Planar inverted F antennas including current nulls between feed and ground couplings and related communications devices
First Claim
1. A planar inverted F antenna configured for operation at an operating frequency band, the planar inverted F antenna comprising:
- first and second conductive antenna segments wherein the first and second conductive antenna segments are separated by at least approximately 3 mm;
a third conductive antenna segment coupling the first and second conductive antenna segments;
a reference voltage coupling on the first conductive antenna segment; and
a feed coupling on the first conductive antenna segment, wherein a current null is present on the first conductive antenna segment between the feed and reference voltage couplings at the operating frequency band.
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Accused Products
Abstract
A planar inverted F antenna may be configured for operation at an operating frequency band, and the planar inverted F antenna may include first, second, and third antenna segments, a reference voltage coupling, and a feed coupling. The first and second antenna segments may be separated by at least approximately 3 mm, and the third antenna segment may couple the first and second antenna segments. The reference voltage and feed couplings may both be provided on the first antenna segment, and a current null may be present between the feed and reference voltage couplings at the operating frequency band. Related communications devices are also discussed.
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Citations
58 Claims
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1. A planar inverted F antenna configured for operation at an operating frequency band, the planar inverted F antenna comprising:
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first and second conductive antenna segments wherein the first and second conductive antenna segments are separated by at least approximately 3 mm; a third conductive antenna segment coupling the first and second conductive antenna segments; a reference voltage coupling on the first conductive antenna segment; and a feed coupling on the first conductive antenna segment, wherein a current null is present on the first conductive antenna segment between the feed and reference voltage couplings at the operating frequency band. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A planar inverted F antenna comprising:
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a conductive antenna element; a feed coupling on the conductive antenna element; and first and second reference voltage couplings on the conductive antenna element wherein an electrical distance between the feed coupling and the first reference voltage couplings is less than an electrical distance between the first and second reference voltage couplings and wherein an electrical distance between the feed coupling and the second reference voltage coupling is less than the electrical distance between the first and second reference voltage couplings. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29)
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30. A communications device comprising:
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a transceiver configured to transmit and/or receive radio communications at an operating frequency band, the transceiver providing a reference voltage and a transceiver feed; and a planar inverted F antenna configured for operation at the operating frequency band, the planar inverted F antenna including first and second conductive antenna segments wherein the first and second conductive antenna segments are separated by at least approximately 3 mm, a third conductive antenna segment coupling the first and second conductive antenna segments, a reference voltage coupling on the first conductive antenna segment wherein the reference voltage coupling of the planar inverted F antenna is coupled to the reference voltage of the transceiver, and a feed coupling on the first conductive antenna segment wherein the feed coupling of the planar inverted F antenna is coupled to the transceiver feed and wherein a current null is present on the first conductive antenna segment between the feed and reference voltage couplings at the operating frequency band. - View Dependent Claims (31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43)
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44. A communications device comprising:
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a transceiver configured to transmit and/or receive radio communications at an operating frequency band, the transceiver providing a reference voltage and a transceiver feed; and a planar inverted F antenna including a conductive antenna element, a feed coupling on the conductive antenna element wherein the feed coupling is coupled to the transceiver feed, and first and second reference voltage couplings on the conductive antenna element wherein the first and second reference voltage couplings are coupled to the reference voltage of the transceiver and wherein an electrical distance between the feed coupling and the first reference voltage couplings is less than an electrical distance between the first and second reference voltage couplings and wherein an electrical distance between the feed coupling and the second reference voltage coupling is less than the electrical distance between the first and second reference voltage couplings. - View Dependent Claims (45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58)
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Specification