image_orthicon has definitions from the fields of electronics,television
1
[ noun ] (electronics,television) 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

Synonyms

orthicon

Used in print

(Walter H. Buchsbaum, "Advances in Medical Electronics"...)

Instead of the observer 's eye the image_orthicon in the TV_camera does the `` looking '' .

Related terms

television-camera_tube

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