CN114447584A - Antenna and mobile terminal - Google Patents
Antenna and mobile terminal Download PDFInfo
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- CN114447584A CN114447584A CN202210112282.9A CN202210112282A CN114447584A CN 114447584 A CN114447584 A CN 114447584A CN 202210112282 A CN202210112282 A CN 202210112282A CN 114447584 A CN114447584 A CN 114447584A
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- 239000002184 metal Substances 0.000 claims abstract description 63
- 239000003990 capacitor Substances 0.000 claims description 10
- 230000005855 radiation Effects 0.000 abstract description 7
- 238000004891 communication Methods 0.000 abstract description 3
- 230000008859 change Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/48—Earthing means; Earth screens; Counterpoises
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
- H01Q13/10—Resonant slot antennas
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Abstract
The invention relates to the technical field of communication, in particular to an antenna and a mobile terminal, which comprise: a system ground; the closed metal ring surrounds the system ground, is arranged at intervals on the system ground to form at least one antenna seam, is electrically connected with the system ground at a first position and a second position of the metal ring, and forms a radiating body from the first position to the second position; the fixed ends of the first switch, the second switch, the third switch and the fourth switch are respectively arranged on a mainboard, the mainboard is electrically connected with a system, the movable ends of the second switch, the third switch and the fourth switch are connected in parallel on the metal ring at one side of the antenna slot, and the second grounding point G2 and the parallel point are positioned at the same side of the metal ring; the first grounding point G1, the feed point F1 and the matching unit M1 are arranged on the metal ring on the other side of the antenna seam, the matching unit is electrically connected with the feed point F1, the moving end of the first switch crosses the antenna seam to be connected with the feed point F1, and the antenna capable of improving the bandwidth and the radiation efficiency of the medium-high frequency antenna is provided.
Description
Technical Field
The invention relates to the technical field of communication, in particular to an antenna and a mobile terminal.
Background
In recent years, mobile communication technology has developed rapidly, and electronic devices such as mobile terminals have more and more abundant functions, so that people have more and more strong requirements for high-speed and low-delay data transmission and more important functions in life. Then, under the condition that the size of the mobile terminal tends to be light and thin, the space in the mobile phone is limited, but as the number of antennas increases, the supported frequency band increases, the carrier aggregation technology is widely applied, and the like, the antenna design of the mobile phone terminal will meet new challenges.
In the prior art, when a mobile terminal realizes multi-frequency and multi-mode, antennas in forms of adding an FPC (flexible printed circuit), an LDS (laser direct structuring) and the like are adopted, but the mobile terminal is limited by increasingly severe overall antenna environments, and is difficult to obtain better radiation performance in a wide frequency band; in addition, a tuner is used to adjust the aperture of an antenna or tune the impedance of the antenna, but in general, the tuner can only tune the aperture or tune the impedance of the antenna, so that the tuning flexibility is not high and the tuning effect is not good.
The technical problem actually solved by the invention is how to provide an antenna capable of improving the bandwidth and the radiation efficiency of a medium-high frequency antenna.
Disclosure of Invention
In order to overcome the technical defects, the present invention provides an antenna and a mobile terminal, which solve the technical problem of how to provide an antenna capable of improving the bandwidth and radiation efficiency of a medium-high frequency antenna.
The invention discloses an antenna, comprising:
a system ground;
the closed metal ring surrounds the system ground, is arranged at intervals on the system ground to form at least one antenna seam, is electrically connected with the system ground at a first position and a second position of the metal ring, forms a radiator from the first position to the second position on the metal ring, and is arranged in the area of the radiator seam;
the radiator is provided with a first grounding point G1, a second grounding point G2, a feed point F1, a matching unit M1, a mainboard, a first switch, a second switch, a third switch and a fourth switch;
the fixed ends of the first switch, the second switch, the third switch and the fourth switch are respectively arranged on the mainboard, the mainboard is electrically connected with the system, the movable ends of the second switch, the third switch and the fourth switch are connected in parallel on the metal ring at one side of the antenna slot, and the second grounding point G2 is arranged at the same side of the metal ring at which the movable ends of the second switch, the third switch and the fourth switch are connected in parallel;
the first grounding point G1, the feed point F1 and the matching unit M1 are arranged on the metal ring on the other side of the antenna slot, the matching unit is electrically connected with the feed point F1, and the moving end of the first switch strides over the antenna slot to be connected with the feed point F1.
Preferably, the first position, the first ground point G1, the second ground point G2, and the second position are arranged in sequence.
Preferably, the feeding point F1 on the metal ring on the other side of the antenna slot, and the connection points of the moving ends of the second switch, the third switch and the fourth switch, which are connected in parallel with the metal ring on one side of the antenna slot, are all close to the antenna slot.
Preferably, the matching unit M1 is composed of several capacitances and/or inductances.
Preferably, the first switch, the second switch, the third switch and the fourth switch are respectively provided with a capacitor.
Preferably, the first switch, the second switch, the third switch and the fourth switch are respectively provided with an inductor.
Preferably, the first switch, the second switch, the third switch and the fourth switch are respectively provided with a filter network consisting of a capacitor and an inductor.
Preferably, the metal ring is a metal frame or an LDS or FPC.
Preferably, the slot width of the antenna slot is not less than 0.5 mm.
Another objective of the present invention is to provide a mobile terminal, which is provided with the above-mentioned antenna.
After the technical scheme is adopted, compared with the prior art, the antenna has the advantages that the bandwidth and the radiation efficiency of the medium-high frequency antenna can be improved, the single switch is utilized to tune the aperture and the impedance of the antenna, the debugging is more flexible, and the mode excited by the antenna radiator is repeatedly utilized.
Drawings
Fig. 1 is a schematic view of an antenna of the present invention in the top portion of a mobile terminal;
FIG. 2 is a schematic diagram of a current path of an antenna of the present invention at the top of a mobile terminal;
FIG. 3 is a diagram of an antenna at the side of a mobile terminal according to the present invention;
fig. 4 is a schematic diagram of S parameters of an antenna in a mobile terminal according to the present invention.
Reference numerals:
1 is a metal ring, 101 is an antenna seam, 102 is a first position, 103 is a second position, 104 is a radiator, 1041 is a first grounding point G1, 1042 is a second grounding point G2, 1043 is a feeding point F1, 1044 is matching units M1, 1045 is a main board, 1046 is a first switch, 1047 is a second switch, 1048 is a third switch, 1049 is a fourth switch.
Detailed Description
The advantages of the invention are further illustrated in the following description of specific embodiments in conjunction with the accompanying drawings.
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.
The terminology used in the present disclosure is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. As used in this disclosure and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.
It is to be understood that although the terms first, second, third, etc. may be used herein to describe various information, such information should not be limited to these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the present disclosure. The word "if" as used herein may be interpreted as "at … …" or "when … …" or "in response to a determination", depending on the context.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.
In the description of the present invention, unless otherwise specified and limited, it is to be noted that the terms "mounted," "connected," and "connected" are to be interpreted broadly, and may be, for example, a mechanical connection or an electrical connection, a communication between two elements, a direct connection, or an indirect connection via an intermediate medium, and specific meanings of the terms may be understood by those skilled in the art according to specific situations.
In the following description, suffixes such as "module", "component", or "unit" used to denote elements are used only for facilitating the explanation of the present invention, and have no specific meaning in themselves. Thus, "module" and "component" may be used in a mixture.
Referring to fig. 1-2, the present embodiment provides an antenna, which can be applied to a mobile phone, a tablet, etc. in a mobile terminal, and the following description is made by taking the mobile phone as an example, and the antenna includes a system ground (not shown) and a closed metal ring 1. The metal ring 1 is arranged around the system and spaced on the system to form at least one antenna seam 101, and are electrically connected systematically at a first location 102 and a second location 103 of the metal ring 1, the metal ring 1 forming in part a radiator 104 from the first location 102 to the second location 103, and the antenna slots 101 formed by the metal ring 1 at intervals on the system ground are located in the radiator 104 formed by the metal ring 1 from the first position 102 to the second position 103, where the radiator 104 is shown as a dotted line in fig. 1-2, the first position 102 and the second position 103 are the contact part of the dotted line of the radiator 104 in fig. 1-2 and the metal ring 1, respectively, the first position 102 and the second position 103, specifically, the first position 102 is the contact position of the dotted line in fig. 1-2 and the top of the metal ring 1, and the second position 103 is the contact position of the dotted line in fig. 1-2 and the right side of the metal ring 1.
A radiator 104 formed by the metal ring 1 from the first position 102 to the second position 103 is provided with a first grounding point G11041, a second grounding point G21042, a feed point F11043, a matching unit M11044, a motherboard 1045, a first switch 1046, a second switch 1047, a third switch 1048 and a fourth switch 1049 as shown in fig. 1-2; wherein,
as shown in fig. 1-2, the main board 1045 is electrically connected to a system, which is generally a rear case (not shown) of the mobile terminal, the first switch 1046, the second switch 1047, the third switch 1048, and the fourth switch 1049 are all single-pole single-throw switches, the fixed ends of the first switch 1046, the second switch 1047, the third switch 1048, and the fourth switch 1048 are respectively disposed on the main board 1045, and the movable ends of the second switch 1047, the third switch 1048 and the fourth switch 1049 are connected in parallel to the metal ring 1 on one side of the antenna slot 101, and the connection points of the movable ends of the second switch 1047, the third switch 1048 and the fourth switch 1049 when connected in parallel on the metal ring 1 are in the area of the radiator 104, and the second grounding point G21042 is arranged at the same side of the second switch 1047, the third switch 1048 and the fourth switch 1049, the movable end of which is connected with the metal ring 1 in parallel, that is, the parallel connection point of the second switch 1047, the third switch 1048, the fourth switch 1049 and the metal ring 1 and the second grounding point G21042 are on the same side of the antenna slot 101; the first grounding point G11041, the feed point F11043 and the matching unit M11044 are arranged on the metal ring 1 on the other side of the antenna seam 101, the matching unit M11044 is electrically connected with the feed point F11043, the movable end of the first switch 1046 crosses the antenna seam 101 to be connected with the feed point F11043, namely, the first grounding point G11041, the feed point F11043, the parallel connection point of the movable end of the matching unit M11044 and the second switch 1047, the third switch 1048 and the fourth switch 1049 with the metal ring 1 and the second grounding point G21042 are respectively arranged on two sides of the antenna seam 101, the movable end of the first switch 1046 crosses the antenna seam 101 to be connected with the feed point F11043, the first grounding point G11041, the feed point F11043, the matching unit M11044, the first switch 1046, the second switch 1047, the third switch 1048 and the fourth switch 1049 are all arranged in a radiator 104 region formed by the metal ring 1 from the first position 102 to the second position 103.
It should be noted that the matching unit M1 is used for adjusting the antenna impedance; the feed point F1 is used for feeding and receiving radio frequency signals; the second switch, the third switch and the fourth switch are respectively used for tuning the aperture; the moving end of the first switch crosses the antenna slot to connect with the feed point, and then is used for impedance tuning.
It should be noted that, as shown in fig. 1, the first position 102, the first grounding point G11041, the second grounding point G21042, and the second position 103 are sequentially arranged, specifically, as shown in fig. 1, the radiator 104 region is in the upper right corner region of the mobile terminal, the antenna slot 101 is in the relative middle position of the radiator 104 region, the first grounding point G11041 is near the left side of the antenna slot, the first position 102 is near the left side of the first grounding point G11041, the second grounding point G21042 is near the right side of the antenna slot 101, the second position 103 is at the position where the second grounding point G21042 is far away from the antenna slot 101, and the parallel connection point of the movable end of the second switch 1047, the third switch 1048, and the fourth switch 1049 and the metal ring 1 is near the antenna slot 101 at the second grounding point G21042.
It should be noted that the feed point F11043 on the metal ring 1 disposed on one side of the antenna seam 101, the positions of the parallel connection point of the movable ends of the second switch 1047, the third switch 1048, and the fourth switch 1049 and the metal ring 1 on the metal ring 1 are all close to the antenna seam 101, and the first position 102, the second position 103, the first ground point G11041, and the second ground point G21042 are located away from the antenna seam 101 relative to the feed point F11043 and the parallel connection point of the movable ends of the second switch 1047, the third switch 1048, and the fourth switch 1049 and the metal ring 1.
It should be noted that the matching unit M11044 is composed of a plurality of capacitors and/or inductors to adjust the impedance of the antenna.
It should be noted that the first switch 1046, the second switch 1047, the third switch 1048, and the fourth switch 1049 are respectively provided with a capacitor, so as to change the length of the current path, and further adjust the frequency offset.
It should be noted that, inductors are respectively disposed on the first switch 1046, the second switch 1047, the third switch 1048, and the fourth switch 1049, so as to change the length of a current path, and further adjust the frequency offset.
It should be noted that the first switch 1046, the second switch 1047, the third switch 1048, and the fourth switch 1049 are respectively provided with a filter network composed of a capacitor and an inductor, so as to change the length of a current path, and further adjust the frequency offset.
The metal ring 1 includes, but is not limited to, a metal frame, LDS, FPC, or other material.
Note that the slot width of the antenna slot 101 is not less than 0.5mm, and the antenna slot 101 is formed by dielectric filling.
The invention further provides a mobile terminal, and the antenna is arranged on the mobile terminal.
Referring to fig. 3, the present embodiment provides an antenna, that is, the antenna is located at a side position of the mobile terminal. Referring to fig. 1-2, an antenna is provided as a location of the top of the mobile terminal.
Specifically, the method comprises the following steps:
the ground is used for the system ground to be,
the antenna comprises a closed metal ring 1, wherein the metal ring 1 surrounds a system ground and is arranged on the system ground at intervals to form at least one antenna slot 101, the antenna slot 101 is electrically connected with the system ground at a first position 102 and a second position 103 of the metal ring 1, a radiator 104 is formed on the metal ring 1 from the first position 102 to the second position 103, and the antenna slot 101 is arranged in the area of the radiator 104.
A first grounding point G11041, a second grounding point 1042, a feed point F11043, a matching unit M11044, a mainboard 1045, a first switch 1046, a second switch 1047, a third switch 1048 and a fourth switch 1049 are arranged on the radiator 104;
the main board 1045 is electrically connected to a system, which is generally a rear case of the mobile terminal, the fixed ends of the first switch 1046, the second switch 1047, the third switch 1048 and the third switch 1049 are respectively arranged on the main board 1045, the movable ends of the second switch 1046, the third switch 1047 and the fourth switch 1048 are connected in parallel to the metal ring 1 on one side of the antenna slot 101, and the second grounding point G21042 is arranged on the movable ends of the second switch 1046, the third switch 1047 and the fourth switch 1048 and is connected in parallel to the same side of the metal ring 1; a first grounding point G11041, a feed point F11043 and a matching unit M11044 are arranged on the metal ring 1 at the other side of the antenna seam 101, the matching unit M11044 is electrically connected with the feed point F11043, the moving end of the first switch 1046 crosses the antenna seam 101 to connect the feed point F11043, the first switch M11044 is electrically connected with the feed point F11043,
Specifically, referring to fig. 3, the metal ring 1 forms a radiator 104 from a first position 102 to a second position 103, the radiator 104 is specifically formed as a dotted line portion in fig. 3, the first position 102, a second grounding point G21042, a first grounding point G11041, and the second position 103 are sequentially disposed, specifically, the first position 102 is far from the top of the antenna slot 101 in the radiator 104, the second grounding point G21042 is on the same side of the first position 102, the second grounding point G21042 is close to the antenna slot 101 relative to the first position 102, and the parallel connection points of the movable ends of the second switch 1047, the third switch 1048, and the fourth switch 1049 and the metal ring 1 are on the same side of the second grounding point G21042 on the antenna slot 101, and the parallel connection points of the second switch 1047, the third switch 1048, the fourth switch 1049 and the metal ring 1 are close to the antenna slot 101 relative to the second grounding point G21042; the second position 103 is farther from the bottom of the antenna slot 101 in the radiator 104, the first grounding point G11041 is on the same side of the second position 103, and the first grounding point G11041 is closer to the antenna slot 101 than the first position 102, and the feeding point F11043 is on the same side of the first grounding point G11041, and the feeding point F11043 is closer to the antenna slot 101 than the first grounding point G11041.
It should be noted that the matching unit M11044 is composed of a plurality of capacitors and/or inductors to adjust the antenna impedance.
It should be noted that the first switch 1046, the second switch 1047, the third switch 1048, and the fourth switch 1049 are respectively provided with a capacitor, so as to change the length of the current path, and further adjust the frequency offset.
It should be noted that, inductors are respectively disposed on the first switch 1046, the second switch 1047, the third switch 1048, and the fourth switch 1049, so as to change the length of a current path, and further adjust the frequency offset.
It should be noted that the first switch 1046, the second switch 1047, the third switch 1048, and the fourth switch 1049 are respectively provided with a filter network composed of a capacitor and an inductor, so as to change the length of a current path, and further adjust the frequency offset.
The metal ring 1 includes, but is not limited to, a metal frame, LDS, FPC, or other material.
Note that the slot width of the antenna slot 101 is not less than 0.5mm, and the antenna slot is formed by dielectric filling.
The invention further provides a mobile terminal, and the antenna is arranged on the mobile terminal.
It should be noted that the above embodiments are provided with the radiation 104 on the top or left side of the mobile terminal, respectively, but the antenna provided by the present invention may also be arranged on the bottom and right side of the mobile terminal.
Referring to fig. 4, in a certain type of terminal with S parameters of the antenna, the antenna scheme utilizes an aperture tuning cross-slit quarter mode resonance point, utilizes a switch to perform impedance tuning to a left-hand mode resonance point by way of main path matching, and can simultaneously perform impedance tuning and aperture tuning on multiple switches. The method comprises the following specific steps: 1) the left-hand mode of the initial state covers B3, the quarter mode covers B41 (corresponding to S11 in the figure); 2) by means of tuning through the malformed impedance, the resonance point of the left-hand mode is cut from B3 to be close to B40, and the resonance points of the left-hand mode and the quarter mode are at high frequency, so that better radiation performance is obtained (corresponding to S22 in FIG. 3); 3) with the switch double-pass, impedance tuning and aperture tuning performed simultaneously, the left-hand mode resonance is switched to B1 (corresponding to S33 in the figure).
The mobile terminal may be implemented in various forms. For example, the terminal described in the present invention may include a mobile terminal such as a mobile phone, a smart phone, a notebook computer, a PDA (personal digital assistant), a PAD (tablet computer), a PMP (portable multimedia player), a navigation device, and the like, and a fixed terminal such as a digital TV, a desktop computer, and the like. In the following, it is assumed that the terminal is a mobile terminal. However, it will be understood by those skilled in the art that the configuration according to the embodiment of the present invention can be applied to a fixed type terminal in addition to elements particularly used for moving purposes.
It should be noted that the embodiments of the present invention have been described in terms of preferred embodiments, and not by way of limitation, and that those skilled in the art can make modifications and variations of the embodiments described above without departing from the spirit of the invention.
Claims (10)
1. An antenna, comprising:
a system ground;
the closed metal ring surrounds the system ground, is arranged at intervals on the system ground to form at least one antenna seam, is electrically connected with the system ground at a first position and a second position of the metal ring, forms a radiator from the first position to the second position on the metal ring, and has the antenna seam in the radiator area;
the radiator is provided with a first grounding point G1, a second grounding point G2, a feed point F1, a matching unit M1, a mainboard, a first switch, a second switch, a third switch and a fourth switch;
the fixed ends of the first switch, the second switch, the third switch and the fourth switch are respectively arranged on the mainboard, the mainboard is electrically connected with the system, the movable ends of the second switch, the third switch and the fourth switch are connected in parallel on the metal ring at one side of the antenna seam, and the second grounding point G2 is arranged at the same side of the movable ends of the second switch, the third switch and the fourth switch which are connected in parallel with the metal ring;
the first grounding point G1, the feed point F1 and the matching unit M1 are arranged on the metal ring on the other side of the antenna slot, the matching unit is electrically connected with the feed point F1, and the moving end of the first switch strides over the antenna slot to be connected with the feed point F1.
2. The antenna of claim 1, wherein the first position, the first ground point G1, the second ground point G2, and the second position are arranged in sequence along a circumferential direction of the metal ring.
3. The antenna of claim 1, wherein the connection points of the feed point F1 on the metal ring on the other side of the antenna slot, the second switch, the third switch and the fourth switch, which are connected in parallel with the metal ring on one side of the antenna slot, are all close to the antenna slot.
4. The antenna according to claim 1, characterized in that the matching element M1 is composed of several capacitances and/or inductances.
5. The antenna of claim 1, wherein the first switch, the second switch, the third switch, and the fourth switch are respectively provided with a capacitor.
6. The antenna of claim 1, wherein the first switch, the second switch, the third switch, and the fourth switch are respectively provided with an inductor.
7. The antenna of claim 1, wherein the first switch, the second switch, the third switch, and the fourth switch are respectively provided with a filter network composed of a capacitor and an inductor.
8. The antenna of claim 1, wherein the metal ring is a metal bezel or an LDS or FPC.
9. The antenna of claim 1, wherein the slot width of the antenna seam is not less than 0.5 mm.
10. A mobile terminal, characterized in that it is provided with an antenna according to any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210112282.9A CN114447584A (en) | 2022-01-29 | 2022-01-29 | Antenna and mobile terminal |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210112282.9A CN114447584A (en) | 2022-01-29 | 2022-01-29 | Antenna and mobile terminal |
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| CN114447584A true CN114447584A (en) | 2022-05-06 |
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| CN202210112282.9A Pending CN114447584A (en) | 2022-01-29 | 2022-01-29 | Antenna and mobile terminal |
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| CN109004367A (en) * | 2018-07-27 | 2018-12-14 | 南昌黑鲨科技有限公司 | Broadband antenna unit and mobile terminal |
| WO2021179825A1 (en) * | 2020-03-12 | 2021-09-16 | Oppo广东移动通信有限公司 | Antenna assembly and electronic device |
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2022
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|---|---|---|---|---|
| CN107293855A (en) * | 2016-03-30 | 2017-10-24 | 比亚迪股份有限公司 | Antenna and the mobile terminal with it |
| CN106374230A (en) * | 2016-09-30 | 2017-02-01 | 乐视控股（北京）有限公司 | Mobile terminal built-in antenna and mobile terminal |
| CN107453055A (en) * | 2017-05-02 | 2017-12-08 | 瑞声科技(新加坡)有限公司 | Antenna and mobile terminal |
| CN109004367A (en) * | 2018-07-27 | 2018-12-14 | 南昌黑鲨科技有限公司 | Broadband antenna unit and mobile terminal |
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Application publication date: 20220506 |