Results for « 直线性 光电 发 像 管 » (cmn)
03856728-n (2)
正析摄橡管, 正 析像管, 直线性光电发像管, 正析象管, 直线性 光电 发 像 管, 正 析摄 橡管, 正析像管
orthicon, image orthicon
     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
 

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