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the first electomechanial television
In 1884 Paul Gottlieb Nipkow, a 23-year-old university student in Germany, patented the first electromechanical television system which employed a scanning disk, a spinning disk with a series of holes spiraling toward the center, for rasterization. -
the first actual television
In 1926 the British physicist John Logie Biard invented the first television -
a television system utilizing fully electronic scanning and display elements
Hungarian engineer Kálmán Tihanyi designed a television system utilizing fully electronic scanning and display elements, and employing the principle of "charge storage" within the scanning (or "camera") tube. -
Fully electronic television receiver
Kenjiro Takayanagi demonstrated a television system with a 40-line resolution that employed a CRT display at Hamamatsu Industrial High School in Japan.[14] This was the first working example of a fully electronic television receiver -
Mirror drum based television
Russian inventor Léon Theremin developed a mirror-drum-based television system which used interlacing to achieve an image resolution of 100 lines.[16] -
the word first working tv system
Philo Farnsworth made the world's first working television system with electronic scanning of both the pickup and display devices -
the first colourtelevision
inventor Guillermo González Camarena played an important role in early television. His experiments with televisiom began in 1931 and led to a patent for the "trichromatic field sequential system" color television in 1940
