Visioneer, Inc.

Ron Os

John Blair

Bi-directional multi-resolution scanner having software/firmware for 1- to 2-pass high resolution scanning, enabling the scanner to capture and render image data both the standard direction, top to bottom pass, as well as the return direction, that is, bi-directional scanning, in contrast to prior art scanners which return to the start position after each pass without reading (scanning). Typical current B&W scanning of an 8&#xbd;&#xd7;11&#x2033; image at 600 dpi takes a total time from start to reload to the next image of on the order of 42-67 seconds. In contrast, the inventive system scans and displays the high resolution image in about 37 seconds, some 7-30 seconds faster than a conventional scanner. In multiple image scanning, since the time for the two return passes and the preview pass is eliminated, the productivity is increased from 20 to 300% or more. Since multiple non-scan return passes are eliminated, the inventive system is also a substantial improvement for limited power bus devices.

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Morrison, CO, United States of America

Ron Os