Systems, methods and devices for area-based localization
First Claim
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1. A localization tag comprising:
- at least one memory circuit for storing beacon information, said beacon information comprising a number of ID codes, at least one tamper code, at least one power status code, and;
a tamper circuit capable of triggering additional beacons if said tag has been compromised;
a microprocessor for creating a beacon signal comprising at least one piece of said beacon information, a transmitter capable of transmitting said beacon signal, said transmitter being capable of sending said beacon signal in randomly selected predetermined time intervals; and
a power supply operatively connected to said microprocessor, said tamper circuit, said memory chip, and said transmitter.
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Abstract
An improved compact, secure localization tag useful for identifying and tracking the tag in an environment comprising discrete areas is disclosed. Further, systems and methods for area-based localization of tags using received signal strengths is also disclosed. Tracking the location of an asset can be facilitated by attaching a tag that transmits a beacon signal to the asset. The beacon signal can be received and measured by beacon receivers so as to locate the asset and the attached tag.
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Citations
16 Claims
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1. A localization tag comprising:
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at least one memory circuit for storing beacon information, said beacon information comprising a number of ID codes, at least one tamper code, at least one power status code, and;
a tamper circuit capable of triggering additional beacons if said tag has been compromised;
a microprocessor for creating a beacon signal comprising at least one piece of said beacon information, a transmitter capable of transmitting said beacon signal, said transmitter being capable of sending said beacon signal in randomly selected predetermined time intervals; and
a power supply operatively connected to said microprocessor, said tamper circuit, said memory chip, and said transmitter. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A localization system comprising:
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at least one localizing tag where said tag sends out a beacon signal at predetermined intervals;
at least one reference point for receiving beacon signals and collecting information about said received beacon signals;
a localization server for computing a location of a tag to a predefined area based on a site survey and the beacon information collected by the reference points;
a communication infrastructure for transmitting said beacon information from the reference points to a localization server. - View Dependent Claims (8, 9, 10, 11, 12, 13, 14, 15, 16)
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Specification