| 单词 | image orthicon |
| 释义 | image orthicon (once / 1313257 pages) n WORD FAMILY image orthicon USAGE EXAMPLESThe winning name was chosen to honor the image orthicon tube, an important bit of TV technology. Time(Sep 18, 2015) 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 Syn|Hyper orthicon television pickup tube, television-camera tube a tube that rapidly scans an optical image and converts it into electronic signals |
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