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History of Cell Phones. By Tim Douglas Class: Mr. Cline Period: 4. The Cell Phone. A cell phone is a handheld
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History of Cell Phones By Tim Douglas Class: Mr. Cline Period: 4
The Cell Phone • A cell phone is a handheld electronic device used for mobile telecommunications that allows you to communicate with another people in two main ways such as texting or simply calling a person. Cell phones can be used to explore the internet or even play games on .
History of the Cell phone • 1946 - The first commercial mobile radiotelephone service was introduced in St. Louis. • 1977 - Experimental cellular systems launched in Chicago and the Washington, D.C./Baltimore region. • 1983 - The first commercial cellular system begins operating in Chicago. • 1992 – World’s first commercial text message sent by employees of Logical CMG. • 1996-The Telecommunications Act of 1996 becomes law, in part designed to open other communications markets to competition. 38 million cell phones in use in the U.S. • 2003-200,000 times each day, someone uses a wireless phone. • 2007- there were 295 Million subscribers on 3G networks worldwide.
Major changes • Introduced as mobile rigs it was mainly used in police cars , taxis, and other emergencie vehicles. • The first mobile phones where the size of a large briefcase. • The 2nd Generation of cell phones ran on battery power making them more energy efficient but where about the size of a large walkie talkie. The 3rd Generation of cell phones the flip phone and internet and text messaging was introduced.
Effects on Society • Cell phones gave a large percentage of the world's population an inexpensive, easy-to-use means of communicating with almost anyone else on the planet. It has made a fast and easy compact on the world...and a huge number of other areas. Some say that communications is the most important and powerful aspect of society.
References • http://wiki.answers.com/Q/How_do_cell_phones_impact_the_world • http://www.cell-phone-accessories.com/timeline-cell-phones.html • http://www.thepeoplehistory.com/mobilephones.html