|

image orthicon

DEFINITIONS OF: image orthicon

1

n 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
Type of:
television pickup tube, television-camera tube
a tube that rapidly scans an optical image and converts it into electronic signals
WORD FAMILY
USAGE EXAMPLES