Patent ID: 7040374
Filing Date: 2006-05-09
Classification: E06B,Y10S

Abstract:
1. An electromagnetic clutch-controlled electric blind comprising: a blind body, said blind body having a headrail and a slat set, said headrail having an internal holding chamber, said slat set having a plurality of slats; a power drive, said power drive comprising only a single motor, and at least one first electromagnetic clutch controlled by a single receiver to actuate said first electromagnetic clutch between a first position engaged to said single motor and a second position disengaged from said single motor; an amplitude modulation set, said amplitude modulation set having a spindle engaged to said single motor for rotation with said single motor to lift/lower said slats to a desired elevation; a frequency modulation set, said frequency modulation set having a spindle engaged to said single motor through said first electromagnetic clutch when said first electromagnetic clutch is actuated to be in said first position to rotate and control a tilting angle of said slats.