Image Orthicon (Noun)
Meaning
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.
Classification
Nouns denoting man-made objects.
Examples
- The image orthicon was a fundamental component of early television cameras used to capture live images for broadcast.
- In the 1940s and 1950s, television cameras relied heavily on the image orthicon to produce high-quality video signals.
- The image orthicon's ability to amplify weak light signals made it an ideal choice for use in early television systems.
- The target in an image orthicon consisted of a thin layer of insulating material that stored the electrical charge created by the incident light.
- Development of more modern pickup devices eventually led to the obsolescence of the image orthicon and its replacement in television cameras.