| 摘要 |
An attachable hand-operated/automatic dual usage venetian blind controller which can be attached to an existing venetian blind to set the blades of such a venetian blind together at any angle or to draw up the blades together to one side of the window by means of infrared remote control so as to regulate the light and air passing through. During power failure, the venetian blind can be controlled through hand operation without removing the controller. The controller of this invention is generally comprises of two DC motor and speed reducing gear set assemblies, two guide wheels, two pressure wheels, a beading cord driving wheel, a pull cord driving wheel, an infrared receiver control circuit, and an infrared transmitter.
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