CN107004952B - Circuit board and electronic device with the circuit board - Google Patents
Circuit board and electronic device with the circuit board Download PDFInfo
- Publication number
- CN107004952B CN107004952B CN201580066661.7A CN201580066661A CN107004952B CN 107004952 B CN107004952 B CN 107004952B CN 201580066661 A CN201580066661 A CN 201580066661A CN 107004952 B CN107004952 B CN 107004952B
- Authority
- CN
- China
- Prior art keywords
- monopole antenna
- antenna
- conducting wire
- circuit board
- resonance circuit
- Prior art date
- 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.)
- Expired - Fee Related
Links
- 230000005672 electromagnetic field Effects 0.000 claims abstract description 9
- 230000005404 monopole Effects 0.000 claims description 54
- 239000011469 building brick Substances 0.000 claims description 25
- 230000005855 radiation Effects 0.000 claims description 24
- 238000010586 diagram Methods 0.000 claims description 15
- 230000008878 coupling Effects 0.000 claims description 8
- 238000010168 coupling process Methods 0.000 claims description 8
- 238000005859 coupling reaction Methods 0.000 claims description 8
- 230000005611 electricity Effects 0.000 claims description 7
- 230000003447 ipsilateral effect Effects 0.000 claims description 4
- 239000000758 substrate Substances 0.000 description 13
- 239000010410 layer Substances 0.000 description 9
- 239000004020 conductor Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000005457 optimization Methods 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000001151 other effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000002356 single layer Substances 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
- H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
Abstract
A kind of circuit board (1) and the electronic device with the circuit board (1).The circuit board (1) includes: antenna (2)；The conducting wire being integrated in around the antenna (2)；And decoupling resonant element (4), wherein the decoupling resonant element (4) is arranged between the antenna (2) and the conducting wire, and the antenna (2) is isolated with the conducting wire electromagnetic field.
Description
Technical field
The present invention relates to a kind of circuit board and with the electronic device of the circuit board.
Background technique
With the development of wireless communication technique and the extensive use in every profession and trade, the design of antenna also faces huge
Challenge.On the one hand, the remote transmission demand of high quality, to the radiation efficiency of antenna, directional diagram and gain have higher
It is required that.On the other hand, the equipment being increasingly miniaturized, overall compact circuit pursue cheap cost, all limit the big of antenna
Small size and radiation efficiency.The contradiction of these two aspects has promoted antenna constantly towards miniaturization, and multiband direction is developed.With
Interacting between this highly integrated simultaneously circuit and mutiple antennas has become a kind of common problem, collects in height
At equipment in, electronic component and various conducting wires have become can not look down upon to the limitation of aerial radiation efficiency.
Traditional technology generally reduces coupling using the distance between antenna and electronic building brick, other antennas, conducting wire etc. is increased
Close and reduce influence of other effects to antenna performance.Or increased by the way of polarity diversity between multiple antennas every
From degree.But due to increasing antenna and the distance between conducting wire or other antennas, in the design of equipment, it is more likely that
It needs to occupy a large amount of space, is unfavorable for circuit integration integration.And in many compact designs, due to space limitations, antenna
With the distance between other assemblies and conducting wire often very close to.These influences are usually ignored in traditional design, to cause
The decline of aerial radiation efficiency.
Summary of the invention
In view of the foregoing, it is necessary to which the radiation characteristic of antenna and the circuit board of efficiency can be guaranteed by providing one kind.
It there is a need to provide a kind of electronic device with the circuit board.
A kind of circuit board, the circuit board include: antenna；The conducting wire being integrated in around the antenna；And decoupling resonance list
Member, wherein the decoupling resonant element is arranged between the antenna and the conducting wire, and the antenna is led with described
The isolation of electric line electromagnetic field.
In some embodiments, the decoupling resonant element includes one or more resonators, the one or more resonance
Device generates specific resonance frequency.
In some embodiments, working frequency of the frequency caused by each resonator equal to the antenna and/or each resonance
The physical length of device is quarter-wave, half wavelength or its integral multiple of the operating frequency of antenna.
In some embodiments, the shape of the multiple resonator is entirely different or part is different, and the shape is completely not
Same or different part resonator is arranged between the antenna and the conducting wire with scheduled arrangement mode.
In some embodiments, the multiple resonator parallel arranged is in a row, near and parallel to the antenna element.
In some embodiments, the conducting wire is the electronic building brick of the interference caused by antenna, the electronic building brick
It is located in the same side of the circuit board with the antenna.
In one embodiment, the circuit board includes connecting wire, and the connecting wire and the antenna are located at the electricity
On the not ipsilateral of road plate and the decoupling resonant element and the conducting wire are respectively arranged in the circuit board two it is opposite
Side surface on.
In some embodiments, the circuit board is multilayered structure, and the conducting wire includes the interference caused by antenna
Electronic building brick, and when the electronic building brick and the antenna layer that be located at the circuit board different, the decoupling resonance
Layer where layer is located at the antenna where unit and electronic building brick institute are between layers.
In some embodiments, the antenna is monopole antenna.
In some embodiments, the circuit board further includes the feed structure being electrically connected with the antenna, the feed
Structure is coplanar wave guide feedback structure.
A kind of electronic device, the electronic device have circuit board as described above.
In one embodiment, the electronic device is remote control device, mobile phone, computer, electronic reader or smartwatch.
In another embodiment, the electronic device is the remote control device for remotely pilotless aircraft or unmanned flight
Device.
Compared with prior art, in antenna and the conductor wire being integrated in around the antenna on circuit board of the present invention
It is added to decoupling resonant element between road, generates resonance using the decoupling resonant element to reduce antenna and the conducting wire
Between coupling, increase the electromagnetic field between antenna and the conducting wire using decoupling resonant element and be isolated so that
Antenna is able to maintain higher radiation efficiency and keeps original antenna pattern, ensure that the radiation characteristic and effect of antenna
Rate.
Detailed description of the invention
Fig. 1 is the exploded view of the circuit board of present pre-ferred embodiments.
Fig. 2 is the top view of the circuit board of present pre-ferred embodiments.
Fig. 3 is the bottom view of the circuit board of present pre-ferred embodiments.
Fig. 4 illustrates the contrast schematic diagram of antenna simulation efficiency.
Fig. 5 illustrates the face the E direction schematic diagram of antenna shown in Fig. 1.
Fig. 6 illustrates the face the H direction schematic diagram of antenna shown in Fig. 1.
Main element symbol description
The present invention that the following detailed description will be further explained with reference to the above drawings.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that the described embodiments are merely a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other
Embodiment shall fall within the protection scope of the present invention.
With reference to the accompanying drawing, it elaborates to some embodiments of the present invention.In the absence of conflict, following
Feature in embodiment and embodiment can be combined with each other.
Referring to Fig. 1, being the exploded view of present pre-ferred embodiments circuit board 1, Fig. 2 and Fig. 3 are preferably implementation of the invention
The top and bottom perspective views of example circuit board 1.The circuit board 1 includes, but are not limited to antenna 2, feed structure 3, decoupling resonance list
Member 4, electronic building brick 5, substrate 6 and connecting wire 7.The substrate 6 is antenna 2, feed structure 3, decoupling resonant element 4, electronics
The carrier of component 5 and connecting wire 7, the substrate 6 can be single layer substrate or multilager base plate.In the preferred embodiment, described
Circuit board 1 is as the circuit board integrated printed by above-mentioned device is integrated, for example, the circuit board 1 can be flexible print circuit
Plate.In other preferred embodiments, the circuit board is also possible to non-flexible printed circuit board, such as pcb board.
In the preferred embodiment, the antenna 2, feed structure 3, decoupling resonant element 4, electronic building brick 5 are arranged in institute
It states on a side surface of substrate 6 (such as upper surface of the substrate 6 described in Fig. 1) and the connecting wire 7 is arranged in
On another side surface of the circuit board (such as lower surface of the substrate 6 described in Fig. 1).By the way that connecting wire 7 is set
It is placed in the antenna 2 on the not ipsilateral of the substrate 6, further helps to reduce the connecting wire 7 to described
The interference of antenna 2.
In other preferred embodiments, the arrangement of above-mentioned each device can also be according to actual needs and different.For example, described
Electronic building brick 5 and the antenna 2 can also be located on the not ipsilateral of the substrate 6.
In one embodiment, the antenna 2 can be the antenna assembly of various types and structure, for example, Wimax antenna,
WiFi antenna, mimo antenna etc..In the preferred embodiment, the antenna 2 is carried out by taking the monopole antenna of planographic as an example
Explanation.Planographic monopole antenna refers to that (its usual length is about for a kind of strip conductor microstrip lines for being printed on medium substrate surface
The quarter-wave of operating frequency of antenna).
The antenna 2 is fed using the feed structure 3.The feed structure 3 can be various feeding classifications
Feed element.Common feeding classification includes: coaxial feeding, feed microstrip line and coplanar wave guide feedback etc..It is preferably real at this
It applies in example, the feed structure 3 is illustrated by taking coplanar wave guide feedback structure as an example.It should be noted that being supplied using co-planar waveguide
The flat plane antenna of electricity can be for example, gradual change slot antenna, multimode antenna, monopole antenna, circular polarized antenna etc..Referring to Fig. 1,
The antenna 2 is on the same surface of the substrate 6 with the feed structure 3, the antenna 2 and 3 benefit of feed structure
It is linked together with microstrip line co-planar waveguide.The connection type of the antenna 2 and the feed structure 3 is those skilled in the art
Known general connection type, does not do excessive explanation herein.
In one embodiment, the decoupling resonant element 4 includes multiple resonators.The resonator is to generate resonance frequency
Electronic building brick.In the preferred embodiment, each resonator is the effigurate resonator of tool made of copper sheet, such as E
The various any suitable shapes such as font, I-shaped, round or " returning " font.In other preferred embodiments, the decoupling is humorous
Vibration unit 4 can be each quasi resonant oscillator made of the materials such as other metal materials or nonmetallic materials, and the resonator can also
Think resonance circuit etc..The shape and quantity of the resonator can be configured according to the practical structures of the circuit board 1.When
So, in other embodiments, according to the difference of the structure of the circuit board 1, the decoupling resonant element 4 also may include one
Resonator.It should be noted that each resonator, which can produce specific resonance frequency, (for reducing the antenna 2 and is set to this
The frequency of the coupling between electronic building brick 5 around antenna 2 and the company for reducing the antenna 2 and being set to around the antenna 2
Connect the frequency of the coupling between conducting wire 7, that is, reduce the resonance frequency of interference), to guarantee that the antenna 2 can be with original property
It can be radiated with mode.The length of each resonator is also useful for the required frequency for reducing interference.It is real one
It applies in example, the physical length (that is, length after expansion) of each resonator can be a quarter of operating frequency of antenna
Wavelength (λ/4), half wavelength or its integral multiple etc..The working frequency of antenna is equal to the resonance frequency of resonator.It should illustrate
, multiple decoupling resonant elements 4 of the present invention are independently of the device except the antenna 2.
The electronic building brick 5 can be integrated in the other assemblies around the antenna 2, and the electronic building brick 5 is after powered up
The antenna 2 can be interfered.In one embodiment, the electronic building brick 5 can be electronic chip.
The connecting wire 7 is used to connect the other structures on the electronic building brick 5 and the circuit board 1.The connection
Conducting wire 7 can also interfere the antenna 2 after powered up.Fig. 1 and Fig. 3 are please referred to, four connecting wires 7 are illustrated.
In one embodiment, the decoupling resonant element 4 is arranged in the antenna 2 and the electricity with scheduled arrangement mode
It between sub-component 5 or is arranged between the antenna 2 and the connecting wire 7, near the antenna 2 and the antenna 2
The isolation of 5 electromagnetic field of electronic building brick, or the antenna 2 is isolated with 7 electromagnetic field of connecting wire near the antenna 2, to reduce
The coupling between electronic building brick 5 or connecting wire 7 near the antenna 2 and the antenna 2.
In the preferred embodiment, with the decoupling resonant element 4 with scheduled arrangement mode be arranged in the antenna 2 with
It is illustrated between the electronic building brick 5.In other preferred embodiments, the decoupling resonant element 4 can also make a reservation for
Arrangement mode be arranged between the antenna 2 and the connecting wire 7 for be illustrated.
It should be understood that the electronic building brick 5 is to lead to what the antenna 2 interfered with the connecting wire 7
Electric line.The decoupling resonant element 4 is arranged in the feelings between the antenna 2 and the conducting wire with scheduled arrangement mode
Condition includes: (1) when the antenna 2 is set to the same side of the circuit board 1 with the conducting wire, the decoupling resonance
The location arrangements of unit 4 are between antenna 2 described on the side of the circuit board 1 and the conducting wire；(2) when the electricity
At least three-decker of road plate 1 and the different floor of the circuit board 1 is respectively arranged between the antenna 2 and the conducting wire
When upper, the layer where the decoupling resonant element 4 is located at the 2 place layer of antenna and conducting wire institute between layers.
Referring again to Fig. 1 and Fig. 2, for example, decoupling resonant element described in Fig. 14 includes three resonators, each resonator
It is generally shaped like the shape that two pulses add a rising edge.It should be appreciated that the shape of resonator is not limited in practical application
This, as long as the resonance frequency of each resonator is equal to the working frequency of antenna and/or the physical length of each resonator (that is, expansion
Length afterwards) be 2 working frequency of antenna quarter-wave (λ/4), half wavelength or its integral multiple, and
It is not limited to the present embodiment.Fig. 1 and three with same shape resonator parallel arranged shown in Fig. 2, are close to the day
Line 2 is simultaneously parallel with the antenna 2, and is respectively positioned on the upside of the antenna 2 and the right side of the electronic building brick 5, this three humorous
Vibration device is also at the upper layer for being right against the connecting wire 7 (another side surface in the substrate 6) (such as described simultaneously
One side surface of substrate 6 corresponds to the position of the connecting wire 7).
In other preferred embodiments, the shape of each resonator be also possible to it is not identical (including it is entirely different or part not
Together), multiple resonator can periodically be arranged with fixed or unfixed sequence.For example, two or more
Resonator of different shapes is periodically arranged.
The distance between the decoupling resonant element 4 and the antenna 2 are preset optimization distance value, for example, setting
The electronic building brick 5 and/or connecting wire 7 can be reduced to the maximum extent for institute for the preset optimization position and distance
State the influence of 2 radiation efficiency of antenna.The optimization distance value can according to the shape of the antenna 2 and/or the resonator and
The difference of material and carry out corresponding setting.For example, the decoupling resonant element 4 is set between antenna 2 and electronic building brick 5
Electromagnetic field intensity maximum value at.In addition, the decoupling resonant element 4 can also basis relative to the position of the antenna 2
Actual demand is arranged in correspondence with, for example, upside, left side, the right side etc. of the antenna 2 can be arranged in.
Foregoing circuit plate 1 can be applied in an electronic device (diagram is not shown).The electronic device can be remote control dress
It sets, any suitable device such as mobile phone, computer, electronic reader, smartwatch.The circuit board 1 is placed in the electronic device
Shell (diagram is not shown) in.In one embodiment, the electronic device can be (illustrates not for remotely pilotless aircraft
Show) remote control device (diagram is not shown).It should be understood that the electronic device can also be movable equipment, for example,
Automobile, steamer, unmanned vehicle etc..
Referring to Fig. 4, being the radiation efficiency contrast schematic diagram of the antenna 2.Show design frequency in 2.4GHz in Fig. 4
The efficiency of monopole antenna within the scope of to 2.5GHz.The monopole antenna is fed by coplanar wave guide feedback structure, independent
In the presence of, radiation efficiency is higher and (passes through antenna greatest irradiation direction in the face H and is parallel to the flat of magnetic vector
Face) there is good omni-directional in direction.But due to thering are other electronic building bricks and conducting wire to be in the very small range of the antenna,
Therefore the efficiency of the monopole antenna and directional diagram can all be affected.
Wherein, curve A indicates the radiation efficiency when monopole antenna does not have decoupling resonant element nearby, curve B table
Show the radiation efficiency when monopole antenna nearby increases decoupling resonant element.It can be seen that from two curves in Fig. 4
When near monopole antenna without addition decoupling resonant element 4, due to the influence of neighbouring plain conductor, the monopole antenna
Radiation efficiency be about 60%-70%, further, since cross line the problem of, the maximum gain of the monopole antenna is only
1.3dBi, out-of-roundness are about 3dB.It compares, by (being also at the lower section, described of the antenna 2 on the upper layer of connecting wire 7
The side of electronic building brick 5) it is added to after the decoupling resonant element 4, the radiation efficiency of the monopole antenna is identical
Frequency range has reached about 90%, and the maximum gain of the monopole antenna has also reached 2.7dBi at the same time, and out-of-roundness is less than
1.7dB。
Fig. 5 and Fig. 6 are please referred to, the face E that Fig. 5 illustrates the monopole antenna (by antenna greatest irradiation direction and is put down
Row is in the plane of electric field intensity) direction schematic diagram and Fig. 6 illustrate the face the H direction schematic diagram of the monopole antenna.From figure
5 and Fig. 6 can be seen that by being added to decoupling resonant element 4, can obtain more symmetrical omnidirectional radiation directional diagram, so that
The antenna 2 is able to maintain original antenna pattern.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (10)
1. a kind of circuit board of the remote control device applied to unmanned vehicle or for remotely pilotless aircraft, which is characterized in that
The circuit board includes:
Monopole antenna；
The conducting wire being integrated in around the monopole antenna；
And decoupling resonant element, the decoupling resonant element include one or more for generating the humorous of particular resonant frequency
Shake circuit, for reducing the coupling between the monopole antenna and conducting wire, wherein the resonance circuit is arranged in described
Between monopole antenna and the conducting wire, the monopole antenna is isolated with the conducting wire electromagnetic field, it is described
The distance between resonance circuit and the monopole antenna are configured to reduce the conducting wire to the maximum extent for institute
State the influence of monopole antenna radiation efficiency；
The circuit board has at least three-decker and the monopole antenna and the conducting wire are respectively arranged at the electricity
On the different floor of road plate, layer and the conducting wire institute where the layer where the resonance circuit is located at the monopole antenna
In between layers；The resonance circuit generates more symmetrical for improving monopole antenna in the radiation efficiency of 2.4-2.5GHz
Omnidirectional radiation directional diagram；
And
The circuit board further includes the feed structure being electrically connected with the monopole antenna, the monopole antenna and the feedback
Electric structure is linked together using microstrip line co-planar waveguide.
2. circuit board as described in claim 1, which is characterized in that frequency caused by the resonance circuit is equal to the monopole
The working frequency of sub-antenna.
3. circuit board as described in claim 1, which is characterized in that the multiple resonance circuit parallel arranged.
4. circuit board as described in claim 1, which is characterized in that the conducting wire is to cause to do to the monopole antenna
The electronic building brick disturbed.
5. a kind of remote control device for remotely pilotless aircraft, the remote control device includes a circuit board, which includes:
Monopole antenna；
The conducting wire being integrated in around the monopole antenna；And decoupling resonant element, the decoupling resonant element include one
It is a or multiple for generating the resonance circuit of particular resonant frequency, to reduce the coupling between the monopole antenna and conducting wire
It closes, wherein the resonance circuit is arranged between the monopole antenna and the conducting wire, by the monopole antenna
It is isolated with the conducting wire electromagnetic field, the distance between the resonance circuit and the monopole antenna are configured to maximum
Reduce to limit influence of the conducting wire for the monopole antenna radiation efficiency；
The circuit board has at least three-decker and the monopole antenna and the conducting wire are respectively arranged at the electricity
On the different floor of road plate, layer and the conducting wire institute where the layer where the resonance circuit is located at the monopole antenna
In between layers, the resonance circuit generates more symmetrical for improving monopole antenna in the radiation efficiency of 2.4-2.5GHz
Omnidirectional radiation directional diagram；
And
The circuit board further includes the feed structure being electrically connected with the monopole antenna, the monopole antenna and the feedback
Electric structure is linked together using microstrip line co-planar waveguide.
6. remote control device as claimed in claim 5, which is characterized in that frequency caused by the resonance circuit is equal to the list
The working frequency of pole sub-antenna.
7. remote control device as claimed in claim 6, which is characterized in that the multiple resonance circuit parallel arranged.
8. remote control device as claimed in claim 5, which is characterized in that the conducting wire is the electronics interfered to antenna
Component.
9. remote control device as claimed in claim 8, which is characterized in that the circuit board includes connecting wire, and the connection is led
Line and the monopole antenna are located on the not ipsilateral of the circuit board.
10. a kind of unmanned vehicle, the unmanned vehicle includes a circuit board, which includes:
Monopole antenna；
The conducting wire being integrated in around the monopole antenna；And it is one or more for generating the resonance of particular resonant frequency
Circuit, for reducing the coupling between the monopole antenna and conducting wire, wherein the resonance circuit is arranged in the list
Between pole sub-antenna and the conducting wire, the monopole antenna is isolated with the conducting wire electromagnetic field, it is described humorous
Vibration the distance between circuit and the monopole antenna are configured to reduce the conducting wire to the maximum extent for described
The influence of monopole antenna radiation efficiency；
The circuit board has at least three-decker and the monopole antenna and the conducting wire are respectively arranged at the electricity
On the different floor of road plate, layer and the conducting wire institute where the layer where the resonance circuit is located at the monopole antenna
In between layers, the resonance circuit generates more symmetrical for improving monopole antenna in the radiation efficiency of 2.4-2.5GHz
Omnidirectional radiation directional diagram；
And
The circuit board further includes the feed structure being electrically connected with the monopole antenna, the monopole antenna and the feedback
Electric structure is linked together using microstrip line co-planar waveguide.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2015/094883 WO2017084037A1 (en) | 2015-11-18 | 2015-11-18 | Circuit board and electronic apparatus having circuit board |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107004952A CN107004952A (en) | 2017-08-01 |
| CN107004952B true CN107004952B (en) | 2019-09-06 |
Family
ID=58717193
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201580066661.7A Expired - Fee Related CN107004952B (en) | 2015-11-18 | 2015-11-18 | Circuit board and electronic device with the circuit board |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107004952B (en) |
| WO (1) | WO2017084037A1 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101036262A (en) * | 2004-08-20 | 2007-09-12 | 诺基亚公司 | Improving antenna isolation using grounded microwave elements |
| CN205178014U (en) * | 2015-11-18 | 2016-04-20 | 深圳市大疆创新科技有限公司 | Circuit board and electronic device having circuit board |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2288778T3 (en) * | 1998-02-20 | 2008-01-16 | Qualcomm Incorporated | SUBSTRATE ANTENNA THAT INCLUDES AN ELEMENT THAT PREVENTS ENERGY COUPLING BETWEEN THE ANTENNA AND DRIVERS. |
| US8416138B2 (en) * | 2008-12-29 | 2013-04-09 | Calamp Corp. | Multiband antenna including antenna elements connected by a choking circuit |
| CN201893439U (en) * | 2009-12-16 | 2011-07-06 | 国基电子（上海）有限公司 | Multi-antenna system |
| FI124066B (en) * | 2010-06-01 | 2014-02-28 | Marisense Oy | Arrangement to reduce interference on the electronic shelf |
| CN103825093A (en) * | 2012-11-16 | 2014-05-28 | 启碁科技股份有限公司 | Decoupling circuit and antenna apparatus |
| CN103367893A (en) * | 2013-07-04 | 2013-10-23 | 云南大学 | High-isolation broadband two-antenna system |
| CN104681985A (en) * | 2015-02-13 | 2015-06-03 | 昆山联滔电子有限公司 | Three-dimensional antenna |
| CN204696240U (en) * | 2015-06-12 | 2015-10-07 | 河北电信设计咨询有限公司 | Lte antenna isolation structure |
-
2015
- 2015-11-18 CN CN201580066661.7A patent/CN107004952B/en not_active Expired - Fee Related
- 2015-11-18 WO PCT/CN2015/094883 patent/WO2017084037A1/en active Application Filing
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101036262A (en) * | 2004-08-20 | 2007-09-12 | 诺基亚公司 | Improving antenna isolation using grounded microwave elements |
| CN205178014U (en) * | 2015-11-18 | 2016-04-20 | 深圳市大疆创新科技有限公司 | Circuit board and electronic device having circuit board |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2017084037A1 (en) | 2017-05-26 |
| CN107004952A (en) | 2017-08-01 |
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Granted publication date: 20190906 |