Electrically powered window covering assembly

Details Electrically powered window covering assembly Electrically powered window covering assembly

E - Fixed Constructions

06

B

E06B 9/322 (2006.01) E06B 9/262 (2006.01) E06B 9/32 (2006.01) E06B 9/72 (2006.01) E06B 9/88 (2006.01)

Patent

CA 2214191

A wireless battery-operated window covering assembly is disclosed. The window covering has a head rail in which all the components are housed. These include a battery pack, an interface module including an IR receiver and a manual switch, a processor board including control circuitry, motor, drive gear, and a rotatably mounted reel on which lift cords wind and unwind a collapsible shade. The circuitry allows for dual-mode IR receiver operation and a multi-sensor polling scheme, both of which are configured to prolong battery life. Included among these sensors is a lift cord detector which gauges shade status to control the raising and lowering of the shade, and a rotation sensor which, in conjunction with internal registers and counters keeps track of travel limits and shade position.

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