| 释义 |
WordReference Random House Unabridged Dictionary of American English © 2024or•thi•con (ôr′thi kon′),USA pronunciation n. [Television.]- Radio and Televisiona camera tube, more sensitive than the iconoscope, in which a beam of low-velocity electrons scans a photoemissive mosaic.
Also, or•thi•con•o•scope (ôr′thi kon′ə skōp′).USA pronunciation - orth- + icon(oscope) 1935–40
Collins Concise English Dictionary © HarperCollins Publishers:: orthicon /ˈɔːθɪˌkɒn/ n - a television camera tube in which an optical image produces a corresponding electrical charge pattern on a mosaic surface that is scanned from behind by an electron beam. The resulting discharge of the mosaic provides the output signal current
See also image orthicon
Etymology: 20th Century: from ortho- + icon( oscope) |