CN208539110U - A kind of electronic equipment and its antenna assembly - Google Patents
A kind of electronic equipment and its antenna assembly Download PDFInfo
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- CN208539110U CN208539110U CN201821274446.3U CN201821274446U CN208539110U CN 208539110 U CN208539110 U CN 208539110U CN 201821274446 U CN201821274446 U CN 201821274446U CN 208539110 U CN208539110 U CN 208539110U
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- magnetic piece
- communication coil
- field communication
- antenna assembly
- coil
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Abstract
A kind of electronic equipment and its antenna assembly, wherein the antenna assembly includes: the first magnetic piece, has opposite front and back;Wireless charging communication coil, positioned at the front of the first magnetic piece;Second magnetic piece, is set side by side with the first magnetic piece and has opposite front and back, and the front of the first magnetic piece and the front of the second magnetic piece are in the same direction;Near-field communication coil, it is wound on the second magnetic piece, wherein, near-field communication coil includes multiturn conducting wire, for each circle conducting wire, the distance of first conductor part to the first magnetic piece is greater than the distance of the second conductor part to the first magnetic piece, and the first conductor part is conducting wire close to the positive part of the second magnetic piece, and the second conductor part is part of the conducting wire close to the back side of the second magnetic piece.Antenna assembly provided by the utility model can integrated wireless charge function and wireless communication function, and for realizing the coil of each function it is mutual interfere with each other it is small.
Description
Technical field
The utility model relates to antenna technical fields, more particularly to a kind of electronic equipment and its antenna assembly.
Background technique
Using RF tag (Radio Frequency Identification, abbreviation RFID), near-field communication (Near
Field Communication, abbreviation NFC) etc. in the electronic equipment of technologies, be usually all integrated with antenna assembly, with and it is external
Equipment is communicated.Antenna assembly is usually formed by multiturn conducting wire coiling, to carry out inductively to electromagnetic field.On the other hand,
More and more electronic equipments start to be equipped with wireless charging communication coil also to support wireless charging function.
In the prior art, Chinese patent literature CN107134649A discloses a kind of coil antenna mould group and its production side
Method can be realized coexisting for Wireless charging coil and near-field communication coil, that is, can be integrated in the coil of two kinds of functions together
In one antenna assembly, to reach the electronic equipment of device miniaturization purpose.But in the antenna assembly of this design acquisition,
The opening portion (i.e. flux signal most strength) of Wireless charging coil and near-field communication coil coincides, near-field communication coil
Signal will receive Wireless charging coil generation induced current influence so that the signal interference between two kinds of coils is serious,
And then cause the inductive effects for being equipped with the electronic equipment of this antenna assembly poor.
Utility model content
The technical issues of the utility model solves is how the coil of different function to be integrated in the same antenna assembly,
And it effectively reduces or avoids the problem that interfere with each other between each coil.
In order to solve the above technical problems, the utility model embodiment provides a kind of antenna assembly, comprising: the first magnetic piece,
With opposite front and back;Wireless charging communication coil, positioned at the front of first magnetic piece;Second magnetic piece, with
First magnetic piece is set side by side and has opposite front and back, front and second magnetic of first magnetic piece
Property piece front in the same direction;Near-field communication coil is wound on second magnetic piece, wherein the near-field communication coil includes
Multiturn conducting wire, for each circle conducting wire, the distance of the first conductor part to first magnetic piece is greater than the second conductor part extremely
The distance of first magnetic piece, first conductor part are the conducting wire close to the positive portion of second magnetic piece
Point, second conductor part is part of the conducting wire close to the back side of second magnetic piece.
Compared with existing antenna assembly, antenna assembly provided by the utility model being capable of integrated wireless charge function and wireless
Communication function, and wireless charging communication coil and near-field communication coil it is mutual interference it is small, further, the wireless charging
Communication coil uses planar antenna, and the near-field communication coil uses plug-in antenna, so that the signal of two kinds of coils is most strong
Place is located in the same area and interfering with each other to each other is small.
Optionally, for each circle conducting wire, in the state of the second magnetic piece described in top perspective, first wire portion
Divide and does not coincide with second conductor part.Thus, it is possible to form the plug-in antenna of magnetic piece insertion coil, pass through conducting wire
Wind second magnetic piece and structure design that the conducting wire of the two sides that are wound in the second magnetic piece does not coincide, being conducive to will be described
It is concentrated on the direction of plane where favouring the second magnetic piece in the magnetic field of near-field communication coil.
Optionally, the near-field communication coil is arranged around the wireless charging communication coil and is located at the wireless charging
The either side of communication coil appoints more sides.Thus, it is possible to ensure that the signal most strength of two kinds of coils is respectively positioned on the antenna assembly
Central part near.
Optionally, the quantity of the near-field communication coil is two, and two near-field communication coils are located at the wireless charging
The opposite two sides of communication coil.Thus, it is possible to which it is logical to ensure that the signal most strength of near-field communication coil is located at the wireless charging
The central area for believing coil, optimizes the signal distributions of antenna assembly.
Optionally, the quantity of the near-field communication coil is two, and two near-field communication coils are located at the wireless charging
The adjacent two sides of communication coil.Thus, it is possible to which it is logical to ensure that the signal most strength of near-field communication coil is located at the wireless charging
The central area for believing coil, optimizes the signal distributions of antenna assembly.
Optionally, first magnetic piece and second magnetic piece separate independently of each other, first magnetic piece
For ferrite or nanocrystalline, second magnetic piece is ferrite.
Optionally, the near-field communication coil is rectangle, U-shaped or L-type.
Optionally, the antenna assembly further include: substrate, the substrate include opposite front and back, the substrate
Front and first magnetic piece and the second magnetic piece front in the same direction, the wireless charging communication coil and near-field communication line
The circle front for being set to the substrate arranged side by side.
In order to solve the above technical problems, the utility model embodiment also provides a kind of electronic equipment, including above-mentioned day is traditional thread binding
It sets.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of antenna assembly of the utility model embodiment;
Fig. 2 is the side view of antenna assembly shown in Fig. 1;
Fig. 3 is the structural schematic diagram of another antenna assembly of the utility model embodiment;
Fig. 4 is the structural schematic diagram of another antenna assembly of the utility model embodiment;
Fig. 5 is the structural schematic diagram of another antenna assembly of the utility model embodiment;
Fig. 6 is the structural schematic diagram of another antenna assembly of the utility model embodiment;
Fig. 7 is the structural schematic diagram of another antenna assembly of the utility model embodiment;
Fig. 8 is the structural schematic diagram of another antenna assembly of the utility model embodiment;
Fig. 9 is the structural schematic diagram of another antenna assembly of the utility model embodiment;
Figure 10 is the structural schematic diagram of another antenna assembly of the utility model embodiment;
Figure 11 is the structural schematic diagram of another antenna assembly of the utility model embodiment;
Figure 12 is the structural schematic diagram of another antenna assembly of the utility model embodiment;
Figure 13 is the structural schematic diagram of another antenna assembly of the utility model embodiment.
Specific embodiment
It will be appreciated by those skilled in the art that as described in the background art, existing antenna assembly can not integrate a variety of different function
Coil, cause occupied space on an electronic device big, be unfavorable for electronic equipment miniaturization, lighting development.
In order to solve the above technical problems, the utility model embodiment provides a kind of antenna assembly, comprising: the first magnetic piece,
With opposite front and back;Wireless charging communication coil, positioned at the front of first magnetic piece;Second magnetic piece, with
First magnetic piece is set side by side and has opposite front and back, front and second magnetic of first magnetic piece
Property piece front in the same direction;Near-field communication coil is wound on second magnetic piece, wherein the near-field communication coil includes
Multiturn conducting wire, for each circle conducting wire, the distance of the first conductor part to first magnetic piece is greater than the second conductor part extremely
The distance of first magnetic piece, first conductor part are the conducting wire close to the positive portion of second magnetic piece
Point, second conductor part is part of the conducting wire close to the back side of second magnetic piece.
It will be appreciated by those skilled in the art that antenna assembly provided by the utility model being capable of integrated wireless charge function and wireless
Communication function, and wireless charging communication coil and near-field communication coil it is mutual interference it is small.
Further, the wireless charging communication coil uses planar antenna, and the near-field communication coil uses plug-in type
Antenna so that the signal of two kinds of coils most strength be located in the same area and to each other interfere with each other it is small.
It is understandable to enable the above-mentioned purpose, feature and beneficial effect of the utility model to become apparent, with reference to the accompanying drawing
Specific embodiment of the utility model is described in detail.
Fig. 1 is a kind of structural schematic diagram of antenna assembly of the utility model embodiment.Wherein, using described in the present embodiment
The antenna assembly of scheme can integrate the multiple functions such as wireless charging, wireless communication.
Specifically, antenna assembly 100 described in the present embodiment may include: the first magnetic piece 110 combined with Figure 1 and Figure 2, tool
There are opposite positive 110a and back side 110b;Wireless charging communicates (Wireless Charging S, abbreviation WCS) coil 120,
Positioned at the positive 110a of first magnetic piece 110;Second magnetic piece 130 is set side by side and has with first magnetic piece 110
There are opposite positive 130a and back side 130b, the positive 110a of first magnetic piece 110 and second magnetic piece 130 are just
Face 130a is in the same direction;Near-field communication (Near Field Communication, abbreviation NFC) coil 140, is wound in second magnetic
Property piece 130 on, wherein the near-field communication coil 140 include multiturn conducting wire 141, for each circle conducting wire 141, the first conducting wire
Part 142 to first magnetic piece 110 distance L1Greater than the second conductor part 143 to first magnetic piece 110 away from
From L2, first conductor part 142 be the conducting wire 141 close to second magnetic piece 130 positive 130a part,
Second conductor part 143 be the conducting wire 141 close to second magnetic piece 130 back side 130b part.
In one or more embodiments, the wireless charging communication coil 120, which can be, meets wireless charging alliance
(Wireless Power Consortium, abbreviation WPC) standard and/or power supply things alliance (Power Matters
Alliance, abbreviation PMA) standard Wireless charging coil.
In one or more embodiments, the first magnetic piece 110 and near field that the wireless charging communication coil 120 uses
The second magnetic piece 130 that communication coil 140 uses can be to be separated independently of each other.For example, it is traditional thread binding to overlook the day in Fig. 1
100 angle is set, first magnetic piece 110 and the second magnetic piece 130 can be juxtaposed on the antenna assembly 100 not
Same region, and in Fig. 2 antenna assembly 100 described in side view angle, first magnetic piece 110 and the second magnetic piece 130 can
To be located at same level.
In one or more embodiments, the antenna assembly 100 can also include: substrate 150, and the substrate 150 wraps
Include opposite positive 150a and back side 150b, the positive 110a of the positive 150a of the substrate 150 and first magnetic piece 110
In the same direction with the positive 130a of the second magnetic piece 130, the wireless charging communication coil 120 and the near-field communication coil 140 are simultaneously
The positive 150a for being set to the substrate 150 of column.
For example, with reference to Fig. 2, first magnetic piece 110 and wireless charging communication coil 120 positioned at its front 110a
At the center of the positive 150a of the substrate 150;The near-field communication coil 140 of second magnetic piece 130 and winding thereon
It is similarly provided at the positive 150a of the substrate 150, and is located at the opposite two sides of the wireless charging communication coil 120.
It should be noted that in practical applications, the back side 130b of the second magnetic piece 130 shown in Fig. 2 and substrate 150 are just
It is very close to each other between the 150a of face.
In one or more embodiments, for each circle conducting wire 141, the second magnetic piece 130 described in top perspective
Under state, first conductor part 142 can not coincide with second conductor part 143.Thus, it is possible to form magnetism
Piece is inserted into the plug-in antenna of coil, winds second magnetic piece 130 by conducting wire 141 and is wound in the second magnetic piece 130
Two sides conducting wire 141 do not coincide structure design, favouring second conducive to by the magnetic field of the near-field communication coil 140
It is concentrated on the direction of plane where magnetic piece 130 (or near-field communication coil 140).
In one or more embodiments, the near-field communication coil 140 can surround the wireless charging communication coil
120 are arranged and are located at the either side of the wireless charging communication coil 120 or appoint more sides.Thus, it is possible to ensure two kinds of coils
The central part that signal most strength (alternatively referred to as opening portion) is respectively positioned on the antenna assembly 100 (also is understood as central point, center
Region) near.
Specifically, with continued reference to Fig. 2, since the wireless charging communication coil 120 is using planar antenna knot
The magnetic flux maximum (i.e. signal most strength) of structure, the wireless charging communication coil 120 is located at the Wireless charging coil 120
Central part (in Fig. 2 with B point label), the central part of the antenna assembly 100 is set to for wireless charging communication coil 120
Scene, the signal most strength of the wireless charging communication coil 120 is the central part for being located at the antenna assembly 100.
Further, since the near-field communication coil 140 for being set to the outside of the wireless charging communication coil 120 uses
Be plug-in antenna structure, and conducting wire 141 shown in Fig. 2 is along the winding method (near field for ensuring to be formed of the second magnetic piece 130
L in communication coil 1401>L2) the signal most strength of the near-field communication coil 140 is located in the antenna assembly 100
Center portion (with A point label in Fig. 2).
Experiment shows the design using the present embodiment, the signal most strength (i.e. A point) of the near-field communication coil 140 and
The signal of wireless charging communication coil 120 most strength (i.e. B point) is in the central part of the antenna assembly 100, and the two is only
It is overlapped in (i.e. axial) in the direction perpendicular to 130 place plane of first magnetic piece 110 and the second magnetic piece, and A point
It is not identical with the distance of B point to first magnetic piece 110.
That is, the scheme based on the present embodiment, can ensure the near-field communication coil 140 and wireless charging communication line
The signal most strength of circle 120 is respectively positioned on the basis of the central part of the antenna assembly 100, avoids the near-field communication coil
140 and wireless charging communication coil 120 signal most strength be overlapped and mutually generate interference so that near-field communication coil transmitting-receiving believe
Number when, influenced by the induced current of wireless charging communication coil 120 small.
It should be pointed out that for design principle and effect convenient for clearly stating the present embodiment, to near-field communication in Fig. 2
Coil 140 (for simplification, two circle conducting wires 141 of the coil are only shown in figure) and the signal of wireless charging communication coil 120 are most strong
Place has made theoretical property mark respectively, and in practical applications, the near-field communication coil 140 and wireless charging communication coil 120
Signal most strength can also be not on the A point and B point, also, A point and B point may not be and be overlapped in the axial direction.
In one or more embodiments, the near-field communication coil 140 can be rectangle, U-shaped or L-type.
In embodiment 1, the quantity of the near-field communication coil 140 can be one.
For example, the near-field communication coil 140 can be located at any of the wireless charging communication coil 120 with reference to Fig. 3
Side.
It in this example, can be rectangle or U-shaped (as shown in Figure 3) positioned at the near-field communication coil 140 of either side.
Those skilled in the art can also use other shapes as needed, and it will not be described here.
In another example the near-field communication coil 140 can be located at the phase of the wireless charging communication coil 120 with reference to Fig. 4
Adjacent two sides.
In this example, the near-field communication coil 140 can be L-type.In example 2, the near-field communication coil
140 quantity can be two.
For example, continuing to refer to figure 1 and Fig. 2, two near-field communication coils 140 can be located at the wireless charging and communicate
The opposite two sides of coil 120.Thus, it is possible to which it is described wireless to ensure that the signal most strength (A point) of near-field communication coil 140 is located at
The central area of charging communication coil 120, optimizes the signal distributions of antenna assembly 100.
In this example, two near-field communication coils 140 can be rectangle (as depicted in figs. 1 and 2), be U
Type (as shown in Figure 5) or one be one, rectangle be it is U-shaped (as shown in fig. 6, certainly, rectangle near-field communication coil 140 and U-shaped close
The position of field communication coil 140 can be interchanged).
Further, opposite two of the wireless charging communication coil 120 of the near-field communication coil 140 are provided with
Side can be the two sides up and down in vertical view 100 direction of antenna assembly shown in Fig. 1, Fig. 5 and Fig. 6, or, or left and right two
Side.
In another example two near-field communication coils 140 can be located at the Wireless charging coil 120 with reference to Fig. 7
Adjacent two sides.It is also ensured that the signal most strength of near-field communication coil 140 is located at the wireless charging communication line as a result,
The central area of circle 120.
In this example, two near-field communication coils 140 can be rectangle (as shown in Figure 7), be it is U-shaped (such as
Shown in Fig. 8) or one be one, rectangle be it is U-shaped (as shown in figure 9, certainly, rectangle near-field communication coil 140 and U-shaped near-field communication
The position of coil 140 can be interchanged).
Further, adjacent two of the wireless charging communication coil 120 of the near-field communication coil 140 are provided with
Side can be the upside and left side in vertical view 100 direction of antenna assembly shown in Fig. 7 to Fig. 9, can also be any other adjacent
Two sides.
In this example, one in two near-field communication coils 140 can be rectangle, another can be L-type
(as shown in Figure 10), thus, it is possible to be arranged around wantonly three side of the wireless charging communication coil 120.Alternatively, the near field of rectangle
Communication coil 140 could alternatively be above-mentioned U-shaped near-field communication coil 140 shown in Fig. 3.
It should be pointed out that the position of L-type near-field communication coil 140 and rectangle near-field communication coil 140 can be in Figure 10
It exchanges, the side of not set near-field communication coil 140 in Fig. 6 can also be set to.
In this example, two near-field communication coils 140 can be of an L-shaped structure (as shown in figure 11), as a result, may be used
To be arranged around four sides of the Wireless charging coil 120.Wherein, the specific structure of the near-field communication coil 140 of L-type can join
Examine the structure description in Fig. 4.
In embodiment 3, the quantity of the near-field communication coil 140 can be three, and be located at the wireless charging
Wantonly three side (or surrounding) of electric coil 120.
Preferably, the shape of three near-field communication coils 140 can be selected from rectangle, U-shaped or L-type.In practical application
In, those skilled in the art also can according to need the other applicable shapes of selection, and it will not be described here.
For example, three near-field communication coils 140 all can be rectangle (as shown in figure 12) or U-shaped.
Alternatively, in three near-field communication coils 140 it is a part of can be rectangle, remaining can be U-shaped;Or one
Part can be rectangle, and remaining can be L-type;A part can be U-shaped, and remaining can be L-type;Or three are respectively square
Shape, L-type and U-shaped (at this point, three near-field communication coils 140 can form the surrounding around the Wireless charging coil 120
The effect of setting).
In example 4, the quantity of the near-field communication coil 140 can be four, and be located at the wireless charging
The surrounding of electric coil 120.
Preferably, the shape of four near-field communication coils 140 can be selected from rectangle or U-shaped.In practical applications, originally
Field technical staff also can according to need the other applicable shapes of selection, and it will not be described here.
For example, four near-field communication coils 140 all can be rectangle or U-shaped.
Alternatively, it can be rectangle that one or more of four described near-field communication coils 140, which can be U-shaped, other,.
With reference to Figure 13, one in four near-field communication coils 140 be it is U-shaped, other three are rectangle.
In one or more embodiments, first magnetic piece 120 can be ferrite or nanocrystalline, second magnetic
Property piece 130 can be ferrite.
As a result, use the present embodiment scheme, can in an antenna assembly 100 simultaneously integrated wireless charge function and
Wireless communication function, and wireless charging communication coil 120 and near-field communication coil 140 it is mutual interference it is small.
Further, the wireless charging communication coil 120 uses planar antenna, and the near-field communication coil 140 uses
Plug-in antenna so that the signal of two kinds of coils most strength be located in the same area and to each other interfere with each other it is small.
Further, the utility model embodiment also provides a kind of electronic equipment, the electronic equipment include above-mentioned Fig. 1 extremely
Any antenna assembly 100 shown in Figure 13.
Although the utility model discloses as above, the utility model is not limited to this.Anyone skilled in the art,
It does not depart from the spirit and scope of the utility model, can make various changes or modifications, therefore the protection scope of the utility model
It should be defined by the scope defined by the claims..
Claims (9)
1. a kind of antenna assembly characterized by comprising
First magnetic piece has opposite front and back;
Wireless charging communication coil, positioned at the front of first magnetic piece;
Second magnetic piece is set side by side with first magnetic piece and has opposite front and back, first magnetic piece
Front with second magnetic piece front in the same direction;
Near-field communication coil is wound on second magnetic piece, wherein the near-field communication coil includes multiturn conducting wire, right
In each circle conducting wire, the distance of the first conductor part to first magnetic piece is greater than the second conductor part to first magnetism
The distance of piece, first conductor part are the conducting wire close to the positive part of second magnetic piece, described second
Conductor part is part of the conducting wire close to the back side of second magnetic piece.
2. antenna assembly according to claim 1, which is characterized in that for each circle conducting wire, described in the top perspective
In the state of two magnetic pieces, first conductor part does not coincide with second conductor part.
3. antenna assembly according to claim 1, which is characterized in that the near-field communication coil surrounds the wireless charging
Communication coil is arranged and is located at the either side of the wireless charging communication coil or appoints more sides.
4. antenna assembly according to claim 3, which is characterized in that the quantity of the near-field communication coil be two, two
A near-field communication coil is located at the opposite two sides of the wireless charging communication coil.
5. antenna assembly according to claim 3, which is characterized in that the quantity of the near-field communication coil be two, two
A near-field communication coil is located at the adjacent two sides of the wireless charging communication coil.
6. antenna assembly according to claim 1, which is characterized in that first magnetic piece is with second magnetic piece
Separate independently of each other, first magnetic piece is ferrite or nanocrystalline, and second magnetic piece is ferrite.
7. antenna assembly according to claim 3, which is characterized in that the near-field communication coil is rectangle, U-shaped or L-type.
8. antenna assembly according to claim 1, which is characterized in that further include:
Substrate, the substrate include opposite front and back, front and first magnetic piece and the second magnetic of the substrate
Property piece front in the same direction, the wireless charging communication coil and near-field communication the coil front for being set to the substrate arranged side by side.
9. a kind of electronic equipment, which is characterized in that including antenna assembly described in any one of claims 1 to 8.
Priority Applications (1)
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CN201821274446.3U CN208539110U (en) | 2018-08-08 | 2018-08-08 | A kind of electronic equipment and its antenna assembly |
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CN201821274446.3U CN208539110U (en) | 2018-08-08 | 2018-08-08 | A kind of electronic equipment and its antenna assembly |
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ID=65378052
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CN201821274446.3U Expired - Fee Related CN208539110U (en) | 2018-08-08 | 2018-08-08 | A kind of electronic equipment and its antenna assembly |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110277646A (en) * | 2019-05-28 | 2019-09-24 | 上海紫光乐联物联网科技有限公司 | Wireless charging three-dimensional antenna for electronic equipment |
CN112653255A (en) * | 2020-12-16 | 2021-04-13 | 西南科技大学 | Wireless charging coupling mechanism and wireless charging device |
CN112736412A (en) * | 2020-12-25 | 2021-04-30 | 上海安费诺永亿通讯电子有限公司 | Hybrid structure of wireless charging antenna and NFC antenna, and electronic device |
WO2023202129A1 (en) * | 2022-04-19 | 2023-10-26 | Oppo广东移动通信有限公司 | Electronic device and antenna module thereof |
-
2018
- 2018-08-08 CN CN201821274446.3U patent/CN208539110U/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110277646A (en) * | 2019-05-28 | 2019-09-24 | 上海紫光乐联物联网科技有限公司 | Wireless charging three-dimensional antenna for electronic equipment |
CN112653255A (en) * | 2020-12-16 | 2021-04-13 | 西南科技大学 | Wireless charging coupling mechanism and wireless charging device |
CN112736412A (en) * | 2020-12-25 | 2021-04-30 | 上海安费诺永亿通讯电子有限公司 | Hybrid structure of wireless charging antenna and NFC antenna, and electronic device |
WO2023202129A1 (en) * | 2022-04-19 | 2023-10-26 | Oppo广东移动通信有限公司 | Electronic device and antenna module thereof |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190222 Termination date: 20210808 |
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CF01 | Termination of patent right due to non-payment of annual fee |