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Period: to
History of the Telephone
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Alexander Graham Bell invents the Telephone
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Telephone transmission range extends
-loading coils reduced distortion and the loss of a signal's power, thus allowing signals to travel further
-Mihajlo Pupin invented the loading coils -
Sir John Ambrose Fleming invents the vacuum diode
-the valve reliably detects radio waves
-"Transcontinental telephone service becomes possible with Lee De Forest's 1907 patent of the triode, or three-element vacuum tube, which electronically amplifies signals." -
First transcontinental telephone call
-Graham Bell makes the call to Thomas Watson
-New York to San Francisco -
North American Numbering Plan (NANP)
-AT&T and Bell Labs develop the system that assigns phone numbers to Americans -
Direct longdistance calling first available
-no operator was required for nationwide calls for the first time -
TAT-1, or the First transatlantic telephone cable
-enabled calling between the US and the UK -
Telstar 1
"Communications satellite Telstar 1 is launched by a NASA Delta rocket on July 10, transmitting the first live transatlantic telecast as well as telephone and data signals." -
Touch-tone telephone is introduced
-Western Electric 1500 model features 10 push buttons that replace the standard rotary dial -
First 911 call is made
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First portable cell phone is made
-Martin Cooper of Motorola
-although car phones were used since the 1940's, this was the true first portable cell phone -
Tests of small, low-powered transmission towers, each covering an area a few miles in radius
-AT&T and Bell Labs -
Voice Over Internet Protocols
"people to make voice calls over the Internet on packet-switched routes— starts to gain ground as PC users find they can lower the cost of their long-distance calls" -
100 million cellular telephone subscribers
-by 2000, 100 million people were using cell phones in the US alone -
The first iPhone is sold
The first Apple iPhone is sold, marking the beginning of a cell phone empire. -
iPhone 3G is released
-the Apple iPhone 3G is released
-this smartphone had networking twice as fast as its predecessor. -
iPhone 4
-Apple releases its iPhone 4
-it included faster networking, a faster processor, and many minor improvements -
Period: to
Predictions
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Cost of cell service and cellular data is decreased
-cellular service is much cheaper for companies to obtain, control, and provide, making it cheaper for customers -
Smartphone features are extremely improved
-extremely longer battery life
-"perfect" size displays
-all smartphones are waterproof, dirt proof, etc
-amazing service everywhere -
Built-in projector
-smartphones widely have built in projectors, helping lead up to the projectable cell phone (March 2051) -
Cell phones are now easier to use
-can be worn on the arm
-lowers the price of smartphones
-smartphones continue to be the dominant cellular phone -
Flawless voice search/voice control
-Siri, and other such programs, are upgraded to understand human voices much better -
Flexible Screens
-smartphones widely have flexible screens, making them easier to carry, use, and protect from damage -
3-D/pop-out holograms
-many videos are able to be viewed in 3-D -
Smart phones are free for Americans and citizens of Europe
-smart phones are completely free for Americans and Europeans -
Cell and data service is completely free for everyone
-cell service is now free for everyone -
Free smart phones for all residents of North America, South America, Europe, and most of Asia
-Free smart phones for all residents of North America, South America, Europe, and most of Asia
