Radio frequency identification with a slot antenna
First Claim
Patent Images
1. A radio frequency identification (REID) device comprising:
- a slot antenna the slot antenna comprising;
a substantially planar first substrate; and
at least one slot disposed in the first substrate, the at least one slot having a predetermined length in a first direction; and
a strap disposed in a second direction across the slot, the second direction differing from the first direction, the strap including;
a second substrate;
an integrated circuit; and
at least two conductive feedlines, the at least two conductive feedlines electrically coupling the integrated circuit to the slot antenna.
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Abstract
Techniques for a radio frequency identification (RFID) device are provided. The device includes a slot antenna having at least one slot disposed in a first substrate. A strap is disposed across the slot. The strap includes a second substrate and an integrated circuit. The integrated circuit is electrically coupled to the slot antenna. In a specific embodiment, a thickness of a metal slot antenna is at least ¼th an inch. The RFID device can also be associated with a location, and be attached to a pallet rack.
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Citations
36 Claims
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1. A radio frequency identification (REID) device comprising:
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a slot antenna the slot antenna comprising; a substantially planar first substrate; and at least one slot disposed in the first substrate, the at least one slot having a predetermined length in a first direction; and a strap disposed in a second direction across the slot, the second direction differing from the first direction, the strap including; a second substrate; an integrated circuit; and at least two conductive feedlines, the at least two conductive feedlines electrically coupling the integrated circuit to the slot antenna. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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21. A pallet rack comprising:
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at least one shelf at least one radio frequency identification (REID) device associated with the pallet rack, the REID device comprising; a first substrate; a slot disposed in the first substrate, the slot having a predetermined length in a first direction; a second substrate disposed in a second direction across the slot, the first direction differing from the second direction; an integrated circuit coupled to the second substrate; and at least two contact pads, the at least two contact pads electrically coupling the integrated circuit to the first substrate. - View Dependent Claims (22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36)
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Specification