Controlling communication mode changes in a communication system

In response to receiving an indication at a primary device of initiation of a communication mode change, the primary device transmits a first command. Each of one or more secondary devices that are in a responsive state when the first command is transmitted responds to the first command with a respo...

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Bibliographische Detailangaben
Hauptverfasser:	HEALY ALEXANDER, TARR MORTON
Format:	Patent
Sprache:	eng
Schlagworte:	CALCULATING COMPUTING CONTROL OR REGULATING SYSTEMS IN GENERAL CONTROLLING COUNTING ELECTRIC COMMUNICATION TECHNIQUE ELECTRIC DIGITAL DATA PROCESSING ELECTRICITY FUNCTIONAL ELEMENTS OF SUCH SYSTEMS MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS MULTIPLEX COMMUNICATION PHYSICS PICTORIAL COMMUNICATION, e.g. TELEVISION REGULATING SELECTING SIGNALLING TESTING TRANSMISSION TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILARSIGNALS WIRELESS COMMUNICATIONS NETWORKS
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Beschreibung
Zusammenfassung:	In response to receiving an indication at a primary device of initiation of a communication mode change, the primary device transmits a first command. Each of one or more secondary devices that are in a responsive state when the first command is transmitted responds to the first command with a response message and remains in a responsive state until a second command is received from the primary device. Each secondary device that is not in a responsive state when the first command is transmitted changes to a responsive state after a predetermined amount of time in a non-responsive state and remains in a responsive state for at least a minimum time duration. The primary device collects response messages received from secondary devices, and in response to the number of response messages received being equal to an indicated number, transmits the second command.