Communications device and tracking device with slotted antenna and related methods
First Claim
1. A communications device comprising:
- an electrically conductive antenna layer having a slotted opening therein, said slotted opening comprising a circular portion adjacent an inner portion of said electrically conductive antenna layer, and a slot portion coupled to said circular portion and opening outwardly to a perimeter of said electrically conductive antenna layer, said electrically conductive antenna layer comprising a plurality of antenna feed points being across said slotted opening and along a circumference of said circular portion;
a first dielectric layer adjacent said electrically conductive antenna layer;
at least one electrically conductive passive antenna tuning member adjacent said first dielectric layer;
a second dielectric layer adjacent said at least one electrically conductive passive antenna tuning member;
circuitry on said second dielectric layer; and
a plurality of electrically conductive vias extending through said first and second dielectric layers and coupling said circuitry and the plurality of antenna feed points.
1 Assignment
0 Petitions
Accused Products
Abstract
A communications device may include an electrically conductive antenna layer having a slotted opening therein extending from a medial portion and opening outwardly to a perimeter thereof, the electrically conductive antenna layer including antenna feed points. The communications device may include a first dielectric layer adjacent the electrically conductive antenna layer, an electrically conductive passive antenna tuning member adjacent the first dielectric layer, a second dielectric layer adjacent the electrically conductive passive antenna tuning member, circuitry adjacent the second dielectric layer, and electrically conductive vias extending through the first and second dielectric layers and coupling the circuitry and the antenna feed points.
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Citations
33 Claims
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1. A communications device comprising:
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an electrically conductive antenna layer having a slotted opening therein, said slotted opening comprising a circular portion adjacent an inner portion of said electrically conductive antenna layer, and a slot portion coupled to said circular portion and opening outwardly to a perimeter of said electrically conductive antenna layer, said electrically conductive antenna layer comprising a plurality of antenna feed points being across said slotted opening and along a circumference of said circular portion; a first dielectric layer adjacent said electrically conductive antenna layer; at least one electrically conductive passive antenna tuning member adjacent said first dielectric layer; a second dielectric layer adjacent said at least one electrically conductive passive antenna tuning member; circuitry on said second dielectric layer; and a plurality of electrically conductive vias extending through said first and second dielectric layers and coupling said circuitry and the plurality of antenna feed points. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A communications device comprising:
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a circularly-shaped electrically conductive antenna layer having a keyhole-shaped slotted opening therein, said keyhole-shaped slotted opening comprising a circular portion adjacent an inner portion of said circularly-shaped electrically conductive antenna layer, and a slot portion coupled to said circular portion and opening outwardly to a perimeter of said circularly-shaped electrically conductive antenna layer, said circularly-shaped electrically conductive antenna layer comprising a plurality of antenna feed points being across said keyhole-shaped slotted opening and along a circumference of said circular portion; a first circularly-shaped dielectric layer adjacent said circularly-shaped electrically conductive antenna layer; at least one electrically conductive passive antenna tuning member adjacent said first circularly-shaped dielectric layer; a second circularly-shaped dielectric layer adjacent said at least one electrically conductive passive antenna tuning member; circuitry on said second circularly-shaped dielectric layer; and a plurality of electrically conductive vias extending through said first and second circularly-shaped dielectric layers and coupling said circuitry and the plurality of antenna feed points. - View Dependent Claims (13, 14, 15, 16)
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17. A tracking device comprising:
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a housing; a pressure-sensitive adhesive layer on an exterior of said housing; an electrically conductive antenna layer carried by said housing and having a slotted opening therein, said slotted opening comprising a circular portion adjacent an inner portion of said electrically conductive antenna layer, and a slot portion coupled to said circular portion and opening outwardly to a perimeter of said electrically conductive antenna layer, said electrically conductive antenna layer comprising a plurality of antenna feed points being across said slotted opening and along a circumference of said circular portion; a first dielectric layer carried by said housing and adjacent said electrically conductive antenna layer; at least one electrically conductive passive antenna tuning member carried by said housing and adjacent said first dielectric layer; a second dielectric layer carried by said housing and adjacent said at least one electrically conductive passive antenna tuning member; a wireless tracking circuit on said second dielectric layer; and a plurality of electrically conductive vias extending through said first and second dielectric layers and coupling said wireless tracking circuit and the plurality of antenna feed points. - View Dependent Claims (18, 19, 20)
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21. A method of making a communications device comprising:
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forming an electrically conductive antenna layer having a slotted opening therein, the slotted opening comprising a circular portion adjacent an inner portion of the electrically conductive antenna layer, and a slot portion coupled to the circular portion and opening outwardly to a perimeter of the electrically conductive antenna layer; forming a plurality of antenna feed points in the electrically conductive antenna layer across the slotted opening and along a circumference of the circular portion; positioning a first dielectric layer adjacent the electrically conductive antenna layer; forming at least one electrically conductive passive antenna tuning member adjacent the first dielectric layer; positioning a second dielectric layer adjacent the at least one electrically conductive passive antenna tuning member; positioning circuitry on the second dielectric layer; and forming a plurality of electrically conductive vias that extend through the first and second dielectric layers and couple the circuitry and the plurality of antenna feed points. - View Dependent Claims (22, 23, 24, 25)
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26. A communications device comprising:
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an electrically conductive antenna layer having a slotted opening therein, said slotted opening comprising a rectangle-shaped portion adjacent an inner portion of said electrically conductive antenna layer, and a slot portion coupled to said rectangle-shaped portion and opening outwardly to a perimeter of said electrically conductive antenna layer, said electrically conductive antenna layer comprising a plurality of antenna feed points being across said slotted opening, being on a perimeter of said rectangle-shaped portion, and adjacent an intersection of said rectangle-shaped portion and said slotted portion; a first dielectric layer adjacent said electrically conductive antenna layer; at least one electrically conductive passive antenna tuning member adjacent said first dielectric layer; a second dielectric layer adjacent said at least one electrically conductive passive antenna tuning member; circuitry on said second dielectric layer; and a plurality of electrically conductive vias extending through said first and second dielectric layers and coupling said circuitry and the plurality of antenna feed points. - View Dependent Claims (27, 28, 29)
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30. A method of making a communications device comprising:
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forming an electrically conductive antenna layer having a slotted opening therein, the slotted opening comprising a rectangle-shaped portion adjacent an inner portion of the electrically conductive antenna layer, and a slot portion coupled to the rectangle-shaped portion and opening outwardly to a perimeter of the electrically conductive antenna layer; forming a plurality of antenna feed points in the electrically conductive antenna layer and being across the slotted opening, being on a perimeter of the rectangle-shaped portion, and adjacent an intersection of the rectangle-shaped portion and the slotted portion; positioning a first dielectric layer adjacent the electrically conductive antenna layer; forming at least one electrically conductive passive antenna tuning member adjacent the first dielectric layer; positioning a second dielectric layer adjacent the at least one electrically conductive passive antenna tuning member; positioning circuitry on the second dielectric layer; and forming a plurality of electrically conductive vias that extend through the first and second dielectric layers and couple the circuitry and the plurality of antenna feed points. - View Dependent Claims (31, 32, 33)
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Specification