Importance

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Abstract

A method for providing system acknowledge back responses from a plurality of remote stations to a central station is provided. The system acknowledge back responses include a predetermined station identification number assigned to each remote station and any individual acknowledge back responses received by each remote station from a plurality of portable communication receivers. The station identification number assigned to each remote station begins with a first station number and ends with a last station number in a predetermined sequential order. The method provides a start signal being first generated by the central station to initiate the transmission of the system acknowledge back responses from each of the plurality of remote stations. The transmissions begin from the first station in response to the first station receiving the start signal, and from each subsequent remote station in the predetermined sequential order in response to each subsequent station in the predetermined sequential order receiving the predetermined station identification number of the previous remote station. The central station, or a previous remote station may repeat the station identification number of the previous station when a subsequent station fails to respond, thereby insuring a reliable transmission of acknowledge back responses from the remote stations to the central station.

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First Claim