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1 variable magnification image tube
ЭОП с регулируемым увеличением изображения
Ндп. ЭОП с переменным увеличением
Электронно-оптический преобразователь, в котором предусмотрена возможность изменения масштаба изображения на выходе путем изменения электронно-оптического увеличения.
[ ГОСТ 19803-86]Недопустимые, нерекомендуемые
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Англо-русский словарь нормативно-технической терминологии > variable magnification image tube
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2 lens
1) линза5) нефт. линзовидная залежь, линза || отлагаться в виде линзовидной залежи•-
accessory lens
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achromatic lens
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acoustic lens
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acoustic traveling-wave lens
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afocal lens
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anamorphotic lens
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anastigmatic lens
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anastigmat lens
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antenna lens
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antireflection lens
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aplanatic lens
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aplanat lens
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apochromatic lens
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apochromat lens
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aspheric lens
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astigmatic lens
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attachment lens
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auto-zoom lens
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auxiliary lens
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bayonet-mount lens
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biconcave lens
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biconvex lens
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bifocal lens
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blimped lens
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bloomed lens
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box-shaped lens
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camera lens
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catadioptric lens
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cine lens
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cine projection lens
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cinematographic taking lens
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circular Fresnel lens
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close-up lens
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coarse lens
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coated lens
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collecting lens
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collimating lens
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collimator lens
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color-corrected lens
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composite lens
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concave lens
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concave-convex lens
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condenser lens
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converging-meniscus lens
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convertible lens
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convex lens
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convexo-concave lens
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convex-concave lens
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convexo-convex lens
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corrected lens
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correcting lens
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coupling lens
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deanamorphic lens
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delay lens
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demagnification lens
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demag lens
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dielectric lens
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diffusion lens
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diopter lens
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distortion lens
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divergent lens
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divergent-meniscus lens
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diverging lens
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double-concave lens
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double-convex lens
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double-focus lens
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dual lens
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dwarf-signal lens
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echelon lens
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electromagnetic lens
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electronic lens
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electron lens
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electrostatic lens
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enlarging lens
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equiconcave lens
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equiconvex lens
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erector lens
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expander lens
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exposure lens
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eyepiece lens
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eye lens
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fast lens
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fiber lens
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field lens
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fisheye lens
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fixed-focus lens
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floating-component lens
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floating lens
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fly's-eye lens
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Fourier transform lens
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fresh-water lens
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Fresnel lens
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gas lens
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geodesic lens
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gradient-index lens
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gradient-index rod lens
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grating lens
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high-resolution lens
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high-speed lens
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holographic lens
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horn lens
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image stabilizing lens
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image-forming lens
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immersion lens
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interchangeable lens
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laminated lens
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large aperture ratio lens
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large aperture lens
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lattice lens
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lens of material
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lenticular lens
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light-signal lens
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linear Fresnel lens
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liquid lens
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long-focal-length lens
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Luneberg lens
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macro lens
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magnetic lens
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magnifying lens
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meniscus lens
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mirror lens
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motion-picture camera lens
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motion-picture projector lens
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negative lens
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normal-angle lens
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normal lens
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objective lens
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overlay lens
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pancratic lens
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panoramic lens
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path-length lens
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photochromic lens
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plano-concave lens
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plano-convex lens
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positive lens
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process lens
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projection lens
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reconstructing lens
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reduction lens
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reference lens
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relay lens
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replica corrector lens
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reproduction lens
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retrofocus lens
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rod lens
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roof lens
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rotationally symmetric lens
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short-focal-length lens
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silicone-glass Fresnel lens
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soft-focus lens
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spectacle lens
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spherical lens
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squeeze lens
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stabilized lens
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standard lens
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stepped lens
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stippled lens
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stopped-down lens
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studio/field zoom lens
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supplementary lens
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taking lens
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telenegative lens
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telephoto lens
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telescopic lenses
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thermal lens
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transforming lens
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two-dimensional lens
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two-stage linear Fresnel lens
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two-tube electrostatic lens
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variable magnification zoom lens
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variable-focal-length lens
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varifocal lens
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waveguide lens
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wide-angle lens
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zoned lens
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zoom lens -
3 Fischer, E.
[br]fl. 1930s Switzerland[br]Swiss engineer who invented the Eidophor large-screen television projector.[br]Fischer was a professor of engineering at the Swiss Federal Institute of Technology in the late 1930s. Interested in the emerging technology for television, he was of the opinion that the growth of television would take place through the development and use of large-screen cinema-type displays serving large audiences. He therefore carried out research into suitable techniques. Realizing the brightness limitations of projection systems based on the optical magnification of the image produced by a conventional cathode ray tube, he used the deflected electron-beam, not to excite a phosphor screen, but to deposit a variable charge on the surface of a film or oil. By means of a Schlieren slit system, the consequent deformations of the surface were used to spatially modulate the light from an electric arc or a discharge tube, giving a large, high-brightness image. Although the idea, first put forward in 1939, was not taken up for cinema television, the subsequent requirement of the US National Aeronautics and Space Administration in the 1960s for large colour displays in its Command and Control Centres led to the successful development of the idea by Gretag AG, a subsidiary of Ciba-Geigy: separate units were used for the red, green and blue images. In the 1990s, colour Eidophor projectors were used for large conference meetings and pop concerts.[br]Bibliography1946, "Views on the suitability of a cathode ray tube with a fluorescent screen for projection in cinemas", Bulletin of the Association of Swiss Electricians 39:468 (describes the concept of the Eidophor).Further ReadingE.H.Baumann, 1953, "The Fischer large screen projection system", Journal of Society of Motion Picture and Television Engineers 60:344.A.Robertson, 1976, "Projection television. A review of current practice in large-screen projectors", Wireless World 47.KF
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