CN207588103U - A kind of connector - Google Patents
A kind of connector Download PDFInfo
- Publication number
- CN207588103U CN207588103U CN201721272450.1U CN201721272450U CN207588103U CN 207588103 U CN207588103 U CN 207588103U CN 201721272450 U CN201721272450 U CN 201721272450U CN 207588103 U CN207588103 U CN 207588103U
- Authority
- CN
- China
- Prior art keywords
- circuit board
- connector
- coupler body
- shrapnel
- connecting portion
- 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.)
- Active
Links
Landscapes
- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
The utility model field belongs to interconnection technique field more particularly to a kind of connector.Connector is used to be electrically connected first circuit board and second circuit board.Wherein, first circuit board is provided with the first connecting hole, and second circuit board is provided with and corresponding second connecting hole of the size, shape and position of the first connecting hole.Connector includes insulator and at least one shrapnel, wherein, insulator includes the support portion that at least one holding section and holding section connect, and each holding section both passes through the first connecting hole and the second connecting hole and first circuit board is bonded with second circuit board and is snapped connection with first circuit board.Shrapnel is located on the first surface of second circuit board, and shrapnel includes first connecting portion and the second connecting portion that is extended to form by first connecting portion, and the support portion of first connecting portion and insulator snaps connection, and second connecting portion is contacted with the first surface of second circuit board.Shrapnel is realized that self-locking type is fixed by the connector of the utility model with first circuit board using insulator with second circuit board, and stability is good, and realizes being miniaturized, being inexpensive for connector.
Description
Technical field
The utility model belongs to interconnection technique field more particularly to a kind of connector.
Background technology
Existing electronic equipment realizes the connection of circuit frequently with connector, and connector uses modular manufacture, then
It fixes again on circuit boards.Connector connects two active devices, transmit electric current or signal.Connector is our electronics works
Journey technical staff often in contact with a kind of component.Its effect is very simple：Place or isolated obstructed electricity are blocked in circuit
Between road, the bridge of communication is erected, so as to make current flowing, circuit is made to realize scheduled function.Connector is in electronic equipment
Indispensable component, along current flowing access observe, you always find there are one or multiple connectors.Connector form
It is ever-changing with structure, with differences such as application, frequency, power, application environments, there are various various forms of connections
Device.
Traditional connector has BTB connectors and ZIF connector etc., they are all for the electrical connection between circuit board.
But with the development of electronic technology, the performance and connection mode of connector are also to be improved.So how to realize micromation, low
The Self-locking connector of cost is our problems needed to be considered.
Utility model content
The technical problem to be solved of the utility model is that there are the fixation of connector is numerous for solving the prior art
The problem of trivial, of high cost.
The utility model is realized in this way：
A kind of connector, connector are used to be electrically connected first circuit board and second circuit board.Wherein, first circuit board is set
There is the first connecting hole, second circuit board is provided with and corresponding second connecting hole of the size, shape and position of the first connecting hole.
Connector includes insulator and at least one shrapnel, wherein, insulator is connected including at least one holding section and holding section
Support portion, and each holding section both passes through the first connecting hole and first circuit board is bonded by the second connecting hole with second circuit board
And it is snapped connection with first circuit board.Shrapnel is located on the first surface of second circuit board, shrapnel include first connecting portion and by
The support portion of the second connecting portion that first connecting portion extends to form, first connecting portion and insulator snaps connection, second connecting portion
It is contacted with the first surface of second circuit board.
Further, first circuit board is mainboard, and second circuit board is flexible PCB.
Further, second circuit board has the second surface opposite with first surface, and first circuit board has third table
Face and the 4th surface.On second surface there is the first at least one pad, have on third surface and the on second surface
The position of one pad and corresponding second pad of quantity.
Further, the first pad size is less than the size of the second pad.
Further, holding section includes cylinder and the barb extended outward to form from cylinder bottom end, cylinder top crotch
Angle of release be C-shaped angle of release.
Further, the receiving hole of an at least row is provided on support portion, each receiving hole is for one shrapnel of receiving.
Further, the quantity of receiving hole is more than the quantity of holding section.
Further, it is staggered per adjacent two rows of receiving holes.
Further, the first connecting portion of shrapnel includes the first coupler body, the second coupler body, and second connecting portion includes third coupler body
And the 4th coupler body.First coupler body and support portion snap connection, the head end of the second coupler body is connected with the end of the first coupler body, third
The head end of coupler body is connected with the end of the second coupler body, and the head end of the 4th coupler body is connected with the end of third coupler body.Wherein, third hook
The position of the projection of body the first pad corresponding on first surface connects.
Connector provided by the utility model, for being electrically connected first circuit board and second circuit board.Wherein, the first circuit
Plate is provided with the first connecting hole, and second circuit board is provided with and the size, shape and position of the first connecting hole corresponding second
Connecting hole.Connector includes insulator and at least one shrapnel, wherein, insulator includes at least one holding section and holding section
The support portion of connection, and each holding section both passes through the first connecting hole and the second connecting hole by first circuit board and second circuit
Plate is bonded and is snapped connection with two circuit boards.Shrapnel is located on the first surface of first circuit board, and shrapnel includes first connecting portion
And the second connecting portion extended to form by first connecting portion, the support portion of first connecting portion and insulator snap connection, second connects
Socket part is contacted with the first surface of first circuit board.It is achieved thereby that the self-locking type of connector is fixed, small, at low cost,
Manufacture craft is simple.
Description of the drawings
Fig. 1 is the first cross-sectional view of connector provided by the utility model；
Fig. 2 is the dimensional structure diagram of connector provided by the utility model；
Fig. 3 is each connecting component schematic diagram of connector provided by the utility model；
Fig. 4 is the second cross-sectional view of connector provided by the utility model.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention is further described in detail.It should be appreciated that described embodiment is only the utility model one
Divide embodiment, instead of all the embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not having
All other embodiments obtained under the premise of creative work are made, shall fall within the protection scope of the present invention.
The utility model embodiment is further described below in conjunction with the accompanying drawings.
Embodiment one：
Referring to Fig. 1, the utility model provides a kind of connector, for being electrically connected first circuit board 3 and second circuit board
4.Connector includes insulator 1 and shrapnel 2.
First circuit board 3 can be mainboard of flexible PCB, PCB, terminal such as mobile phone etc..Second circuit board 4 can
Think flexible PCB, PCB etc..
Specifically, first circuit board 3 has the first connecting hole 301, and second circuit board 4 has and the first connecting hole 301
Corresponding second connecting hole 401 of shape, size and location.
Referring to Fig. 3, first circuit board 3 has third surface and the 4th surface, and second circuit board 4 has first surface and the
Two surfaces.Pad is respectively provided on the third surface of first circuit board 3 and on the second surface of second circuit board 4 or other are conductive
Element.In one embodiment, there is the first at least one pad 402, first circuit board on the second surface of second circuit board 4
There is the second at least one pad 302 on 3 third surface, the position of the first pad 402 and quantity with the second pad 302
Position and quantity it is corresponding.In other embodiments, the size of the first pad 402 can be less than or equal to the second pad
302 size.
Specifically, insulator 1 includes holding section 101 and the support portion 102 being connect with 101 one end of holding section.Holding section
101 the other end passes through the first connecting hole 301 of first circuit board 3 and the second connecting hole 401 of second circuit board 4 and by the
First pad 402 of the second pad 302 and corresponding position on 4 second surface of second circuit board on one circuit board, 3 third surface
It is snapped connection after being bonded to each other with first circuit board 3.
Specifically, holding section 101 includes cylinder 1011 and the multiple overhead kicks extended outward to form from 1011 bottom end of cylinder
1012 (illustrate only two in figure, but the utility model is not limited thereto).In the present embodiment, cylinder 1011 can with but
It is not limited to cylinder, cuboid etc..The height of cylinder 1011 is according to the first electricity with pad or other conducting elements
Thickness after road plate 3 and second circuit board 4 are bonded to each other determines that the shape of cylinder 1011 can be with the of first circuit board 3
The shape of one connecting hole 301 or the matching of the shape of the second connecting hole 401 of second circuit board 4, preferably to realize engaging.
1011 top of cylinder is provided with bifurcated, and the angle of release of crotch can be C-shaped angle of release 1013 or the angle of release of other shapes,
In, the size on 1011 top of cylinder is less than or equal to the bore size of the first connecting hole 301.
In the present embodiment, the overhead kick 1012 of holding section 101 can be to pass through 401 He of the second connecting hole of second circuit board 4
The first connecting hole 301 and the first circuit board 3 of first circuit board 3 snap connection.Wherein, the cylinder of overhead kick 1012 is carried after bifurcated
1011 also referred to as elastic arms, when holding section 101 and first circuit board 3 snap connection, the of elastic arm alignment second circuit board 4
First connecting hole 301 of two connecting holes 401 and first circuit board 3 is firmly pressed, and elastic arm can generate deformation to pass through second
401 and first connecting hole 301 of connecting hole, after the overhead kick 1012 on elastic arm passes completely through second circuit board 4 and first circuit board 3
It will be restored to the original state by the elasticity of plastic cement, while the position of the projection of the first pad 402 is corresponded on the first surface of second circuit board 4
By shrapnel 2 to its elastic force, connector in elastic force negative direction because holding section 101 and first circuit board 3 snap connection, wherein using
Retaining counteracting forces can be formed in the overhead kick 1012 snapped connection, enable elastic sheet connector by second circuit board 4 and
One circuit board 3 is fixed together, and when second circuit board 4 is flexible PCB, since flexible PCB is very soft,
So the first pad 402 on the second surface of no reinforcement can be formed a salient point and first circuit board by the elastic force of shrapnel
The second pad 302 on 3 third surface is in close contact, and ensure that form more stable, more reliable electrical connection.
In the present embodiment, at least one receiving hole 1021 is provided on support portion 102, to accommodate shrapnel 2.
In the present embodiment, insulator 1 can be the isolation materials such as plastics.Block the holding section 101 and first of the present embodiment
The design of 301 and second connecting hole 401 of hole is closed, can realize that the self-locking type of connector is fixed, the insulator 1 of plastic material,
It is at low cost, preparation method is simple, plasticity is strong.
Wherein, shrapnel 2 is located on the first surface of second circuit board 4, is fixed by insulated body 1, by first circuit board 3
Close electrical connection is formed with second circuit board 4 so that connector can still allow first circuit board 3 in the case of shake
Stable be electrically connected is formed between second circuit board 4.
In the present embodiment, shrapnel 2 includes first connecting portion 201 and the second company extended to form by first connecting portion 201
Socket part 202.Wherein, the support portion 102 of first connecting portion 201 and insulator 1 is to snap connection.Second connecting portion 202 and second
The first surface Elastic Contact connection of circuit board 4.
In one embodiment of the utility model, the first connecting portion 201 of shrapnel 2 includes the first coupler body 2011, second hook
Body 2012.Second connecting portion 202 includes 2021 and the 4th coupler body 2022 of third coupler body.
Specifically, the first coupler body 2011 is snapped connection with support portion 102, the head end and the first coupler body of the second coupler body 2012
2011 end is connected, and the head end of third coupler body 2021 is connected with the end of the second coupler body 2012, the head end of the 4th coupler body 2022
It is connected with the end of third coupler body 2021.
In one embodiment, the width of 2011 end of the first coupler body can be less than in the width of 2011 head end of the first coupler body
Degree.The pierced pattern of such as triangle on the head end of third coupler body 2021 can be set, the intensity of shrapnel 2 can be reduced in this way,
It is readily bent so that the stability of shrapnel 2 is stronger.
In one embodiment of the utility model, the head end of the first coupler body 2011 is bonded with the upper surface of support portion 102, the
Lower surface of the head end of the end of one coupler body 2011 and the second coupler body 2012 with support portion 102 is bonded, so that engaging is more
Stablize.The tail end of second coupler body 2012 is parallel with the head end of the second coupler body 2012, and the head end of third coupler body 2021 is the second coupler body
2012 tail end is downwardly extending with about 45 ° of angle, and the head end of the tail end of third coupler body 2021 and the 4th coupler body 2022 is equal
It is parallel with the head end of third coupler body 2021.The tail end of 4th coupler body 2022 and the head end of the 4th coupler body 2022 are in about 90 degree of folder
Angle, the tail end of the 4th coupler body 2022 are connected with the head end of third coupler body 2021, so that the stability of shrapnel 2 is more preferable.
In one embodiment, second circuit board 4 is additionally provided with button switch or microswitch such as handset side
The switch key or volume key of edge, button switch are used to control whether data-signal can be transmitted by the first end of button switch
To the second end of button switch.Connector, just can be by fixed after being bonded to each other first circuit board 3 and second circuit board 4
First circuit board 3 and second circuit board 4 form electrical connection so that button switch or microswitch can just work.
Connector provided in this embodiment only needs insulator 1 and shrapnel 2 to can be achieved with first circuit board 3 and second circuit
The firm electrical connection of plate 4, without techniques such as welding, and it is simple in structure, stability is good.
Referring to Fig. 2, in one embodiment, insulator 1 includes multiple holding sections 101 (two are only shown in figure), insulation
Multiple receiving holes 1021 (8 are only shown in figure) are provided on the support portion 102 of body 1.
The quantity of receiving hole 1021 is more than or equal to the quantity of holding section 101 in one embodiment.Each receiving hole
1021 for one shrapnel 2 of receiving.
Wherein, multiple holding sections 101 can be, but not limited to be arranged in a row side by side, and can also misplace arrangement row as shown in Figure 2
Into multiple rows of etc..The arrangement of holding section 101 can carry out the arrangement of different location, self-locking type contributed to connect according to fixed needs
Connect the more stable fixation of device.
In one embodiment, there are multiple receiving holes 1021 on support portion 102, multiple receiving holes on support portion 102
1021 can set in a row, wherein it is possible to set at least row's receiving hole 1021.As Fig. 2 (illustrate only two rows of receiving holes
1021) it in the case of two rows of receiving holes 1021, can be staggered per adjacent two rows of receiving holes 1021.There is two rows of receivings
In the embodiment that hole 1021 is staggered, such design can make full use of the space of support portion 102, from also achieving into
This saving.
Referring to Fig. 2, shrapnel 2 and insulator 1 can be mutually independent main body, can be according to needs when connecting, to bullet
Piece 2 and insulator 1 carry out assembly or disassembly.Shrapnel 2 is assembled to the process of insulator 1, is referred to as to insert PIN in the industry.Bullet
Piece 2 and insulator 1 can also be that in-mould injection is integrally formed, by being molded preparation process, form a fixed connection.
The utility model, the design of 101 and first connecting hole 301 of holding section, it is possible to realize that the self-locking type of connector is consolidated
It is fixed, in the resiliency characteristics by shrapnel 2 so that the connection effect of connector is more preferable, wherein, being simple to manufacture for shrapnel 2 is made not
Similar shape is also relatively easy, and the cost of material is also low, so as to connector provided by the utility model can be with relatively fewer
Manufacture craft reach the linkage function of connector, and the cost of manufacture of entire connector and manufacturing process are simply also easy to
It realizes.Self-locking connector for it is fixed when structural requirement it is relatively low, without the constraint that specific structure could use, in this way
Connector can widely be utilized.
Embodiment two：
Referring to Fig. 4, the utility model embodiment two provides a kind of connector, for being electrically connected first circuit board 3 and
Two circuit boards 4.Connector includes insulator 1a and shrapnel 2a.The difference between this embodiment and the first embodiment lies in insulator 1a and bullet
Piece 2a, the embodiment of other same part and advantageous effect reference implementation example one, details are not described herein.
Specifically, insulator 1a includes the holding section 101a and support portion 102a being connect with holding section 101a one ends.Card
Holding section 101 in the specific embodiment of conjunction portion 101a and advantageous effect reference implementation example one, will not be described in great detail herein.
Specifically, at least one receiving hole 1021a is provided on support portion 102a, to accommodate shrapnel 2a.Wherein, receiving hole
1021a front ends have a block baffle 1022a so that for example same channel-shaped of receiving hole 1021a, and the size of receiving hole 1021a with
The size matching of shrapnel 2a, can make shrapnel 2a be connected together with receiving hole 1021a.
In the present embodiment, the length of baffle 1022a needs considered critical, it is impossible to block shrapnel 2a completely, it is impossible to influence
The elastic force effect of shrapnel 2a so baffle 1022a should in any situation, only there are one the parts that contact with shrapnel 2a, that is, is used for
The part snapped connection is unique contact portion.
Specifically, shrapnel 2a includes first connecting portion 201a and the second connecting portion extended to form by first connecting portion 201a
202a.Wherein, the support portion 102a of first connecting portion 201a and insulator 1a is snaps connection.Second connecting portion 202 and second
The first surface Elastic Contact connection of circuit board 4.
In the present embodiment, the first connecting portion of shrapnel 2a includes the first coupler body 2011a.Second connecting portion 202a includes the
Two coupler body 2021a and third coupler body 2022a.
Specifically, the head end of the first coupler body 2011a is snapped connection with support portion 102a, the head end of the second coupler body 2021a with
The end of first coupler body 2011a is connected, and the head end of third coupler body 2022a is connected with the end of the second coupler body 2021a.First coupler body
The head end of 2011a is bonded with the lower surface of support portion 102a, so that engaging is more stablized.The tail end of first coupler body 2011a with
The head end of first coupler body 2011a is parallel, and the head end of the second coupler body 2021a is the tail end of the first coupler body 2011a with about 45 degree of folder
Angle is downwardly extending, the head of the tail end of the second coupler body 2021a and the head end of third coupler body 2022a with the second coupler body 2021a
Hold row level with both hands.The tail end of third coupler body 2022a and the angle that the head end of third coupler body is in about 90 degree, the tail of third coupler body 2022a
End and the head end of the second coupler body 2021a connect, so that the stability of shrapnel 2a is more preferable.
The utility model, the design of holding section 101a and the first connecting hole 301, it is possible to realize that the self-locking type of connector is consolidated
It is fixed, in the resiliency characteristics by shrapnel 2a so that the connection effect of connector is more preferable, wherein, shrapnel 2a's is simple to manufacture, and is made
Different shape is also relatively easy, and the cost of material is also low, due also to the size of the first pad 402 on second circuit board can be with
Less than the size of the second pad 302 on first circuit board 3, the material of second circuit board 4 can be saved in this way, moreover it is possible to increase by
Cloth member space on one circuit board 3, is further reduced cost during use.Connector provided by the utility model can be with phase
Reach the linkage function of connector to less manufacture craft, and the cost of manufacture of entire connector and manufacturing process it is simple
It is also easy to realize.Structural requirement when Self-locking connector is for fixing is relatively low, the pact that could be used without specific structure
Beam, such connector can be utilized widely.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Any modification, equivalent replacement or improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (9)
1. a kind of connector, which is characterized in that the connector is used to be electrically connected first circuit board and second circuit board；
Wherein, the first circuit board is provided with the first connecting hole, and the second circuit board is provided with big with the first connecting hole
Corresponding second connecting hole of small, shape and position；
The connector includes insulator and at least one shrapnel, wherein,
The insulator includes at least one holding section and the support portion being connect with the holding section, and each engaging
Portion both passes through first connecting hole and the first circuit board is bonded simultaneously by second connecting hole with the second circuit board
It is snapped connection with the first circuit board；
The shrapnel is located on the first surface of the second circuit board, and the shrapnel includes first connecting portion and by described first
The second connecting portion that connecting portion extends to form, the first connecting portion and the support portion of the insulator snap connection, institute
The first surface that second connecting portion is stated with the second circuit board contacts.
2. connector as described in claim 1, which is characterized in that the first circuit board be mainboard, the second circuit board
For flexible PCB.
3. connector as described in claim 1, which is characterized in that the second circuit board has opposite with the first surface
Second surface, the first circuit board have third surface and the 4th surface；
There is the first at least one pad on the second surface, have on the third surface on the second surface
The position of first pad and corresponding second pad of quantity.
4. connector as claimed in claim 3, which is characterized in that first pad size is less than the ruler of second pad
It is very little.
5. connector as described in claim 1, which is characterized in that the holding section include cylinder and from the cylinder bottom end to
The barb extended to form outside, the angle of release of cylinder top crotch is C-shaped angle of release.
6. connector as claimed in claim 3, which is characterized in that the receiving hole of an at least row is provided on the support portion,
Each receiving hole is for one shrapnel of receiving.
7. connector as claimed in claim 6, which is characterized in that the quantity of the receiving hole is more than the number of the holding section
Amount.
8. connector as claimed in claim 7, which is characterized in that be staggered per the adjacent two rows receiving hole.
9. connector as claimed in claim 8, which is characterized in that the first connecting portion of the shrapnel includes the first coupler body, the
Two coupler bodies, the second connecting portion include third coupler body and the 4th coupler body；
First coupler body is snapped connection with the support portion, the end of the head end of second coupler body and first coupler body
It is connected, the head end of the third coupler body is connected with the end of second coupler body, head end and the third of the 4th coupler body
The end of coupler body is connected；
Wherein, the third coupler body corresponds to the position contact connectio of the projection of first pad on the first surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721272450.1U CN207588103U (en) | 2017-09-29 | 2017-09-29 | A kind of connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721272450.1U CN207588103U (en) | 2017-09-29 | 2017-09-29 | A kind of connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207588103U true CN207588103U (en) | 2018-07-06 |
Family
ID=62728719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721272450.1U Active CN207588103U (en) | 2017-09-29 | 2017-09-29 | A kind of connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207588103U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110231066A (en) * | 2019-05-31 | 2019-09-13 | 杭州云谷科技股份有限公司 | A kind of electrode assembly of electromagnetic flow sensor |
-
2017
- 2017-09-29 CN CN201721272450.1U patent/CN207588103U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110231066A (en) * | 2019-05-31 | 2019-09-13 | 杭州云谷科技股份有限公司 | A kind of electrode assembly of electromagnetic flow sensor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11056809B2 (en) | Vertical-type direct PCB connector | |
| CA2680734A1 (en) | Edge-to-edge connector system for electronic devices | |
| CN101931145B (en) | Electrical connector | |
| CN205081323U (en) | Plate -to -plate connector | |
| CN105576407A (en) | Buckling fuzz button electric connector | |
| CN109524822A (en) | Conductive terminal and connector | |
| CN207853122U (en) | A kind of PCB hard and soft connector for substrate interconnected between plate | |
| CN102324636A (en) | Connector assembly with unsteady cooperation array | |
| CN207588103U (en) | A kind of connector | |
| CN207818972U (en) | A kind of connector | |
| US7027293B2 (en) | Breaker distribution module | |
| CN100530855C (en) | Battery contact flat spring | |
| CN203119194U (en) | Magnetic control quick connector assembly | |
| CN201117997Y (en) | Audio frequency socket connector | |
| CN204516937U (en) | Electric connector | |
| CN207572680U (en) | A kind of type-c adapters and electric connector | |
| CN213366841U (en) | Circuit board connection structure and electronic equipment | |
| CN211238578U (en) | Electric connection assembly and electric connector and electronic assembly thereof | |
| CN105305116B (en) | Electric connector and its manufacturing method, electric coupler component | |
| CN209045783U (en) | A kind of radio frequency connecting structure | |
| CN208256965U (en) | Connector | |
| CN208674418U (en) | Connector | |
| CN105449409A (en) | Connector pedestal, connector assembly and network equipment using connector assembly | |
| CN217485766U (en) | Conductive piece and power adapter | |
| CN204516936U (en) | Electric connector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |