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The Evolution Of Cell Phones
We’ve come a long way from the first cell phones. The concept isn’t a new one; in fact in 1947 Douglas H. Ring and W. Rae Young, Bell Labs engineers, proposed hexagonal cells for mobile phones.
The real launch of the first portable phones was in the early 80’s. At that time only the very wealthy or “well to do” individuals had them.
They were very large and heavy. Not something to be carried in your pant pocket or purse, this was something that weighed a few pounds.
As big as they were though, they didn’t have a clear sound and using them was a hassle. At first, all were designed for permanent installation in vehicles otherwise known as a “car phone”.
Some of these bulky units were soon converted for use as “transportable” phones the size of a briefcase. Motorola introduced the first truly portable, handheld phone.
The first digital cellular phone call was made in the United States in 1990. They shrank considerably.
Cell phones used to be just analog phones, with the sole purpose of providing the consumer with the capability of making and receiving voice calls while on the road.
As technology has advanced so have the capabilities of the cell phone. They don’t just send and receive calls now; they are capable of text messaging, emailing, taking pictures and video clips.
The sizes have gotten smaller yet their abilities have improved.
As we continue to advance, so will the abilities of cell phones. In the next few years, cell phone networks will move data at several megabits per second, and will coexist with WiMax, Wi-Fi, and, for TV, DVB-H or MediaFLO.
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Cell Phones News from Yahoo:
Polls: Cell phone users prefer Obama, landline users like Romney
Political pollsters have been under pressure to make sure their samples include Americans who rely solely on cell phones—and the latest NBC News/Marist polls of Florida, Ohio and Virginia exhibit why.As NBC's First Read flags, Romney narrowly pulls ahead in Florida among voters who were polled over landlines—48 percent to 45 percent. But among cell phone respondents only, Obama has a major lead ...
Do Cell Phones Belong in the Classroom?
Mobile devices are ubiquitous in American high schools, and their use is harder to regulate than old-fashioned note passing. But here's why teachers should be paying closer attention.
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The number of commercial fleet operators that have adopted written policies pertaining to employee use of cell phones while driving on-the-job has increased 29% in the past year –
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Emergency alerts coming to cell phones
Federal and local emergency agencies are working with major wireless service providers on a system that will notify cell phone users of dangers in their area.
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