Patent ID: 7777627
Filing Date: 2010-08-17
Classification: G06K

Abstract:
1. A system comprising: a plurality of electronic seals, each electronic seal associated with a container of a plurality of containers and configured to detect an access event associated with its respective container, and further configured to output a notification of the access event in response thereto; a plurality of tag writers, each tag writer contained within a container of the plurality of containers and configured to receive the notification of the access event and further configured, in response, to write a data element to a write-once memory of a corresponding tag that is attached to an item within the respective container, the data element signifying the access event; and at least one tag reader, the at least one tag reader configured to read the write-once memory of a currently-read tag attached to a currently-read item, the currently-read item and attached currently-read tag being included in a current container after having been re-packaged at least once from at least one previous container of the plurality of containers during a shipment of the currently-read item, and further configured to detect a recorded access event within the write-once memory and thereafter output an indication that the currently-read item was contained within a breached container during the shipment.