{HEAD ~ A scanning device} 1, wherein the data encoded by the tags is redundantly encoded and {TAIL ~ the processor} uses the redundantly encoded data to detect one or more errors therein 
wherein
{ HEAD ~ A scanning device } 1 , wherein the data encoded by the tags is redundantly encoded and { TAIL ~ the processor } uses the redundantly encoded data to detect one or more errors therein
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH