Secure system for tracking elements using tags

Details Secure system for tracking elements using tags Secure system for tracking elements using tags

2005-06-28

2010-02-23

Hess, Daniel A (Department: 2876)

Registers

Systems controlled by data bearing records

Inventory

Reexamination Certificate

active

07665661

ABSTRACT:
A system for tracking elements employing fixed tags that are permanently attached internally or externally to elements. The tags include radio-frequency (RF) communication units that have wireless communication with RF communicators. The wireless communications between the RF tags and the RF communicators operate with a tag communication protocol that defines the operations and sequences for storing information into and retrieval of information from tags. Each communicator has a processor for controlling a security routine with the tag. Each tag has a tag memory having storage locations for storing security information, a controller for accessing the tag memory to access security information in response to the security routine and an I/O unit for electronic communication with the controller and for RF communication with the communicator.

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patent: 2005/0242957 (2005-11-01), Lindsay et al.
patent: 2006/0109120 (2006-05-01), Burr et al.

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