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History
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Zworykin holding the iconoscope tube, in a 1950 magazine article
Zworykin holding the iconoscope tube, in a 1950 magazine article
A graphic from Kálmán Tihanyi's "Radioskop" patent from 1926 (part of the UNESCO's Memory of the World Programme)
A graphic from Kálmán Tihanyi's "Radioskop" patent from 1926 (part of the UNESCO's Memory of the World Programme)
Two iconoscope tubes. The type 1849 (top) was the common tube used in studio television cameras. The camera's lens focused the image through the tube'
Two iconoscope tubes. The type 1849 (top) was the common tube used in studio television cameras. The camera's lens focused the image through the tube's transparent "window" (right) and onto the dark rectangular "target" surface visible inside. The type 1847 (bottom) was a smaller version.
Iconoscope and mosaic from a TV camera, circa 1955.
Iconoscope and mosaic from a TV camera, circa 1955.
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Vladimir Zworykin, c. 1956
Vladimir Zworykin, c. 1956
Zworykin demonstrates electronic television (1929).
Zworykin demonstrates electronic television (1929).
Drawing from Zworykin's 1923 patent application Television System.
Drawing from Zworykin's 1923 patent application Television System.
Zworykin and some of the historic camera tubes he developed
Zworykin and some of the historic camera tubes he developed