Patent ID: 11922371
Assignee: 7-ELEVEN, INC.
Field: Measurement (Instruments)
Classification: CPC G  A  H | IPC A  G  H

Claim 6:
7. The system of claim 1, further comprising:
a plurality of racks including the rack, wherein the plurality of racks are connected in a daisy chain;
a master controller connected to a first rack of the daisy chain, wherein a last rack of the daisy chain is connected to the master controller forming a ring topology, wherein the processor is further configured to:
receive from the master controller a request for the number of items actually stored in the rack, the request comprising a network address of the rack; and
generate a count message comprising the network address of the rack and the determined number of items actually stored in the rack; and
transmit the count message to a next rack on the daisy chain.