SENSE LEVEL ADJUSTMENT DEVICE FOR IMAGE SCANNING MACHINE.

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作者
Kobayashi, Y.
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来源
IBM technical disclosure bulletin | 1984年 / 27卷 / 05期
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摘要
To enable an operator of an image scanning machine to adjust easily a sense level of the machine without a test chart, a device is provided for rapidly and accurately obtaining an average voltage of white level of the sensed image signals regardless of the degree of coarseness of the form surface being scanned.
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页码:3046 / 3047
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