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8. If you have a good receiver, you don't need a transmitter to
hear a radio program.
IV. What do you think.
1. What is the difference between radio broadcasts and
telephone messages?
2. In order for radio programs to be broadcast, what
equipment are needed?
3. How are several hundred radio stations able to broadcast
at the same time?
4. Who first discovered electromagnetic waves?
5. What is FM broadcasting?
6. What country was Marconi from? And what was he
famous for?
V. Discuss the following with your partner (or
groupmates)
1. Guglielmo Marcony is a very important person in the
history of radio broadcasting. Describe his work in your
own words.
2. Do you have a habit of listening to the radio? Speak about
your favorite.
3. Name any other scientists who worked in the field of radio
broadcasting?
Text 5.
Television is Developed.
I.
First Thoughts:
1.What does the word “television” mean ?
2.What language does this word originate from ?
3.What country succeeded in applying the first television
camera?
II. Study the following words. Make sure you know
them:
transmit, image, broadcasting, convert, receiver, tube,
resolusion, regular.
III. Read the text and do the tasks following it.
John Logie Baird (1888-1946) applied for a patent for a
mechanical television in 1923. He ran successful experiments in
transmitting images in 1926, and in 1930 he worked with the
British Broadcasting Corporation (BBC) to begin mechanical
television broadcasting. He also tried, rather unsuccessfully, to
mass-market his television transmitter.
In 1923 Vladimir Zworykin (1889-1982) also applied for a
patent. He was for a television camera that converted optical
images into electrical pulses. On November 18, 1929, at a
convention of radio engineers, Zworykin demonstrated a
television receiver containing his “kinescope”, a cathoderay
tube. That same year Zworykin joined the Radio Corporation of
America (RCA) in Camden, New Jersey. As the director of their
Electronic Research Laboratory, he was able to concentrate on
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