Invention%2BMobile%2BPhone

The history of mobile phones covers mobile communication devices that connect wirelessly to the public switched telephone network. While the transmission of. A mobile phone, known as a cell phone in North America, is a portable telephone that can make and receive calls over a radio frequency link while the user is moving within a telephone service area. The radio frequency link establishes a connection to the switching systems of a mobile phone operator, which provides . Do you remember a time when cell phones were rare? Today, it's hard to imagine a world without them. Even if you don't own one yourself, you probably see dozens of people talking on a cell phone every day. The rate at which we adopted the devices is astounding. But who invented them? To get the answer to that. Invention. The mobile phone may be seen as a new technology in our day, but the idea was actually first conceived in the year 1908. This statement is only true because the mobile phone is actually a high-tech radio. In 1908 a man named Nathan B. Stubblefield who lived in Murray, Kentucky applied for the U.S. Patent . In 1973, Martin Cooper and his team at Motorola built, demonstrated first cell phone; Cooper says that first phone cost $3,900, plus 50 cents a minute to talk; Cooper: "We knew that someday everybody would have a [cell] phone"; Today he has several cell phones -- but not an iPhone, which he gave away. A LOT can happen in 40 years. But when it comes to technology, 40-years is like going back to the days of Moses or the Roman Empire. Case in point: the mobile phone –– and, more recently, the rise of mobile internet communications, social networks and super-fast internet. But what were the phones that made it happen; . Mobile Phones have proved themselves to be one of the greatest gifts to the mankind. They have become an indispensible part of our lives. But going back in time, owning a mobile phone was confined to members of affluent class. All thanks to cost cutting techniques and innovations over a period of time; mobile phones. Ap, marked the 30th anniversary of the first public telephone call placed on a portable cellular phone. Martin Cooper, chairman, CEO, and co- founder of ArrayComm Inc, placed that call on Ap, while general manager of Motorola's Communications Systems Division. It was the. Dr. Martin Cooper is the person credited with both inventing the modern cell phone as well as making the first cell phone call in New York City, New York in April 1973. A related invention is the cave radio phone invented by Nathan Stubblefield who was awarded a patent for the idea in the early 20th.

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