HyperDic: orthicon

English > 1 sense of the word orthicon:
NOUNartifactorthicon, image orthicona now obsolete picture pickup tube in a television camera
English > orthicon: 1 sense > noun 1, artifact
MeaningA 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.
Synonymimage orthicon
Broadertelevision-camera tube, television pickup tubeA tube that rapidly scans an optical image and converts it into electronic signals
Catalanorticó

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