Remotely controlled blind arrangement

Details Remotely controlled blind arrangement Remotely controlled blind arrangement

E - Fixed Constructions

06

B

E06B 9/32 (2006.01) E05F 15/16 (2006.01) G08C 23/04 (2006.01) H04B 1/16 (2006.01)

Patent

CA 2220763

A remotely controlled blind arrangement comprises a head rail with an operating member for operation the blind arrangement. The blind arrangement can be controlled by means of a remote control device and is powered by a power supply such as for instance a battery. According to the invention the blind arrangement comprises a wake-up circuit for periodically switching the processor unit between an active status and a sleep status. The processor unit periodically calibrates the wake-up unit to maintain a constant period wake-up signal. Hereby the wake-up circuit can be made from relatively cheap components and drifts of the wake-up signal due to the decreasing battery power or temperature influences can be reduced. In an embodiment according to the present invention the processor unit is adapted to disregard the signal of the transmitter when the blind has a fully tilted, fully deployed or fully retracted position for further energy saving.

Store télécommandé comprenant un boîtier muni d'un dispositif d'entraînement pour actionner le store. Le mécanisme fonctionne, par exemple, grâce à une pile et est actionné à l'aide d'une télécommande. Il comporte un circuit d'activation qui fait périodiquement passer le processeur d'un mode actif à un mode inactif. Le processeur étalonne périodiquement le circuit d'activation afin de maintenir le signal d'activation à période constante, ce qui permet de fabriquer le circuit d'activation avec des composantes relativement bon marché et de réduire les écarts du signal dus à l'affaiblissement de la pile ou à la température. Dans une version, le processeur est conçu pour ignorer le signal de l'émetteur lorsque le store se trouve en position complètement inclinée, déployée ou rétractée, ce qui économise encore plus d'énergie.

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