image dissector

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• 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 — noun : a camera tube resembling the iconoscope and having the electronic image focused electromagnetically through an aperture and voltages that are subsequently amplified and transmitted as television picture signals being produced by electron… …   Useful english dictionary

• 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