Long Wave Wireless Pair-Wise Linkage Using an Embedded Visibility Network
First Claim
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1. A system comprising:
- a portal through which a user and an asset may pass;
a plurality of assets, each having a respective radio tag affixed thereto, each respective radio tag having a respective unique identifier;
a plurality of users, each having a respective radio badge affixed thereto, each respective radio badge having a respective unique identifier;
an antenna adjacent said portal, the antenna disposed for radio communication with ones of the radio tags when they are nearby thereto and with ones of the radio badges when they are nearby thereto;
a server communicatively coupled with the antenna, said server comprising a database associating certain ones of the radio tags with certain respective ones of the badges;
said server disposed, upon establishing radio communication with one of the radio tags, and in the event that no radio badge is associated therewith in the database, to annunciate the lack of an associated radio badge;
said server disposed, upon establishing radio communication with one of the radio tags, and in the event that a radio badge is associated therewith in the database, and in the event that no radio communication is established with the associated radio badge, to annunciate the lack of the radio badge;
said server disposed, upon establishing radio communication with one of the radio tags, and in the event that a radio badge is associated therewith in the database, and in the event that radio communication is established with the associated radio badge, to annunciate the presence of the radio badge.
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Accused Products
Abstract
A system uses an antenna at a portal, the antenna coupled to equipment which can send and receive information to and from radio tags, each having a unique identity. The equipment detects, for example, a tag attached to an asset. The equipment looks to see if an associated badge is in the detection area of the portal. If the badge and asset match, the user bearing the badge is permitted to exit the portal. Otherwise the user is not permitted to exit the portal. An asset such as a ski can be equipped with such a tag, the tag in this case being a low-frequency tag. The low-frequency tag permits locating the ski even if it is not visible because it is under snow.
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Citations
28 Claims
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1. A system comprising:
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a portal through which a user and an asset may pass; a plurality of assets, each having a respective radio tag affixed thereto, each respective radio tag having a respective unique identifier; a plurality of users, each having a respective radio badge affixed thereto, each respective radio badge having a respective unique identifier; an antenna adjacent said portal, the antenna disposed for radio communication with ones of the radio tags when they are nearby thereto and with ones of the radio badges when they are nearby thereto; a server communicatively coupled with the antenna, said server comprising a database associating certain ones of the radio tags with certain respective ones of the badges; said server disposed, upon establishing radio communication with one of the radio tags, and in the event that no radio badge is associated therewith in the database, to annunciate the lack of an associated radio badge; said server disposed, upon establishing radio communication with one of the radio tags, and in the event that a radio badge is associated therewith in the database, and in the event that no radio communication is established with the associated radio badge, to annunciate the lack of the radio badge; said server disposed, upon establishing radio communication with one of the radio tags, and in the event that a radio badge is associated therewith in the database, and in the event that radio communication is established with the associated radio badge, to annunciate the presence of the radio badge. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A system for use with a plurality of assets, each having a respective radio tag affixed thereto, each respective radio tag having a respective unique identifier, and with a plurality of users, each having a respective radio badge affixed thereto, each respective radio badge having a respective unique identifier, the system comprising:
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a portal through which a user and an asset may pass; an antenna adjacent said portal, the antenna disposed for radio communication with ones of the radio tags when they are nearby thereto and with ones of the radio badges when they are nearby thereto; a server communicatively coupled with the antenna, said server comprising a database associating certain ones of the radio tags with certain respective ones of the badges; said server disposed, upon establishing radio communication with one of the radio tags, and in the event that no radio badge is associated therewith in the database, to annunciate the lack of an associated radio badge; said server disposed, upon establishing radio communication with one of the radio tags, and in the event that a radio badge is associated therewith in the database, and in the event that no radio communication is established with the associated radio badge, to annunciate the lack of the radio badge; said server disposed, upon establishing radio communication with one of the radio tags, and in the event that a radio badge is associated therewith in the database, and in the event that radio communication is established with the associated radio badge, to annunciate the presence of the radio badge. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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15. A method for use with a portal through which a user and an asset may pass, the portal having an antenna nearby thereto, each user associated with a radio badge, each radio badge having a unique identifier, the method comprising the steps of:
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establishing radio communication with a radio tag by means of the antenna, the radio tag affixed to an asset, the radio tag having a unique identifier; consulting a database communicatively coupled with the antenna, said consultation being in connection with the unique identifier of the radio tag with which radio communication has been established; in the event that no radio badge is associated in the database with the radio tag with which communication has been established, annunciating the lack of an associated radio tag. - View Dependent Claims (18, 21, 23)
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16. A method for use with a portal through which a user and an asset may pass, the portal having an antenna nearby thereto, each user associated with a radio badge, each radio badge having a unique identifier, the method comprising the steps of:
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establishing radio communication with a radio tag by means of the antenna, the radio tag affixed to an asset, the radio tag having a unique identifier; consulting a database communicatively coupled with the antenna, said consultation being in connection with the unique identifier of the radio tag with which radio communication has been established; in the event that a radio badge is associated in the database with the radio tag with which communication has been established, attempting to establish radio communication with the associated radio badge at the antenna; in the event that no radio communication is established with the associated radio badge, annunciating the lack of the associated radio tag. - View Dependent Claims (19, 22, 24)
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17. A method for use with a portal through which a user and an asset may pass, the portal having an antenna nearby thereto, each user associated with a radio badge, each radio badge having a unique identifier, the method comprising the steps of:
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establishing radio communication with a radio tag by means of the antenna, the radio tag affixed to an asset, the radio tag having a unique identifier; consulting a database communicatively coupled with the antenna, said consultation being in connection with the unique identifier of the radio tag with which radio communication has been established; in the event that a radio badge is associated in the database with the radio tag with which communication has been established, attempting to establish radio communication with the associated radio badge at the antenna; in the event that radio communication is established with the associated radio badge, annunciating the presence of the associated radio tag. - View Dependent Claims (20, 25)
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26. A plurality of apparatus, each apparatus comprising a ski and a respective radio tag integrally formed with the ski, the respective radio tag comprising a radio transceiver communicating at a frequency below one megahertz, each said respective radio tag having an identifier that is unique with respect to the other apparatus of the plurality of apparatus.
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27. A method comprising the steps of:
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losing, in snow, a ski, the ski having a radio tag integrally formed with the ski, the radio tag comprising a radio transceiver communicating at a frequency below one megahertz, the radio tag responsive to interrogation by RF communication; locating the ski by means of interrogation by directional RF communication. - View Dependent Claims (28)
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Specification