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Martin Cooper, inventor of the HP Systems

In 1910 was the forerunner handphone (HP) which was discovered by Lars Magnus Ericsson is now known by the company Sony Ericsson. In 1921, the first time the Detroit Police Department, Michigan using the mobile phone plugged in all the police car using a frequency of 2 MHz.

Mobile phones were first introduced to the public on 3 April 1973 in New York. At that time, HP made Motorola is still a prototype and tested by Martin Copper in the New York area. The idea of the type proposed by Cooper is a communication tool that is small and easy to carry travel flexibly. This mobile phone is known as the first generation (1-G). At that time, Cooper is considered strange by people who saw him talking on the phone all the way. Someone even stopped moving just looking at it.

Telephone calls using the mobile phone was first telephoned Dr Joel S Engel, a competitor who works as head of research at Bell Labs Phone Company and Cooper told Engel that already the first phone that does not require wires, and Cooper was the one who made it. Then Cooper invited journalists to a press conference and demonstration in front of journalists to prove that the technology of communication at the time actually developing and wireless communication is not a hoax.

Motorola began marketing its first HP in 1983 called the Motorola Dyna-Tac and weighs 0.4 pounds. Since Motorola released the first HP, occurred a remarkable development in mobile phone industry, namely the emergence of mobile phones with smaller sizes with a variety of additional advanced features, such as music player, camera, video call and Wifi. Furthermore, now comes powered Smartphone that has touch screen technology (touchscreen).
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Ditulis oleh: Ijo lumut'z - Sabtu, 09 Februari 2013

1 Komentar untuk "Martin Cooper, inventor of the HP Systems"

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