Multi-antenna element systems and related methods
First Claim
Patent Images
1. A radio frequency identification (RFID) tag comprising:
- an antenna system comprising;
a ground plane;
a first antenna element on a first side of the ground plane; and
a second antenna element on a second side of the ground plane opposite first antenna element, the second antenna element being electrically coupled to the first antenna element at a common feed point, wherein the first antenna element and the second antenna element each receive radio frequency signals; and
a first radio frequency identification circuit coupled to the first antenna element and the second antenna element at the common feed point.
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Abstract
Multi-Antenna element systems and related methods. At least some of the illustrative embodiments comprise a radio frequency identification (RFID) tag comprising an antenna system. The antenna system comprises a ground plane, a first antenna element on a first side of the ground plane, and a second antenna element on a second side of the ground plane opposite first antenna element. The illustrative RFID tag further comprises a first radio frequency identification circuit coupled to the first antenna element.
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Citations
12 Claims
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1. A radio frequency identification (RFID) tag comprising:
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an antenna system comprising; a ground plane; a first antenna element on a first side of the ground plane; and a second antenna element on a second side of the ground plane opposite first antenna element, the second antenna element being electrically coupled to the first antenna element at a common feed point, wherein the first antenna element and the second antenna element each receive radio frequency signals; and a first radio frequency identification circuit coupled to the first antenna element and the second antenna element at the common feed point. - View Dependent Claims (2)
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3. An apparatus comprising:
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a first radiative patch; a second radiative patch, wherein the second radiative path is electrically coupled to the first radiative patch, the first radiative patch and the second radiative patch sharing a common feed point for receiving a radio frequency signal that drives the first radiative patch and the second radiative patch; and a ground element disposed between the first and second radiative patches and electrically isolated from the radiative patches. - View Dependent Claims (4, 5, 6, 7, 8)
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9. A system comprising:
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a first means for receiving and sending electromagnetic waves; a second means for receiving and sending electromagnetic waves, the first and second means for receiving sharing an internally disposed means for insertion of a driving signal; and a means for limiting directionality of electromagnetic waves, the means for limiting being disposed between the first and second means for receiving, and the means for limiting being electrically isolated from the first and second means for receiving; wherein the first and second means for receiving are each configured to be driven at the means for insertion with a radio frequency signal. - View Dependent Claims (10, 11, 12)
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Specification