Production tool having RFID device mounted within a dielectric inclusion
First Claim
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1. Apparatus comprising a portable production tool having a dielectric inclusion, the dielectric inclusion including a cavity within a portion of the tool;
- and an RFID device mounted within the cavity, the RFID device including an antenna located entirely within the cavity, the dielectric inclusion configured to cause electromagnetic waves incident on the tool to create reflected waves, the incident and reflected waves undergoing constructive interference to extend communications range of the RFID device.
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Abstract
A production tool has a dielectric inclusion, and an RFID device mounted within the dielectric inclusion.
22 Citations
20 Claims
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1. Apparatus comprising a portable production tool having a dielectric inclusion, the dielectric inclusion including a cavity within a portion of the tool;
- and an RFID device mounted within the cavity, the RFID device including an antenna located entirely within the cavity, the dielectric inclusion configured to cause electromagnetic waves incident on the tool to create reflected waves, the incident and reflected waves undergoing constructive interference to extend communications range of the RFID device.
- View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 20)
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10. A portable production tool comprising:
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a solid dielectric portion having inner walls that define a dielectric inclusion; and an RFID device within the dielectric inclusion, the RFID device attached to one of the inner walls; the dielectric inclusion configured to create a discontinuity that causes incident electromagnetic waves generated by the RFID device to undergo reflections, which undergo constructive interference with the incident waves. - View Dependent Claims (11, 12, 13, 14)
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15. A factory comprising:
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a plurality of portable production tools at various locations within the factory, each tool having a portion containing a dielectric inclusion, the dielectric inclusion including a cavity, and an RFID device including an antenna entirely within the cavity, each RFID device storing information about its corresponding tool, the dielectric inclusion configured to create a discontinuity in the tool portion, which causes electromagnetic waves incident on the tool to create reflected waves, the incident and reflected waves undergoing constructive interference to extend communications range of the RFID device; a plurality of RFID readers distributed within the factory; and a processing system, responsive to the readers, for tracking the locations of the tools within the factory. - View Dependent Claims (16, 17, 18, 19)
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Specification