All the inventions !
20 March 2009
Mobile telephone system controlled by computers
to use a region’s radio frequencies, or channels, repeatedly,
thereby accommodating large numbers of users.
The people behind the invention:
William Oliver Baker (1915- ), the president of Bell
Richard H. Fefrenkiel, the head of the mobile systems
engineering department at Bell
Read more »
Share to Twitter
Share to Facebook
Share to Pinterest