Image dissector — The image dissector was an early all electronic television camera tube invented by Philo Farnsworth.Most experimental television systems in the 1920s and 1930s made use of an electromechanical system, usually a Nipkow disk combined with a single… … Wikipedia
image dissector — a form of television camera tube in which an electron image produced by a photoemitting surface is focused in the plane of an aperture and deflected past the aperture to achieve scanning. Also called dissector tube. [1930 35] * * * … Universalium
dissector tube — Electronics. See image dissector. * * * … Universalium
Dissector — trademark used for an image dissector … Useful english dictionary
dissector tube — Electronics. See image dissector … Useful english dictionary
Video camera tube — In older video cameras, before the mid to late 1980s, a video camera tube or pickup tube was used instead of a charge coupled device (CCD) for converting an optical image into an electrical signal. Several types were in use from the 1930s to the… … Wikipedia
Philo Farnsworth — Infobox Person name = Philo Taylor Farnsworth image size = caption = 1983 United States postage stamp honoring Farnsworth birth name = birth date = birth date|1906|8|19 birth place = Beaver, Utah, USA death date = death date and… … Wikipedia
Iconoscope — The Iconoscope was the name given to an early television camera tube in which a beam of high velocity electrons scans a photoemissive mosaic. A research group at RCA headed by Vladimir Zworykin introduced the Iconoscope in 1934 [… … Wikipedia
History of television — The Television technology can be divided along two lines: those developments that depended upon both mechanical and electronic principles, and those dependent only on electronic principles. From the latter descended all modern televisions, but… … Wikipedia
Philo Farnsworth — Philo T. Farnsworth Philo T. Farnsworth Naissance 19 août 1906 Beaver, Utah … Wikipédia en Français
