Wireless charging and communications systems with dual-frequency patch antennas
First Claim
1. An electronic device, comprising:
- wireless circuitry configured to handle wireless signals at a frequency between 10 GHz and 400 GHz;
an antenna coupled to the wireless circuitry and configured to convey the wireless signals for the wireless circuitry, wherein the antenna comprises an antenna resonating element, an antenna ground, a first antenna feed having a first feed terminal coupled to the antenna resonating element, and a second antenna feed having a second feed terminal coupled to the antenna resonating element; and
phase and magnitude adjustment circuitry coupled to the first and second feed terminals.
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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.
12 Citations
25 Claims
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1. An electronic device, comprising:
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wireless circuitry configured to handle wireless signals at a frequency between 10 GHz and 400 GHz; an antenna coupled to the wireless circuitry and configured to convey the wireless signals for the wireless circuitry, wherein the antenna comprises an antenna resonating element, an antenna ground, a first antenna feed having a first feed terminal coupled to the antenna resonating element, and a second antenna feed having a second feed terminal coupled to the antenna resonating element; and phase and magnitude adjustment circuitry coupled to the first and second feed terminals. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. An electronic device comprising:
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wireless circuitry that is configured to transmit signals at a frequency between 10 GHz and 400 GHz; and an antenna that is coupled to the wireless circuitry and that comprises an antenna resonating element and a ground, wherein the antenna resonating element has first and second perpendicular central axes, the antenna has a first feed that lies along the first central axis, the antenna has a second feed that lies along the second central axis, the first and second central axes intersect at an intersection point, and the antenna comprises a shorting pin that shorts the antenna resonating element to the ground at the intersection point. - View Dependent Claims (12, 13, 14, 15, 16, 17)
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18. An electronic device, comprising:
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wireless circuitry; and an array of patch antennas coupled to the wireless circuitry, wherein each patch antenna in the array is a dual-polarization patch antenna that comprises an antenna resonating element and first and second feed terminals coupled to the antenna resonating element and the wireless circuitry includes adjustable circuitry that performs beam steering with the array of patch antennas. - View Dependent Claims (19, 20, 21, 22, 23, 24, 25)
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Specification