1. In 1910 Rosing and Zworykin demonstrated a television system based on the mechanical scanner and Brauns cathode-ray tube.
2. In 1923 Zworykin patented the picture tube called the Kinescope.
3. Zworykins television receiver containing his kinescope proved the limitations of the mechanical television system.
IV. .
1) What were Zworykins efforts aimed at when he was working for Westing house Electric corporation?
a. At doing research in television.
b. He was aimed at doing research in radio.
2) What was he awarded Edison Medal for?
a. He was awarded for his contribution to the design of electronic components and systems.
b. He was awarded for his development of the telephone.
V. . .
1) By 1907 Rosing had developed a television system which employed a mechanical disk and a very early cathode-ray tube.
a. 1907 , - .
b. 1907 , - .
2) Turning down an offer of Warner Brothers, Zvorykin worked nights, fashioning his own crude television system.
a. , , .
b. , , .
3) In 1929 Vladimir Zworykin invented the all electric camera tube.
a. 1929 - .
b. 1929 . - .
VI. 3 5 V. Zworykin.
3
I. , . , .
Example: The news is /are bad.
.
1. His clothes are/is dirty but he is actually well off.
2. The people are/is very pleased.
3. My parents persuaded me that economics was/were more useful.
4. The scissors are/is in the drawer.
II. . , . .
Example: He was a bit depressed yesterday but he looks happily / happier today.
, .
happy happier the happiest
1. Our new cell phone fits easy /easily into the average-sized pocket.
2. These days roughly/ rough three-quarters of our students pay fees.
3. Zworykin was a prosperous/ prosperously merchant.
4. Ive been working hard/ hardly in my office all morning.
