CN110416715A - A kind of miniaturization near-field communication aerial and mobile terminal - Google Patents
A kind of miniaturization near-field communication aerial and mobile terminal Download PDFInfo
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- CN110416715A CN110416715A CN201910623307.XA CN201910623307A CN110416715A CN 110416715 A CN110416715 A CN 110416715A CN 201910623307 A CN201910623307 A CN 201910623307A CN 110416715 A CN110416715 A CN 110416715A
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- 238000004891 communication Methods 0.000 title claims abstract description 50
- 239000000758 substrate Substances 0.000 claims abstract description 43
- 230000006698 induction Effects 0.000 claims abstract description 41
- 239000002184 metal Substances 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 230000006835 compression Effects 0.000 abstract description 3
- 238000007906 compression Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 239000004020 conductor Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000005764 inhibitory process Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000011889 copper foil Substances 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 239000011133 lead Substances 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
- 239000005030 aluminium foil Substances 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
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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
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
- H01Q7/06—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop with core of ferromagnetic material
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Abstract
The present invention discloses a kind of miniaturization near-field communication aerial and mobile terminal, the miniaturization near-field communication aerial includes the planar coil in substrate, planar coil includes the first part's conducting wire and second part conducting wire being oppositely arranged, and the diameter of first part's conducting wire is greater than the diameter of second part conducting wire, it is by being respectively set magnetic sheet and magnetic induction line cutting member in substrate two sides, magnetic sheet covers heavy gauge wire region, for will be close to the useful magnetic strength wire compression of magnetic sheet into magnetic sheet, magnetic field is set to be located at magnetic sheet side to compress useful magnetic field space；Magnetic induction line cutting member covers thin wire region, for cutting the magnetic induction line of thin wire generation, destroy useless magnetic field, the phenomenon that avoiding relative close and cancelling out each other between contrary magnetic induction line, improve emitted energy of the miniaturization near field antenna when being written and read card, card mold being intended, the overall performance for improving antenna further realizes the miniaturization of near field antenna to be suitable for miniaturized electronics.
Description
Technical field
The present invention relates to field of antenna, in particular to a kind of miniaturization near-field communication aerial and mobile terminal.
Background technique
Near-field communication (Near Field Communication) is a kind of emerging technology, has used near-field communication skill
The equipment (such as mobile phone) of art can carry out data exchange in the case where close to each other, be by non-contact radio-frequency identification
(RFID) and the integration of interconnection and interflow technology is evolved, and passes through integrated induction formula card reader, icah wavw on a single chip
With the function of point-to-point communication, mobile payment, electronic bill, gate inhibition, mobile identification, anti-fake etc. are realized using mobile terminal
Using.Near-field communication business combines near-field communication technology and mobile communication technology, realizes e-payment, authentication, ticket
The multiple functions such as business, data exchange, anti-fake, advertisement are a kind of new business of mobile communication field.Near-field communication business changes
User uses the mode of mobile phone, and the consumer behavior of user is made gradually to move towards electronization, establishes a kind of novel user
Consumption and business model.
With the development of science and technology, many electronic products, function is more powerful, keeps for the space of antenna smaller and smaller,
The another aspect market competitive pressure is increasing, so the requirement to the miniaturization of antenna is inevitable trend, antenna miniaturization
Later, not only will in a limited space in design the good product of characteristic, but also can greatly save the cost, to improve
The competitiveness in market.
Therefore, in order to adapt to small-sized electronic product, current near field antenna is dimensionally reduced, i.e. substrate size
Become smaller, and the wire diameter of the planar coil in antenna becomes smaller.Therefore the problem of bringing is exactly: because after substrate minification
Become narrower, so distance is close between opposite conducting wire.After planar coil is powered, as shown in Figure 1, relatively close conducting wire
Between current direction on the contrary, generate magnetic induction line it is contrary, the region magnetic induction line of magnetic strength line overlap is cancelled out each other, and antenna is influenced
Emitted energy when being written and read card, card mold being intended, to influence the overall performance of the near field antenna.
Certainly, the miniaturization near field antenna also having using the whole planar coil of magnetic sheet covering, however also can not be solved effectively
The certainly above problem.
Summary of the invention
In order to solve problems in the prior art, the embodiment of the invention provides a kind of miniaturization near-field communication aerial and movements
Terminal occupies little space, high gain.
In order to solve the above technical problems, the following technical solutions are proposed by the present invention:
On the one hand, the present invention provides a kind of miniaturization near-field communication aerial, and the miniaturization near-field communication aerial includes base
Plate is embedded in the substrate and the planar coil formed by wire coiling, the magnetic sheet and patch that are attached at the substrate side
Set on the magnetic induction line cutting member of the substrate another side, the planar coil include at least first part's conducting wire for being oppositely arranged and
Second part conducting wire, and the diameter of wire of first part's conducting wire is greater than the diameter of wire of the second part conducting wire, it is described
Magnetic sheet covers first part's conducting wire region, and the magnetic induction line cutting member covers second part conducting wire location
Domain.
In some embodiments, the magnetic induction line cutting member is sheet metal.
Preferably, the magnetic induction line cutting member is one of copper foil, iron foil, lead foil or nickel foil.
In some embodiments, the projection of the magnetic sheet on the substrate and the magnetic induction line cutting member are in the substrate
On projection be at least partly overlapped.
In some embodiments, the projection of the magnetic sheet on the substrate and the magnetic induction line cutting member are in the substrate
On projection without coincidence.
In some embodiments, the area of the miniaturization near-field communication aerial is no more than 500mm2。
In some embodiments, the planar coil includes planar coil main part and planar coil extension, institute
It states planar coil main part and planar coil extension constitutes convex shape circuit, the planar coil includes head end and end
End, and the head end and end are respectively positioned on the planar coil extension.
In some embodiments, the shape of the planar coil main part is circle, quadrangle, hexagon or octagon
One of.
Preferably, the planar coil main body is rectangle, and the planar coil main body includes sequentially connected first part
Conducting wire, Part III conducting wire, second part conducting wire and Part IV conducting wire, and the Part III conducting wire and Part IV conducting wire
Diameter of wire it is equal.
In some embodiments, the diameter of wire of the Part III conducting wire and Part IV conducting wire is respectively less than described first
The diameter of wire of part conducting wire.
On the other hand, the present invention provides a kind of mobile terminal, and the mobile terminal includes the miniaturization near-field communication day
Line.
Technical solution provided in an embodiment of the present invention has the benefit that
The present invention protects a kind of miniaturization near-field communication aerial comprising the planar coil of substrate is embedded at, due to opposite
In the conducting wire of setting current direction it is opposite, both the magnetic field that generates there is the case where cancelling out each other, therefore by phase in planar coil
Diameter of wire structure of different thickness is arranged to setting conducting wire, the magnetic field of the generation of heavy gauge wire part is useful magnetic field,
The area occupied in substrate is bigger, so that magnetic induction line intensity and region are improved, and the magnetic field that thin wire part generates is useless magnetic
, purely play the role of conducting, magnetic induction line intensity and the region in the useless magnetic field in the part can be reduced, to reduce two kinds of magnetic fields
Magnetic flux counteracting amount；
Further, by the way that magnetic sheet and magnetic induction line cutting member is respectively set in substrate two sides, and magnetic sheet covers heavy gauge wire institute
In region, for will be close to the useful magnetic strength wire compression of magnetic sheet into magnetic sheet, made with compressing the magnetic field space of heavy gauge wire generation
Magnetic field is located at magnetic sheet side；Magnetic induction line cutting member covers thin wire region, for cutting the magnetic induction line of thin wire generation, breaks
Bad useless magnetic field further enhances useful magnetic field so that useless magnetic induction line be avoided to generate negative function to useful magnetic induction line；
In addition, by the way that the heavy gauge wire being oppositely arranged and thin wire and the magnetic sheet attached respectively and magnetic strength wire cutting is arranged
Part, can further realize the miniaturization of near-field communication aerial, and the enlightenment based on the technology, we can be effectively controlled the near field
The magnetic field size of antenna and direction flexibly set the performance of near-field communication aerial.
As long as the scheme of the application solves any technical problem.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is the magnetic of the miniaturization near-field communication aerial for not covering magnetic sheet and magnetic induction line cutting member provided in background technique
Feel line distribution schematic diagram；
Fig. 2 is a kind of structural schematic diagram on surface for minimizing near-field communication aerial provided in an embodiment of the present invention；
Fig. 3 is a kind of structural schematic diagram on another surface for minimizing near-field communication aerial provided in an embodiment of the present invention；
Fig. 4 is projection and magnetic strength of a kind of miniaturization near-field communication aerial magnetic sheet provided in an embodiment of the present invention on substrate
Magnetic induction line distribution schematic diagram of the wire cutting part when the projection on substrate is at least partly overlapped；
Fig. 5 is projection and magnetic strength of a kind of miniaturization near-field communication aerial magnetic sheet provided in an embodiment of the present invention on substrate
Wire cutting part is in the projection on substrate without magnetic induction line distribution schematic diagram when being overlapped.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached in the embodiment of the present invention
Figure, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only this
Invention a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art exist
Every other embodiment obtained under the premise of creative work is not made, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that, term " X-axis " " Y-axis " " Z axis " " vertical " " parallel " "upper",
The orientation or position of the instructions such as "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside"
Relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description of the present invention and simplification of the description, without referring to
Show or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot manage
Solution is limitation of the present invention.In addition, term " first ", " second " are used for description purposes only, and it should not be understood as instruction or dark
Show relative importance or implicitly indicates the quantity of indicated technical characteristic.The feature of " first ", " second " is defined as a result,
It can explicitly or implicitly include one or more of the features.In the description of the present invention, unless otherwise indicated, " more
It is a " it is meant that two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
Below with reference to the accompanying drawings 2~5 carry out a kind of the specific of miniaturization near-field communication aerial that the present invention is described in detail is protected
Structure.
Embodiment 1
As shown in Figure 2-5, the present embodiment provides a kind of miniaturization near-field communication aerials comprising sets in the inner and is used for
It is written and read the quasi- miniaturization near-field communication aerial 100 of card, card mold, the area of the near-field communication aerial 100 is no more than 500mm2,
Corresponding electronic element is integrated on the near-field communication aerial 100, is realized and is carried out mobile branch using mobile terminals such as mobile phone, plates
It pays, electronic bill, gate inhibition, move the multiple functions such as identification, anti-fake, advertisement.
Specifically, referring to shown in Fig. 2~3, which includes substrate 1, is embedded in substrate 1
And the planar coil 2 formed by wire coiling, the magnetic for being attached at the magnetic sheet 3 on 1 one surface of substrate and being attached at another surface of substrate 1
Feel wire cutting part 4.For ease of description, the substrate surface that the present embodiment pastes magnetic sheet 3 is front, and magnetic induction line cutting member 4 pastes
The substrate surface covered is reverse side.Wherein, 2 the number of turns of planar coil is unlimited, and each circle coil is respectively positioned in same plane, i.e. substrate
In 1 plane.
Planar coil 2 includes at least the first part's conducting wire 5 and second part conducting wire 6 being oppositely arranged, and first part leads
The diameter of wire of line 5 is greater than the diameter of wire of second part conducting wire 6.Since planar coil 2 is formed by wire coiling, therefore it is powered
When, both current direction is opposite (as shown in Figure 3) in the first part's conducting wire 5 and second part conducting wire 6 that are oppositely arranged, i.e., generation
Magnetic direction on the contrary, cancelling out each other for magnetic field is caused in the two magnetic field overlapping region.Further, when energization, in same conducting wire
Size of current is identical, and the magnetic field that thicker first part's conducting wire 5 generates is stronger.The requirement for considering antenna overall performance, when need
When wanting higher emitted energy, the relatively high-intensity magnetic field that first part's conducting wire 5 is generated protects it as useful magnetic field, will
The relatively small magnetic field that second part conducting wire 6 generates is destroyed it, as useless magnetic field to prevent in useless magnetic field and useful magnetic
In overlapping region, useful magnetic induction line is offset or is weakened by useless magnetic induction line for field, influences the overall performance of antenna.
Based on this, magnetic sheet 3 at least covers useful conductor part, can also cover the front of entire substrate 1, the present embodiment certainly
In to this and it is without restriction.In order to realize technical effect and save material, magnetic sheet 3 uses half mulching formula shape in the present embodiment
Formula does not cover all planar coils 2, the first part's conducting wire 5 being just coated with makes the magnetic induction line in useful magnetic field close
It is compressed when magnetic sheet into magnetic sheet, to compress the magnetic field space of live wire generation, it is made to be only located at 3 side of magnetic sheet.Magnetic induction line is cut
Cutter member 4 covers useless conductor part, the magnetic induction line generated for cutting useless conductor part, to destroy useless magnetic field.In general,
Magnetic induction line cutting member 4 uses sheet metal, such as one of iron foil, copper foil, aluminium foil, lead foil or nickel foil.
In the present embodiment, since the maximum coverage area to magnetic sheet 3 is not intended to limit (half mulching or all standing substrate 1), because
The relative position of this magnetic sheet 3 and magnetic induction line cutting member 4 includes at least following two kinds of situations: the projection on substrate 1 of magnetic sheet 3 and magnetic
The projection on a substrate 2 of sense wire cutting part 4 is at least partly overlapped or the projection on substrate 1 of magnetic sheet 3 and magnetic induction line cutting member
4 projection on substrate 1 is without coincidence.When the two projection is at least partly overlapped, first part is led in the near-field communication aerial 100
The magnetic field that line 5 and second part conducting wire 6 generate is as shown in Figure 4；When the two projection is without being overlapped, in the near-field communication aerial 100
The magnetic field that first part's conducting wire 5 and second part conducting wire 6 generate is as shown in Figure 5.Based on Fig. 4~5 it is found that regardless of magnetic sheet 3 is in base
Whether the projection on plate 1 is overlapped with the projection of magnetic induction line cutting member 4 on a substrate 2, as long as meeting magnetic sheet 3 covers first part
Conducting wire 5, and magnetic induction line cutting member 4 covers second part conducting wire 6, can reach and selectively compresses useful magnetic field and destroy useless
Magnetic field, to improve the effect of antenna overall performance.
Under above two situation, the magnetic field of near-field communication aerial 100 is what first part's conducting wire 5 generated in the present embodiment
Magnetic field, after disruption, which only plays the role of conducting in the magnetic field of second part conducting wire 6.
As a kind of preferable embodiment, the diameter of wire of first part's conducting wire 5 in the present embodiment is 1 ±
0.05mm, the diameter of wire of second part conducting wire 6 are 0.15 ± 0.05mm.
Shown in referring further to Figure 2~3, in the near-field communication aerial 100 in the present embodiment, planar coil 2 includes plane
Coil main body part 21 and planar coil extension 22, planar coil main part 21 and planar coil extension 22 are constituted
Convex shape circuit.Planar coil 2 includes the head end 23 connecting with receiving end wire jumper and the end 24 connecting with transmitting terminal wire jumper,
And head end 23 and end 24 are respectively positioned on planar coil extension 22.
Adaptable, as shown in figure 3, the shape of substrate 1 is also convex structure.At the back side of substrate 1, magnetic strength wire cutting
Part 4 can cover the region where second part conducting wire 6, be also possible to extend upwardly to raised zones, the present embodiment to this not
It limits.
The shape of planar coil main part 21 is one of circle, quadrangle, hexagon or octagon, as one kind
It is preferred that the shape of planar coil main part 21 is rectangle.When the shape of planar coil main part 21 is rectangle, planar coil
Main part 21 includes that sequentially connected first part's conducting wire 5, Part III conducting wire 7, second part conducting wire 6 and Part IV are led
The diameter of wire of line 8, Part III conducting wire 7 and Part IV conducting wire 8 is equal and the conducting wire of respectively less than first part's conducting wire 5 is straight
Diameter.Opposite (such as Fig. 3 of current direction since Part III conducting wire 7 and Part IV conducting wire 8 are oppositely arranged, and both when energization
Shown in middle arrow), the magnetic field strength of generation and region are equal, and contrary, therefore two magnetic fields are cancelled out each other, for first
The magnetic field that intraphase conductor 5 generates has no influence.
As a kind of preferable embodiment, second part conducting wire 6, Part III conducting wire 7 and Part IV conducting wire 8 are led
Linear diameter is equal, and is 0.15 ± 0.05mm, to simplify technique.
A kind of miniaturization near-field communication aerial provided in the present embodiment comprising the planar coil in substrate is put down
Planar coil includes the first part's conducting wire 5 and second part conducting wire 6 being oppositely arranged, and the diameter of first part's conducting wire 5 is greater than the
The diameter of two part conducting wires 6, by the way that magnetic sheet and magnetic induction line cutting member is respectively set in substrate two sides, and magnetic sheet covering is slightly led
Line region, it is empty with the magnetic field for compressing heavy gauge wire generation for will be close to the useful magnetic strength wire compression of magnetic sheet into magnetic sheet
Between so that magnetic field is located at magnetic sheet side；Magnetic induction line cutting member covers thin wire region, for cutting the magnetic strength of thin wire generation
Line destroys useless magnetic field, to avoid generated contrary magnetic between relative close and the opposite conducting wire of current direction
The phenomenon that cancelling out each other between sense line, and then improve launch energy of the miniaturization near field antenna when being written and read card, card mold being intended
Amount, improves the overall performance of the near field antenna, further realizes the miniaturization of near field antenna, to be suitable for miniaturized electronics.
Embodiment 2.
The present embodiment provides a kind of mobile terminal, miniaturization near field is logical as described in Example 1 for setting in the mobile terminal
Believe antenna, carries out mobile payment, electronic bill, gate inhibition, mobile identity knowledge for realizing using mobile terminals such as mobile phone, plates
Not, the multiple functions such as anti-fake, advertisement.When minimizing near-field communication aerial applied in mobile terminal, it should be noted that, back
The region of the corresponding first part's conducting wire 5 in face, can not be close to the metal parts or battery in mobile terminal, in order to avoid cause useful magnetic
The destruction of field.And as a preference, the miniaturization near-field communication aerial back side can be attached at plastic shell medial surface.
The structure and realization effect of the miniaturization near-field communication aerial, please refer to 1 corresponding contents of embodiment, the present embodiment is not
It repeats again.
It should be noted that the foregoing is merely presently preferred embodiments of the present invention, it is not intended to limit the invention, it is all at this
Within the spirit and principle of invention, any modification, equivalent replacement, improvement and so on should be included in protection model of the invention
Within enclosing.
Claims (10)
1. a kind of miniaturization near-field communication aerial, it is characterised in that: the miniaturization near-field communication aerial includes substrate, is embedded at
The planar coil that is formed in the substrate and by wire coiling is attached at the magnetic sheet of the substrate side and is attached at the base
The magnetic induction line cutting member of plate another side, the planar coil includes at least the first part's conducting wire being oppositely arranged and second part is led
Line, and the diameter of wire of first part's conducting wire is greater than the diameter of wire of the second part conducting wire, the magnetic sheet covers institute
First part's conducting wire region is stated, the magnetic induction line cutting member covers second part conducting wire region.
2. a kind of miniaturization near-field communication aerial according to claim 1, it is characterised in that: the magnetic induction line cutting member is
Sheet metal.
3. a kind of miniaturization near-field communication aerial according to claim 2, it is characterised in that: the magnetic sheet is in the substrate
On projection be at least partly overlapped with the projection of the magnetic induction line cutting member on the substrate.
4. a kind of miniaturization near-field communication aerial according to claim 2, it is characterised in that: the magnetic sheet is in the substrate
On projection and magnetic induction line cutting member projection on the substrate without being overlapped.
5. a kind of miniaturization near-field communication aerial according to claim 3 or 4, it is characterised in that: the miniaturization near field
The area of communication antenna is no more than 500mm2。
6. a kind of miniaturization near-field communication aerial according to claim 5, it is characterised in that: the planar coil includes flat
Planar coil main part and planar coil extension, the planar coil main part constitute convex with planar coil extension
Font circuit, the planar coil includes head end and end, and the head end and end are respectively positioned on the planar coil extension
Point.
7. a kind of miniaturization near-field communication aerial according to claim 6, it is characterised in that: the planar coil main part
The shape divided is one of circle, quadrangle, hexagon or octagon.
8. a kind of miniaturization near-field communication aerial according to claim 6, it is characterised in that: the planar coil main body is
Rectangle, the planar coil main body include sequentially connected first part's conducting wire, Part III conducting wire, second part conducting wire and
Four part conducting wires, and the Part III conducting wire is equal with the diameter of wire of Part IV conducting wire.
9. a kind of miniaturization near-field communication aerial according to claim 8, it is characterised in that: the Part III conducting wire and
The diameter of wire of Part IV conducting wire is respectively less than the diameter of wire of first part's conducting wire.
10. a kind of mobile terminal, which is characterized in that including miniaturization near-field communication day described in any one of claim 1 to 9
Line.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910623307.XA CN110416715A (en) | 2019-07-12 | 2019-07-12 | A kind of miniaturization near-field communication aerial and mobile terminal |
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| CN201910623307.XA CN110416715A (en) | 2019-07-12 | 2019-07-12 | A kind of miniaturization near-field communication aerial and mobile terminal |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111342228A (en) * | 2020-04-24 | 2020-06-26 | Oppo广东移动通信有限公司 | Antenna device and electronic apparatus |
| WO2021212975A1 (en) * | 2020-04-24 | 2021-10-28 | Oppo广东移动通信有限公司 | Antenna apparatus and electronic device |
| CN114389032A (en) * | 2020-10-19 | 2022-04-22 | Oppo广东移动通信有限公司 | Antenna device and electronic apparatus |
| WO2024007831A1 (en) * | 2022-07-06 | 2024-01-11 | Oppo广东移动通信有限公司 | Antenna assembly and electronic device |
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| CN105071043A (en) * | 2015-07-22 | 2015-11-18 | 深圳市中天迅通信技术有限公司 | Near-field communication antenna device and near-field communication equipment |
| CN105576343A (en) * | 2016-01-25 | 2016-05-11 | 电子科技大学 | Near-field communication antenna device |
| CN108337341A (en) * | 2018-04-11 | 2018-07-27 | 东莞笛卡尔电子科技有限公司 | The back-cover and mobile phone of integrated wireless charging antenna and NFC antenna |
| CN210142718U (en) * | 2019-07-12 | 2020-03-13 | 禾邦电子(苏州)有限公司 | Miniaturized near field communication antenna and mobile terminal |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111342228A (en) * | 2020-04-24 | 2020-06-26 | Oppo广东移动通信有限公司 | Antenna device and electronic apparatus |
| WO2021212975A1 (en) * | 2020-04-24 | 2021-10-28 | Oppo广东移动通信有限公司 | Antenna apparatus and electronic device |
| CN114389032A (en) * | 2020-10-19 | 2022-04-22 | Oppo广东移动通信有限公司 | Antenna device and electronic apparatus |
| WO2024007831A1 (en) * | 2022-07-06 | 2024-01-11 | Oppo广东移动通信有限公司 | Antenna assembly and electronic device |
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