1-What is the difference between the HDTV and
the existing TV?
-SB. Page 109
2- What do the Japanese call their modern TV?
-The Japanese called their system Hi-vision.
3-What are the new names for the modern TV?
-They are HDTV, Hi-vision, and ATV.
4-What is the aim of this modern technology race?
- To produce new generations of TV sets .
Television pictures :
1-How is a TV picture built ?
-By moving a spot of light across and down screen
In a raster pattern.
2-What does line scan signal do?
-It controls the movement of the spot across the screen is
3-What dose the field scan signal do ?
-It controls the movement of the spot down the screen is
4- What dose fly back mean ?
-The rapid movement back to the a starting
5-How is movement of the spot down screen
-The movement of the spot down the screen is
controlled by the field scan signal.
Vocabulary and Terms :
15-field sync pulse