CN105098371B - A kind of electronic equipment and its antenna assembly - Google Patents
A kind of electronic equipment and its antenna assembly Download PDFInfo
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- CN105098371B CN105098371B CN201410184384.7A CN201410184384A CN105098371B CN 105098371 B CN105098371 B CN 105098371B CN 201410184384 A CN201410184384 A CN 201410184384A CN 105098371 B CN105098371 B CN 105098371B
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Abstract
This application discloses a kind of electronic equipment and its antenna assembly, the antenna assembly includes：Artificial magnetic conductor structure, the Artificial magnetic conductor structure include：Dielectric layer；Conductive layer in one side surface of the dielectric layer is set；Multiple Electricity conductive plasters in another side surface of the dielectric layer are set, and the multiple Electricity conductive plaster is periodically arranged in the dielectric layer surface；Antenna element in the Artificial magnetic conductor structure side is set, and the antenna element insulate with the Artificial magnetic conductor structure；Circuit main board in the artificial magnetic conductor other side is set, and the circuit main board includes：Communication device；Wherein, the antenna is connect by feeder line with the feed point of the communication device.The antenna assembly and electronic equipment with the antenna assembly are smaller to the radiation of human body with higher radiation efficiency, while when in use.
Description
Technical field
This application involves antenna assembly technical fields, more specifically to a kind of electronic equipment and its antenna assembly.
Background technology
The radio signal of radio transmitter output, is transported to antenna, by antenna with electromagnetic wave spoke by feeder line
It is shot out.After electromagnetic wave reaches reception place, by antenna next, and being transported to radio receiver by feeder line.As it can be seen that day
As soon as line is the important wireless device of communication apparatus electromagnetic wave for transmitting and receiving, without antenna without current whole
Electronic equipment for radio communication.
Due to human body can electromagnetic wave absorption, the radiation efficiency of the antenna of electronic equipment can be caused relatively low, on the other hand, electricity
Electromagnetic wave radiation can influence the health of people.Therefore, a kind of high radiation efficiency how is provided, the antenna smaller to human body radiation is current
One, communication electronic device field urgent problem to be solved.
Invention content
In order to solve the above technical problems, the application provides a kind of electronic equipment and its antenna assembly, to improve antenna assembly
Radiation efficiency, reduce radiation of the aerial signal to human body.
To achieve the above object, the application provides the following technical solutions：
The antenna assembly of a kind of electronic equipment, the antenna assembly include：
Artificial magnetic conductor structure, the Artificial magnetic conductor structure include：Dielectric layer；It is arranged in one side surface of the dielectric layer
Conductive layer；Multiple Electricity conductive plasters in another side surface of the dielectric layer are set, and the multiple Electricity conductive plaster is periodically set
It sets in the dielectric layer surface；
Antenna element in the Artificial magnetic conductor structure side, the antenna element and the artificial magnetic conductor knot are set
Structure insulate；
Circuit main board in the artificial magnetic conductor other side is set, and the circuit main board includes：Communication device；
Wherein, the antenna is connect by feeder line with the feed point of the communication device.
Preferably, it is used in said antenna device, at the feed point and loads nickel zinc on balun design and/or the feeder line
Ferrite.
Preferably, in said antenna device, the Artificial magnetic conductor structure is with the encapsulated rear casing of the electronic equipment
Substrate；
Or, the Artificial magnetic conductor structure is using the battery of the electronic equipment as substrate；
Or, the Artificial magnetic conductor structure is using the metallic shield of the electronic equipment as substrate.
Preferably, in said antenna device, the center at the center of the antenna element and the Artificial magnetic conductor structure
It is oppositely arranged.
Preferably, in said antenna device, the feeder line is radio-frequency cable microstrip line or strip line.
Preferably, in said antenna device, the dielectric layer is ceramic layer.
Preferably, in said antenna device, the antenna element is dipole antenna configuration or array antenna knot
Structure PIFA antenna structures or MONOPOLE antenna structures.
Present invention also provides a kind of electronic equipment, the electronic equipment includes the day described in any of the above-described kind of embodiment
Line apparatus.
Preferably, in above-mentioned electronic equipment, the electronic equipment is：
Mobile phone, tablet computer or wearable electronic equipment.
It can be seen from the above technical proposal that antenna assembly provided herein has artificial magnetic conductor
(artificial magnetic conductors, abbreviation AMC) structure, and Artificial magnetic conductor structure has ideal magnetic wall to flat
The same-phase reflection characteristic of surface wave, can improve the radiation efficiency of antenna element.And antenna assembly described in the technical program is by institute
It states antenna element to be arranged in the side of the Artificial magnetic conductor structure, passes through the same-phase of the Artificial magnetic conductor structure plane wave
Reflection characteristic can effectively prevent aerial signal that the side radiation of antenna element is not arranged to Artificial magnetic conductor structure, use
When electronic equipment with the antenna assembly, it is only necessary to which operator is located at the side that antenna element is not arranged for Artificial magnetic conductor structure
Radiation hazradial bundle of the aerial signal to human body of antenna element radiation can be effectively reduced.Therefore, the antenna assembly and have
The electronic equipment of the antenna assembly has higher radiation efficiency, while smaller to the radiation of human body when in use.
Description of the drawings
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of application for those of ordinary skill in the art without creative efforts, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is a kind of structural schematic diagram of Artificial magnetic conductor structure provided by the embodiments of the present application；
Fig. 2 is a kind of invention structural schematic diagram of the Electricity conductive plaster layout of Artificial magnetic conductor structure provided in this embodiment；
Fig. 3 is the structural representation of the Electricity conductive plaster layout of another Artificial magnetic conductor structure provided by the embodiments of the present application
Figure；
Fig. 4 is the structural schematic diagram of a kind of electronic equipment provided by the embodiments of the present application；
Fig. 5 is the test waveform figure of the return loss of the antenna assembly of a kind of electronic equipment provided by the embodiments of the present application.
Specific implementation mode
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of embodiments of the present application, instead of all the embodiments.It is based on
Embodiment in the application, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall in the protection scope of this application.
One embodiment of the application provides a kind of antenna assembly, for can wireless telecommunications electronic equipment, the day
Line apparatus includes：Artificial magnetic conductor structure；Antenna element in the Artificial magnetic conductor structure side, the antenna element are set
It insulate with the Artificial magnetic conductor structure；Circuit main board in the artificial magnetic conductor other side, the circuit main board packet are set
It includes：Communication device.Wherein, the antenna element is connect by feeder line with the feed point of the communication device.
With reference to figure 1, Fig. 1 is a kind of structural schematic diagram of Artificial magnetic conductor structure provided in this embodiment, the artificial magnetic
Conductor structure includes：Dielectric layer 1；Conductive layer 2 in one side surface of the dielectric layer is set；Setting is another in the dielectric layer 1
Multiple Electricity conductive plasters 3 of side surface.Wherein, the Electricity conductive plaster 3 by corresponding conductive through hole 4 and is arranged in the dielectric layer
The conductive layer 2 of 1 contralateral surface is electrically connected.
The dielectric layer of Artificial magnetic conductor structure described in the present embodiment is prepared using ceramic material, on the one hand, utilizes ceramic material
The excellent heat conductivity performance of material can quickly pass heat in each electronic component of electronic equipment, and then auxiliary electron is set
Standby heat dissipation；On the other hand, using the excellent electrical insulation capability of ceramic material, dielectric layer is enabled to be provided with the table of Electricity conductive plaster
Face has high surface impedance, the electromagnetism gap of setting wave band is formed, so that Artificial magnetic conductor structure does not support the setting
Surface wave is propagated in wave band so that the Artificial magnetic conductor structure preferably can prevent aerial signal to be radiated artificial magnetic conductor
The side of antenna element is not set.
The multiple Electricity conductive plaster 3 is periodically arranged in the dielectric layer surface.It can be by the way that the conductive label be arranged
Distribution of the piece 3 on the dielectric layer 1 and described to adjust by the way that shape and structure or the size of the Electricity conductive plaster 3 is arranged
Artificial magnetic conductor structure reflects the aerial signal of setpoint frequency so that the Artificial magnetic conductor structure can reflect and day
Line unit corresponds to the aerial signal of wave band, to improve radiation frequency and preferably aerial signal be prevented to be radiated artificial magnetic conductor
The side of antenna element is not set.
With reference to figure 2, Fig. 2 is a kind of structural representation of the Electricity conductive plaster layout of Artificial magnetic conductor structure provided in this embodiment
Scheme, in Fig. 2 illustrated embodiments, each Electricity conductive plaster includes：Six conductive bars, wherein four in six conductive bars
Conductive bar constitutes a square, perpendicular bisector of the two other conductive bar respectively as square two groups of opposite side.
In the topology layout of the Electricity conductive plaster of structure shown in Fig. 2, the conductive through hole of Electricity conductive plaster can be arranged in the Electricity conductive plaster
In dielectric layer below arbitrary conductive bar, it is preferred that for the ease of the preparation of Artificial magnetic conductor structure, which is corresponded to
Conductive through hole be arranged where it in dielectric layer below square center O1.
With reference to figure 3, Fig. 3 is that the structure of the Electricity conductive plaster layout of another Artificial magnetic conductor structure provided in this embodiment is shown
It is intended to, in Fig. 3 illustrated embodiments, each Electricity conductive plaster includes：Four conductive bars, the conductive bar constitute one and are not closed
Square, four it is described it is inc square be located at it is same square in, and constitute a centrosymmetric image, four
The inc square is electrically connected to each other with symmetrical centre O2.In structure shown in Fig. 3, any one Electricity conductive plaster is led
Electric through-hole can be arranged in the dielectric layer below the arbitrary conductive bar of the Electricity conductive plaster, it is preferred that for the ease of artificial magnetic conductance
The corresponding conductive through hole of the Electricity conductive plaster is arranged in the dielectric layer below its symmetrical centre O2 for the preparation of body structure.
The realization method of the structure of the Electricity conductive plaster of artificial magnetic conductor described in the present embodiment is not limited only to Fig. 2 as shown in figure 3
Embodiment.The conductive label of setting shape and layout can be formed in the dielectric layer surface with etching technics by depositing
Piece.
Antenna assembly described in the present embodiment has Artificial magnetic conductor structure, and Artificial magnetic conductor structure has ideal magnetic wall pair
The same-phase reflection characteristic of plane wave, can improve the radiation efficiency of antenna element.And the antenna assembly is by the antenna list
Member is arranged in the side of the Artificial magnetic conductor structure, is reflected by the same-phase of the Artificial magnetic conductor structure plane wave special
Property, it can effectively prevent aerial signal that the other side radiation of antenna element is not set to Artificial magnetic conductor structure, have in use
When the electronic equipment of the antenna assembly, it is only necessary to which operator is located at the Artificial magnetic conductor structure other side and can effectively avoid antenna letter
Number to the radiation hazradial bundle of human body.
The feed point is connect with the antenna element by feeder line, so that the antenna element and the communication device
Connection, and the communication device is arranged on the circuit main board of electronic equipment, can allow the PCB conducts of the circuit main board
A part for antenna element, being capable of radiating antenna signal.At this point, the Artificial magnetic conductor structure can only prevent antenna element
The radiation effects to human body of aerial signal, but radiation of the aerial signal that PCB is radiated to human body can not be prevented.
In order to avoid generating radiation to human body when a parts of the PCB as antenna element, balun is used at the feed point
Design, or nickel-zinc ferrite is loaded on the feeder line, or designed simultaneously described using balun at the feed point
Nickel-zinc ferrite is loaded on feeder line, PCB can be prevented as a part for antenna using above-mentioned three kinds of design schemes, by antenna list
It is first to be detached with the PCB, only by independent antenna element receiving and transmitting signal, to further decrease spoke of the aerial signal to human body
Penetrate harm.
In order to avoid cost caused by additionally preparing the Artificial magnetic conductor structure using substrate is higher, space occupancy rate is big
The problems such as, it in the present embodiment, can be directly using the self structure component of electronic equipment as forming Artificial magnetic conductor structure
Substrate, concrete mode include：
It can be formed in the inner surface of the encapsulated rear casing described artificial using the encapsulated rear casing of the electronic equipment as substrate
Magnetic conductor structure forms the antenna element, using the encapsulated rear casing as the people in the outer surface of the encapsulated rear casing
Insulating layer between work magnetic conductor structure and the antenna element realizes insulation between the two.
It can also be formed on the surface of the battery towards the circuit main board using the battery of the electronic equipment as substrate
The Artificial magnetic conductor structure forms the antenna element or described in the battery away from the surface of the circuit main board
The outer surface of the inner surface of encapsulated rear casing or the encapsulated rear casing forms the antenna element, after the battery or encapsulation
Shell realizes insulation between the two as the insulating layer between the Artificial magnetic conductor structure and the antenna element.
Can also be using the metallic shield of the electronic equipment as substrate, it at this time can be using the metallic shield as institute
The conductive layer of Artificial magnetic conductor structure is stated, insulating layer can be formed on the Artificial magnetic conductor structure surface, in order in its table
Face forms antenna element, antenna element can also be arranged on the surface of the encapsulated rear casing, directly be realized by spatial joint clearance
The insulation of the Artificial magnetic conductor structure and the antenna element.
In order to ensure the reflecting properties of Artificial magnetic conductor structure, to ensure the directionality of aerial signal, to ensure that it is traditional thread binding
The radiation efficiency set simultaneously reduces radiation hazradial bundle to human body, by the center of the antenna element and the Artificial magnetic conductor structure
Center is oppositely arranged, while projection of the antenna on the Artificial magnetic conductor structure surface is arranged and is no more than the artificial magnetic conductance
Region where body structure.
In the present embodiment, the antenna element can be dipole antenna configuration array antenna structure or
PIFA antenna structures or MONOPOLE antenna structures.The feeder line is radio-frequency cable microstrip line or strip line.Such as
The PCB that the circuit main board of the electronic equipment is arranged in fruit is detached with the antenna element, needs the corresponding length for increasing antenna end,
To ensure that antenna element can radiate the aerial signal of respective center frequency.
By foregoing description it is found that antenna assembly described in the present embodiment has higher radiation efficiency, and to the spoke of human body
It penetrates smaller.
Based on above-described embodiment, the application another embodiment provides for a kind of electronic equipment, the electronic equipment is available
In wireless telecommunications, the electronic equipment has the antenna assembly of the embodiment as described in embodiment one.
With reference to figure 4, the electronic equipment includes：Circuit main board 5；Metallic shield in 5 both sides of the circuit main board is set
Cover 6 and metallic shield 7；The Artificial magnetic conductor structure 8 for deviating from 5 side of the circuit main board in the metallic shield 7 is set；
The antenna element 9 for deviating from 5 side of the circuit main board in the Artificial magnetic conductor structure 8 is set.
Wherein, the circuit main board 5, antenna element 9 and Artificial magnetic conductor structure 8 constitute the antenna of the electronic equipment
Device.The embodiment of the antenna assembly and the Artificial magnetic conductor structure 8 can be found in embodiment party described in embodiment one
Formula, details are not described herein.
Communication device is provided on the circuit main board 5, the communication device can be transceiver.The communication device
Including feed point 11, the antenna element 9 is connect by feeder line 10 with the feed point 11, and then is connect with the communication device.
In the present embodiment, it is designed using balun at the feed point, barron structure 12 is formed, for preventing the circuit
The PCB of mainboard 5 becomes a part for antenna element 9, to further decrease spoke of the antenna assembly to human body of the electronic equipment
Penetrate harm.It in other embodiments, can also be by loading nickel-zinc ferrite on the feeder line 10, or described in setting
Loading nickel-zinc ferrite on the feeder line 10 while barron structure 12 prevents the PCB of the circuit main board 5 from becoming antenna list
A part for member 9, to further decrease radiation hazradial bundle of the antenna assembly to human body of the electronic equipment.The feeder line 10 can be with
It is radio-frequency cable microstrip line or strip line, uses relatively thin microstrip line or strip line in the present embodiment, with drop
Low feeder line 10 is to space occupancy rate.
The metallic shield 6 and metallic shield 7 are that use in 1 both sides of the circuit main board is arranged in the electronic equipment
In the hardware for preventing electromagnetic wave from generating electromagnetic interference to the electronic device on the circuit main board 5.
The centre frequency of antenna element receiving and transmitting signal depends on the length of antenna element, it is traditional thread binding described in the embodiment of the present application
It sets and the PCB of circuit main board 5 is independently gone out into antenna element 9, to reduce the radiation hazradial bundle to human body, at this point, in order to avoid will be described
PCB isolates influence of the antenna element to aerial signal centre frequency, and the day is arranged in the electronic equipment described in the present embodiment
Line unit 9 includes：First antenna unit 91 and the second antenna element 92, to increase the length of antenna element 9 so that antenna list
Member 9 has enough length.The center that the antenna element 9 is arranged is overlapped with the center of the Artificial magnetic conductor structure, and is set
The antenna element is set in the region of plane where the artificial magnetic conductor being projected in where the artificial magnetic conductor, so that
Obtaining the Artificial magnetic conductor structure being capable of fully reflective aerial signal.
Return loss test is carried out to the antenna assembly of electronic equipment described in the present embodiment, test results are shown in figure 5, indulges
Axis is return loss, unit db, horizontal axis signal frequency, unit GHz, in Figure 5 near the centre frequency of minimum value, clawback
Loss meets antenna return loss test request in -6db~-25db.And compared to the Omnidirectional radiation of ordinary antennas device,
The signal radiation of the present embodiment antenna assembly has directionality, in xyz three-dimensional system of coordinates, with flat where Artificial magnetic conductor structure
Face is x/y plane, at this point, the signal radiation direction of the antenna assembly, which concentrates on the Artificial magnetic conductor structure, is provided with antenna
The top half space of unit, if using perpendicular to the x/y plane and towards the direction of the antenna element as z-axis direction,
At this point, the radiation direction of the aerial signal of antenna element concentrates on the first half space of x/y plane.Pass through the radiation of antenna assembly
Map analysis can be seen that the Artificial magnetic conductor structure and the radiation of aerial signal enabled to have directionality, prevent it to people
The side radiation of antenna element is not arranged for work magnetic conductor structure.
Electronic equipment described in the present embodiment can be mobile phone, tablet computer or wearable electronic equipment.
When the electronic equipment is mobile phone or tablet computer, need to design the electronic equipment when in use so that
The circuit main board of the electronic equipment is to be located at side of the Artificial magnetic conductor structure towards human body so that the antenna element
The side for deviating from human body positioned at the Artificial magnetic conductor structure, to reduce radiation of the aerial signal to human body.
Electronic equipment described in the present embodiment can be using the shielding case, battery or encapsulated rear casing of electronic equipment as the people
The substrate of work magnetic conductor structure, the space surface that can make full use of shielding case, battery or encapsulated rear casing table realize artificial magnetic
The maximization of the periodicity of conductor structure surface conductor patch, effectively improves the radiation efficiency of antenna assembly.And the artificial magnetic
Conductor structure be fall off circuit main board PCB absolute construction, it is good to may be used high-k, heat conductivility, insulating properties
Good material can further increase the amount of cycles of surface conductor patch as dielectric layer, be conducive to improve antenna assembly
The control of radiation efficiency and aerial signal radiation directivity.
The antenna assembly of the electronic equipment is using Artificial magnetic conductor structure to the reflex of aerial signal so that antenna
Signal has directionality, so as to avoid aerial signal that the side radiation of antenna element is not arranged to Artificial magnetic conductor structure,
As long as user is located at the side that antenna element is not arranged for Artificial magnetic conductor structure, you can realizing reduces the purpose of radiation hazradial bundle.
Meanwhile by the way that the pcb board of circuit main board is independently gone out electric wire unit, it is avoided to become a part for antenna element, it can be into one
Step reduces the radiation that antenna element side is not arranged to Artificial magnetic conductor structure in aerial signal, further decreases radiation hazradial bundle.
Electronic equipment described in the present embodiment is independent except the PCB of circuit main board by antenna element, without in the PCB tables
The reserved reserved space that antenna is separately provided in face can make on the circuit main board of electronic equipment convenient for integrating for the upper circuits of PCB
More function modules and electronic device are integrated, using the diversification of electronic functionalities, and does not increase the area of PCB.
By foregoing description it is found that the aerial signal radiation efficiency of electronics described in the embodiment of the present application is high, and to human body
Radiation hazradial bundle is smaller.
It should be noted that referenced herein verb "include", "comprise" and its paradigmatic use are not excluded for
In addition to the presence of element those of described in application documents or the element other than step or step.Article " one " before element or
"one" is not excluded for the presence of multiple this elements.
Although describing spirit herein and principle by reference to several specific implementation modes, it should be appreciated that, this
It is not limited to the specific embodiments disclosed for application, does not also mean that the feature in these aspects cannot to the division of various aspects
Combination is this to divide the convenience merely to statement to be benefited.This application is intended to cover appended claims spirit and
Included various modifications and equivalent arrangements in range.Scope of the following claims is to be accorded the broadest interpretation, thus comprising
All such modifications and equivalent structure and function.
Claims (8)
1. the antenna assembly of a kind of electronic equipment, which is characterized in that including：
Artificial magnetic conductor structure, the Artificial magnetic conductor structure include：Dielectric layer；Leading in one side surface of the dielectric layer is set
Electric layer；Multiple Electricity conductive plasters in another side surface of the dielectric layer are set, and the periodically setting of the multiple Electricity conductive plaster exists
The dielectric layer surface；
Antenna element in the Artificial magnetic conductor structure side is set, and the antenna element and the Artificial magnetic conductor structure are exhausted
Edge；
Circuit main board in the artificial magnetic conductor other side is set, and the circuit main board includes：Communication device；
Wherein, the antenna is connect by feeder line with the feed point of the communication device；The antenna element includes first antenna list
Member and the second antenna element；It is designed using balun at the feed point and loads nickel-zinc ferrite or the feedback on the feeder line
Nickel-zinc ferrite is loaded on line.
2. antenna assembly according to claim 1, which is characterized in that the Artificial magnetic conductor structure is with the electronic equipment
Encapsulated rear casing be substrate；
Or, the Artificial magnetic conductor structure is using the battery of the electronic equipment as substrate；
Or, the Artificial magnetic conductor structure is using the metallic shield of the electronic equipment as substrate.
3. antenna assembly according to claim 1, which is characterized in that the center of the antenna element and the artificial magnetic conductance
The center of body structure is oppositely arranged.
4. antenna assembly according to claim 1, which is characterized in that the feeder line be radio-frequency cable or microstrip line or
It is strip line.
5. antenna assembly according to claim 1, which is characterized in that the dielectric layer is ceramic layer.
6. according to claim 1-5 any one of them antenna assemblies, which is characterized in that the antenna element is dipole antenna
Structure array antenna structure PIFA antenna structures or MONOPOLE antenna structures.
7. a kind of electronic equipment, which is characterized in that the electronic equipment includes that day as claimed in any one of claims 1 to 6 is traditional thread binding
It sets.
8. electronic equipment according to claim 7, which is characterized in that the electronic equipment is：
Mobile phone, tablet computer or wearable electronic equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410184384.7A CN105098371B (en) | 2014-05-04 | 2014-05-04 | A kind of electronic equipment and its antenna assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410184384.7A CN105098371B (en) | 2014-05-04 | 2014-05-04 | A kind of electronic equipment and its antenna assembly |
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| Publication Number | Publication Date |
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| CN105098371A CN105098371A (en) | 2015-11-25 |
| CN105098371B true CN105098371B (en) | 2018-08-10 |
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| CN201410184384.7A Active CN105098371B (en) | 2014-05-04 | 2014-05-04 | A kind of electronic equipment and its antenna assembly |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105591189B (en) * | 2015-12-03 | 2019-06-07 | 深圳市天鼎微波科技有限公司 | The antenna for mobile phone of low SAR value |
| KR101766216B1 (en) * | 2016-02-05 | 2017-08-09 | 한국과학기술원 | Array antenna using artificial magnetic conductor |
| CN108418016A (en) * | 2018-03-13 | 2018-08-17 | 苏州塞澳电气有限公司 | A kind of automobile glass heating wire connection terminal and its processing method |
| CN113659331B (en) * | 2021-08-16 | 2022-07-26 | 东南大学 | Low-profile high-gain resonant antenna based on solar cell |
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| CN101281992A (en) * | 2007-04-03 | 2008-10-08 | 联想(北京)有限公司 | Wireless chip and radio installation |
| CN101461097A (en) * | 2006-06-09 | 2009-06-17 | 索尼爱立信移动通讯股份有限公司 | Use of AMC materials in relation to antennas of a portable communication device |
| CN102110882A (en) * | 2009-12-02 | 2011-06-29 | Lg电子株式会社 | Antenna device and portable terminal having the same |
| US20110248901A1 (en) * | 2010-04-11 | 2011-10-13 | Broadcom Corporation | Multiple frequency projected artificial magnetic mirror and antenna application thereof |
| US20130201072A1 (en) * | 2010-04-11 | 2013-08-08 | Broadcom Corporation | Tunable projected artificial magnetic mirror and applications thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101461097A (en) * | 2006-06-09 | 2009-06-17 | 索尼爱立信移动通讯股份有限公司 | Use of AMC materials in relation to antennas of a portable communication device |
| CN101281992A (en) * | 2007-04-03 | 2008-10-08 | 联想(北京)有限公司 | Wireless chip and radio installation |
| CN102110882A (en) * | 2009-12-02 | 2011-06-29 | Lg电子株式会社 | Antenna device and portable terminal having the same |
| US20110248901A1 (en) * | 2010-04-11 | 2011-10-13 | Broadcom Corporation | Multiple frequency projected artificial magnetic mirror and antenna application thereof |
| US20130201072A1 (en) * | 2010-04-11 | 2013-08-08 | Broadcom Corporation | Tunable projected artificial magnetic mirror and applications thereof |
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| CN105098371A (en) | 2015-11-25 |
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