MRTS 1310 Lecture Notes - Lecture 3: John Logie Baird, Iconoscope, Pbs
Document Summary
1939: tv debuts at new york world"s fair. Tv development halted; manufacturing diverted to war effort. After the war, few stations, technological challenges, expensive, little public support. Television stations were networked; live shows had to be reperformed for western time zones until videotape was developed. Post-war tv growth led to license freeze (fcc) After freeze: fcc adds uhf (ultra high frequency), 14 83. Sets must receive both uhf and vhf signals. Fcc selected cbs system initially, then rca system. Remained in place in u. s. until 2009 digital broadcasting conversion. Communist sympathizers barred from broadcasting; placed on blacklist. Edward r. murrow"s see it now exposed mccarthy"s inconsistencies. Place antenna on high point; wires bring signal to viewing locations. Cable system picks up signals from antennae at its head end and sends them through wires to homes in the community. Specialized in sports, films, and content not offered by networks. 1960s: cpb & pbs (corporation for public broadcasting; public broadcasting.
