Word: signallers
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...that NBC and the NASL tried to "create" timeouts was to have somebody fall down and act injured on a prearranged signal. One time, however, nine players saw the signal and went down simultaneously. The idea was scrapped...
...spoken of the "indivisible security" of his country and the gulf, will visit the region. Egyptian officers already train pilots and antimissile personnel in Kuwait. Although Cairo is not ready to station troops ( in the gulf, the renewed solidarity between Egypt and the Arab states sends a cautionary signal to Tehran...
...horizon are more radical improvements in TV image quality that will come from attacking the problem at its source: the broadcast signal. American television is transmitted as a succession of images, each containing 525 horizontal lines, that follow one another at 30 frames a second. Japan's public broadcasting system, NHK, has developed a new standard called high- definition television, which widens the screen and more than doubles the number of lines, to 1,125. The result is a picture of extraordinary clarity that compares favorably with 35-mm film...
...problem with HDTV is that its signal cannot be squeezed into the narrow space allocated each channel in the TV broadcast spectrum. For the U.S. to ; switch to the new system, every television station would have to replace its equipment, and the country's 140 million TV sets would have to be scrapped, an unlikely prospect at present...
...make HDTV more widely available. One proposal is for cable TV operators to provide the higher-quality images as an added service for their subscribers. Another is to distribute HDTV programming on high-capacity videodisks, much as videotapes are distributed today. A third approach involves splitting the HDTV signal into two parts and transmitting it over two separate broadcast channels. Old TV sets could utilize enough of the signal to provide a standard-quality picture, while an HDTV receiver could display the higher-resolution image...