单词 | TV camera scanner |
释义 | TV camera scanner [tē`vē ¦kam·rǝ ´skan·ǝr] COMPUTER SCIENCE In optical character recognition, a device that images an input character onto a sensitive photoconductive target of a camera tube, thereby developing an electric charge pattern on the inner surface of the target; this pattern is then explored by a scanning beam which traces out a rectangular pattern with the result that a waveform is produced which represents the character's most probable identity. |
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