Location tracking apparatus, system, and method
First Claim
1. A target tracking apparatus for locating a target subject, the target tracking apparatus comprising:
- a radio frequency transceiver configured to receive radio frequency signals from a master tracking apparatus and to transmit radio frequency signals to the master tracking apparatus;
a tamper-resistant security band configured to attach the radio frequency transceiver to a target subject to be tracked and to resist unauthorized removal of the band and transceiver from the target subject; and
a band tamper alarm module configured to send a band tamper alert signal to the master tracking apparatus in response to a band tamper alarm event.
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Abstract
An apparatus, system, and method are disclosed for tracking the location of one or more target tracking apparatus with a master tracking apparatus. The master tracking apparatus communicates with the target tracking apparatus via radio frequency (RF) signals. The target tracking apparatus includes a tamper-resistant band and closure that are designed to resist unauthorized removal from the target subject and to alert the master operator of an attempted or completed unauthorized removal. The master tracking apparatus and the target tracking apparatus are each capable of initiating one or more alarm modes based on certain alarm events, such as activation of a distress alarm initiator by the target subject or activation of a check-in selector control by the master operator. Upon occurrence of an alarm event, the master and target tracking apparatus each communicates an alert signal to the other apparatus and each notifies the master operator or target subject of the occurrence of the alarm event.
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Citations
25 Claims
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1. A target tracking apparatus for locating a target subject, the target tracking apparatus comprising:
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a radio frequency transceiver configured to receive radio frequency signals from a master tracking apparatus and to transmit radio frequency signals to the master tracking apparatus;
a tamper-resistant security band configured to attach the radio frequency transceiver to a target subject to be tracked and to resist unauthorized removal of the band and transceiver from the target subject; and
a band tamper alarm module configured to send a band tamper alert signal to the master tracking apparatus in response to a band tamper alarm event. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. A location tracking system for locating a target subject, the system comprising:
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a target tracking apparatus attached to a target subject, the target tracking apparatus including a target radio frequency transceiver configured to send and receive radio frequency signals; and
a master tracking apparatus configured to track the location of the target tracking apparatus, the master tracking apparatus including;
a master radio frequency transceiver configured to send radio frequency signals to and receive radio frequency signals from the target tracking apparatus;
a distance module configured to calculate the distance between the master tracking apparatus and the target tracking apparatus;
a direction module configured to determine the direction from the master tracking apparatus to the target tracking apparatus. - View Dependent Claims (19, 20, 21, 22, 23)
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24. A location tracking process for locating a target subject, the process comprising:
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attaching a target tracking apparatus to a target subject to be tracked; and
monitoring the location and status of the target tracking apparatus using a master tracking apparatus, including transmitting radio frequency signals from the master tracking apparatus to the target tracking apparatus;
transmitting radio frequency signals from the target tracking apparatus to the master tracking apparatus in response to the radio frequency signals sent from the master tracking apparatus and received by the target tracking apparatus;
calculating the time-of-flight of the radio frequency signals transmitted from and received by the master tracking apparatus;
calculating a distance between the master tracking apparatus and the target tracking apparatus using the time-of-flight calculation;
determining the direction from the master tracking apparatus to the target tracking apparatus. - View Dependent Claims (25)
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Specification