Television
The term television refers to any system for transmitting visual images at a distance. Research on such systems dates back to the 1880s, when German scientist Paul Nipkow (1860–1940) invented a device known as the Nipkow disk. This device was made of a metal or cardboard disk perforated with a series of square holes in a spiral pattern. As the disk was spun, a light was shined through the holes and onto a target. By looking through the holes, one could see the target revealed as a series of horizontal lines.
Nipkow's invention had no practical applications, but it established a model on which later television systems were based. The modern...
[The entire page is 1768 words long]
Join eNotes
Over 3,500 study guides, question and answer forums, literature criticism, reference content, and much more!
