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Related to orthicon: vidicon


An electron tube used in early video cameras to capture images by scanning a photoactive mosaic inside the camera with a low-velocity electron beam. Unlike the earlier iconoscope, it could capture images in low light. Also called image orthicon.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Electronics) a television camera tube in which an optical image produces a corresponding electrical charge pattern on a mosaic surface that is scanned from behind by an electron beam. The resulting discharge of the mosaic provides the output signal current. See also image orthicon
[C20: from ortho- + icon(oscope)]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈɔr θɪˌkɒn)

also or•thi•con•o•scope

(ˌɔr θɪˈkɒn əˌskoʊp)

a television camera tube in which a beam of low-velocity electrons scans a photoemissive mosaic.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.orthicon - a now obsolete picture pickup tube in a television camera; electrons emitted from a photoemissive surface in proportion to the intensity of the incident light are focused onto the target causing secondary emission of electrons
television pickup tube, television-camera tube - a tube that rapidly scans an optical image and converts it into electronic signals
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References in periodicals archive ?
Investigations in this area tend to focus on examining the formal aspects of the communication process: we count syllables and sentences and focus on stylistics in print; we count frames and cuts and focus on film techniques in movies; we count horizontal and vertical lines and focus on the physics of the Image Orthicon tube in television.
"Ike" Eisenhower, ATAS member Harry Lubcke of the Society of Television Engineers came up with "Immy," a term used for the early image orthicon camera tube, which was later modified to "Emmy."
DUMONT 2 Camaras para estudio $20 000.00 $19 500.00 $20,000.00 1 escritorio de mezcla 19 000.00 19 000.00 19 500.00 Equipo de sincronia 10 000.00 19 000.00 -- Transmisores 5 kw vision 2 kw audio -- 40 000.00 -- Antena 10 000.00 10 000.00 -- Sonido estudio 1 500.00 1 500.00 -- Equipo 35 mm peliculas -- 48 000.00 18 000.00 2 proyectores 16 mm adicional -- 2500.00 -- Control remoto 2 camaras 42 000.00 45 000.00 38 000.00 Transmisor relevo 10 000.00 11 000.00 10 000.00 Repuesto orthicon 1 200.00 -- -- Iconoscopio repuesto 500.00 -- -- Camion especial con antena y generadores -- -- 5 000.00 Descripcion del equipo Ingles Mexicano Esterlinas Pesos E.M.I.