Low power rf control system

G - Physics – 08 – C

Patent

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Details

G08C 17/02 (2006.01) H04B 1/16 (2006.01)

Patent

CA 2559906

The control system allows to control a component at least in part in response to a signal from a remote control device manipulable by a user. It comprises at least one receiver configured for processing a signal when being activated and at least one controller causing the receiver to be activated periodically during a wake-up event comprising at least an activation period (B, B', B'') and deactivated if no signal is detected during the wake-up event. It is characterized in that: - the signal includes at least one preamble pulse during a pre-synchronization cycle followed by at least a data command signal, and - the receiver is activated according to a series of wake-up events in such a way that, during the whole duration of a pre-synchronization cycle, the receiver is at least activated during two activation periods and at least an activation period occurs during a preamble pulse.

L'invention concerne un système de commande permettant de commander un composant, au moins en partie en réponse à un signal provenant d'un dispositif de commande éloigné pouvant être manipulé par un utilisateur. Le système comprend au moins un récepteur qui, lorsqu'il est activé, permet de traiter un signal ; et au moins un organe de commande qui active périodiquement le récepteur pendant un événement d'activation comprenant au moins une période d'activation (B, B', B''), et qui le désactive si aucun signal n'est détecté pendant l'événement d'activation. Le système est caractérisé en ce que : le signal comprend au moins une impulsion de préambule pendant un cycle de présynchronisation, suivie d'au moins un signal de commande ; et le récepteur est activé selon une série d'événements d'activation de sorte que, pendant toute la durée d'un cycle de présynchronisation, le récepteur est activé au moins pendant deux périodes d'activation, au moins une période d'activation ayant lieu pendant une impulsion de préambule.

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