Vibration logging tag
First Claim
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1. A method for tracking vibrational information for an item via an RFID tag, comprising:
- storing a plurality of vibration entries in a record associated with the RFID tag, wherein the vibration entries were received during interrogations of the RFID tag by one or more readers; and
determining a status of the item associated with the RFID tag based on at least one of the stored vibration entries.
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Abstract
A method for tracking vibrational information for an item via an RFID tag is provided. The method includes interrogating the RFID tag at various points throughout the supply chain to obtain vibrational entries for the RFID tag. The vibrational entries are then individually compared to a set of thresholds. The sum of the one or more vibrational entries may also be compared to a different set of thresholds. A designation for the item (e.g., non-operational, potentially damaged, normal) is then assigned based on the results of the comparison.
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Citations
20 Claims
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1. A method for tracking vibrational information for an item via an RFID tag, comprising:
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storing a plurality of vibration entries in a record associated with the RFID tag, wherein the vibration entries were received during interrogations of the RFID tag by one or more readers; and determining a status of the item associated with the RFID tag based on at least one of the stored vibration entries. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. An radio frequency identification (RFID) tag associated with an item, comprising:
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a vibration sensor; and an electrical circuit, including; a sensor interface circuit configured to sample an output of the vibration sensor at a predefined frequency; and a storage, wherein the storage is configured to store a plurality of entries, wherein each entry includes information corresponding to a sensed vibration. - View Dependent Claims (12, 13, 14, 15)
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16. A system for tracking vibrational information for an item, comprising:
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a vibration tracking module configured to receive a set of vibrational entries from an RFID reader, wherein the set of vibrational entries is read from an RFID tag associated with an item; and a memory configured to store the received set of vibration entries; wherein the vibration tracking module is configured to determine a status of the item based on at least one entry in the set of received entries. - View Dependent Claims (17, 18, 19)
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20. A system for tracking vibrational information for an item, comprising:
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means for storing a plurality of vibration entries in a record associated with the RFID tag, wherein the vibration entries were received during interrogations of the RFID tag by one or more readers; and means for determining a status of the item associated with the RFID tag based on at least one of the stored vibration entries.
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Specification