The interesting history of mobile phone, you can create a picture of how the portable wonder became what it is today.
In 1843 named an experienced analytical chemist Michael Farady began exhaustive research into a position that can cause electricity to be found. He talked about his results and progress in the 19 st century science and technology have an overwhelming influence on the evolution of current mobile phone.
In sprin
g 1865 a dentist named Dr. Mahlon Loomis was believed that the first person who was able to communicate wirelessly through the atmosphere. Between 1866 and 1873 transmitted telegraphic messages 18 miles between the tops of Cohocton and Beor Deer Mountain, Virginia.
Dr. Mahlon Loomis developed a way to send and receive using the earth's atmosphere as a conductor. He also launched pilots concluded with copper screens that were linked to the ground with copper wires. He received a $ 50,000 grant for research on Congress to continue his studies.
So in 1973, a former general manager of the systems division of Motorola, was Dr. Martin Cooper is believed to be the inventor of the first portable handset. Dr. Cooper was also the first person to make a call using a mobile phone to do.
In New York he gave a base with the first working prototype of a mobile phone, Motorola Dyna-Tac. He and Motorola took this technology to New York to the public.
Later, in 1977, went public telephone and public testing began. Chicago was home to the first trial of 2,000 people. After Chicago, later trials in Washington, DC and Baltimore, and then spread to Japan in 1979.
Usual techniques changed in 1988, were CTIA - Mobile Technology Industry Association - founded realistic goal for mobile services offering. Research on new applications of development was recorded.
In 1991, the Telecommunications Industry Association, a new standard with the creation of the TDMA Interim Standard 54: e
Mobile phones have a very long journey. Although there is a strong demand for mobile phones, it took 37 years for them commercially available in the U.S..
Wireless service was actually invented almost 50 years ago, so it's hard to believe that mobile phones are popular only in recent decades. There are currently over 60 million people have mobile phones.
