Wireless charging and communications systems with dual-frequency patch antennas
First Claim
1. An electronic device that communicates wirelessly with an external device, comprising:
- millimeter wave wireless communications circuitry; and
a dual-polarization patch antenna that is coupled to the millimeter wave wireless communications circuitry and that is configured to communicate wirelessly with the external device, wherein the dual-polarization patch antenna comprises one of an array of dual-polarization patch antennas and the millimeter wave wireless communications circuitry comprises adjustable circuitry that performs beam steering with the array of dual-polarization patch antennas during millimeter wave wireless communications between the millimeter wave wireless communications circuitry and the external device.
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Abstract
An electronic device may be provided with wireless circuitry. The wireless circuitry may include one or more dual-frequency dual-polarization patch antennas. Each patch antenna may have a patch antenna resonating element that lies in a plane and a ground that lies in a different parallel plane. The patch antenna resonating element may have a first feed located along a first central axis and a second feed located along a second central axis that is perpendicular to the first central axis. The patch antenna resonating element may be rectangular, may be oval, or may have other shapes. A shorting pin may be located at an intersecting point between the first and second axes. The patch antennas may be used in beam steering arrays. The patch antennas may be used for wireless power transfer at microwave frequencies or other frequencies and may be used to support millimeter wave communications.
24 Citations
13 Claims
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1. An electronic device that communicates wirelessly with an external device, comprising:
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millimeter wave wireless communications circuitry; and a dual-polarization patch antenna that is coupled to the millimeter wave wireless communications circuitry and that is configured to communicate wirelessly with the external device, wherein the dual-polarization patch antenna comprises one of an array of dual-polarization patch antennas and the millimeter wave wireless communications circuitry comprises adjustable circuitry that performs beam steering with the array of dual-polarization patch antennas during millimeter wave wireless communications between the millimeter wave wireless communications circuitry and the external device. - View Dependent Claims (2, 3, 4, 5, 6)
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7. An electronic device, comprising:
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wireless circuitry; and an array of dual-polarization patch antennas coupled to the wireless circuitry, wherein the wireless circuitry includes adjustable circuitry that performs beam steering with the array of dual-polarization patch antennas, wherein each of the dual-polarization patch wherein the patch antenna resonating element and the ground lie in separate parallel planes, and wherein the patch antenna resonating element has first and second perpendicular central axes and first and second respective different dimensions along the first and second central axes. - View Dependent Claims (8, 9, 10)
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11. An electronic device that communicates wirelessly with an external device, comprising:
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millimeter wave wireless communications circuitry; and a dual-polarization patch antenna that is coupled to the millimeter wave wireless communications circuitry and that is configured to communicate wirelessly with the external device, wherein the dual-polarization patch antenna has a patch antenna resonating element and a ground, the patch antenna resonating element has first and second perpendicular central axes, dual-polarization patch antenna has a first feed that lies along the first central axis, and the dual-polarization patch antenna has a second feed that lies along the second central axis. - View Dependent Claims (12, 13)
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Specification