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1667: Robert Hooke invented a string telephone
1844: Innocenzo Manzetti The first mooted the idea of a “speaking telegraph”
1867 Alexander Graham Bell invented the telephone
April 1, 1976 Apple INCwith the release of the Apple 1
1877 The first telephone appeared in Wisconsin1877 The first telephone appeared in Wisconsin. Appleton banker Alfred Galpin ran a line from his residence to the bank.
March 1926: First transatlantic telephone call, from London to New York
April 1970: world's first videophone call via an electro-mechanical AT&T unit, from Washington, D.C. to New York City, by then-Commerce Secretary Hebert Hoover.
April 1973:Motorola employee Martin Cooper placed the first hand-held cell phone call to Joel Engel, head of research at AT&T’S Bell Labs while talking on the first Motorola DynaTAC prototype.
1981: The world's first fully automatic mobile phone system NMT is started in Sweden and Norway.
http://en. wikipedia. org/wiki/File:Original_iPhone_docked3 March 2008
We use our telephone or cell phone everyday. It is a faster way to communicate with our family, friends, or people. And if you have an emergency to call.
Making a simple telephone
TELEPHONES By: Shelby S. Thompson Date: September 18, 2009 Class: Technology Period: 8/9.
In 1876 Alexander Graham Bell invented the telephone with the help of his assistant Thomas A. Watson Telephone is the Greek word for sound Mr. Bell got.
Alexander Graham Bell and the Invention of the Telephone By Nicholas Hyatt April 2, 2009.
Mobile phones Invented by Dr. Martin Cooper
The Invention of the Cell Phone
EVAN SINGLETON MS. BORNFRIEND MYP TECHNOLOGY PERIOD 10 The Invention of The Telephone.
Telephone- an instrument which converts sound (human voice) to electrical impulses of various frequencies and then back to a tone that sound like the.
Cell Phones: The Technology Behind Them Clara To and Luka Karginov.
History of Mobile Phones
Mobile phones Done by: Karim Ahmed 9CC. The First Handheld Cell Phone On 3 April 1973, Martin Cooper, a Motorola researcher and executive, made the first.
Presented by Duangta Joel Engel Richard Frenkel Today’s communications industrial would not be what it is, with out these two persons In 1947 AT& T Bell.
By: Kristen Steed and Mari Figueroa. Alexander Graham Bell was born in 1847, in Edinburgh, Scotland He was educated at the University of London While.
By Jeremy Swann Mrs. Helen Bond 12:40-2:00. Thomas Edison invented the carbon microphone which produced a strong telephone signal.
Dr. Martin Cooper invented the first portable cell phone in April 1973.
Joshua Billiel Affects of Cellular Phones on Society.
The History of the Telephone
By Miquel Marrow. The invention of the cell phone started with Samuel Morse. He invented the first electromagnetic telegraph in In 1843, Michael.
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