What is the meaning of image orthicon?

noun

  • 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.
WordNet 3.0 © 2006 by Princeton University
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APAWordNet. (2010). image orthicon. Retrieved September 22, 2026, from http://smartdefine.org/image_orthicon/definitions/1286584
ChicagoWordNet. 2010. "image orthicon" http://smartdefine.org/image_orthicon/definitions/1286584 (accessed September 22, 2026).
HarvardWordNet 2010, image orthicon, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/image_orthicon/definitions/1286584>.
MLAWordNet. "image orthicon" 23 October 2010. Web. 22 September 2026. <http://smartdefine.org/image_orthicon/definitions/1286584>