orthicon
/'ɒ:θikɒn/
📖 中文释义
- n. 正析象管
- [电] 直线性光电发像管
📘 English Definition（英文释义）
- 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