COMM 1011 Study Guide - Final Guide: Vladimir K. Zworykin, Coaxial Cable, Photoconductivity

• School: Fordham University
• Department: Communication and Media Studies
• Course: COMM 1011
• Professor: Margot Hardenbergh

Document Summary

Traditionally most common way to receive television programming. Cable television: currently the most common way to receive. Satellite tv: actually digital transferred to analog by a set-top converter box. Time shift: watch a program anytime after it was originally broadcast. Ex: on demand, dvds, etc: moved balance of power to audience in choosing media content. Functions of television: entertainment, surveillance, correlation, cultural transmission. Louis may (1873): discovered the basics of photoconductivity, a critical foundation for electronic transmission of visual and audio information. Julius plucker: cathode-ray tube (built by william crookes), improved by karl braun. Baird television: first mechanically scanned tv to earn money (john loige baird) Vladimir zworykin: iconoscope (still basis of many modern tvs) Davis sarnoff: 1939 441-line tv technology & start of nbc. Wwii (1939): wartime ban on tv (lifted in october 1945) Initial tv networks: nbc, cbs, abc, dumont (failed in 1955) replaced by fox (1986)