Importance

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Abstract

Provided is an electric-powered door curtain including: a curtain unit including a shaft, a curtain blind wound around an outer surface of the shaft, and a shade bar fixed to an upper portion of the curtain blind; and a driving unit configured to move the shade bar upward and downward, wherein the driving unit includes: a guide rail disposed in a lower portion of the shaft, and perpendicular to the shaft; a slider installed so as to be movable upward and downward along the guide rail, and including a movable pulley installed inside the slider, an antenna; a fixed pulley installed at a position adjacent to a lower side of the shaft; a wire having one end fixed at a position adjacent to the lower side of the shaft, and configured to pass through the fixed pulley via the movable pulley; and a winding device.

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First Claim