Device to control the scrolling of posters and display device including the same

摘要

The device has two sensors (34) placed at a level of side edges of a series of posters (18) and detecting reference marks. Two reference marks are placed at the level of respective side edges of initial and final poster to be shown. A rolling direction of cylinders (24,26) is changed according to the marks detected by the sensors. The cylinders are directly connected with one free edge of the series of posters. An independent claim is also included for a poster display panel comprising a poster rolling control device.