CN108075220A - Terminal antenna component and mobile phone - Google Patents
Terminal antenna component and mobile phone Download PDFInfo
- Publication number
- CN108075220A CN108075220A CN201611032549.4A CN201611032549A CN108075220A CN 108075220 A CN108075220 A CN 108075220A CN 201611032549 A CN201611032549 A CN 201611032549A CN 108075220 A CN108075220 A CN 108075220A
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- CN
- China
- Prior art keywords
- antenna
- shell
- point
- auxiliary
- terminal
- 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.)
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Classifications
-
- 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
- H01Q1/12—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
-
- 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
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Support Of Aerials (AREA)
- Telephone Set Structure (AREA)
Abstract
The present invention discloses a kind of terminal antenna component and mobile phone, the terminal antenna component includes pcb board and housing, the housing includes the first point of shell, second point of shell and the 3rd point of shell that are respectively provided with electric conductivity and are electrically connected with WIFI radio frequency chips, first point of shell is primary antenna, second point of shell ground connection, the 3rd point of shell is the slave antenna of ground connection, the slave antenna is connected by PCB feeder lines with the pcb board, the terminal antenna component further includes ground connection and the auxiliary antenna being electrically connected with WIFI radio frequency chips, the auxiliary antenna are coupled with the slave antenna.In the inventive solutions, slave antenna and auxiliary antenna can realize diversity antenna function, and auxiliary antenna plays the role of the spreading diversity beamwidth of antenna.In the frequency corresponding to WIFI signal there are one antenna standing wave, WIFI radiofrequency signals from auxiliary antenna can radiate and can realize the function of WIFI mimo antennas auxiliary antenna.The present invention realizes multiple antennas and coexists in a limited space under severe antenna environment.
Description
Technical field
The present invention relates to mobile communication technology field more particularly to a kind of terminal antenna components and mobile phone.
Background technology
Terminal antenna is the antenna for being applied to the mobile terminals such as mobile phone, tablet computer, and mobile terminal is real by terminal antenna
The transmitting-receiving of existing various signals.
In existing mobile phone, mobile phone uses metal back cover as WIFI MIMO more mostly using metal back cover
(Multiple-Input Multiple-Output, Multiple Input Multiple Output) antenna, due to mobile phone diversity antenna bandwidth not
It is enough, the performance of WIFI mimo antennas is just sacrificed, the antenna area of WIFI MIMO is constructed the parasitic cabling of diversity antenna,
WIFI mimo antennas is caused not have space placement.Also, since the first segment of metal back cover needs to realize LTE diversity day simultaneously
The function of line, WIFI antennas, GPS antenna etc., and so that diversity antenna bandwidth is inadequate, this brings the design of diversity antenna very big
Challenge.
The content of the invention
The main object of the present invention is to provide a kind of terminal antenna component, it is intended to solve existing diversity antenna bandwidth not enough and
The problem of WIFI mimo antennas fail.
To achieve the above object, terminal antenna component proposed by the present invention includes pcb board and housing, and the housing includes
First point of shell, second point of shell and the 3rd point of shell for being respectively provided with electric conductivity and being electrically connected with WIFI radio frequency chips, described first
It is primary antenna to divide shell, and second point of shell ground connection, the 3rd point of shell is the slave antenna of ground connection, and the slave antenna is presented by PCB
Line is connected with the pcb board, and the terminal antenna component further includes ground connection and the auxiliary being electrically connected with the WIFI radio frequency chips
Antenna, the auxiliary antenna are coupled with the slave antenna.
Preferably, the auxiliary antenna is PIFA antennas, IFA antennas, couple feed antenna, LOOP antennas or micro-strip day
Line.
Preferably, the auxiliary antenna mutually separates setting with the slave antenna.
Preferably, the auxiliary antenna is arranged on the pcb board.
Preferably, the auxiliary antenna includes mutiple antennas shell foot.
Preferably, an antenna shell foot of the auxiliary antenna is electrically connected to realize by earth connection with the pcb board
Ground connection.
Preferably, another antenna shell foot of the auxiliary antenna and the WIFI radio frequency chips by radio frequency microstrip line or
Person is the electrical connection of radio frequency strip line.
Preferably, first point of shell, second point of shell and the 3rd point of shell are metal-back, first point of shell
It is engaged between second point of shell, between second point of shell and the 3rd point of shell by insulating part.
Preferably, the insulating part is plastic part or ceramic member.
In addition, the present invention also provides a kind of mobile phone, including touch-screen, battery and above-mentioned terminal antenna component.
In the inventive solutions, the slave antenna of ground connection is made to intercouple with the auxiliary antenna being grounded.Slave antenna and
Auxiliary antenna can realize diversity antenna function, and the signal frequency being coupled on auxiliary antenna is determined by the characteristic of auxiliary antenna,
Auxiliary antenna is the antenna for meeting quarter-wave characteristic, and the radiofrequency signal to come from slave antenna coupling is that auxiliary antenna institute is right
Answer the signal of resonant frequency.In the range of the resonant frequency of auxiliary antenna is adjusted to diversity antenna bandwidth, it can adjust
The frequency of the radiofrequency signal to come from slave antenna coupling, so as to the bandwidth of spreading diversity antenna, auxiliary antenna just plays expansion
Open up the effect of diversity antenna bandwidth.Also, in the frequency corresponding to WIFI signal there are one antenna standing wave, WIFI is penetrated auxiliary antenna
Frequency signal can radiate from auxiliary antenna and can realize the function of WIFI mimo antennas.The present invention is in a limited space
Under severe antenna environment, realize multiple antennas and coexist.
Description of the drawings
It, below will be to embodiment in order to illustrate more clearly of embodiment of the present invention or technical solution of the prior art
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the present invention, for those of ordinary skill in the art, without creative efforts,
Other attached drawings can also be obtained according to the structure shown in these attached drawings.
Fig. 1 is the exploded view of the mobile phone of the present invention；
Fig. 2 is the structure diagram of the terminal antenna component of the present invention；
Fig. 3 is the chart of the RL return loss of terminal antenna in the prior art；
Fig. 4 is the chart of the RL return loss of the terminal antenna component of the present invention；
Fig. 5 is the chart of the RL return loss of the auxiliary antenna of the present invention.
Drawing reference numeral explanation：
| Label | Title | Label | Title |
| 1 | Front housing | 2 | Dorsal shield |
| 3 | Touch-screen | 4 | Battery |
| 5 | Pcb board | 21 | First point of shell |
| 22 | Second point of shell | 23 | 3rd point of shell |
| 231 | Earth point | 232 | PCB feeder lines |
| 233 | First feed line | 51 | Auxiliary antenna |
| 52 | Earth connection | 53 | Signal source |
| 54 | Second feed line | 55 | 3rd feed line |
The realization, the function and the advantages of the object of the present invention will combine embodiment, be described further referring to the drawings.
Specific embodiment
Below in conjunction with the attached drawing in embodiment of the present invention, the technical solution in embodiment of the present invention is carried out clear
Chu is fully described by, it is clear that described embodiment is only a part of embodiment rather than whole of the present invention
Embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art are without creative efforts
The every other embodiment obtained, belongs to the scope of protection of the invention.
It is to be appreciated that institute is directional in embodiment of the present invention indicates (such as up, down, left, right, before and after ...) only
For explaining relative position relation, motion conditions under a certain particular pose (as shown in drawings) between each component etc., if
When the particular pose changes, then directionality instruction also correspondingly changes correspondingly.
In addition, in the present invention such as relating to the description of " first ", " second " etc. be only used for description purpose, and it is not intended that
Indicate or imply its relative importance or the implicit quantity for indicating indicated technical characteristic.Define as a result, " first ",
At least one this feature can be expressed or be implicitly included to the feature of " second ".In the description of the present invention, " multiple " contain
Justice is at least two, such as two, three etc., unless otherwise specifically defined.
In the present invention, unless otherwise clearly defined and limited, term " connection ", " fixation " etc. should be interpreted broadly,
For example, " fixation " can be fixedly connected or be detachably connected or integral；Can be mechanical connection or
Electrical connection；It can be directly connected, can also be indirectly connected by intermediary, can be the connection inside two elements or two
The interaction relationship of a element, unless otherwise restricted clearly.It for the ordinary skill in the art, can basis
Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
In addition, the technical solution between each embodiment of the present invention can be combined with each other, but must be with this field
Those of ordinary skill can be implemented as basis, this is will be understood that when the combination appearance of technical solution is conflicting or can not realize
The combination of kind of technical solution is not present, also not the present invention claims protection domain within.
The present invention proposes a kind of terminal antenna component, it is intended to solve existing diversity antenna bandwidth not enough and WIFI
The problem of mimo antenna fails.
Fig. 2 is refer to, in one embodiment of the present invention, which includes pcb board (printed circuit board)
And housing (housing is specially the dorsal shield 2 in Fig. 1 in the present embodiment), housing include be respectively provided with electric conductivity and with
First point of shell, 21, second points of shells 22 and the 3rd point of shell 23 of WIFI radio frequency chips electrical connection (not shown), based on first point of shell 21
Antenna, second point of shell 22 are grounded, and the 3rd point of shell 23 is the slave antenna of ground connection, and slave antenna is connected by PCB feeder lines 232 and pcb board 5
It connects, terminal antenna component further includes ground connection and the auxiliary antenna 51 being electrically connected with WIFI radio frequency chips, auxiliary antenna 51 and secondary day
Line couples.It should be noted that when the terminal antenna component in Fig. 2 is applied to mobile terminal (for example, mobile phone), it should also be
The top of terminal antenna component sets cover board (not shown), which can be used as the head cover of mobile phone.
Wherein, this coupling refers to that the signal between different antennae transfers, and ground connection refers to electric system and electric device
Neutral point, electrical equipment exposed conductive part and the outer current-carrying part of device via conductor with being greatly connected.Also, in this reality
Slave antenna in mode is applied preferably to be connected to be grounded with second point of shell 22 by earth point 231, and the ground connection of auxiliary antenna 51
It is that the earth signal on pcb board 5 is connected to realize by earth connection 52, and other earthing modes are also feasible.And
And PCB feeder lines 232 are electrically connected to realize that WIFI signal is transmitted with WIFI radio frequency chips by the first feed line 233, auxiliary antenna
51 are electrically connected by the second feed line 54 with signal source 53, and signal source 53 passes through the 3rd feed line 55 and WIFI radio frequency chips electricity again
Connection is transmitted so as to fulfill WIFI signal.
In the inventive solutions, the slave antenna of ground connection is made to intercouple with the auxiliary antenna 51 being grounded.Slave antenna
Diversity antenna function can be realized with auxiliary antenna, be coupled to characteristic of the signal frequency on auxiliary antenna 51 by auxiliary antenna 51
It determines, auxiliary antenna 51 is the antenna for meeting quarter-wave characteristic, and the radiofrequency signal to come from slave antenna coupling is auxiliary
The signal of resonant frequency corresponding to antenna 51.By the scope that the resonant frequency of auxiliary antenna 51 is adjusted to diversity antenna bandwidth
It is interior, the frequency of the radiofrequency signal to come from slave antenna coupling can be adjusted, so as to the bandwidth of spreading diversity antenna, aids in day
Line 51 just plays the role of the spreading diversity beamwidth of antenna.Compared with returning for the terminal antenna for not including auxiliary antenna in the prior art
Ripple is lost (referring to Fig. 3), and the resonance of medium-high frequency of the present invention has obtained broadening, covers more multi-frequency, and RL return loss is all
It below -5, disclosure satisfy that the requirement of performance (referring to Fig. 4).Also, auxiliary antenna 51 has in the frequency corresponding to WIFI signal
One antenna standing wave, WIFI radiofrequency signals can radiate from auxiliary antenna 51 and can realize the work(of WIFI mimo antennas
Energy.And can wherein, in terminal antenna component of the invention include multiple above-mentioned auxiliary antennas 51, so as in a limited space
Under severe antenna environment, realize multiple antennas and coexist.
Wherein, in the above-described embodiment, auxiliary antenna 51 mutually separates setting with slave antenna, i.e. auxiliary antenna 51
Maintained a certain distance between slave antenna, which is that actual debugging determines, by debugging determine to make auxiliary antenna 51 with
Slave antenna intercouples, so that a part of signal of slave antenna is coupled on auxiliary antenna 51.
In addition, auxiliary antenna can be arranged on pcb board 5 or can also be arranged on dedicated antenna holder.When auxiliary
When to help antenna be the PCB antenna being printed on pcb board 5, can aid in the volume for reducing auxiliary antenna 51, with comply with it is mobile eventually
The slimming development trend at end.
In the above-described embodiment, auxiliary antenna 51 can be a variety of various forms of antennas, for example, PIFA antennas, IFA days
Line, couple feed antenna, LOOP antennas (loop aerial) or microstrip antenna etc..
Wherein, PIFA antennas are to be duplicated and named with the English alphabet F appearances turned one's coat with its side structure.PIFA antennas
Working length only has a quarter operative wavelength, and has included grounding metal plane in its structure, can reduce to mould
The susceptibility of grounding metal plane in block, so being extremely suitable for use in bluetooth module device.IFA antennas are difficult in height and area
Meet what is set during PIFA antennas, debugging as the case may be is drawn, compared with PIFA antennas, IFA antennas are generally made in stent
Inclined-plane (PIFA antennas generally make in chassis plane) and side.
Couple feed antenna refers to two circuit elements for not contacting but having certain small distance in the fields such as communication
Between part or circuit network, for carrying out the antenna of electric flux conduction by coupled modes.LOOP antennas are to lead a metal
Line is coiled into definite shape, such as circular, square, triangle, using conductor both ends as the structure of output terminal.Microstrip antenna refers to
On one thin-medium substrate, thin metal layer is enclosed on one side as earth plate, definite shape is made with photoetching caustic solution in another side
Metal patch, the antenna formed using microstrip line or coaxial probe to patch.
Wherein, auxiliary antenna 51 includes mutiple antennas shell foot (not shown), and auxiliary antenna 51 can pass through different antenna flickings
Foot is connected from different electrical equipments.As mentioned previously, an antenna shell foot of auxiliary antenna 51 by earth connection 52 with
The earth signal of pcb board is electrically connected to be grounded.And another antenna shell foot of auxiliary antenna 51 passes through with WIFI radio frequency chips
The either radio frequency strip line electrical connection of radio frequency microstrip line, the radiofrequency signal that WIFI radio frequency chips generate by radio frequency microstrip line or
It is that radio frequency strip line is connected on an antenna shell foot of auxiliary antenna 51, auxiliary antenna 51 has acted as WIFI mimo antennas,
Fig. 5 illustrates the RL return loss of auxiliary antenna.Wherein, radio frequency microstrip line is a kind of conducting wire of banding (signal wire), with Horizon
Opened between face with a kind of dielectric isolation, if the thickness of conducting wire, width and with the distance between ground level be it is controllable,
Its characteristic impedance is also that can control.Radio frequency strip line is among a dielectric being arranged between two layers of conductive plane
Copper strips line, if the distance between the dielectric constant of the thickness and width of radio frequency strip line, medium and two layers of conductive plane is
Controllable, then the characteristic impedance of radio frequency strip line is also controllable.
In a preferred embodiment, first point of shell, 21, second points of shells 22 and the 3rd point of shell 23 are metal-back, first point
It is engaged between shell 21 and second point of shell 22, between second point of shell 22 and the 3rd point of shell 23 by insulating part, so that first point
21, second points of shells 22 of shell and the 3rd point of shell 23 are used respectively as different electrical equipments.Wherein, insulating part is preferably what is insulated
Plastic part or ceramic member.In a preferred embodiment, pass through between first point of shell, 21, second points of shells 22 and the 3rd point of shell 23
Plastic cement combines, to form the dorsal shield 2 of an entirety.Certainly, in other implementations, housing is except first point of shell 21,
Outside two points of shells 22 and the 3rd point of shell 23, can also there are the 4th point of shell, the 5th point of shell etc., specific structure can according to actual needs really
It is fixed.
In addition, as shown in Figure 1, a kind of mobile phone, including touch-screen 3, battery 4 and above-mentioned terminal antenna component etc..
Wherein, housing includes front housing 1 and dorsal shield 2.The slave antenna being grounded in the mobile phone intercouples with the auxiliary antenna 51 being grounded.Coupling
The signal frequency closed on auxiliary antenna 51 is determined that auxiliary antenna 51 is to meet quarter-wave by the characteristic of auxiliary antenna 51
The antenna of characteristic, the radiofrequency signal to come from slave antenna coupling are the signals of resonant frequency corresponding to auxiliary antenna 51.Passing through will
The resonant frequency of auxiliary antenna 51 is adjusted in the range of diversity antenna bandwidth, can adjust the radio frequency to come from slave antenna coupling
The frequency of signal, so as to the bandwidth of spreading diversity antenna, auxiliary antenna 51 just plays the role of the spreading diversity beamwidth of antenna.
Also, for auxiliary antenna 51 in the frequency corresponding to WIFI signal there are one antenna standing wave, WIFI radiofrequency signals can be from auxiliary day
Line 51 radiate and can realize the function of WIFI mimo antennas.The present invention in a limited space with severe antenna environment
Under, it realizes multiple antennas and coexists.
The foregoing is merely the preferred embodiment of the present invention, are not intended to limit the scope of the invention, it is every
The equivalent structure transformation made under the inventive concept of the present invention using description of the invention and accompanying drawing content or direct/indirect fortune
It is included in used in other related technical areas in the scope of patent protection of the present invention.
Claims (10)
1. a kind of terminal antenna component, which is characterized in that the terminal antenna component includes pcb board and housing, the housing
It is described including the first point of shell, second point of shell and the 3rd point of shell for being respectively provided with electric conductivity and being electrically connected with WIFI radio frequency chips
First point of shell is primary antenna, and second point of shell ground connection, the 3rd point of shell is the slave antenna of ground connection, and the slave antenna passes through
PCB feeder lines are connected with the pcb board, what the terminal antenna component further included ground connection and was electrically connected with the WIFI radio frequency chips
Auxiliary antenna, the auxiliary antenna are coupled with the slave antenna.
2. terminal antenna component as described in claim 1, which is characterized in that the auxiliary antenna is PIFA antennas, IFA days
Line, couple feed antenna, LOOP antennas or microstrip antenna.
3. terminal antenna component as described in claim 1, which is characterized in that the auxiliary antenna mutually divides with the slave antenna
Every setting.
4. terminal antenna component as claimed in claim 3, which is characterized in that the auxiliary antenna is arranged on the pcb board.
5. terminal antenna component as claimed in claim 4, which is characterized in that the auxiliary antenna includes mutiple antennas shell foot.
6. terminal antenna component as claimed in claim 5, which is characterized in that an antenna shell foot of the auxiliary antenna passes through
Earth connection is electrically connected to be grounded with the pcb board.
7. terminal antenna component as claimed in claim 6, which is characterized in that another antenna shell foot of the auxiliary antenna with
The WIFI radio frequency chips are electrically connected by radio frequency microstrip line either radio frequency strip line.
8. the terminal antenna component as any one of claim 1-7, which is characterized in that first point of shell, described
Two points of shells and the 3rd point of shell are metal-back, between first point of shell and second point of shell, second point of shell with
It is engaged between the 3rd point of shell by insulating part.
9. terminal antenna component as claimed in claim 8, which is characterized in that the insulating part is plastic part or ceramic member.
10. a kind of mobile phone, which is characterized in that the mobile phone includes any one of touch-screen, battery and claim 1-9 institute
The terminal antenna component stated.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611032549.4A CN108075220A (en) | 2016-11-14 | 2016-11-14 | Terminal antenna component and mobile phone |
| PCT/CN2017/084547 WO2018086329A1 (en) | 2016-11-14 | 2017-05-16 | Terminal antenna assembly and mobile phone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611032549.4A CN108075220A (en) | 2016-11-14 | 2016-11-14 | Terminal antenna component and mobile phone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108075220A true CN108075220A (en) | 2018-05-25 |
Family
ID=62110358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611032549.4A Pending CN108075220A (en) | 2016-11-14 | 2016-11-14 | Terminal antenna component and mobile phone |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN108075220A (en) |
| WO (1) | WO2018086329A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108987906A (en) * | 2018-07-24 | 2018-12-11 | 维沃移动通信有限公司 | A kind of terminal device |
| CN108987905A (en) * | 2018-07-24 | 2018-12-11 | 维沃移动通信有限公司 | A kind of terminal device |
| CN109037902A (en) * | 2018-07-27 | 2018-12-18 | 北京小米移动软件有限公司 | The front housing and electronic equipment of electronic equipment |
| CN113660364A (en) * | 2021-08-17 | 2021-11-16 | 青岛海信移动通信技术股份有限公司 | Terminal equipment |
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| CN103311645A (en) * | 2013-02-22 | 2013-09-18 | 香港应用科技研究院有限公司 | Antenna employing overcoupling for broadband operation |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108987906A (en) * | 2018-07-24 | 2018-12-11 | 维沃移动通信有限公司 | A kind of terminal device |
| CN108987905A (en) * | 2018-07-24 | 2018-12-11 | 维沃移动通信有限公司 | A kind of terminal device |
| CN108987906B (en) * | 2018-07-24 | 2021-01-08 | 维沃移动通信有限公司 | Terminal equipment |
| CN108987905B (en) * | 2018-07-24 | 2021-01-08 | 维沃移动通信有限公司 | Terminal equipment |
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| CN113660364A (en) * | 2021-08-17 | 2021-11-16 | 青岛海信移动通信技术股份有限公司 | Terminal equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018086329A1 (en) | 2018-05-17 |
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Application publication date: 20180525 |