: beginning of digital transmission and
      switching
    • allowed more bandwidth on existing li...
1970’s
• pushbutton dial phone
1990’s: VoIP digital phone over internet
       nearly 10% of subscribers worldwide




Phone                         meet...
Wireless Phones
• 1908: first wireless phone system “Cave
  phone”
• 1944: radio phones used in WWII
• 1945: first cell ph...
1973
first handheld wireless phone call made by
   Martin Cooper
Cell Phone comes of age
• 1979: first commercial wireless network (Japan)
• 1983: first cell phone approved for use in USA...
Popularity grows




• 1984 – 1990: car phones
• 1991: 2G networks implemented, handhelds
  become inexpensive
More than a phone
• 1999: Internet service provided on cell phones
  (Japan)
• 2001: 3G networks launched
Technological progression
From voice to broadband communications
Smartphones
Influencing Society
Student Use
Many schools has set restrictions on the use of mobile phones
 because of the use of cell phones for cheating ...
…Next???
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History of Phone

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Basic overview of the history of telecommunications, specifically related to phones

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History of Phone

  1. 1. History of the Phone: Development of Telecommunications in Society Brendan Prout EDUC515 Azusa Pacific University: San Diego Regional Center Master of Educational Technology Program Professor Jeff McKendricks Summer 2009
  2. 2. History of the Phone development of telecommunications in society
  3. 3. Early History • Telegraph: 1 or 0 signal only, 1840’s • 1844: first reports of sound transmissions over telegraph wires • 1854 – 1876: various patents for sound telegraph • Early 1870’s: Alexander Graham Bell begins experimenting • 10 March 1876: Bell makes first phone call on his system and patents telephone
  4. 4. 1890’s • “Candlestick” receiver phone • Beginning of networks • Manual connections & operators
  5. 5. 1960’s • 1960’s: beginning of digital transmission and switching • allowed more bandwidth on existing lines • multiplexing • rotary dial phone commonplace
  6. 6. 1970’s • pushbutton dial phone
  7. 7. 1990’s: VoIP digital phone over internet nearly 10% of subscribers worldwide Phone meet Internet 2006: nearly 4 billion mobile and fixed line users, over 1 billion VoIP users worldwide
  8. 8. Wireless Phones • 1908: first wireless phone system “Cave phone” • 1944: radio phones used in WWII • 1945: first cell phone • 1947 first networked cell phone transmitter sites built by AT&T
  9. 9. 1973 first handheld wireless phone call made by Martin Cooper
  10. 10. Cell Phone comes of age • 1979: first commercial wireless network (Japan) • 1983: first cell phone approved for use in USA (Motorola DynaTAC)
  11. 11. Popularity grows • 1984 – 1990: car phones • 1991: 2G networks implemented, handhelds become inexpensive
  12. 12. More than a phone • 1999: Internet service provided on cell phones (Japan) • 2001: 3G networks launched
  13. 13. Technological progression From voice to broadband communications
  14. 14. Smartphones
  15. 15. Influencing Society
  16. 16. Student Use Many schools has set restrictions on the use of mobile phones because of the use of cell phones for cheating on tests, harassing other people, causing threats to the schools security, and causing gossip and other drama in school. Many mobile phones are banned in school locker room facilities and in public restrooms. New camera phones are required to have a shutter effect when a photo is taken.
  17. 17. …Next???

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