Patent ID: 7468591
Filing Date: 2008-12-23
Classification: E06B,G05B

Abstract:
1. An initialization process, for determining the position of a screen and for the control of the movement of said screen ( 2 ) designed to move between two extreme positions, the screen being associated with a control unit ( 4 ) which comprises a clock ( 6 ), a memory ( 5 ) and a logic processing unit ( 9 ) and which controls an actuator ( 3 ) driving the screen ( 2 ), in which process the travel of the screen between the two extreme positions is divided into different segments and each segment end is allocated a duration of screen movement in a first direction between the segment end and a first reference position and a duration of screen movement in a second direction between the segment end and a second reference position, wherein each position of the screen is determined by the duration separating the screen from at least a reference position.