CN105896125A - Electronic device and electric connector thereof - Google Patents

Electronic device and electric connector thereof Download PDF

Info

Publication number
CN105896125A
CN105896125A CN201610225997.XA CN201610225997A CN105896125A CN 105896125 A CN105896125 A CN 105896125A CN 201610225997 A CN201610225997 A CN 201610225997A CN 105896125 A CN105896125 A CN 105896125A
Authority
CN
China
Prior art keywords
circuit board
terminal
electric connector
base portion
pin
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.)
Pending
Application number
CN201610225997.XA
Other languages
Chinese (zh)
Inventor
郑志丕
司明伦
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Foxconn Kunshan Computer Connector Co Ltd
Foxconn Interconnect Technology Ltd
Original Assignee
Foxconn Kunshan Computer Connector Co Ltd
Foxconn Interconnect Technology Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Foxconn Kunshan Computer Connector Co Ltd, Foxconn Interconnect Technology Ltd filed Critical Foxconn Kunshan Computer Connector Co Ltd
Priority to CN201610225997.XA priority Critical patent/CN105896125A/en
Publication of CN105896125A publication Critical patent/CN105896125A/en
Priority to US15/487,405 priority patent/US10096947B2/en
Priority to US15/632,396 priority patent/US10199776B2/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70Coupling devices
    • H01R12/71Coupling devices for rigid printing circuits or like structures
    • H01R12/712Coupling devices for rigid printing circuits or like structures co-operating with the surface of the printed circuit or with a coupling device exclusively provided on the surface of the printed circuit
    • H01R12/716Coupling device provided on the PCB
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/50Fixed connections
    • H01R12/51Fixed connections for rigid printed circuits or like structures
    • H01R12/55Fixed connections for rigid printed circuits or like structures characterised by the terminals
    • H01R12/57Fixed connections for rigid printed circuits or like structures characterised by the terminals surface mounting terminals
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70Coupling devices
    • H01R12/7005Guiding, mounting, polarizing or locking means; Extractors
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/73Means for mounting coupling parts to apparatus or structures, e.g. to a wall
    • H01R13/74Means for mounting coupling parts in openings of a panel
    • H01R13/748Means for mounting coupling parts in openings of a panel using one or more screws

Landscapes

  • Coupling Device And Connection With Printed Circuit (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Abstract

The invention discloses an electronic device and an electric connector thereof. The electronic device comprises a casing 200, a circuit board 300, and an electronic connector 100. The casing is provided with an inner surface, an outer surface, and an inserting groove 21 penetrating the inner surface and the outer surface. The electric connector is partially accommodated in the inserting groove, and comprises a base part 11, a butt joint clapper 12 extended forwards from the base part, and a terminal 13. The terminal comprises a contact part exposed out of the butt joint clapper and a pin extended out of the base part. The butt joint clapper 12 is inserted in the inserting groove 21, and the base part is exposed in the casing, and is provided with a circuit board installation surface 111. The pin of the terminal is the crimping type pin, and the circuit board is disposed on the circuit board installation surface of the electric connector, and is elastically contacted with the crimping type pin. Compared with the prior art, the crimping type terminal pin is provided, and the circuit board can be directly arranged, and then the integral assembly of the electronic device can be facilitated.

Description

Electronic equipment and electric connector thereof
[technical field]
The present invention relates to a kind of electronic equipment, it is provided with electric connector.
[background technology]
On August 11st, 2014, USB association discloses a kind of novel electric connector, its pin connector positive and negative both direction can insert corresponding socket connector, and this socket connector can transmit USB2.0 and USB3.0 or USB3.1 signal, this adapter named USB Type C adapter.Wherein the plastic body of plate terminal adapter is provided with shield, shield is between upper and lower row's terminal, shield has the effect that the upper and lower row's high-frequency signal terminal of improvement is interfering with each other, especially transmission USB3.0 or USB3.1 high-frequency signal (high-frequency Capable signal) time, meanwhile, two lateral margins of shield have latch part, are used for the lock catch arm phase clasp with butt connector, play snap close and ground connection effect.Simultaneously in follow-up specifications more redaction, disclosing the electric connector not having metal shell, this kind of adapter is generally used in the electronic equipment higher to appearance requirement, such as smart mobile phone or panel computer.Such electronic equipment is towards the trend development of slimming.It is desirable that the scheme facilitating the electric connector assembling in such electronic equipment can be designed.
[summary of the invention]
The technical problem to be solved is to provide a kind of electronic equipment, and on it, electric connector can simply be installed.
For solving above-mentioned technical problem, the present invention can adopt the following technical scheme that a kind of electronic equipment, it includes casing, circuit board and electric connector, the definition of described casing has inner and outer surfaces and is provided through the inserting groove of its inner and outer surfaces, described electrical connector portions is housed in described inserting groove, described electric connector includes base portion, the docking hyoplastron extended forward from base portion and terminal, and described terminal includes the exposed contact site at docking hyoplastron and extends the pin of base portion;Described docking hyoplastron inserts in inserting groove, and described base portion is exposed in casing and have circuit board installed surface;The pin of described terminal is crimp type pin, and described circuit board is placed on the circuit board installed surface of described electric connector and reaches Elastic Contact with described crimp type pin.
The present invention also can adopt the following technical scheme that a kind of electric connector, it is used to be arranged in the casing of an electronic equipment, described casing is provided with inserting groove, described electric connector includes base portion, the docking hyoplastron extended from base portion and terminal, described docking hyoplastron inserts described inserting groove, and the definition of described base portion has circuit board installed surface;Described terminal includes the exposed contact site at docking hyoplastron and extends the pin of base portion;The pin of described terminal is crimp type pin and such crimp type pin protrudes out to circuit board installed surface, and described circuit board installed surface is for realizing elasticity with crimp type pin towards the open sides of casing compress to provide circuit board to insert.
Compared with prior art, the terminal pin of the present invention is crimp type, and circuit board is directly placed, and facilitates the overall package of electronic equipment.
[accompanying drawing explanation]
Fig. 1 is the axonometric chart of electronic equipment of the present invention.
Fig. 2 is the three-dimensional exploded view of electronic equipment shown in Fig. 1.
Fig. 3 is the axonometric chart of another angle of electric connector in Fig. 2.
Fig. 4 is the axonometric chart of another angle of electric connector in Fig. 2.
Fig. 5 is casing and the three-dimensional exploded view of electric connector in Fig. 2.
Fig. 6 is the axonometric chart that in Fig. 5, casing inserted by electric connector.
Fig. 7 is the axonometric chart being provided with circuit board and gim peg on the basis of Fig. 5 again.
Fig. 8 is that in Fig. 7, circuit board is moved to axonometric chart on one side.
Fig. 9 is shield and first, second terminal module and the axonometric chart of material strip thereof in Fig. 3 electric connector.
Figure 10 is the axonometric chart being molded with the 3rd insulator on the basis of Fig. 9 again.
Figure 11 is terminal module and the three-dimensional exploded view of metal shell excising material strip on the basis of Figure 10.
Figure 12 is the axonometric chart of first, second terminal and shield.
[main element symbol description]
Electronic equipment 1000 The first terminal module 16
Electric connector 100 First insulator 161
Terminal module 10a The first terminal 162
Base portion 11 Power supply terminal 161P
Circuit board installed surface 111 Ground terminal 162G
Front fixed part 112 Second material strip 163
Upper surface 1121 Second hole 1631, location
Rear installation portion 113 Second terminal module 17
Detent 115 Second insulator 171
Docking hyoplastron 12 Second terminal 172
Terminal 13 3rd material strip 173
Contact site 131 3rd hole 1731, location
Pin 132 3rd insulator 18
Curved bend folding part 1321 Casing 200
Metal shell 14 Inner surface 201
Paster 141 Outer surface 202
3rd fixing hole 1411 Inserting groove 21
Annulus 142 Supporting lug 22
Spacer 1421 First fixing hole 221
Inverted U portion 143 Sidewall 231
Rear wall 144 Lower wall 232
Shield 15 Circuit board 300
First material strip 151 Second fixing hole 31
First hole 1511, location Conductive pad 32
Snap close lateral margin 152 Gim peg 400
Following detailed description of the invention will further illustrate the present invention in conjunction with above-mentioned accompanying drawing.
[detailed description of the invention]
Ginseng Fig. 1, the embodiment that the present invention shows is that one is provided with USB The electronic equipment 1000 of Type C electric connector 100.With continued reference to Fig. 1 to Fig. 8, described electronic equipment 1000 includes casing 200, circuit board 300 and electric connector 100, the definition of described casing 200 has inner surface 201 and outer surface 202, and the inserting groove 21 running through its inner and outer surfaces being provided with, described electric connector 100 partial receipt is in this inserting groove 21.Described electric connector 100 includes base portion 11, the docking hyoplastron 12 extended forward from base portion 11 and terminal 13, described terminal 13 includes the exposed contact site 131 at docking hyoplastron 12 and extends the pin 132 of base portion, described docking hyoplastron 12 inserts in inserting groove 21, in the present embodiment, the space for a butt connector grafting is formed between described docking hyoplastron and the inserting groove of casing.Described base portion 10 is exposed in casing 200 and have circuit board installed surface 111.The pin 132 of described terminal is crimp type pin, and described circuit board 300 is placed on the circuit board installed surface 111 of described electric connector and reaches Elastic Contact with described crimp type pin.Electronic equipment 100 also includes being used for fixing circuit board 300 in the gim peg 400 of casing 200.
The contact site 132 of described terminal 13 arranges (i.e. the first terminal and the second terminal) and lays respectively at two apparent surfaces of described docking hyoplastron 12 in two rows, and described pin 132 arranges in front two rows and the most adjacent one another are is crisscross arranged.Described base portion 11 includes that front fixed part 112 and rear installation portion 113, described front fixed part 112 shape match with inserting groove 21, forms locating effect in inserting inserting groove.Described rear installation portion 113 then defines foregoing circuit plate installed surface 111.Described crimp type pin 132 is the curved bend folding part 1321 protruded to described circuit board installed surface 111.The base portion 11 appearance surface of described electric connector 100 is closely covered with metal shell 14, and metal shell 14 includes that the annulus 142 being covered in front fixed part 112 and docile are in the inverted U portion 143 of rear installation portion.Described metal shell extends a pair paster 141, and paster 141 extends from inverted U portion and concordant with circuit board installed surface 111.Described paster 141 offers the 3rd fixing hole 1411.
Fig. 5 to Fig. 7 shows its assembling process.Ginseng Fig. 5, described inserting groove 21 runs through the interior outside of casing 200, and its cross section is the ellipse meeting USB Type C interface.The internal side at inserting groove of casing 200 is provided with a pair supporting lug 22, and supporting lug 22 is provided with the first fixing hole 221.In a specific embodiment, inserting groove 21 is arranged on the sidewall 231 of casing, i.e. inserting groove and runs through the interior outside of sidewall, and casing also has the lower wall 232 connecting sidewall.Described electric connector 200 inserts inserting groove 21 from the inner surface 201 of casing.As shown in Figure 4, described front fixed part 112 inserts inserting groove 21.Described paster 141 is placed in the upper surface of supporting lug 22, and its 3rd fixing hole 1411 is aligned with each other with the first fixing hole 221.Then circuit board 300 is placed on the circuit board installed surface 111 of electric connector, circuit board 300 is provided with the second fixing hole 31, between the held circuit board of paster 141 300 and supporting lug 22, above-mentioned gim peg 400 is fixed on the first fixing hole 221 through second, third fixing hole, thus is fixed in casing 200 by circuit board 300.The conductive pad 32 that circuit board 300 lower surface is provided with then realizes in electrical contact with crimp type pin 132, and for essence, circuit board installed surface 111 is for realizing elasticity with crimp type pin 132 towards the open sides of casing 200 compress to provide circuit board 300 to insert.The definition of described front fixed part has relative upper surface 1121 and lower surface (non-label), described circuit board installed surface 111 is between the upper and lower surface of front fixed part, after circuit board is installed, described circuit board 300 does not exceeds front fixed part, thus realize heavy plate effect, reduce the height space that electric connector takies.
The manufacture process of electric connector 100 is described below, ginseng figure Fig. 9-Figure 11, shield 15 is first provided, the first terminal module 16 and the second terminal module 17, the both sides of shield connect the first material strip 151, first material strip has some first holes 1511, location, the first terminal module 16 include the first insulator 161 and be embedded in the first insulator one ranked first terminal 162, one both sides that ranked first terminal 162 connect the second material strip 163, second material strip has the second hole, location 1631, second terminal module 17 includes the second insulator 171 and the second terminal 172 being embedded in the second insulator, one both sides that ranked second terminal connect the 3rd material strip 173, 3rd material strip has some 3rd holes 1731, location.After three's stack assembly, being injection molded with the 3rd insulator 18, thus form complete terminal module 10a outside it, above-mentioned terminal 13 includes described the first terminal 162 and the second terminal 172, is arranged separately on the upper and lower surface of docking hyoplastron.The most again by three material strip excisions, the side of shield 15 is exposed forms snap close lateral margin 152 at the side of insulator.The most again metal shell 14 is arranged on from front to back outside terminal module 10a, wherein the leading edge of the ring part 142 of metal shell is stamped and formed out two spacers 1421 to inwardly protruding out, terminal module 10a is provided with detent 115 at the leading edge of its base portion 11, spacer 1421 is inwardly pressed in detent 115, prevents metal shell from departing from terminal module backward.Wherein the back edge in inverted U portion also extends rear wall 144, joins Fig. 5.Figure 12 shows the position relationship of first, second terminal and shield, wherein in addition to pin, the width of the power supply terminal 162P in first, second row's terminal and ground terminal 162G is more than other terminals, and the width of the pin of such terminal is roughly the same, and left and right interleaved adjacent arrangement each other.
Above-described embodiment is the better embodiment of the present invention, and not all embodiment.The change of any equivalence that technical solution of the present invention is taked by those of ordinary skill in the art by reading description of the invention, the claim being the present invention is contained.

Claims (10)

1. an electronic equipment, it includes casing, circuit board and electric connector, the definition of described casing has inner and outer surfaces and is provided through the inserting groove of its inner and outer surfaces, described electrical connector portions is housed in described inserting groove, described electric connector includes base portion, the docking hyoplastron extended forward from base portion and terminal, and described terminal includes the exposed contact site at docking hyoplastron and extends the pin of base portion;Described docking hyoplastron inserts in inserting groove, and described base portion is exposed in casing and have circuit board installed surface;It is characterized in that: the pin of described terminal is crimp type pin, described circuit board is placed on the circuit board installed surface of described electric connector and reaches Elastic Contact with described crimp type pin.
2. electronic equipment as claimed in claim 1, it is characterised in that: described crimp type pin is the curved bend folding part protruded to described circuit board installed surface.
3. electronic equipment as claimed in claim 1, it is characterised in that: the contact site of described terminal is two rows' arrangements and two apparent surfaces laying respectively at described docking hyoplastron, and described pin is front two rows arrangement and the most adjacent one another are is crisscross arranged.
4. electronic equipment as claimed in claim 1, it is characterized in that: described casing internal is provided with a pair supporting lug at the side of inserting groove, the base portion of described electric connector is between this is to supporting lug, described supporting lug is provided with the first fixing hole, described circuit board arranges the second fixing hole, and a pair gim peg fixes the second fixing hole of supporting lug through the first fixing hole of circuit board.
5. electronic equipment as claimed in claim 4, it is characterized in that: outside the base portion of described electric connector, be closely covered with metal shell, described metal shell extends a pair paster, described paster offers the 3rd fixing hole, between the held circuit board of described paster and supporting lug and above-mentioned gim peg is also through described 3rd fixing hole.
6. the electronic equipment as described in claim 1 or 4, it is characterized in that: described base portion includes front fixed part and rear installation portion, described front fixed part shape matches with inserting groove, described rear installation portion has then defined foregoing circuit plate installed surface, and described circuit board does not protrudes out the upper and lower surface of front fixed part.
7. electronic equipment as claimed in claim 1, it is characterised in that: closely it is covered with metal shell outside the base portion of described electric connector, between described docking hyoplastron and the inserting groove of casing, forms the space for a butt connector grafting.
8. an electric connector, being used to be arranged in the casing of an electronic equipment, described casing is provided with inserting groove, and described electric connector includes base portion, the docking hyoplastron extended from base portion and terminal, described docking hyoplastron inserts described inserting groove, and the definition of described base portion has circuit board installed surface;Described terminal includes the exposed contact site at docking hyoplastron and extends the pin of base portion;It is characterized in that: the pin of described terminal is crimp type pin and such crimp type pin protrudes out to circuit board installed surface, described circuit board installed surface is for realizing elasticity with crimp type pin towards the open sides of casing compress to provide circuit board to insert.
9. electric connector as claimed in claim 8, it is characterised in that: described base portion includes that front fixed part and rear installation portion, described front fixed part shape match with inserting groove, and described rear installation portion has then defined foregoing circuit plate installed surface;The outer surface of described base portion is covered with metal shell, and described metal shell includes that the annulus being covered in front fixed part and docile extend the paster concordant with circuit board installed surface in the inverted U portion of rear installation portion, inverted U portion;The definition of described front fixed part has relative upper and lower surface, and described circuit board installed surface is between the upper and lower surface of front fixed part.
10. electric connector as claimed in claim 9, it is characterised in that: the pin width of described terminal is identical, but the width of the power supply terminal included in described terminal and ground terminal is more than other terminals.
CN201610225997.XA 2015-04-21 2016-04-13 Electronic device and electric connector thereof Pending CN105896125A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201610225997.XA CN105896125A (en) 2016-04-13 2016-04-13 Electronic device and electric connector thereof
US15/487,405 US10096947B2 (en) 2016-04-13 2017-04-13 Electrical connector and electrical device assembled with the same therein
US15/632,396 US10199776B2 (en) 2015-04-21 2017-06-26 Electrical connector with improved shielding plate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610225997.XA CN105896125A (en) 2016-04-13 2016-04-13 Electronic device and electric connector thereof

Publications (1)

Publication Number Publication Date
CN105896125A true CN105896125A (en) 2016-08-24

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610225997.XA Pending CN105896125A (en) 2015-04-21 2016-04-13 Electronic device and electric connector thereof

Country Status (1)

Country Link
CN (1) CN105896125A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106785611A (en) * 2017-01-19 2017-05-31 启东乾朔电子有限公司 Electric connector and electronic equipment
WO2019061274A1 (en) * 2017-09-29 2019-04-04 深圳传音通讯有限公司 Usb female connector and charging device
CN109841989A (en) * 2019-03-13 2019-06-04 Oppo(重庆)智能科技有限公司 Electronic device
CN113437550A (en) * 2021-06-23 2021-09-24 维沃移动通信有限公司 Electronic device
WO2022143063A1 (en) * 2020-12-31 2022-07-07 华为技术有限公司 Electronic device

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080057795A1 (en) * 2005-11-18 2008-03-06 Advanced Connectek Inc. Low profile electrical connector
CN103199366A (en) * 2012-01-05 2013-07-10 艾恩特精密工业股份有限公司 Electrical connector and electronic apparatus using the same
CN103490191A (en) * 2013-09-02 2014-01-01 上海摩软通讯技术有限公司 Electronic device with USB connector
CN204809456U (en) * 2014-04-09 2015-11-25 富士康(昆山)电脑接插件有限公司 Socket connector
CN105449401A (en) * 2014-08-08 2016-03-30 莫列斯公司 Electric connector and electric connector combination

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080057795A1 (en) * 2005-11-18 2008-03-06 Advanced Connectek Inc. Low profile electrical connector
CN103199366A (en) * 2012-01-05 2013-07-10 艾恩特精密工业股份有限公司 Electrical connector and electronic apparatus using the same
CN103490191A (en) * 2013-09-02 2014-01-01 上海摩软通讯技术有限公司 Electronic device with USB connector
CN204809456U (en) * 2014-04-09 2015-11-25 富士康(昆山)电脑接插件有限公司 Socket connector
CN105449401A (en) * 2014-08-08 2016-03-30 莫列斯公司 Electric connector and electric connector combination

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106785611A (en) * 2017-01-19 2017-05-31 启东乾朔电子有限公司 Electric connector and electronic equipment
CN106785611B (en) * 2017-01-19 2023-03-14 启东乾朔电子有限公司 Electric connector and electronic equipment
WO2019061274A1 (en) * 2017-09-29 2019-04-04 深圳传音通讯有限公司 Usb female connector and charging device
CN109841989A (en) * 2019-03-13 2019-06-04 Oppo(重庆)智能科技有限公司 Electronic device
WO2022143063A1 (en) * 2020-12-31 2022-07-07 华为技术有限公司 Electronic device
CN113437550A (en) * 2021-06-23 2021-09-24 维沃移动通信有限公司 Electronic device

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Application publication date: 20160824