| CPC G06K 7/10366 (2013.01) | 23 Claims |
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1. A system comprising:
a food pan configured for carrying food, the food pan having at least one radio frequency tag coupled thereto, the radio frequency tag storing a unique identifier associated with the food pan; and
at least one food preparation apparatus, comprising:
one or more tag readers configured to read the identifier from the tag and generate a tag signal when the tag is within range thereof; and
a single board computer communicatively coupled to a wireless network, the network comprising a plurality of nodes, wherein the single board computer is one of the nodes of the network, the single board computer comprising:
a processor, and
one or more memory devices communicatively coupled to the processor, the memory devices storing processor-executable instructions that, when executed, configure the processor to:
receive the tag signal, the tag signal including the identifier read from the tag by the one or more tag readers,
communicate the identifier on the network,
link the identifier to information relating to the food carried in the pan;
measure a gain of the tag signal; and
determine whether the food pan is nearing or leaving the one or more tag readers when the gain of the tag signal is increasing or decreasing, respectively.
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