Microtek International Inc.

Murphy Chiu

Liang-Yi Li

Jin-Dar Wang

Andy Hu

This invention provides a scanner, which is capable of scanning document images based on a stepping control table and a method to generate such a table. This scanner includes a scanning module to scan a document and generates a responding image signal, a stepping motor to drive the scanning module or the document and a control device to control the operation of the scanning module and the stepping motor. This control device includes a stepping control table, which contains the stepping numbers for the stepping motor to drive the scanning module or the document. While scanning a document, this device will accurately control the stepping motor according to the stepping numbers relating to the locations of the lines to be scanned, and further move the scanning module or the document to a pre-defined position for a scanning task. A design like this will reduce errors in a scanning module's movement caused by the mechanical deviation.

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Taichung, Taiwan

Murphy Chiu