television project

Created By: Alicia Wilson : 

Created By: Alicia Wilson For: EDUC 628-302 Spring 2010 Morehead State University

The Invention of Television : 

The Invention of Television “Whether with tom-toms, smoke signals, or semaphore, human beings have always tried to communicate with neighbors beyond the horizon.” Laurie Hillstrom

Imagine a World…. : 

Imagine a World…. It is hard to even comprehend a world without the influence of the television. Where would we be as a culture? How would we be different as people? What would televisions absence mean to our world?

Once Upon a Time… : 

Once Upon a Time… Believe it or not, there was once a time when no television existed. What was life like without the TV?

Entertainment before Television : 

Entertainment before Television Before television most people used the family radio as their way of receiving communication from the world around them. A family would gather around the radio and listen to different programs and news stories.

Televisions Beginning : 

Televisions Beginning Inventors of the television from the 1890’s until the 1950’s thought of TV as an additional means for delivering information and entertainment. Television was seen to simply be an extension of the telephone, radio, and theatre.

How wrong they were…. : 

How wrong they were…. If only the early inventors of the television would have known just how much their invention would change the world… The book Television in American Society stated it best saying, “What the inventors never quite realized was that television would become normative, that so much of what we see on the screen would contrive to suggest how things ought or ought not to be.” How true this is! Television has played a major role in defining who we are and what we believe in.

Who Invented the Television? : 

Who Invented the Television? This may seem like a simple enough question, but it is far from so. The invention of the television has many contributors from all over the world. In the next few slides we will discuss some of the major contributors to the television.

We want instant communication! : 

We want instant communication! People in the 17th and 18th Centuries grew tired of the slow means in which they had to communicate and wanted a way to instantly communicate with others. During this time, several scientists were finding that “electrical currents could flow through certain materials as well as interact with magnetic forces.”

Samuel Morse : 

Samuel Morse One of those scientist tinkering with the idea of instant communication was Samuel Morse. In 1843, he developed the telegraph machine. Through Morse code messages could be sent. At the time, this was the fastest means of communication.

The Next Step to Long Distance Communication : 

The Next Step to Long Distance Communication Alexander Graham Bell was the next big contributor to long distance communication. In 1876, he invented the telephone, which allowed people to send voice messages across the miles.

New Dreams : 

New Dreams Almost as soon as voices were sent through the invention of the telephone, it wasn’t long before people were dreaming up the possibility of actually seeing and hearing someone or thing across the miles. At the time this was just a dream and the idea was referred to as “distance vision.”

The dream becomes a reality : 

The dream becomes a reality In 1884, German scientist Paul G. Nipkow applied for a patent on his electric telescope. This electric telescope “scanned the light reflected by a moving image, turned it into an electrical signal, and transmitted it across a wire.”

Nipkow’s Electric Telescope : 

Nipkow’s Electric Telescope “This system used a set of spinning metal disks with holes in a spiral pattern to scan the image. Inside each hole were photosensitive cells that, as the disks spun, repeatedly measured the amount of light hitting the hole.” This system layed the foundation for mechanical TV sets.

The Electric Television Set : 

The Electric Television Set Electric televisions were based on light rays emitted when an electrical current was forced through a vacuum tube, known as cathode rays. German physicist, Karl Ferdinand Braun invented the first cathode ray tube in 1897. This technology is the basis for our modern televisions.

A.A. Campbell and Boris Rosing : 

A.A. Campbell and Boris Rosing English inventor, A.A. Campbell and Russian scientist Boris Rosing furthered the development of the cathode ray tube a decade after Braun’s first discovery.

Fathers of American Television : 

Fathers of American Television As we can see there were notable contributors from around the world to the invention of the television. But only two men are arguably called the “fathers of American TV”

Philo T. Farnsworth : 

Philo T. Farnsworth Farnsworth came up with his first ideas about electronic television in 1921, at the age of 14. He claimed to have a vision of this technology come to him while plowing hay on his family’s Idaho farm.

The “Image Dissector” : 

The “Image Dissector” Farnsworth continued experimenting with his ideas throughout high school. After graduating he received support from investors and created the first complete electronic television system known as the “Image Dissector.” He applied for a patent in 1927.

Vladimir Zworykin : 

Vladimir Zworykin Zworykin was an immigrant to the US from Russia. In Russia, Zworykin worked as an assistant to Boris Rosing. After coming to the US, Zworykin took a research job at Westinghouse an electrical equipment manufacturer.

Slide 22: 

In 1923, Zworykin received a patent for a television camera tube referred to as the Iconoscope or electric eye. He later went on to develop the kinescope which displayed images that were captured by his earlier electric eye. In 1925, Zworykin combined the two inventions and achieved the producing of images through electronic transmission.

The Iconoscope : 

The Iconoscope

The Kinescope : 

The Kinescope

Strides in Television Technology : 

Strides in Television Technology Although Zworykin was making strides in television technology, Westinghouse didn’t see a future in television and made him start to work on more important projects. Frustrated by this, Zworykin left the company and took his ideas to RCA’s leader David Sarnoff. Sarnoff understood the significance of the discovery of television and agreed to work with Zworykin.

The First Public Demonstration of Television : 

The First Public Demonstration of Television People in the 1920’s knew very little about the development of television. Most inventors kept their research private. But on April 7, 1927 the first public demonstration of TV took place.

Herbert Hoover’s Address : 

Herbert Hoover’s Address Herbert Hoover who was then Secretary of Commerce said live, “ Today we have, in a sense, the transmission of sight for the first time in the world’s history. Human genius has now destroyed the impediment of distance in a new respect, and in a manner until now unknown.”

A Day of Excitement : 

A Day of Excitement The day after this historical event the New York Times covered it in the paper, reporting that, “It was as if a photograph had suddenly come to life and begun to talk, smile, nod its head and look this way and that.”

Broadcasting : 

Broadcasting A year after the unforgettable Herbert Hoover event, Charles F. Jenkins received the first license for a TV station. Using mechanical TV systems the broadcasts were weak and the images were shadowlike. If you owned a TV set it was very small, only about 4 inches wide and cost a months salary.

A Hard Sale : 

A Hard Sale Because televisions were so expensive and consisted of poor quality broadcasts they weren’t exactly an instant hit. The radio was still very popular at the time and the main source of information and entertainment for Americans.

Television Takes Over : 

Television Takes Over Television saw many technological advancements in the 1930’s. Radio networks such as NBC and CBS soon saw the potential in television and added their own networks. Stations were still experimenting with broadcasts, so viewers would receive postcards notifying them of times and dates of upcoming programs.

How has television changed society? : 

How has television changed society? Information can be represented or misrepresented much easier with TV. TV has opened up new ways of thinking and acting. People aren’t as active as they once were. Television influences our outlook on life, how we should act and how we should look.

What was education like before the television? : 

What was education like before the television? Before the television, children would often be taught in one room schools. The curriculum was focused heavily on learning to read. All ages were in the same classroom.

How has television changed education? : 

How has television changed education? Children now have greater access to the world around them. They can see countries, cultures, animals, and people that they might never be exposed to without television. Television helps students who are visual learners grasp the concept better. Television brings live historical events into the classroom.

Problems created by television : 

Problems created by television Children and sometimes adults often base their views on what is and isn’t acceptable based on what they see on TV. Body image problems Exposure to excessive violence Exposure to sexual situations Exposure to drug activity Limited exercise Excess weight gain

Television and Quality of Life : 

Television and Quality of Life How has TV impacted our quality of life? Less time spent with family. More time spent in front of TV. Less interaction with real people. Less exercise, more weight gain More exposure to what events are happening in the world. Increased exposure to other people and cultures.

What will the future be? : 

What will the future be? As we all can plainly see life as we know it has certainly been turned around because of the invention of the television. As time goes on, televisions are becoming more and more high tech. What will the future hold for the television? What will the changes mean to us?

Just for Fun…Below are some sayings on the left classic poetry, on the right television themes.Which are you more literate in? : 

Just for Fun…Below are some sayings on the left classic poetry, on the right television themes.Which are you more literate in? “Theirs not to reason why/theirs but to do or die…..”____________ “Gather ye rosebuds while ye may….”_____ “I think I shall never see/a poem lovely as a tree..” _________________ “Come listen to a story/ bout’ a man named Jed…_______” “Here’s the story/of a lovely lady…______” The house is a museum/ when people come to see’em…________”

The Answers : 

The Answers “Charge of the Light Brigade” by: Lord Tennyson Alfred “To the Virgins, to Make Much of Time” by: Robert Herrick “Trees” by” Joyce Kilmer The Beverly Hillbillies The Brady Bunch The Addams Family