Matches 1 - 5 out of 5
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7337824 Magnetic tilt and raise/lower mechanisms for a venetian blind  
Magnetic tilt and raise/lower mechanisms for a venetian blind disposed between the glass panes of a multi-pane window are disclosed. The magnetic mechanisms act on tilt lines and a raise/lower line...
6949854 Method and apparatus for a continuously variable-ratio transmission  
A method and apparatus for providing a continuously variable transmission (CVT) is described. The CVT comprises permanent magnets to couple power, a coefficient of coupling controlled by an...
5850861 Electrostatically positioned blind insert for insulated glass  
An electrostatically controlled blind system for use in limiting the passage of light through windows, doors, and skylights in building structures is disclosed. The blind system comprises a...
5718274 Adjustable screen having magnetically stabilized louvers  
A screen having louvers rotatable about parallel axes under the control of magnetic fields and attached to permanent magnets contained in a magnetically permeable housing so dimensioned relative to...
5357712 Adjustable screen having magnetically latching louvers  
An electromagnetically operated screen having a plurality of louvers which are provided with permanent magnets for maintaining the louvers latched shut when in a closed attitude without the...
Matches 1 - 5 out of 5