Security tag with three dimensional antenna array made from flat stock
First Claim
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1. An antenna configuration for use in a security tag that optimizes a receipt of a signal issued from an interrogator or reader, said antenna configuration comprising:
- a first dipole and a second dipole arranged in a non-parallel nor collinear configuration to form a plane comprising said first and second dipoles; and
a third dipole being positioned out of said plane and wherein said third dipole comprises a first antenna stub and a second antenna stub and wherein said plane comprises a first side and a second side and wherein said first and second sides are opposite each other, said first antenna stub being positioned out of said plane on said first side and said second antenna stub being positioned out of said plane on said second side.
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Abstract
A three-dimensional dipole antenna system for an RFID tag that optimizes detection for a given available volume in which to situate the RFID tag.
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Citations
20 Claims
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1. An antenna configuration for use in a security tag that optimizes a receipt of a signal issued from an interrogator or reader, said antenna configuration comprising:
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a first dipole and a second dipole arranged in a non-parallel nor collinear configuration to form a plane comprising said first and second dipoles; and a third dipole being positioned out of said plane and wherein said third dipole comprises a first antenna stub and a second antenna stub and wherein said plane comprises a first side and a second side and wherein said first and second sides are opposite each other, said first antenna stub being positioned out of said plane on said first side and said second antenna stub being positioned out of said plane on said second side. - View Dependent Claims (2, 3, 4, 5)
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6. An antenna configuration for use in a security tag that optimizes a receipt of a signal issued from an interrogator or reader, said antenna configuration comprising:
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a first dipole and a second dipole arranged in a non-parallel nor collinear configuration to form a plane comprising said first and second dipoles; and a third dipole being position out of said plane and wherein said first, second and third dipoles are formed as part of a web material and wherein said plane comprises said web material, said first and second dipoles being part of said web material and wherein said third dipole projects away from said web material. - View Dependent Claims (7, 8, 9, 10, 11, 12, 13, 14)
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15. A method of fabricating a three-dimensional antenna for a security tag for optimizing a receipt of a signal issued from an interrogator or reader, said method comprising the steps of:
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(a) providing a web material; (b) forming a first dipole and a second dipole on said web material, said first dipole and said second dipole formed to be non-parallel nor collinear with respect to each other; (c) forming a third dipole on said web material; (d) cutting said web material to free a portion of said third dipole from said web material; and (e) displacing said free portion out of said web material. - View Dependent Claims (16, 17, 18, 19, 20)
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Specification