单词 | image dissector |
释义 | > as lemmasimage dissector image dissector n. Television (now historical) a kind of television camera tube in which an image causes a photoemissive surface to emit a corresponding flow of electrons, the current of which constitutes the video signal. ΚΠ 1934 P. T. Farnsworth in Jrnl. Franklin Inst. 218 411 Means for producing these saw-tooth currents and means for synchronizing them between the ‘Image Dissector’, or transmitting tube, and the..receiving tube, are discussed. 1968 Brit. Med. Bull. 24 261/2 A non-storage camera tube of the type known as an ‘image dissector’ also possesses some very favourable properties, particularly in so far as resolution is concerned. 2003 A. Abramson Hist. Television, 1942–2000 vii. 109/2 It was stated that the image dissector despite its inherent low sensitivity surpassed all other camera tubes in resolution. < as lemmas |
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