, 17 2010 . 15:09
+
. , , ,
XX .
AT&T, Bell Laboratories, . 1947 . , , . - , - 30-40- ( !). 50- . 70- 12-14 , - .
Motorola . , 1954 . , (Martin Cooper). : 1967 . . 20 Motorola . , .
, (FCC), . , Bell Laboratories ( ) . : Motorola .
, 3 1973 . 50- Alliance Capital Building - . 30 .
Dyna-Tac. 1.15 22.512.53.75 . 12 , 10 . , . Dyna-Tac 35 , 10 . 3 . (Joel Engel), Bell Laboratories. , - , Motorola. -, , . Bell Laboratories . (Richard Frenkiel), Bell Laboratories, Dyna-Tac: . 14- . 1 .
, 1974 . , 80- . . , 1983 . .
: