Dual control system and method

G - Physics – 08 – C

Patent

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G08C 17/02 (2006.01) G08C 23/04 (2006.01)

Patent

CA 2661403

A controller for a device transmitting commands across one or more communication channels. Each such channel may employ a separate medium, such as radio waves and infrared light. The controller may transmit two separate signals to a device, where one signal is sent via radio waves and the other by infrared light. One signal may correspond to a group identifier and the other to an operating command to be carried out by the device. The device may receive both signals and, if the device belongs to a group corresponding to the group identifier, it may execute the operating command. Alternatively, the group identifier may be replaced by a wake command and the device may execute the operating command only if the wake command is received.

L'invention concerne un contrôleur destiné à un dispositif émettant des instructions au travers d'un ou de plusieurs canaux de communication. Chaque canal de ce type peut employer un support séparé, tel que des ondes radio et de la lumière infrarouge. Le contrôleur peut émettre deux signaux séparés vers un dispositif, un signal étant envoyé par l'intermédiaire d'ondes radio et l'autre par de la lumière infrarouge. Un signal peut correspondre à un identificateur de groupe et l'autre à une instruction de service devant être exécutée par le dispositif. Le dispositif peut recevoir les deux signaux et, si le dispositif appartient à un groupe correspondant à l'identificateur de groupe, il peut exécuter l'instruction de service. En variante, l'identificateur de groupe peut être remplacé par une instruction d'éveil et le dispositif peut exécuter l'instruction de service uniquement si l'instruction d'éveil est reçue.

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