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单词 pickup tube
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pickup tube
pickup tube n. Television a vacuum tube that produces an electrical signal corresponding to an optical image formed in or on it; a camera tube.
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1933 Jrnl. Inst. Electr. Engineers 73 438/2 The development of the pick-up tube was pushed on, and the results..soon surpassed those of mechanical scanning.
1965 Wireless World Sept. 461/2 A small television camera which uses a solid-state image sensing panel in place of the conventional electron-beam pick-up tube.
2000 Proc. SPIE (Internat. Soc. Optical Engin.) 3977 522 An X-ray image on the fluorescent screen is focused on the photoconductive layer of the pickup tube and the photosensitive area of the CCD.
extracted from pickupn.adj.
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