Patent 7593146 was granted and assigned to Samsung on September, 2009 by the United States Patent and Trademark Office.
An image scanning device is provided including a sensor unit which carries an image sensor. The sensor unit is installed within a scanner body and is capable of reciprocating underneath a flat glass plate. The sensor unit has an image sensor and a cleaning unit arranged on a moving route of the sensor unit to remove static electricity as well as contaminants remaining on the image sensor when the cleaning unit contacts the image sensor.