TRANSPORTING DEVICE AND PRINTING DEVICE Russian patent published in 2011 - IPC B41J2/00 B41J11/00 

FIELD: printing industry.

SUBSTANCE: invention relates to transportation of sheets in a printing device. The device comprises a mechanism causing an object motion, a unit for collecting information related to value of mechanism excitation, a sensor to grip an object surface with the purpose to collect data of an image, a processing module to process the first data of the image and the second data of the image collected by the sensor at various moments of time, and a control unit to control the mechanism on the basis of information on motion received with the help of the processing module. At the same time the processing module cuts a template of the image of the area of the first data of the image, limits the range of searching in the second data of image, within which such information is sought for on the basis of information collected by the unit of information collection, searches for a similar area within the limited range of searching in the second data of the image and receives information on the object movement on the basis of the position link between the image template in the first data of the image and the similar area in the second data of the image.

EFFECT: invention makes it possible to move a sheet with higher speed and also to receive information on its movement for a short period of time.

15 cl, 22 dwg