Beginning Of The Cell Phone
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Cell Phones
Cell phones have had a longer history then the radio. Back in 1920, the cell phones started and the radios weren't used until 1921. Of course, some of the features of the cell phone were utilized as far back as the 1940s. Those radios were used by the police.
In 1947 the idea of the cellular phone was developed as a mobile car phone. The concept of the cellular phone was produced by Bell Laboratories (also known as AT&T Bell) they introduced the cells for mobile phone stations. A device that converts light energy into electrical energy was developed by Russell Ohl.
When trying to eavesdrop on the conversation there was a buzzing hornet sound and because of this the prototype was called Green Hornet. A long history of Motorola making automotive radio as two-way radios for taxicabs and police is amazing. In 1973 the actual cell phone was invented by Martin Cooper and other assisting inventors of Motorola. The "radio telephone system" is what it was called
While people were walking on a New York City street in 1973, Cooper made the first portable call on a cell phone. A prototype called Motorola DynaTac was used. Joel Engel was the person he made the call to. From this, the technology and communications market shifted from the place and to the person.
In 1978, Bell Labs introduced the first commercial cellular network in Chicago using AMPS (Advanced Mobile Phone System). This was an analog mobile phone system. It became the primary analog mobile phone system in North America and is still widely available today, although it's used much less since the introduction of various digital standards.
The public was introduces to the large and expensive cellphone in 1984 when it made its presence. Towers war built by the cooperation of AT&T and the FCC. Something know as a "cell" or an area was created by the towers and covered a few miles. What was great was that the towers were able to transfer calls from each other.
On a side note, today Cell phone GPS is becoming very popular worldwide.
Ray Sabo - http://www.Cellphones-Mp3.com
Article Source: Articlelogy.com
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