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单词 image iconoscope
释义

Definition of image iconoscope in English:

image iconoscope

noun
Television historical

  • A kind of television camera tube in which an image causes a photoemissive surface to emit a corresponding flow of electrons which is then focused on to a photoemissive mosaic, the video signal being obtained from the variation in current as the mosaic is scanned with an electron beam.

Origin

1930s; earliest use found in Proceedings of the Institute of Radio Engineers.

 
 

Definition of image iconoscope in US English:

image iconoscope

noun
Television historical

  • A kind of television camera tube in which an image causes a photoemissive surface to emit a corresponding flow of electrons which is then focused on to a photoemissive mosaic, the video signal being obtained from the variation in current as the mosaic is scanned with an electron beam.

Origin

1930s; earliest use found in Proceedings of the Institute of Radio Engineers.

 
 
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更新时间：2025/1/27 5:32:31