KR-102963251-B1 - MULTIFEED ANTENNA SYSTEM WITH CAPACITIVELY COUPLED FEED ELEMENTS

Abstract

An antenna system, such as a multifeed antenna system, may include at least one antenna feed element. The antenna system may include an antenna loop element. At least one antenna feed element may be capacitively coupled to the antenna loop element. At least one antenna feed element may include one or more capacitive coupling regions. One or more capacitive coupling regions may form at least a portion of the capacitive coupling of at least one antenna feed element to the antenna loop element.

Inventors

• 파조나 올리비에

Assignees

• 교세라 에이브이엑스 컴포넌츠(샌디에고)인코포레이티드

Dates

Publication Date

20260508

Application Date

20210715

Priority Date

20200728

Claims (20)

1. As an antenna system An antenna loop element extending between the first end and the second end, A first separated magnetic dipole (IMD) antenna feed element capacitively coupled to an antenna loop element, A second IMD antenna feed element capacitively coupled to an antenna loop element, A first tuning element coupled to a first IMD antenna feed element and configured to change electrical characteristics in the first IMD antenna feed element, A second tuning element coupled to a second IMD antenna feed element and configured to change electrical characteristics in the second IMD antenna feed element, A third tuning element coupled to the first end of the grounding structure and the antenna loop element, and configured to change the electrical characteristics of the antenna loop element, It includes a fourth tuning element coupled to the second end of the grounding structure and the antenna loop element and configured to change the electrical characteristics of the antenna loop element, and The first IMD antenna feed element includes one or more capacitive coupling regions, wherein the one or more capacitive coupling regions form at least a portion of the capacitive coupling with respect to the antenna loop element of the first IMD antenna feed element, and An antenna system in which a second IMD antenna feed element includes one or more capacitive coupling regions, wherein the one or more capacitive coupling regions form at least a portion of the capacitive coupling to the antenna loop element of the second IMD antenna feed element.
2. An antenna system according to claim 1, wherein the first IMD antenna feed element is associated with a first frequency and the second IMD antenna feed element is associated with a second frequency, wherein the second frequency is different from the first frequency.
3. An antenna system according to claim 2, wherein the first IMD antenna feed element is configured to filter a second frequency.
4. An antenna system according to claim 1, wherein the first IMD antenna feed element and the second IMD antenna feed element are planar.
5. In claim 1, Each of the first IMD antenna feed element and the second IMD antenna feed element includes a plurality of conductor portions, and the plurality of conductor portions are, A first conductor portion extending in the first direction; A second conductor portion extending from a first conductor portion in a second direction orthogonal to a first direction; A third conductor portion extending from the second conductor portion in a third direction opposite to the first direction; A fourth conductor portion extending from the third conductor portion in a fourth direction opposite to the second direction; A fifth conductor portion extending in a first direction from a fourth conductor portion; and It includes a sixth conductor portion extending in a second direction from a fifth conductor portion, and A first capacitive coupling region is formed between the second conductor portion and the sixth conductor portion, and The second capacitance coupling region is an antenna system formed between the fourth conductor portion and the sixth conductor portion.
6. An antenna system according to claim 5, wherein the second conductor portion is parallel to the antenna loop element.
7. An antenna system according to claim 5, wherein the width of each of the plurality of conductor portions is the same.
8. An antenna system according to claim 5, wherein the first conductor portion includes a feed end, the feed end is coupled to an RF circuit and configured to receive and transmit a feed signal of the RF circuit.
9. An antenna system according to claim 1, wherein the grounding structure includes a ground plane.
10. An antenna system according to claim 1, wherein a first IMD antenna feed element is spaced apart from an antenna loop element by a first gap having a first width, and a second IMD antenna feed element is spaced apart from an antenna loop element by a second gap having a second width, wherein the second width is different from the first width.
11. An antenna system according to claim 1, wherein a first IMD antenna feed element, a second IMD antenna feed element, and an antenna loop element are formed on a substrate.
12. An antenna system according to claim 1, wherein a first IMD antenna feed element, a second IMD antenna feed element, and an antenna loop element are formed on a three-dimensional support structure.
13. In claim 12, the three-dimensional support structure, First surface; A second surface opposite the first surface; and It includes a third surface orthogonal to the first surface and the second surface, and An antenna system in which a first IMD antenna feed element, a second IMD antenna feed element, and a first portion of an antenna loop element are formed on a first surface, a second portion of an antenna loop element is formed on a second surface, and a third portion of an antenna loop element is formed on a third surface.
14. An antenna system according to claim 1, further comprising an RF circuit coupled to a first IMD antenna feed element and a second IMD antenna feed element.
15. delete
16. delete
17. delete
18. delete
19. delete
20. delete

Description

Multifeed antenna system with capacitively coupled feed elements This application claims priority to U.S. Provisional Application No. 63/057,308 of July 28, 2020, titled “Multifeed antenna system having capacitively coupled feed elements,” which is incorporated into this application by reference. Exemplary embodiments of the present disclosure are primarily related to the field of antenna systems, such as multifeed antenna systems equipped with capacitively coupled feed elements. An antenna system can propagate and/or receive electromagnetic waves transmitted through air and/or other materials from a source to a destination. Various types of materials can affect how electromagnetic waves propagate. The aspects and advantages of the embodiments of the present disclosure may be described below, or may be known from therein, or may be known through the implementation of the embodiments. One exemplary aspect of the present disclosure relates to an antenna system such as a multifeed antenna system. The antenna system may include at least one antenna feed element. The antenna system may include an antenna loop element. At least one antenna feed element may be capacitively coupled to the antenna loop element. At least one antenna feed element may include one or more capacitively coupled regions. One or more capacitively coupled regions may form at least a portion of the capacitive coupling of at least one antenna feed element to the antenna loop element. Another exemplary aspect of the present disclosure relates to a mobile device configured for RF communication. The mobile device may include a screen configured to display information to a user. The mobile device may include one or more user input components configured to receive input from a user. The mobile device may include one or more memory devices configured to store data that can be interpreted by a computer. The mobile device may include a processor configured to perform calculation commands. The mobile device may include an antenna system, for example, an antenna system comprising at least one antenna feed element having one or more capacitive coupling regions, and an antenna loop element capacitively coupled to at least one antenna feed element. Other aspects of the present disclosure relate to various systems, devices, non-transient computer-readable media, user interfaces, and electronic devices. These and other features, aspects, and advantages of the various embodiments of the present disclosure will be better understood by referring to the detailed description below and the accompanying drawings. The accompanying drawings, which are included in and form part of this specification, serve to illustrate exemplary embodiments of the present disclosure and, together with the detailed description, explain the relevant principles. Detailed discussions intended for persons skilled in the art are described in the specification, which was prepared with reference to the attached drawings. FIG. 1 illustrates an exemplary multifeed antenna system having a plurality of antenna feed elements having one or more capacitance coupling regions according to an exemplary embodiment of the present disclosure. FIG. 2 illustrates an exemplary multi-feed antenna system having a plurality of antenna feed elements having one or more capacitance coupling regions according to an exemplary embodiment of the present disclosure. FIG. 3a illustrates an exemplary three-dimensional multi-feed antenna system having a plurality of antenna feed elements having one or more capacitance coupling regions according to an exemplary embodiment of the present disclosure. FIG. 3b is a front view illustrating an exemplary three-dimensional multifeed antenna system of FIG. 3a according to an exemplary embodiment of the present disclosure. FIG. 4 is a front view illustrating an exemplary feed element according to an exemplary embodiment of the present disclosure. Reference numbers repeated in multiple drawings are intended to identify the same features in various embodiments. Refer to the embodiments in detail, as one or more examples of the embodiments are illustrated in the drawings. Each example is provided to illustrate the embodiments, not to limit the invention. In fact, it will be obvious to those skilled in the art that various modifications and changes to the embodiments may be made without departing from the scope or spirit of the present disclosure. For example, features exemplified or described as part of one embodiment may be used in conjunction with other embodiments to create another embodiment. Accordingly, aspects of the present disclosure are meant to include such modifications and variations. Exemplary embodiments of the present disclosure relate to antenna systems used for radio frequency (RF) communication. For many devices, such as mobile devices, the efficiency of antenna systems used for RF communication may be limited due to spatial constraints. For example, there may be li