HISTORY OF CABLE
Community Antenna Television (CATV)
As a solution to the limited number of TV channels available.
Purpose of CATV: to make possible television reception of over-the-air channels
or to improve the quality of reception.
Scientists who discovered Electromagnetic Waves
James Clerk Maxwell- theorized that electric and magnetic fields travel through
space, in the form of waves and at the constant speed of light.
Heinrich Hertz was the first to demonstrate the existence of e
What happens when we speak?
Air vibrations produced by the vocal chord vibrates the ear drum.
Brain recognizes these vibrations as sound.
How telephone works
Air vibrations (sound energy) created by our vocal chords is converted to
What is Telecommunication?
Tele-phone, Tele-graph, Tele- pathy
Communication at a distance
How did our ancestors communicate at a distance?
Depend on transportation systems.
Travel to where the other person is
Impact of Media
On our opinions, our behavior, our values, our culture.
The interest in media effects
People have worried about the effects of carious media:
Drugstore detective novels
Regulation of Media
Founded on two theories
Scarcity implies the need to regulate consumption.
Persuasive Presence Theory
The availability of programs distributed via airwaves in our homes.
*Who launched the first satellite and what was the name and when
Russians launched Sputnik Oct. 4, 1957
*What was the USs first satellite and when
Explorer 1 on Jan. 1, 1958
*Know what Syncom II was
A communication satellite developed by a group of busine
*What did the Communications Act of 1992 do
Allowed cable systems to drop redundant carriage of signals where stations within the
service are duplicated programming
*Know when basic cable channels capture a larger prime-time audience than did
*Know what show is considered to be one of the most distinctive and significant
TV programs in the history of TV
*Know what the Fairness Doctrine is all about
FFC attempt to ensure that all coverage of controversial issues by a broadcast statio
*Show such as Charlies Angels and Threes Company were examples of what TV
*Shows such as Love Boat and Fantasy Island were examples of what TV genre?
*Know in which
decade the highly successful variety show had its l
The Free Encyclopedia
From 1ii"ii'it=:ipedia, the free encyclopedia
Telecommunication is communication at a distance by technological means, particularly through
electrical signals or electromagnetic waveslllmi Due to the many
Principals of Television
Joseph May's experiments with selenium.
Photoelectric cells convert light into electricity.
And the strength of the electro current is proportional to the peer of the light
How television camera captures the image
Two way radios
Difficult to find unique frequencies for each users
Mobile telephone since 1950s but limited scale
24 channels for a mobile system
A cell is a small area of 10 squares miles with a low power transmitter.
The key element in effective communication is:
Shared meaning of code
How did the invention of electricity transform telecommunication?
Communication between two distant places became almost instantaneous
What is the meaning of the term telegraph?
History of Telegraph
The word telegraph means tele+graph distance writer. The term was in use even before
the development of the electronic telegraph. The semaphore signaling system developed in
France towards the end of the 18th century was called optica
Telecommunication before Electricity - 1
Telecommunication before Electricity
Telecommunication means communication at a distance. For ages, humans have communicated with
others at a distance through a variety of means. Before the invention of writing aro
Megan Roe (username: myg3615)
Written: Sep 22, 2014 8:43 PM - Sep 22, 2014 9:38 PM
The radio waves are:
1) The flow of electricity
2) The air vibration
3) The form of electromagnetic radiation
4) The series of man-controlled electric
HISTORY OF THE INTERNET
ARPANet by the Advanced Research Projects Agency (ARPA) of the Department
Decentralized network of universities and government research agencies
In 1971, 23 computers were connected to it
Or non-commercial broadcasting
Programming trends to be cultural, educational, and experimental
History of Educational Broadcasting (ETV)
To broadcast instructional programs
FCC reserved 20 FM channeks and 242 TV channels for educatio
Radio and Television- how do they make money?
William Shockley, Walter Houser Brattain, and John Bardeen invent
As a result, radio receiver sets:
Required far less power to operate
Were more shock resistant
No discernible physical vehicle
Electromagnetic waves travel through the air, or vacuum without any discernible
Travel at high velocity- 186,000 miles/ second
Properties of waves
Properties of Waves
*Know which quiz show saw a rebirth after WWII
stop the music
*Know who produced The $64,000 Question
*Know who was the MAIN sponsor of the quiz show 21which pressured producers
to rig the show
*Know who the contestants were on
The Delay of Television
1/31/13 7:13 PM
*Exam #2 on March 20th
The first NTSC committee had 168 members and devoted over
4,000 man hours to find a solution.
1941, the NTSC settled on a standard and the TV industry took off
One major problem with the new N
Media and Telecommunications
Super Bowl Commercials
There were many great super bowl commercials and many very bad
commercials. One I believe was a great commercial was the Chevy Sonic
1/31/13 7:12 PM
-Radio to Television
Show time slots
*1965: 35 sitcoms on primetime
*Sitcoms are the only genre in the Top 10-rated programs every year
Radio Communication II
1/31/13 7:17 PM
Quiz 1 questions
When was the 1st wireless Morse code signal from England to
Lee Deforest = EGO
An inflated feeling of pride in your superiority to others.
Does stating that you ARE the father of radio qua
1/31/13 7:16 PM
Six radio pioneers
o Samuel Morse successfully invented the telegraph system
that was practical and had commercial success.
o Telegraph: originally relied on cable to send Morse code over
Media and Telecommunications
Net Neutrality Research Paper
To start with, net neutrality means that Internet service providers cannot
change speeds of websites from one to another and re
1/31/13 7:15 PM
Importance of music
The 1930s saw popular stations affiliated with CBS or NBC
40% of NBC programing in the 1930s was music
NBC had in-house orchestra, aired live music daily
Smaller stations played more records
The comedy v