Patent ID: 7891139
Filing Date: 2011-02-22
Classification: E05F,E05Y

Abstract:
1. A method for controlling driving of plural groups of at least one door, each said group driven by at least one respective motor, comprising the steps of: setting a door drive torque to either a first torque or a second torque that is higher than said first torque; setting first torque application periods for application of said first torque to said groups; setting second torque application periods for application of said second torque to said groups; issuing an instruction to drive each said group with said first torque only during its respective said first torque application period; and issuing an instruction to drive each said group with said second torque only during its respective said second torque application period, wherein each respective said second torque application period does not overlap in time with any other second torque application period for any other group of doors.