WIRELESS ASSET IDENTIFICATION AND LOCATION
First Claim
Patent Images
1. A method for collecting data from wireless tags comprising the steps of:
- providing a plurality of wireless tags each capable of transmitting and receiving data and each identified by a unique identification code;
a first one of said wireless tags transmitting data;
at least one other one of said wireless tags receiving said data and responding by transmitting further data including information relating to its unique identification code;
said first wireless tag receiving said further data;
said first wireless tag transmitting still further data including information relating to the unique identification code of said first wireless tag and information relating to the unique identification codes of each of said responding wireless tags; and
a receiving unit receiving said still further data.
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Accused Products
Abstract
Asset identification and locating systems comprising a plurality of reference location tags and a plurality of asset identification tags, each reference location and asset identification tag having: a transceiver which can control the range of the tag; a unique tag identification number; a plurality of asset identification and locating retrieval units connected to a network, wherein each asset identification and locating retrieval unit will send and/or receive signals from the asset identification and reference location tags.
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Citations
36 Claims
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1. A method for collecting data from wireless tags comprising the steps of:
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providing a plurality of wireless tags each capable of transmitting and receiving data and each identified by a unique identification code; a first one of said wireless tags transmitting data; at least one other one of said wireless tags receiving said data and responding by transmitting further data including information relating to its unique identification code; said first wireless tag receiving said further data; said first wireless tag transmitting still further data including information relating to the unique identification code of said first wireless tag and information relating to the unique identification codes of each of said responding wireless tags; and a receiving unit receiving said still further data. - View Dependent Claims (2, 4)
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3. (canceled)
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5. (canceled)
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6. A method for determining the location of a subject wireless tag capable of transmitting and receiving data, comprising the steps of:
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providing at least one other wireless tag capable of transmitting and receiving data and identified by an unique identification code; said subject wireless tag transmitting data; said at least one other wireless tag receiving said data and responding by transmitting further data including information relating to its unique identification code; said subject wireless tag receiving said further data; said subject wireless tag transmitting still further data including information relating to the unique identification codes of each of said at least one other wireless tag; a receiving unit receiving said still further data; said receiving unit processing said still further data to determine the location of said subject wireless tag. - View Dependent Claims (7, 10, 11, 12, 14, 20, 21, 22, 25)
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8. (canceled)
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9. (canceled)
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13. (canceled)
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15. (canceled)
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16. (canceled)
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17. (canceled)
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18. (canceled)
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19. (canceled)
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23. (canceled)
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24. (canceled)
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26. (canceled)
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27. (canceled)
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28. A location tracking system for wireless tags comprising:
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a wireless tag capable of transmitting and receiving data; at least one other wireless tag capable of receiving data from said wireless tag and transmitting data to said wireless tag, wherein the data transmitted to said wireless tag by each of said at least one other wireless tag comprises information relating to the identification of each said at least one other wireless tag and information relating to the signal strength between said wireless tag and each of said at least one other wireless tag; a receiving unit capable of receiving data from said wireless tag, wherein the data received from said wireless tag comprises information relating to data received by said wireless tag from each said at least one other wireless tag; and processing means to compute the location of said wireless tag from the data received by said receiving unit. - View Dependent Claims (29, 30, 31)
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32. (canceled)
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33. A wireless tag for a location tracking system comprising:
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a transmitter operable to transmit initial data to at least one other wireless tag and operable to transmit accumulated data to a receiving unit, wherein said accumulated data comprises information relating to the identification of said at least one other wireless tag and information relating to the signal strength between said wireless tag and said at least one other wireless tag; a receiver operable to receive response data from each of said at least one other wireless tag, wherein said response data comprises information relating to the identification of each of said at least one other wireless tag and information relating to the signal strength between said wireless tag and each of said at least one other wireless tag; a controller comprising; means to cause said transmitter to begin transmission of said initial data; and a processor to transform said response data received by said receiver from each of said at least one other wireless tag into said accumulated data. - View Dependent Claims (34, 35)
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36. (canceled)
Specification