CN108093106A - A kind of mobile terminal - Google Patents
A kind of mobile terminal Download PDFInfo
- Publication number
- CN108093106A CN108093106A CN201711462301.6A CN201711462301A CN108093106A CN 108093106 A CN108093106 A CN 108093106A CN 201711462301 A CN201711462301 A CN 201711462301A CN 108093106 A CN108093106 A CN 108093106A
- Authority
- CN
- China
- Prior art keywords
- mobile terminal
- circuit board
- ground connection
- ground
- direct
- 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.)
- Granted
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
- H04M1/0277—Details of the structure or mounting of specific components for a printed circuit board assembly
Abstract
The present invention provides a kind of mobile terminal, by setting direct-current blocking-up device, direct current return flow path between main circuit board and secondary circuit board is blocked, so as to it can not be turned in DC current in each return flow path of electronic compass, prevent the circulation of the DC current in each return flow path of electronic compass, but not the demand for grounding of AC signal in coaxial line is influenced, so as to reduce or even eliminate interference of the charging return flow path to electronic compass.
Description
Technical field
The present invention relates to electronic technology field more particularly to a kind of mobile terminals.
Background technology
With the progress of science and technology, the communication technology is developed rapidly and significant progress, the popularization of mobile terminal
Be increased to a unprecedented height, more and more mobile terminals into an indispensable part in for people's lives,
Meanwhile the functional type that possesses to mobile terminal of user and performance requirement are higher and higher, such as audio-frequency function, camera function, take the photograph
As function and fast charge charge function etc. all have become the necessary functions of intelligent terminal or mobile terminal.
Electronic compass is both provided on most mobile terminal now, electronic compass is precision instrument, is vulnerable to movement
The influence of each current loop in terminal, in mobile terminal, the coaxial line that is connected on the mainboard and mainboard where circuit compass,
The mobile end connected on mainboard and mainboard between coaxial line and the subplate being connected with coaxial line and where circuit compass is arrived again
The housing at end, then current loop can be formed between the housing and the subplate that is connected with the housing of mobile terminal of mobile terminal,
Especially mobile terminal in charging by use during, the interference that electronic compass is subject to is particularly evident, charging current meeting
Generate interference magnetic field, disturb electronic compass accuracy, and power on the curent change stage interference it is the most serious, when disturb generate when,
The electronic compass orientation display interface of cell phone is observed that apparent direction saltus step, generates apparent bearing sense mistake.
The content of the invention
The embodiment of the present invention provides a kind of mobile terminal, easy when charging to solve electronic compass in existing mobile terminal
By return current influence of current, the problem of causing inaccurate electronic compass detection or even failure.
An embodiment of the present invention provides a kind of mobile terminal, the mobile terminal includes main circuit board, secondary circuit board, direct current
Block device, ground connections and coaxial line, the direct-current blocking-up device and the ground connections are arranged on the main circuit board,
The ground connections are connected with the metal shell of the mobile terminal, the both ends of the coaxial line respectively with the main circuit board
It is connected with the secondary circuit board, the first ground connection cabling is provided on the main circuit board, second is provided on the pair circuit board
It is grounded cabling；
Wherein, the first ground connection cabling is connected by the direct-current blocking-up device with the ground connections, and passes through institute
The metal shell that ground connections are stated with the mobile terminal is connected, the metal of the second ground connection cabling and the mobile terminal
Housing connects；
And/or the first ground connection cabling is connected by the direct-current blocking-up device with the coaxial line, second ground connection
Cabling is connected with the coaxial line.
Mobile terminal provided in an embodiment of the present invention, the mobile terminal include main circuit board, secondary circuit board, direct-current blocking-up
Device, ground connections and coaxial line, the direct-current blocking-up device and the ground connections are arranged on the main circuit board, described
Ground connections are connected with the metal shell of the mobile terminal, the both ends of the coaxial line respectively with the main circuit board and institute
Secondary circuit board connection is stated, the first ground connection cabling is provided on the main circuit board, the second ground connection is provided on the pair circuit board
Cabling；Wherein, the first ground connection cabling is connected by the direct-current blocking-up device with the ground connections, and passes through described connect
Earth connection is connected with the metal shell of the mobile terminal, the metal shell of the second ground connection cabling and the mobile terminal
Connection；And/or the first ground connection cabling is connected by the direct-current blocking-up device with the coaxial line, second ground connection is walked
Line is connected with the coaxial line.In this way, by setting direct-current blocking-up device, the direct current between main circuit board and secondary circuit board is returned
Flow path blocks, so as to can not be turned in DC current in each return flow path of electronic compass, prevents close to electronics sieve
The circulation of DC current in each return flow path of disk, but not the demand for grounding of AC signal in coaxial line is influenced, so as to
Reduce or even eliminate interference of the charging return flow path to electronic compass.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, needed in being described below to the embodiment of the present invention
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the present invention,
For those of ordinary skill in the art, without having to pay creative labor, can also be obtained according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the stereogram for the mobile terminal that a preferred embodiment of the present invention provides；
Fig. 2 is the plan view of the main support in mobile terminal shown in Fig. 1；
The equivalent circuit diagram for the current reflux path that each element is formed in Fig. 3 Fig. 2.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is part of the embodiment of the present invention, instead of all the embodiments.Based on this hair
Embodiment in bright, the every other implementation that those of ordinary skill in the art are obtained without creative efforts
Example, belongs to the scope of protection of the invention.
Referring to Fig. 1, Fig. 1 is the stereogram for the mobile terminal that a preferred embodiment of the present invention provides.As shown in Figure 1, institute
Stating mobile terminal 100 includes display screen 110 and shell 120, and the display screen 110 is nested with the shell 120 to be set, and described
Shell 120 is for carrying the display screen 110, and the display screen and the shell 120 surround a cavity, for accommodating the shifting
The components such as stent, circuit board and the battery of dynamic terminal 100.The mobile terminal 100 further includes a viewing area 101 and around described
The peripheral region 102 of viewing area 101, the viewing area 101 are mainly used for realizing the display output function of the mobile terminal 100,
The peripheral region 102 is mainly used for providing space to set button, receiver, sound-producing device, camera module, infrared sensor
And its circuit trace etc..
In addition, the structures such as volume key (not shown) and earpiece holes (not shown) are additionally provided on the mobile terminal 100,
This is not repeated one by one.
In the embodiment of the present invention, above-mentioned mobile terminal can it is any for example：Mobile phone, tablet computer (Tablet Personal
Computer), laptop computer (Laptop Computer), personal digital assistant (personal digital
Assistant, abbreviation PDA), mobile Internet access device (Mobile Internet Device, MID) or wearable device
The mobile terminal of (Wearable Device) etc..
Please refer to Fig. 2, Fig. 2 is the plan view of the main support in mobile terminal shown in Fig. 1.It is as shown in Fig. 2, described
Mobile terminal 100 include main support 130, main circuit board 140, secondary circuit board 150, charging management chip 160, USB socket 170,
Wiring board 180, direct-current blocking-up device 190, coaxial line 1100, electronic compass 1110, battery 1120 and ground connections 1130 are connected,
The main circuit board 140 and the secondary circuit board 150 are arranged on the main support 130, and the main circuit board 140 and institute
State the opposite end that secondary circuit board 150 is located at respectively on the main support 130.
The charging management chip 160 is arranged on the main circuit board 140, and the USB socket 170 is arranged at the pair
On circuit board 150, the direct-current blocking-up device 190 is arranged on the main circuit board 140, and the ground connections 1130 are arranged at
On the main circuit board 140, and the ground connections 1130 are connected with the metal shell of the mobile terminal 100, described
Electronic compass 1110 is arranged on the main circuit board 140, and the electronic compass 1110 is located at the one of the main circuit board 140
End, the electronic compass 1110 are disposed adjacent with the ground connections 1130, and the battery 1120 is arranged at the main support
On 130, the battery is electrically connected with the main circuit board 140, and passes through the cabling on the main circuit board 140 and the charging
Managing chip 160 is electrically connected.
The first ground connection cabling is provided on the main circuit board 140, for the institute being arranged on the main circuit board 140
Charging management chip 160 and other elements connection are stated, so as to be arranged at the Charge Management core on the main circuit board 140
Piece 160 and other elements are grounded.
In present embodiment, the first ground connection cabling is connected with the direct-current blocking-up device 190, the direct-current blocking-up device
190 are connected respectively with the ground connections 1130 and the coaxial line 1100, so that the first ground connection cabling can
To be connected respectively with the ground connections 1130 and the coaxial line 1100 by the direct-current blocking-up device 190, further,
The ground connections 1130 are connected with the metal shell of the mobile terminal, and then can so that the first ground connection cabling can
To be connected by the ground connections 1130 with the metal shell of the mobile terminal 100, so as to fulfill ground connection.
It is that the direct-current blocking-up device 190 and the grounding connection are passed through with the described first ground connection cabling in present embodiment
Part 1130 and the coaxial line 1100 illustrate exemplified by being attached, but are not limited thereto, in other embodiments,
Can also be the first ground connection cabling by the direct-current blocking-up device 190 only with ground connections 1130 or can be with
It is that the first ground connection cabling is only connected by the direct-current blocking-up device 190 with the coaxial line 1100, is not limited thereto.
The second ground connection cabling is provided on the pair circuit board 150, for being arranged on the secondary circuit board 150
Grounding pin and the other elements connection of USB socket 170, so as to be arranged at the USB socket 170 on the secondary circuit board 150
And other elements are grounded.
The second ground connection cabling can be connected by ground devices with the metal shell of the mobile terminal 100, so as to
It is grounded, the second ground connection cabling is also connected with the coaxial line 1100.
In present embodiment, so that the metal shell of the second ground connection cabling and the mobile terminal 100 and described same
What axis 1100 illustrated exemplified by being attached, but be not limited thereto, it is in other embodiments or described
Second ground connection cabling only be connected with the metal shell of the mobile terminal 100 or can be it is described second be grounded cabling only with
The coaxial line 1100 connects, and is not limited thereto.
In present embodiment, the metal shell of the mobile terminal 100 can be the entire shell 120, can also
Only it is to form rear shell or center of the shell 120 etc. as metal shell, is not limited thereto.
The both ends of the connection wiring board 180 are connected respectively with the main circuit board 140 and the secondary circuit board 150, and
And each conducting wire of the connection wiring board 180 connects respectively with each conducting wire on the main circuit board 140 and the secondary circuit board 150
It connects, to realize being electrically connected for connection wiring board 180 and the main circuit board 140 and the pair circuit board 150, so that
Electrical connection is realized between the main circuit board 140 and the secondary circuit board 150.The connection wiring board 180 passes through the main electricity
Conducting wire on road plate 140 is connected with the charging management chip 160, and the connection wiring board 180 also passes through the secondary circuit board
Conducting wire on 150 is electrically connected with the charging pins of the USB socket 170, to realize the charging of the mobile terminal 100.
Further, it is described connection wiring board 180 ground wire both ends respectively with first on the main circuit board 140
Ground connection cabling is connected with the second ground connection cabling on the secondary circuit board 150.
The both ends of the coaxial line 1100 are electrically connected respectively with the main circuit board 140 and the secondary circuit board 150, described
One end of coaxial line 1100 is connected by the direct-current blocking-up device 190 with the first ground connection cabling on the main circuit board 140, institute
The other end of coaxial line 1100 is stated to be connected with the second ground connection cabling on the secondary circuit board 150.
In present embodiment, the first ground connection cabling passes sequentially through the direct-current blocking-up device 190 and the grounding connection
Part 1130 is connected with the metal shell of the mobile terminal 100, the metal of the second ground connection cabling and the mobile terminal 100
Housing connects, so as to be formed close to a current reflux path of the electronic compass 1110.
The first ground connection cabling is connected by the direct-current blocking-up device 190 with the coaxial line 1100, and described second connects
Ground cabling is connected with the coaxial line, so as to be formed close to another current reflux path of the electronic compass 1110.
Present embodiment is so as to be illustrated exemplified by above-mentioned two current reflux paths, but be not limited thereto, at it
In his embodiment or in only above-mentioned two current reflux paths one or other close to the electronic compass
1110 current reflux path etc., is not limited thereto.
The direct-current blocking-up device 190 includes two capacitors, one of them described capacitor is connected to first ground connection
Between cabling and the ground connections 1130, so as to separate between the first ground connection cabling and the ground connections 1130
DC loop, another described capacitor be connected to it is described first ground connection cabling and the coaxial line 1100 between, so as to every
DC loop between the disconnected first ground connection cabling and the coaxial line 1100.
Wherein, the capacitor includes at least one capacity cell, when with more than two capacity cells, at least one
A capacity cell can be connected in parallel to each other setting, with this come the parallel connection of the capacity cell by selecting different capacitances and spectral characteristic
It sets, to match the factors such as the signal bandwidth of the antenna of the mobile terminal 100 and radio frequency unit.
In present embodiment, illustrated so that the direct-current blocking-up device 190 includes two capacitors as an example, but not
This is confined to, in other embodiments, the direct-current blocking-up device 190 can also only include a capacitor, capacitor
One end and the described first ground connection cabling line, the other end of capacitor respectively with the ground connections 1130 and the coaxial line
1100 connections, are not limited thereto.
The ground connections 1130 are earthing screw, but are not limited to this, in other embodiments, the ground connection
Connector 1130 can also be the ground structures such as grounding elastic part, earthing contact and grounding fastener.
Please refer to Fig. 3, the equivalent circuit diagram for the current reflux path that each element is formed in Fig. 3 Fig. 2.Such as institute in Fig. 3
Show, power supply 10 is the equivalent source being turned into during the charge and discharge of the charging management chip 160, and resistance 11 is the ground connections
Equivalent impedance ground between 1130 and the metal shell connection of the mobile terminal 100, resistance 12 are the mobile terminal 100
Metal shell itself equiva lent impedance, resistance 13 for described second ground connection cabling pass through the ground devices such as ground connections and institute
The equivalent impedance ground between the metal shell connection of mobile terminal 100 is stated, resistance 21 passes through for the charging management chip 160
It is described first ground connection cabling to it is described connection wiring board 180 be grounded cabling between it is equivalent walk line impedence, resistance 22 is described
The equiva lent impedance of the ground connection cabling itself of wiring board 180 is connected, resistance 31 is the direct-current blocking-up device 190 and the coaxial line
Equivalent contact impedance between 1100, resistance 32 are outer conductor the equiva lent impedance of the coaxial line 1100 in itself, 41 He of capacitance
Capacitance 42 is the equivalent capacity element of the direct-current blocking-up device 190, and ground terminal 20 is the grounding pin of the USB socket 170.
From the equivalent circuit diagram in Fig. 3, current reflux path has 3, and first current reflux path is to pass through successively
Capacitance 41, resistance 11, resistance 12 and resistance 13 are crossed, Article 2 return flow path is successively by resistance 21 and resistance 22, Article 3
Current reflux path is successively by capacitance 42, resistance 31 and resistance 32, close to institute it can be seen from above-mentioned return flow path
First current reflux path of electronic compass 1110 and Article 3 current reflux path are stated, due to depositing for capacitance 41 and capacitance 42
So that the DC loop in first current reflux path of the electronic compass 1110 and Article 3 current reflux path
Separated, DC current can not be by so as to generate the interference magnetic field of DC loop, avoiding interference magnetic field to the electricity
The interference of sub- compass 1110, meanwhile, in Article 3 direct current return flow path, although capacitance 42 has separated DC loop,
In 1100 user's transmission antenna signal of coaxial line or radiofrequency signal, since aerial signal and radiofrequency signal are usually to hand over
Signal is flowed, and the Article 3 direct current return flow path for being is the transmission that can allow AC signal, meets radiofrequency signal and antenna letter
Number AC earth demand.
And for Article 2 current reflux path, since Article 2 current reflux path is away from the electronic compass 1110,
And the electric current of itself is also general smaller, so interference magnetic field can't make the electronic compass 1110 after decaying at a distance
Into influence.
Mobile terminal provided in an embodiment of the present invention, the mobile terminal include main circuit board, secondary circuit board, direct-current blocking-up
Device, ground connections and coaxial line, the direct-current blocking-up device and the ground connections are arranged on the main circuit board, described
Ground connections are connected with the metal shell of the mobile terminal, the both ends of the coaxial line respectively with the main circuit board and institute
Secondary circuit board connection is stated, the first ground connection cabling is provided on the main circuit board, the second ground connection is provided on the pair circuit board
Cabling；Wherein, the first ground connection cabling is connected by the direct-current blocking-up device with the ground connections, and passes through described connect
Earth connection is connected with the metal shell of the mobile terminal, the metal shell of the second ground connection cabling and the mobile terminal
Connection；And/or the first ground connection cabling is connected by the direct-current blocking-up device with the coaxial line, the second ground connection cabling
It is connected with the coaxial line.In this way, by setting direct-current blocking-up device, the direct current between main circuit board and secondary circuit board is flowed back
Pathway disruption so as to can not be turned in DC current in each return flow path of electronic compass, is prevented close to electronic compass
Each return flow path in DC current circulation, but not influence coaxial line in AC signal demand for grounding, so as to drop
Interference low or even that elimination charging return flow path is to electronic compass.
The above description is merely a specific embodiment, but protection scope of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can readily occur in change or replacement, should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be subject to the protection scope in claims.
Claims (9)
1. a kind of mobile terminal, which is characterized in that the mobile terminal includes main circuit board, secondary circuit board, direct-current blocking-up device, connects
Earth connection and coaxial line, the direct-current blocking-up device and the ground connections are arranged on the main circuit board, the ground connection
Connector is connected with the metal shell of the mobile terminal, the both ends of the coaxial line respectively with the main circuit board and the pair
Circuit board connects, and the first ground connection cabling is provided on the main circuit board, the second ground connection cabling is provided on the pair circuit board；
Wherein,
The first ground connection cabling is connected by the direct-current blocking-up device with the ground connections, and passes through the grounding connection
Part is connected with the metal shell of the mobile terminal, and the second ground connection cabling is connected with the metal shell of the mobile terminal；
And/or the first ground connection cabling is connected by the direct-current blocking-up device with the coaxial line, the second ground connection cabling
It is connected with the coaxial line.
2. mobile terminal as described in claim 1, which is characterized in that the mobile terminal includes electronic compass, the electronics
Compass is arranged on the main circuit board, and the electronic compass is located at one end of the main circuit board, the ground connections
It is disposed adjacent with the electronic compass.
3. mobile terminal as described in claim 1, which is characterized in that the mobile terminal includes connection wiring board, the company
The both ends of link plate are electrically connected respectively with the described first ground connection cabling and the second ground connection cabling.
4. mobile terminal as claimed in claim 3, which is characterized in that the mobile terminal includes USB socket, and the USB is inserted
Seat is arranged on the secondary circuit board, and the grounding pin of the USB socket is connected with the described second ground connection cabling.
5. mobile terminal as claimed in claim 4, which is characterized in that the charging of the connection wiring board and the USB socket
Pin is electrically connected.
6. mobile terminal as described in claim 1, which is characterized in that the direct-current blocking-up device includes a capacitor, the electricity
One end of container with described first ground connection cabling be connected, the other end of the capacitor be connected with the ground connections and/or
The other end of the capacitor is connected with the coaxial line.
7. mobile terminal as described in claim 1, which is characterized in that the direct-current blocking-up device includes two capacitors, wherein
One capacitor is connected between the first ground connection cabling and the ground connections, another described capacitor connection
Between the described first ground connection cabling and the coaxial line.
8. the mobile terminal as described in claim 6 or 7, which is characterized in that the capacitor includes at least one capacitance member
Part, at least one capacity cell are connected in parallel to each other setting.
9. mobile terminal as described in claim 1, which is characterized in that the ground connections for earthing screw, grounding elastic part,
Earthing contact or grounding fastener.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711462301.6A CN108093106B (en) | 2017-12-28 | 2017-12-28 | Mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711462301.6A CN108093106B (en) | 2017-12-28 | 2017-12-28 | Mobile terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108093106A true CN108093106A (en) | 2018-05-29 |
| CN108093106B CN108093106B (en) | 2020-05-22 |
Family
ID=62180914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711462301.6A Active CN108093106B (en) | 2017-12-28 | 2017-12-28 | Mobile terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108093106B (en) |
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| KR20100116373A (en) * | 2009-04-22 | 2010-11-01 | 케이. 에이. 이 (주) | Antenna for a mobile communication device |
| CN102937447A (en) * | 2012-10-22 | 2013-02-20 | 广东欧珀移动通信有限公司 | Electronic compass interference eliminating method |
| US20130104410A1 (en) * | 2011-10-27 | 2013-05-02 | Jeremy L. Wade | Electronic Devices With Magnetic Field Compensating Conductive Traces |
| CN203086534U (en) * | 2013-01-04 | 2013-07-24 | 深圳酷比通信设备有限公司 | Smart phone mainboard and smart phone |
| CN103378392A (en) * | 2013-07-05 | 2013-10-30 | 常州安费诺福洋通信设备有限公司 | Integrated capacitance direct-current blocker |
| CN103812106A (en) * | 2013-10-31 | 2014-05-21 | 陕西航空电气有限责任公司 | Anti-electromagnetic interference method of aerial AC (alternate current) power source system |
| CN105823489A (en) * | 2016-01-29 | 2016-08-03 | 维沃移动通信有限公司 | Manufacturing method for circuit board of electronic compass and device |
| CN205961206U (en) * | 2016-08-18 | 2017-02-15 | 贵州财富之舟科技有限公司 | Mobile terminal |
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2017
- 2017-12-28 CN CN201711462301.6A patent/CN108093106B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20100116373A (en) * | 2009-04-22 | 2010-11-01 | 케이. 에이. 이 (주) | Antenna for a mobile communication device |
| US20130104410A1 (en) * | 2011-10-27 | 2013-05-02 | Jeremy L. Wade | Electronic Devices With Magnetic Field Compensating Conductive Traces |
| CN102937447A (en) * | 2012-10-22 | 2013-02-20 | 广东欧珀移动通信有限公司 | Electronic compass interference eliminating method |
| CN203086534U (en) * | 2013-01-04 | 2013-07-24 | 深圳酷比通信设备有限公司 | Smart phone mainboard and smart phone |
| CN103378392A (en) * | 2013-07-05 | 2013-10-30 | 常州安费诺福洋通信设备有限公司 | Integrated capacitance direct-current blocker |
| CN103812106A (en) * | 2013-10-31 | 2014-05-21 | 陕西航空电气有限责任公司 | Anti-electromagnetic interference method of aerial AC (alternate current) power source system |
| CN105823489A (en) * | 2016-01-29 | 2016-08-03 | 维沃移动通信有限公司 | Manufacturing method for circuit board of electronic compass and device |
| CN205961206U (en) * | 2016-08-18 | 2017-02-15 | 贵州财富之舟科技有限公司 | Mobile terminal |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108093106B (en) | 2020-05-22 |
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