CN105742787A - Metal shell-based near field communication device, electronic equipment and method - Google Patents
Metal shell-based near field communication device, electronic equipment and method Download PDFInfo
- Publication number
- CN105742787A CN105742787A CN201610074461.2A CN201610074461A CN105742787A CN 105742787 A CN105742787 A CN 105742787A CN 201610074461 A CN201610074461 A CN 201610074461A CN 105742787 A CN105742787 A CN 105742787A
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- China
- Prior art keywords
- metal shell
- wire
- metal
- junction
- field communication
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000002184 metal Substances 0.000 title claims abstract description 70
- 238000004891 communication Methods 0.000 title claims abstract description 37
- 238000000034 method Methods 0.000 title claims abstract description 8
- 230000005855 radiation Effects 0.000 claims description 3
- 229910000859 α-Fe Inorganic materials 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000696 magnetic material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical group C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/44—Details of, or arrangements associated with, antennas using equipment having another main function to serve additionally as an antenna, e.g. means for giving an antenna an aesthetic aspect
-
- 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
- H01Q1/2208—Supports; Mounting means by structural association with other equipment or articles associated with components used in interrogation type services, i.e. in systems for information exchange between an interrogator/reader and a tag/transponder, e.g. in Radio Frequency Identification [RFID] systems
- H01Q1/2225—Supports; Mounting means by structural association with other equipment or articles associated with components used in interrogation type services, i.e. in systems for information exchange between an interrogator/reader and a tag/transponder, e.g. in Radio Frequency Identification [RFID] systems used in active tags, i.e. provided with its own power source or in passive tags, i.e. deriving power from RF signal
-
- 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
- H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/20—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by the transmission technique; characterised by the transmission medium
- H04B5/24—Inductive coupling
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Telephone Set Structure (AREA)
Abstract
The invention provides a metal shell-based near field communication device, electronic equipment and a method. The metal shell-based near field communication device comprises a first metal shell, a second metal shell, a first wire, a second wire, a first circuit contact and a second circuit contact, wherein the first wire and the second wire are connected to the first metal shell; and a gap exists between the first metal shell and the second metal shell. The NFC function is achieved with a structure free of an antenna; an NFC antenna and ferrite are not needed; the cost of the electronic equipment is reduced; meanwhile, the appearance of the electronic equipment is not changed; the space of the electronic equipment of a mobile phone and the like is saved; the model structure is simple; and the performance is excellent.
Description
Technical field
The present invention relates to a kind of structure without antenna, be specifically related to a kind of near-field communication device based on metal-back and electronic equipment and method.
Background technology
NFC is a kind of wireless connect technology providing communication light, safe, rapid.First, NFC has the features such as distance is near, bandwidth is high, energy consumption is low.Secondly, NFC is compatible with existing contactless smart card technology, has become as at present and obtains the official standard that more and more leading firm supports.Again, NFC or one closely connection protocol, it is provided that various equipment rooms easily, safety, communicate rapidly and automatically.Compared with other connected modes in wireless world, NFC is a kind of in-plant secret communication mode.NFC plays huge effect in the fields such as gate inhibition, public transport, mobile-phone payment.Major part NFC mobile phone is built-in NFC chip, additional NFC antenna, along with mobile phone environment is more and more severe, interior of mobile phone space is more and more less, seldom there is the space providing additional NFC antenna, the main flow that mobile phone metal back cover will become, conventional NFC antenna performance under metal back cover environment all can suffer severe jamming, because the shielding of electromagnetic field is made conventional NFC antenna form eddy current by metal back cover, it is therefore desirable to propose a kind of to solve a current difficult problem based on metal back cover without the structure of antenna, the metal that mobile phone has originally is used to radiate to realize NFC performance, do not need NFC antenna, so the environment that mobile phone is metal back cover can be met, there is saving cost, do not change machine outward appearance simultaneously, realize saving mobile phone space, simple in construction, the features such as superior performance.
Summary of the invention
For defect of the prior art, it is an object of the invention to provide a kind of near-field communication device based on metal-back and electronic equipment and method.
According to a kind of near-field communication device based on metal-back provided by the invention, including the first metal shell, the first wire, the second wire, the first circuit junction, second circuit contact；
One end of first wire connects the first metal shell, and the other end of the first wire connects the first circuit junction；
One end of second wire connects the first metal shell, and the other end of the second wire connects second circuit contact；
The junction of the first wire and the first metal shell is designated as junction A；
The junction of the second wire and the first metal shell is designated as junction B；
Spacing is there is between described junction A and junction B.
Preferably, the second metal shell is also included；
Gap is there is between first metal shell and the second metal shell.
Preferably, the first wire is connected to the first circuit junction after coiling, and/or the second wire is connected to second circuit contact after coiling.
Preferably, the first wire, the second wire, the first circuit junction, second circuit contact are respectively positioned on the inner side of the first metal shell.
Preferably, described gap constitutes signal radiation window.
Preferably, described gap is engraved structure or fills non-magnetic shield medium.
Preferably, communication chip is also included；
First circuit junction, second circuit contact connecting communication chip.
According to a kind of electronic equipment provided by the invention, including the above-mentioned near-field communication device based on metal-back.
Preferably, described electronic equipment is mobile phone；
The housing of mobile phone includes the first metal shell, or the housing of mobile phone includes the first metal shell and the second metal shell.
According to a kind of near-field communication method based on metal-back provided by the invention, using the metal shell of electronic equipment as antenna.
Compared with prior art, the present invention has following beneficial effect:
The aerial coil that the present invention replaces with the first metal shell dexterously, NFC function is achieved with the structure without antenna, without NFC antenna and ferrite, save the cost of electronic equipment, do not change electronic equipment outward appearance simultaneously, saving the space of the electronic equipments such as mobile phone, its model structure is simple, superior performance.
Accompanying drawing explanation
By reading detailed description non-limiting example made with reference to the following drawings, the other features, objects and advantages of the present invention will become more apparent upon:
Fig. 1 is that conventional NFC coil cabling simplifies structural representation.
Fig. 2 is that conventional NFC coil cabling looks squarely structural representation above magnetic material.
Fig. 3 is the simplification structure top view of the near-field communication device based on metal-back provided by the invention.
Fig. 4 is the simplification structure diagonal view of the near-field communication device based on metal-back provided by the invention.
Fig. 5 is the current trend schematic diagram after the near-field communication device based on metal-back provided by the invention is energized.
Fig. 6 is the current trend schematic diagram that after the near-field communication device based on metal-back provided by the invention is energized, the first metal shell (the first half mobile phone metal back cover) radiates with the second metal shell (the latter half mobile phone metal back cover).
Fig. 7 is the fictitious magnetic field that the present invention produces.
Fig. 8 is provided by the invention based on the top view of coiling module in the near-field communication device of metal-back.
Fig. 9 is provided by the invention based on coiling module profile in the near-field communication device of metal-back.
In figure:
1, the first metal shell；
2, the second metal shell；
3, coiling module；
4, the junction of the non-coiling part of the first wire and coiling part；
5, the junction of the non-coiling part of the second wire and coiling part；
6, the first circuit junction；
7, second circuit contact；
8, one end of the first wire；
9, one end of the second wire；
10, coil；
11, base material；
12, coil feed point；
13, magnetic material；
14, coil window；
15, gap；
16, the first wire；
17, the second wire；
18, magnetic field.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in detail.Following example will assist in those skilled in the art and are further appreciated by the present invention, but do not limit the present invention in any form.It should be pointed out that, to those skilled in the art, without departing from the inventive concept of the premise, it is also possible to make some changes and improvements.These broadly fall into protection scope of the present invention.
As shown in Figure 3, Figure 4, according to a kind of near-field communication device based on metal-back provided by the invention, including communication chip, the first metal shell, the second metal shell, the first wire, the second wire, the first circuit junction, second circuit contact；One end of first wire connects the first metal shell, and the other end of the first wire connects the first circuit junction；One end of second wire connects the first metal shell, and the other end of the second wire connects second circuit contact；The junction of the first wire and the first metal shell is designated as junction A；The junction of the second wire and the first metal shell is designated as junction B；Spacing is there is between described junction A and junction B.Gap is there is between first metal shell and the second metal shell.Utilize the first metal shell to serve as a part for aerial coil based on the near-field communication device of metal-back, and apply the first metal shell and realize radiance.
Specifically, the first wire is connected to the first circuit junction after coiling, and the second wire is connected to second circuit contact after coiling.First wire, the second wire coiling part and coiling pedestal form coiling module, coiling module act as increase inductance value, wherein, coiling module makes the twisted-pair feeder form that can adopt X-type, as shown in Figure 8, Figure 9.Preferably, in coiling module, the first wire, the second wire coiling part around same axis in the same direction or oppositely extending, and form some X-shapeds each other and intersect.Described gap constitutes signal radiation window.Described gap is engraved structure or fills non-magnetic shield medium.First circuit junction, second circuit contact connecting communication chip, for instance, communication chip can be NFC chip.As shown in Figure 4, first wire, the second wire, the first circuit junction, second circuit contact are respectively positioned on the inner side of the first metal shell, when the first metal shell belongs to mobile phone battery cover, first wire, the second wire, the first circuit junction, second circuit contact are respectively positioned on the inner side of mobile phone battery cover, are namely positioned at the inside of handset shell.
More specifically, the first metal shell and the second metal shell conducting (in change case, the first metal shell and the second metal shell can also be not turned on)；The width in described gap can for 1mm to 3mm；Spacing between described junction A and junction B can for 2mm to 200mm, it is preferable that junction A and junction B lays respectively at 2 points that on described first metal shell medial surface, distance is farthest.
According to a kind of electronic equipment provided by the invention, including the described near-field communication device based on metal-back.Described electronic equipment can be such as mobile phone；The housing of mobile phone includes the first metal shell, or the housing of mobile phone includes the first metal shell and the second metal shell.
According to a kind of near-field communication method based on metal-back provided by the invention, using the metal shell of electronic equipment as antenna.Specifically, utilize metal shell to serve as a part for aerial coil, and applied metal housing realizes radiance.
Above specific embodiments of the invention are described.It is to be appreciated that the invention is not limited in above-mentioned particular implementation, those skilled in the art can make a variety of changes within the scope of the claims or revise, and this has no effect on the flesh and blood of the present invention.When not conflicting, embodiments herein and the feature in embodiment can arbitrarily be mutually combined.
Claims (10)
1. the near-field communication device based on metal-back, it is characterised in that include the first metal shell, the first wire, the second wire, the first circuit junction and second circuit contact；
One end of first wire connects the first metal shell, and the other end of the first wire connects the first circuit junction；
One end of second wire connects the first metal shell, and the other end of the second wire connects second circuit contact；
The junction of the first wire and the first metal shell is designated as junction A；
The junction of the second wire and the first metal shell is designated as junction B；
Spacing is there is between described junction A and junction B.
2. the near-field communication device based on metal-back according to claim 1, it is characterised in that also include the second metal shell；
Gap is there is between first metal shell and the second metal shell.
3. the near-field communication device based on metal-back according to claim 1, it is characterised in that the first wire is connected to the first circuit junction after coiling, and/or the second wire is connected to second circuit contact after coiling.
4. the near-field communication device based on metal-back according to claim 2, it is characterised in that the first wire, the second wire, the first circuit junction, second circuit contact are respectively positioned on the inner side of the first metal shell.
5. the near-field communication device based on metal-back according to claim 2, it is characterised in that described gap constitutes signal radiation window.
6. the near-field communication device based on metal-back according to claim 5, it is characterised in that described gap is engraved structure or fills non-magnetic shield medium.
7. the near-field communication device based on metal-back according to claim 1, it is characterised in that also include communication chip；
First circuit junction, second circuit contact connecting communication chip.
8. an electronic equipment, it is characterised in that include the near-field communication device based on metal-back according to any one of claim 1 to 7.
9. electronic equipment according to claim 8, it is characterised in that described electronic equipment is mobile phone；
The housing of mobile phone includes the first metal shell, or the housing of mobile phone includes the first metal shell and the second metal shell.
10. the near-field communication method based on metal-back, it is characterised in that using the metal shell of electronic equipment as antenna.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610074461.2A CN105742787A (en) | 2016-02-02 | 2016-02-02 | Metal shell-based near field communication device, electronic equipment and method |
| PCT/CN2016/077372 WO2017133064A1 (en) | 2016-02-02 | 2016-03-25 | Metal housing-based near field communication apparatus, electronic device, and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610074461.2A CN105742787A (en) | 2016-02-02 | 2016-02-02 | Metal shell-based near field communication device, electronic equipment and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105742787A true CN105742787A (en) | 2016-07-06 |
Family
ID=56245752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610074461.2A Pending CN105742787A (en) | 2016-02-02 | 2016-02-02 | Metal shell-based near field communication device, electronic equipment and method |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN105742787A (en) |
| WO (1) | WO2017133064A1 (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106250968A (en) * | 2016-07-25 | 2016-12-21 | 成都德杉科技有限公司 | Electronic tag without antenna rf and method for designing thereof |
| CN106486759A (en) * | 2016-09-26 | 2017-03-08 | 上海德门电子科技有限公司 | NFC structure based on metal shell and electronic equipment and using method |
| CN106505301A (en) * | 2016-09-26 | 2017-03-15 | 上海德门电子科技有限公司 | Lamination NFC antenna and electronic equipment and using method |
| CN107359411A (en) * | 2017-06-20 | 2017-11-17 | 上海德门电子科技有限公司 | Device based on electronic equipment rear shell radiation NFC signals |
| CN107871923A (en) * | 2016-09-26 | 2018-04-03 | 上海德门电子科技有限公司 | A kind of NFC components of the metal-back coiling module composition based on electronic equipment |
| CN109428170A (en) * | 2017-08-24 | 2019-03-05 | 上海德门电子科技有限公司 | NFC structure based on mobile device three-stage metal-back material |
| US11069964B2 (en) | 2017-02-28 | 2021-07-20 | Dongwoo Fine-Chem Co., Ltd. | Transparent film antenna |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109473764A (en) * | 2018-11-27 | 2019-03-15 | 深圳市海德门电子有限公司 | A kind of single sided board near field communication antenna mould group and its communication apparatus |
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| US11069964B2 (en) | 2017-02-28 | 2021-07-20 | Dongwoo Fine-Chem Co., Ltd. | Transparent film antenna |
| CN107359411A (en) * | 2017-06-20 | 2017-11-17 | 上海德门电子科技有限公司 | Device based on electronic equipment rear shell radiation NFC signals |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2017133064A1 (en) | 2017-08-10 |
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Application publication date: 20160706 |
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