| 摘要 |
Apparatus for transporting and processing documents and maintaining a preset nominal inter-document gap, gnom therebetween, this apparatus including a transport stage for picking each document from an input stack and advancing it toward a destination at a controlled rate; a sensor unit for sensing the distance g between the so-moved document and the following document; and a control stage for determining the variance NABLA g, between gnom and g, while driving each successive document along a feed path from the input stack at adjustable times; with the sensor unit inputting the control stage which is adapted to responsively determine the variance-distance NABLA g, and to thereupon control the transport stage to adjust the acceleration or deceleration of a following document and so tend to reduce this variance-distance NABLA g.
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