This is using the same Raster scan technique that is used in an obsolete cathode ray tube television set and other electronic applications.
12.
These later moved to traditional video terminals using raster scan displays, although these generally offered lower resolution, perhaps half that of the 4010.
13.
A number of these also understood the color codes from the Tektronix 4105 raster scan terminal, which added color to the original 4010 command set.
14.
Historically, video frames were represented as analog waveforms in which varying voltages represented the intensity of light in an analog raster scan across the screen.
15.
As they did not include raster scan hardware or any form of memory, refreshing this area rapidly enough to reduce flicker was up to the host computer.
16.
It examined the data while the display hardware was inactive between raster scan lines, and then triggered the display hardware to take over at the appropriate time.
17.
Because of FMO, decoding macroblocks in raster scan order may require to switch between different " slices " and / or " slice " groups.
18.
The Super Scope takes advantage of this in a fairly simple manner : it simply outputs a'0'signal when it sees the television raster scan and a'1'signal when it does not.
19.
However, one must bear in mind that in film projectors, the full image is projected at once ( not in a raster scan ), uninterlaced, based on a frame rate of 24 frames per second.
20.
In raster scan displays, like in TV sets, the image is a grid of pixel spots and the CRT beam repeatedly sweeps the entire screen in a fixed horizontal pattern, regardless of which dots are turned on.