Patent ID: 7634226
Filing Date: 2009-12-15
Classification: G06K,G08G

Abstract:
1. A method for propagating data across an area, comprising: providing a plurality of transponders at locations in an area, each transponder operable to receive, store, and transmit data; providing at least one scanner operable to receive, store, and transmit data; transferring data associated with a first one of said transponders from said first transponder to said at least one scanner; moving said at least one scanner relative to said plurality of transponders; transferring said data associated with said first transponder from said at least one scanner to a second one of said transponders; transferring data associated with said second transponder from said second transponder to said at least one scanner; moving said at least one scanner relative to said plurality of transponders; and transferring said data associated with said first transponder and said data associated with said second transponder from said at least one scanner to a third one of said transponders; whereby data associated with transponders is propagated among said plurality of transponders, and may further be transferred from one or more of said plurality of transponders to said at least one scanner.