pickup tube
Television
noun
A vacuum tube that produces an electrical signal corresponding to an optical image formed in or on it; a camera tube.
Origin
1930s; earliest use found in Journal of the Institute of Electrical Engineers.
| 单词 | pickup tube |
| 释义 | pickup tubeTelevision noun A vacuum tube that produces an electrical signal corresponding to an optical image formed in or on it; a camera tube. Origin |
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