CELL PHONE HISTORY
by Raymond Sabo

Cell Phones

Did you know that the cell phones have a longer history then the radio?  Yes, the radios were first introduced in 1921 but the technology for the cell phones is traced back to 1920.  Police used some of the cell phone features on their radios back in the 1940s.

The mobile car phone was developed as the idea of the cellular phone in 1947.  Bell Laboratories developed the idea or concept of the cellular phone. Cells for mobile phone stations were developed to. Russell Ohl developed a device that electrical energy was converted from light energy.  A buzzing hornet sound came when trying to eavesdrop on a conversation and therefore teh name Green Hornet was given to the prototype. Taxicabs and  police cars has a long history or two-way radios form Motorola.  The year of 1973 was the invention of the actual cell phone.  Martin Cooper and assisting inventers are given the credit.  "Radio telephone system" is what is was known as.

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.

AMPS (Advanced Mobile System) was used and it introduced the first commercial network in Chicago in 1978.  Analog as a name the mobile phone was known as. Various digital standards have come into play so there is a less desire for the analog mobile phone in North America.

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.

Just another view, the GPS Cell phone is widely being known today.