Martin cooper mobiltelefon wikipedia

2019-09-16 09:51

A mobile phone, cell phone or hand phone, sometimes shortened to simply mobile, cell or just phone, 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.Vor dreiig Jahren erregte Martin Cooper noch Aufsehen, wenn er unterwegs sein ein kiloschweres Mobiltelefon zur Hand nahm. Heute gehren Handys zum Alltag. martin cooper mobiltelefon wikipedia

Dec 05, 2009  DR. MARTIN COOPER BIO: Dr. Martin Cooper was born on Dec. 26, 1928, in chicago Illinois; without this day perhaps we would not one of the greatest forms of technology known to man which is also widely known as the cellphone. But before Dr. Martin Cooper was even close to inventing anything he studying at

Martin Cooper (born December 26, 1928) is an American engineer. He is a pioneer in the wireless communications industry, especially in radio spectrum management, with eleven patents in the field. Martin Marty Cooper (born December 26, 1928) is an American engineer. He is a pioneer and visionary in the wireless communications industry. With eleven patents in the field, he is recognized as an innovator in radio spectrum management.martin cooper mobiltelefon wikipedia Negyven ve, 1973. prilis 3n Martin Cooper, a Motorola cg mrnke a New Yorki 56. utca s a 6. sugrt sarkn llva a kezben tartott mobiltelefonrl felhvta Joel S. Engelt, a konkurens AT& T Bell Labs trsasg kutatrszlegnek vezetjt e hvsval kezdett vette a

Martin cooper mobiltelefon wikipedia free

Martin Cooper (fdt 26. december 1928) er manden, der opfandt den frste mobiltelefon i 1973. Han arbejdede for Motorola. . Eksterne henvisninger. Denne biografi om en amerikaner er kun pbegyndt. Du kan hjlpe Wikipedia ved at martin cooper mobiltelefon wikipedia Martin Cooper, byname Marty Cooper, (born December 26, 1928, Chicago, Illinois, U. S. ), American engineer who led the team that in built the first mobile cell phone and made the first cellphone call. He is widely regarded as the father of the cellular phone. Dr. Martin Cooper, a former general manager for the systems division at Motorola, is considered the inventor of the first modern portable handset. In fact, Cooper made the first call on a portable cell phone in April 1973 to his rival, Joel Engel, who served as Bell Labs head of research. Martin Cooper was born on December 26, 1928 in Chicago, Ill. , but he moved with his family back to Winnipeg, Canada where his Russian immigrant parents, Arthur and Mary, tried out their entrepreneurial skills, but they moved back around 1935 and started a doortodoor sales business in Chicago. Jun 24, 2015  Motherboard spends a day with Martin Cooper, the father of the first ever portable, handheld cell phone. If I were the brains behind a revolutionary invention that

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