Importance

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Abstract

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.

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First Claim