the first handheld mobile phone was invented on april 3, 1973.
the first handheld mobile phone was invented on april 3, 1973.
when was the first handheld mobile phone invented?
april 3 , 1973
prior to 1973, mobile telephony was limited to phones installed in cars and other vehicles. motorola was the first company to produce a handheld mobile phone. on april 3, 1973, martin cooper, a motorola researcher and executive, made the first mobile telephone call from handheld subscriber equipment, placing a call to dr. joel s. engel of bell labs, his rival. the prototype handheld phone used by dr. cooper weighed and measured . the prototype offered a talk time of just 30 minutes and took 10 hours to re-charge.
history of mobile phones
the first handheld mobile phone was demonstrated by john f. mitchell and martin cooper of motorola in 1973, using a handset weighing c. 2 kilograms (4.4 lbs). in 1979, nippon telegraph and telephone (ntt) launched the world's first cellular network in japan. in 1983, the dynatac 8000x was the first commercially available handheld mobile phone. from 1983 to 2014, worldwide mobile phone subscriptions grew to over seven billion—enough to provide one for every person on earth. in first quarter of 2016, the top smartphone developers worldwide were samsung, apple, and huawei, and smartphone sales represented 78 percent of total mobile phone sales. for feature phones (or "dumbphones") , the largest were samsung, nokia, and alcatel.
mobile phone