Patent ID: 9057217
Filing Date: 2015-06-16
Classification: E05D,E05F,E05Y,H02K,H02P

Abstract:
1. A method for controlling a building closure between an open position and a closed position, the method comprising: applying a residual current to a motor operably engaged with the building closure at a first static position; receiving a series of instructions, the series of instructions including a current characteristic line defining a terminal position and a relationship between a current and a position of the building closure between and including the open position and the closed position, the terminal position being either between the open position and the closed position or including the open position or the closed position, and wherein at least a portion of the current characteristic line depicts a positive progressive relationship and another portion of the current characteristic line depicts a negative progressive relationship between the current and the position of the building closure; applying the current of the current characteristic line to the motor; and upon reaching the terminal position, applying the residual current to the motor at the terminal position for holding the building closure still.