Patent ID: 6415439
Filing Date: 2002-07-02
Classification: A63H,G06F,G08C,G10H,G10L,H04L,H04W

Abstract:
A method for communicating data between a controller and a controlled device having an assigned device code, comprising the steps of:transmitting an acquisition message from the controller to the controlled device including a transmitted device code and a subchannel address; at the controlled device, comparing the assigned device code to the transmitted device code; if the assigned device code corresponds to the transmitted device code, storing the subchannel address at the controlled device as an assigned subchannel address; transmitting a control data packet from the controller to the controlled device including a message header and control data, the message header including a message subchannel address; at the controlled device, comparing the assigned subchannel address to the message subchannel address; and if the assigned subchannel address corresponds to the message subchannel address, responding to the control data at the controlled device.