light-gating cathode-ray tube

light-gating cathode-ray tube

[′līt ‚gād·iŋ ¦kath‚ōd ′rā ‚tüb]
(electronics)
A cathode-ray tube in which the electron beam varies the transmission or reflection properties of a screen that is positioned in the beam of an external light source.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.