MI 101 Lecture Notes - Lecture 11: Bell System, Optical Fiber, Mobile Phone
Document Summary
The basic physical and organizational structures & facilities (e. g. , buildings, roads, & power supplies) needed for the operation of a society or enterprise. Companies in the print, film & electronic media industries & the printing presses, studios, theaters, transmitters & cable / satellite systems needed to distribute content. Companies in the telephone & internet industry & the networks they use to provide services. Bell (& gray) invent the telephone 1876. Western electric & long distance vertical integration monopoly power. At&t agreed to connect independent companies to ld. Communications act of 1934 at&t as (cid:862)(cid:272)o(cid:373)(cid:373)o(cid:374) (cid:272)arrier(cid:863) Based on mechanical looms controlled by punch cards. Local area networks (lans) connect computers on a campus. Able to carry thousands of phone calls simultaneously - deployed on ld routes between large cities. Mci could use microwave to undercut at&t prices (on select routes) Fcc had to esta(cid:271)lish rules for (cid:862)spe(cid:272)ialized (cid:272)o(cid:373)(cid:373)o(cid:374) (cid:272)arriers(cid:863)
