CN106785351A - A kind of mobile terminal and its NFC antenna - Google Patents
A kind of mobile terminal and its NFC antenna Download PDFInfo
- Publication number
- CN106785351A CN106785351A CN201611258261.9A CN201611258261A CN106785351A CN 106785351 A CN106785351 A CN 106785351A CN 201611258261 A CN201611258261 A CN 201611258261A CN 106785351 A CN106785351 A CN 106785351A
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- Prior art keywords
- mobile terminal
- area
- nfc antenna
- metallic
- aerial coil
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- 238000004891 communication Methods 0.000 claims description 17
- 230000008901 benefit Effects 0.000 abstract description 7
- 210000003660 reticulum Anatomy 0.000 description 23
- 230000000694 effects Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 238000005336 cracking Methods 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005670 electromagnetic radiation Effects 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Support Of Aerials (AREA)
Abstract
The invention discloses a kind of mobile terminal and its NFC antenna, the bonnet of mobile terminal includes metallic region and non-metallic regions；NFC antenna includes aerial coil, and aerial coil is located at mobile terminal rear portion, and when bonnet is covered on the rear portion of mobile terminal, aerial coil is arranged at the lower section of bonnet；Aerial coil closure is arranged at the lower section of non-metallic regions less than 1/2 area portions around a hollow area, aerial coil is formed；Aerial coil is arranged at the lower section of metallic region more than 1/2 area portions.The invention also discloses the mobile terminal of this NFC antenna of application.This mobile terminal and its NFC antenna have the advantages that compact conformation is simple, with low cost and superior performance.
Description
Technical field
The present invention relates to communication field, more particularly to a kind of mobile terminal and its NFC antenna.
Background technology
Antenna is the device of a kind of utilization frequency characteristic reception and transmission signal.In recent years, with wireless terminal and communication
The development of technology, wireless near field communication (Near Field Communication, NFC) obtained in-depth study and extensively
Application.NFC technique starts from RFID tag (Radio Frequency Identify Detection) technology, i.e., in list
Combining induction card reader and icah wavw on one chip, realize point-to-point data exchanging function.By NFC function, hand
Wireless connection and data sharing are easily realized between many equipment such as machine, PDA, computer.
As the mobile terminals such as mobile phone are to light, thin direction design optimization, designer has in less and less space
Remove to realize the read-write capability of NFC.The miniaturization of NFC and the outward appearance of wireless terminal is taken into account, for example metal battery back-cover turns into one kind
Designer trends.But metal-back can shield electromagnetic radiation, causing the coil of NFC cannot be led to the space beyond metal-back
The effect of news, greatly destroying infection communication.
At present, the drawbacks of producing shielding for this metal-back has had some solutions, is such as opened on metal-back
Hole adds groove, can induce larger range of electric current, this electric current produce radiation field as near-field communication means；Or set
The aerial coil of double-decker, coil after eliminating from empty regions to metal inside shell is to negative effect of NFC etc..But open
Hole adds that the technique of groove and double-layer coil is more complicated, manufacturing cost is higher, a kind of with low cost, model structure is urgently found at present simple
The mobile terminal and its NFC antenna of single and superior performance.
The content of the invention
In order to solve problem of the prior art, the invention provides a kind of NFC antenna.The technical scheme is as follows：
On the one hand, there is provided a kind of NFC antenna, the antenna applications are in after a kind of mobile terminal, the mobile terminal
Lid includes metallic region and non-metallic regions；
The NFC antenna includes aerial coil, and the aerial coil is located at mobile terminal rear portion, when the bonnet is covered on
During the rear portion of the mobile terminal, the aerial coil is arranged at the lower section of the bonnet；
Around a hollow area is formed, the aerial coil is arranged at the aerial coil closure less than 1/2 area portions
The lower section of the non-metallic regions；
The aerial coil is arranged at the lower section of the metallic region more than 1/2 area portions.
Further, the bonnet of the mobile terminal is provided with One function region, and the functional area is arranged at described
The surface of hollow area, the area of the area less than or equal to the hollow area of the functional area.
Further, the functional area includes bonnet camera or fingerprint recognition module.
Further, area of the area of the metallic region more than the non-metallic regions.
Further, the NFC antenna is used to realize that read-write, snap gauge are intended and point communications functionality.
Further, the bonnet at least includes two non-metallic regions, and described two non-metallic regions are located at institute respectively
State the two ends of metallic region.
On the other hand, a kind of mobile terminal is additionally provided, the bonnet of the mobile terminal includes metallic region and nonmetallic
Region, and the mobile terminal uses NFC antenna as described above.
The beneficial effect brought of technical scheme that the present invention is provided is：Metallic region is set by the bonnet in mobile terminal
With the lower section that non-metallic regions and the aerial coil are arranged at the non-metallic regions less than 1/2 area portions, the day
Line coil realizes NFC antenna with metal-back more than the structure of the lower section that 1/2 area portions are arranged at the metallic region
Mobile terminal in normal effective communication, and this NFC antenna has with low cost, model structure simple and superior performance
Advantage.
Brief description of the drawings
Technical scheme in order to illustrate more clearly the embodiments of the present invention, below will be to that will make needed for embodiment description
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing.
Fig. 1 is a kind of structural representation of NFC antenna provided in an embodiment of the present invention；
Fig. 2 is that aerial coil provided in an embodiment of the present invention is arranged at non-metallic regions lower section appointing between (0,1/2)
Relation schematic diagram between one ratio of meaning and the communication distance of antenna.
Wherein reference is expressed as：1- mobile terminals, 2-NFC antennas 2,11- bonnets, 12- metallic regions, the non-gold of 13-
Category region, 14- non-metallic regions, 15- functional areas, 21- aerial coils, 22- hollow areas.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with the embodiment of the present invention in it is attached
Figure, is clearly and completely described to the technical scheme in the embodiment of the present invention, it is clear that described embodiment is only this
A part of embodiment is invented, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art exist
The every other embodiment obtained under the premise of creative work is not made, the scope of protection of the invention is belonged to.
Embodiment 1
A kind of NFC antenna 2 is the embodiment of the invention provides, as shown in figure 1, the antenna applications are in a kind of mobile terminal 1,
The bonnet 11 of mobile terminal 1 includes metallic region 12, non-metallic regions 13.
The NFC antenna includes aerial coil 21, and aerial coil 21 is located at the rear portion of mobile terminal 1, when bonnet 11 is covered on
During the rear portion of mobile terminal 1, aerial coil 21 is arranged at the lower section of bonnet 11；
Aerial coil 21 is closed around a hollow area 22 is formed, and aerial coil 21 is arranged at non-less than 1/2 area portions
The lower section of metallic region 13；
The hollow area 22 can be regular shape, or irregular shape, in actual applications, if the hollow section
Domain is regular shape, can be circular, matrix and regular polygon etc., concrete shape of the embodiment of the present invention to the hollow area
It is not limited.
Aerial coil 21 is arranged at the lower section of metallic region 13 more than 1/2 area portions.
It is worth noting that, in actual applications, the ratio that the aerial coil 21 is arranged at the lower section of non-metallic regions 13 can
To be any one numerical value between interval (0,1/2), the embodiment of the present invention is not limited to specific numerical value.
The lower section of non-metallic regions 13 is arranged at less than 1/2 area portions by aerial coil 21, aerial coil 21 is more than
1/2 area portions are arranged at the lower section of metallic region 13, are ensureing that antenna is with low cost, model structure simple and superior performance
In advantage, the aesthetic property of mobile terminal is further increased, so as to improve the Consumer's Experience during user's use.
Preferably, the bonnet of mobile terminal is provided with One function region 15, and functional area 15 is arranged at hollow area 22
Surface, the area of the area of functional area 15 less than or equal to hollow area 22.
One function region is provided with by the bonnet of mobile terminal, functional area is arranged at the surface of hollow area,
Realize and hollow area is made full use of, it is to avoid for being arranged on the body of mobile terminal of antenna increases extra sky
Between, so as to simply and on the basis of the advantage of superior performance, reduce further the making of mobile terminal in guarantee model structure
Cost, while the aesthetic property of mobile terminal is also increased, so as to improve the Consumer's Experience during user's use.
Preferably, functional area 15 includes bonnet camera or fingerprint recognition module.In addition, the functional area may be used also
So that including other functions module, the embodiment of the present invention is not limited to specific functional module group.
Preferably, area of the area of metallic region 12 more than non-metallic regions 13.
Preferably, NFC antenna is used to realize that read-write, snap gauge are intended and point communications functionality.
Compared to traditional NFC antenna for realizing simple function, the antenna that the embodiment of the present invention is provided possesses read-write, card
Simulation and point communications functionality, can be by meeting various demands of user so that in mobile terminal manufacturing process, nothing
Other antenna need to be increased, so as to reduce further cost.
In order to the NFC antenna for further illustrating the embodiment of the present invention is realizing read-write mode (RM), snap gauge simulation models (CM)
And point communications functionality pattern (P2PM) can achieve the effect that, the embodiment of the present invention is arranged at by the aerial coil 21
Relation between any one ratio and the communication distance of antenna of non-metallic regions lower section between (0,1/2), illustrates the day
Line can achieve the effect that, in detail as shown in Figure 2.In fig. 2, x-axis is the ratio that aerial coil 21 is arranged at below non-metallic regions
Example (the antenna leakage size ratio i.e. in figure), y-axis is communication distance, and in fig. 2, the unit of communication distance is mm.
Preferably, bonnet at least includes two non-metallic regions, respectively non-metallic regions 13 and non-metallic regions 14, should
Metallic region 13 and metallic region 14 are located at the two ends of metallic region 12 respectively, to be symmetrical arranged.
By setting two non-metallic regions, and two non-metallic regions are symmetrical arranged, and further increase mobile whole
The aesthetic property at end.
Preferably, the area of metallic region 12 is more than non-metallic regions 13 and the sum of the area of non-metallic regions 14.
In order to the NFC antenna for further illustrating the embodiment of the present invention can achieve the effect that, in actual applications, metal area
The length in domain 12 can be 130mm, and wide can be 75mm.A length of 75mm of non-metallic regions 13 and non-metallic regions 14, it is a width of
10mm.A length of 40mm of hollow area 22, a width of 25mm.
A kind of NFC antenna is the embodiment of the invention provides, metallic region and Fei Jin are set by the bonnet in mobile terminal
Category region and aerial coil are arranged at the lower section of non-metallic regions less than 1/2 area portions, and aerial coil is more than 1/2 area portion
Setting up the structure of the lower section for being placed in metallic region separately, to realize NFC antenna normal effective logical in the mobile terminal with metal-back
News, while cracking for antenna is avoided, and this NFC antenna has with low cost, model structure simple and superior performance
Advantage.
Embodiment 2
The embodiment of the present invention additionally provides a kind of mobile terminal, and the bonnet 11 of mobile terminal 1 includes metallic region 12, non-gold
Category region 13 and non-metallic regions 14, and mobile terminal 1 is using NFC antenna as above.
Wherein, the length of metallic region 12 can be 130mm, and wide can be 75mm.Non-metallic regions 13 and non-metallic regions
14 a length of 75mm, a width of 10mm.A length of 40mm of hollow area 22, a width of 25mm, in actual applications, the hollow area 22
Can also be that the length of side is the square of 30mm.
The area of metallic region 12 is more than non-metallic regions 13 and the area sum of non-metallic regions 14.
This NFC antenna includes aerial coil 21, and aerial coil 21 is located at the rear portion of mobile terminal 1, when bonnet 11 is covered
When the rear portion of mobile terminal 1, aerial coil is arranged at the lower section of bonnet 11；
Aerial coil 21 is closed around a hollow area 22 is formed, and hollow area 22 is square, and aerial coil 21 is less than
1/2 area portions are arranged at the lower section of non-metallic regions 13；Aerial coil 21 is arranged at metallic region 13 more than 1/2 area portions
Lower section.
The bonnet of mobile terminal 1 is provided with One function region 15, and functional area 15 is arranged at just going up for hollow area 22
Side, the area of the area less than hollow area 22 of functional area 15.Functional area 15 is rhombus.
Functional area 15 includes bonnet camera or fingerprint recognition module, can also be fuselage logo.
NFC antenna is combining induction card reader and icah wavw on one chip, and this NFC antenna is used to realize reading
Write, snap gauge is intended and point communications functionality.
The invention also discloses a kind of mobile terminal 1, the bonnet 11 of mobile terminal 1 includes metallic region 12, non-metallic areas
Domain 13 and non-metallic regions 14, and mobile terminal 1 uses NFC antenna as described above.
A kind of mobile terminal provided in an embodiment of the present invention, metallic region and Fei Jin are set by the bonnet in mobile terminal
Category region and aerial coil are arranged at the lower section of non-metallic regions less than 1/2 area portions, and aerial coil is more than 1/2 area portion
Setting up the structure of the lower section for being placed in metallic region separately, to realize NFC antenna normal effective logical in the mobile terminal with metal-back
News, while cracking for antenna is avoided, and this NFC antenna has with low cost, model structure simple and superior performance
Advantage.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all it is of the invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.
Claims (7)
1. a kind of NFC antenna, it is characterised in that the antenna applications are in a kind of mobile terminal, the bonnet bag of the mobile terminal
Include metallic region and non-metallic regions；
The NFC antenna includes aerial coil, and the aerial coil is located at mobile terminal rear portion, when the bonnet be covered on it is described
During the rear portion of mobile terminal, the aerial coil is arranged at the lower section of the bonnet；
The aerial coil closure is arranged at described around a hollow area, the aerial coil is formed less than 1/2 area portions
The lower section of non-metallic regions；
The aerial coil is arranged at the lower section of the metallic region more than 1/2 area portions.
2. NFC antenna as claimed in claim 1, it is characterised in that the bonnet of the mobile terminal is provided with One function area
Domain, the functional area is arranged at the surface of the hollow area, and the area of the functional area is less than or equal to described
The area of hollow area.
3. NFC antenna as claimed in claim 2, it is characterised in that the functional area includes that bonnet camera or fingerprint are known
Other module.
4. NFC antenna as claimed in claim 3, it is characterised in that the area of the metallic region is more than the non-metallic areas
The area in domain.
5. NFC antenna as claimed in claim 4, it is characterised in that the NFC antenna be used to realizing read-write, snap gauge intend and
Point communications functionality.
6. NFC antenna as claimed in claim 5, it is characterised in that the bonnet at least includes two non-metallic regions, described
Two non-metallic regions are respectively positioned at the two ends of the metallic region.
7. a kind of mobile terminal, it is characterised in that the bonnet of the mobile terminal includes metallic region and non-metallic regions, and institute
Mobile terminal is stated using NFC antenna as claimed in any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611258261.9A CN106785351A (en) | 2016-12-30 | 2016-12-30 | A kind of mobile terminal and its NFC antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611258261.9A CN106785351A (en) | 2016-12-30 | 2016-12-30 | A kind of mobile terminal and its NFC antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106785351A true CN106785351A (en) | 2017-05-31 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611258261.9A Pending CN106785351A (en) | 2016-12-30 | 2016-12-30 | A kind of mobile terminal and its NFC antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106785351A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8905317B1 (en) * | 2012-06-07 | 2014-12-09 | Amazon Technologies, Inc. | Co-located passive UHF RFID tag and NFC antenna in compact electronic devices |
| CN105071022A (en) * | 2015-08-06 | 2015-11-18 | 电子科技大学 | Near-field communication antenna device |
-
2016
- 2016-12-30 CN CN201611258261.9A patent/CN106785351A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8905317B1 (en) * | 2012-06-07 | 2014-12-09 | Amazon Technologies, Inc. | Co-located passive UHF RFID tag and NFC antenna in compact electronic devices |
| CN105071022A (en) * | 2015-08-06 | 2015-11-18 | 电子科技大学 | Near-field communication antenna device |
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| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170531 |