CN202601460U - Multiple key and keyboard - Google Patents
Multiple key and keyboard Download PDFInfo
- Publication number
- CN202601460U CN202601460U CN 201220154355 CN201220154355U CN202601460U CN 202601460 U CN202601460 U CN 202601460U CN 201220154355 CN201220154355 CN 201220154355 CN 201220154355 U CN201220154355 U CN 201220154355U CN 202601460 U CN202601460 U CN 202601460U
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- keycap
- connecting portion
- base
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Abstract
The utility model relates to a multiple key and a keyboard. The multiple key comprises a base, a multiple key cap, a first elevating device, and a second elevating device. The multiple key cap is equipped with a left end portion and a right end portion; the first elevating device is respectively and movably connected with the base and the multiple key cap, so that the multiple key cap can move upwards and downwards relative to the base, wherein the first elevating device comprises a first support and a second support, the first support and the second support correspond to the left end portion and the right end portion respectively, each of the first support and the second support is a Z-shaped rod member, and the first support and the second support are inversely symmetrical about the multiple key cap; and the second elevating device is movably and respectively connected with the base and the multiple key cap, wherein the second elevating device comprises a third support and a fourth support, the third support and the fourth support are same in structures and functions, and the third support and the fourth support are arranged in an inverse-symmetric relation. The key and the keyboard of the utility model have the advantage of stability of pressing motions, and also provide a user with excellent pressing feel.
Description
Technical field
The utility model relates to a kind of multiple button and keyboard.
Background technology
In traditional keyboard structure, modal is to adopt scissor multiple press-key structure, in the process of pushing; Its multiple keycap can move up and down abreast, meets user's the custom of pushing, but the complex structure of scissor multiple press-key structure; All counter structure need be set on multiple keycap and the base plate; Make that the keyboard thickness with scissor multiple press-key structure is difficult to reduce, especially when considering that structure is made dynamic stability, the size of scissor multiple press-key structure also is difficult to dwindle.
In the keyboard that adopts cantilever type multiple press-key structure on the market in addition, cantilever type multiple press-key structure is many to come start with independent plate formation cantilever design at present.The multiple keycap below of this structure is not provided with multiple button lowering or hoisting gear, except helping reducing the keyboard thickness, also helps the setting of multiple key switch and trigger mechanism, increases design flexibility and mechanism stable property.But cantilever type multiple press-key structure is in the start process, and its multiple keycap can't the maintenance level move up and down, and pushes the power inequality; Especially more near the cantilever stiff end; What need pushes power more greatly, but it is littler to push stroke, and the multiple keycap tilts more serious; Push by force causing the cantilever design permanent deformation, this all makes the user be difficult for adapting to.If limit user's area pressed through keyboard case, when obtaining to push the preferable operating condition of power levelness average, when moving, then the cantilever design area occupied will increase, and the keyboard overall dimensions also will increase.
The utility model content
In view of the problem in the prior art; One of purpose of the utility model is to provide a kind of multiple button; Utilize multiple keycap two side stands to keep multiple keycap levelness simultaneously and provide the multiple keycap the stable mechanism that moves up and down; Most of space, multiple keycap below can keep to the switch triggering structure, has not only increased the design flexibility of multiple button, also helps the miniaturization of whole multiple press-key structure.
For achieving the above object; The utility model proposes a kind of multiple button; Multiple keycap, first lowering or hoisting gear and second lowering or hoisting gear that this multiple button comprises base, can move up and down; The multiple keycap that can move up and down is arranged at the top of this base, and this multiple keycap has left part and right part, and the axial length of this multiple keycap is greater than lateral length; First lowering or hoisting gear is connected respectively with this base and this multiple keycap movably; This first lowering or hoisting gear comprises first support and second support; This first support is to should the left part; This second support is to should the right part, and this first support and second support are Z-shaped rod member, and this first support and this second support are antisymmetric relation with respect to this multiple keycap; Second lowering or hoisting gear is connected respectively with this base and this multiple keycap movably; This second lowering or hoisting gear comprises the 3rd support and the 4th support; The 3rd support is to should the left part, and the 4th support is to should the right part, and the 3rd support and the 4th support are antisymmetric relation with respect to this multiple keycap; The 3rd support has the 3rd long shaft rod; The 3rd long shaft rod axially stretches along this multiple keycap, and the 4th support has the 4th long shaft rod, and the 4th long shaft rod axially stretches along this multiple keycap.
As optional technical scheme; This first support comprises first connecting rod, first connecting portion and second connecting portion, and this first connecting portion and this second connecting portion are vertically connected at the two ends of this first connecting rod respectively, and wherein this multiple keycap has first conduit; This first connecting portion is mounted slidably in this first conduit; This second connecting portion becomes to be connected rotationally with this base, and when this multiple keycap moved up and down, this first connecting rod rotated an angle around first rotating shaft; The 3rd support comprises second connecting rod, the 3rd long shaft rod, the 3rd connecting portion and the 4th connecting portion; When this multiple keycap moves up and down; This second connecting rod rotates an angle around second rotating shaft; Wherein this this multiple keycap has second conduit, and the 4th connecting portion is mounted slidably in this second conduit, and this first rotating shaft and this second rotating shaft are non-parallel.
As optional technical scheme, this multiple keycap comprises structural slab and cap, and this cap and this structural slab link and form a space, and this first connecting portion is contained in this space.
As optional technical scheme, the length that this first connecting portion is contained in the part in this multiple keycap is greater than 1/2nd of the length of parallel first rotating shaft of this multiple keycap.
As optional technical scheme, this first connecting portion can be with respect to this multiple keycap rotation.
As optional technical scheme, this base has the 3rd conduit, and this second connecting portion is mounted slidably in the 3rd conduit.
As optional technical scheme, this base comprises base plate, thin film circuit and axle bed, and this thin film circuit and this axle bed are arranged on this base plate, and this thin film circuit is with the binding of this axle bed and form a space, and this second connecting portion rotatably is folded in this space.
As optional technical scheme, this multiple button also comprises spring, be arranged between this base and this multiple keycap, and when this multiple keycap is pressed and when this base moves, this this spring of multiple keycap elastic compression.
As optional technical scheme; This multiple button also comprises Elastic Circular acrosome and switch; This switch is arranged at the below of this multiple keycap; This Elastic Circular acrosome is arranged between this multiple keycap and this switch, when this multiple keycap is pressed and when this base moves, and this this Elastic Circular acrosome of multiple keycap elastic compression.
The lowering or hoisting gear of the multiple button of the utility model is simple, even this multiple button overall structure dimension shrinks still can provide this multiple keycap stably parallel up and down mobile.And when the support of this lowering or hoisting gear was arranged at this multiple keycap side, the space of this multiple keycap below can keep to the switch triggering structure, increases the design flexibility of multiple button, also helps the structure miniaturization of whole multiple button.
In addition; The utility model also proposes a kind of keyboard; This comprises a plurality of multiple buttons, multiple keycap, first lowering or hoisting gear and second lowering or hoisting gear that one of them multiple button at least of these a plurality of multiple buttons comprises base, can move up and down, and the multiple keycap that can move up and down is arranged at the top of this base; This multiple keycap has left part and right part, and the axial length of this multiple keycap is greater than lateral length; First lowering or hoisting gear is connected respectively with this base and this multiple keycap movably; This first lowering or hoisting gear comprises first support and second support; This first support correspondence is connected in this left part; This second support correspondence is connected in this right part, and this first support and second support are Z-shaped rod member, and this first support and this second support are antisymmetric relation with respect to this multiple keycap; Second lowering or hoisting gear is connected respectively with this base and this multiple keycap movably; This second lowering or hoisting gear comprises the 3rd support and the 4th support; The 3rd support is to should the left part, and the 4th support is to should the right part, and the 3rd support and the 4th support are antisymmetric relation with respect to this multiple keycap; The 3rd support has the 3rd long shaft rod; The 3rd long shaft rod axially stretches along this multiple keycap, and the 4th support has the 4th long shaft rod, and the 4th long shaft rod axially stretches along this multiple keycap.
As optional technical scheme; This first support comprises first connecting rod, first connecting portion and second connecting portion, and this first connecting portion and this second connecting portion are vertically connected at the two ends of this first connecting rod respectively, and wherein this multiple keycap has first conduit; This first connecting portion is mounted slidably in this first conduit; This second connecting portion becomes to be connected rotationally with this base, and when this multiple keycap moved up and down, this first connecting rod rotated an angle around first rotating shaft; The 3rd support comprises second connecting rod, the 3rd long shaft rod, the 3rd connecting portion and the 4th connecting portion; When this multiple keycap moves up and down; This second connecting rod rotates an angle around second rotating shaft; Wherein this this multiple keycap has second conduit, and the 4th connecting portion is mounted slidably in this second conduit, and this first rotating shaft and this second rotating shaft are non-parallel.
As optional technical scheme, this multiple keycap comprises structural slab and cap, and this cap and this structural slab link and form a space, and this first connecting portion is contained in this space.
As optional technical scheme, the length that this first connecting portion is contained in the part in this multiple keycap is greater than 1/2nd of the length of parallel first rotating shaft of this multiple keycap.
As optional technical scheme, this first connecting portion can be with respect to this multiple keycap rotation.
As optional technical scheme, this base has the 3rd conduit, and this second connecting portion is mounted slidably in the 3rd conduit.
As optional technical scheme, this base comprises base plate, thin film circuit and axle bed, and this thin film circuit and this axle bed are arranged on this base plate, and this thin film circuit is with the binding of this axle bed and form a space, and this second connecting portion rotatably is folded in this space.
As optional technical scheme, this multiple button also comprises spring, be arranged between this base and this multiple keycap, and when this multiple keycap is pressed and when this base moves, this this spring of multiple keycap elastic compression.
As optional technical scheme; This multiple button also comprises Elastic Circular acrosome and switch; This switch is arranged at the below of this multiple keycap; This Elastic Circular acrosome is arranged between this multiple keycap and this switch, when this multiple keycap is pressed and when this base moves, and this this Elastic Circular acrosome of multiple keycap elastic compression.
The keyboard of the utility model comprises disclosed multiple button in a plurality of the utility model; Therefore this keyboard has the advantage of disclosed multiple button in the utility model; Each multiple keycap all can move by this corresponding lowering or hoisting gear is stably parallel up and down; And when the support of this lowering or hoisting gear is arranged at this corresponding multiple keycap side; The space of this multiple keycap below can keep to the switch triggering structure, increases the design flexibility of this multiple button, also helps the structure miniaturization of whole keyboard.
Below in conjunction with accompanying drawing and specific embodiment the utility model is described in detail, but not as the qualification to the utility model.
Description of drawings
Fig. 1 is the vertical view of multiple button of a preferred embodiment of the utility model;
Fig. 2 is the profile of Fig. 1 medium multiple button A-A along the line;
The sketch map that Fig. 3 moves up and down for another embodiment multiple keycap of the utility model;
The sketch map that Fig. 4 moves up and down for another embodiment multiple keycap of the utility model;
Fig. 5 is the stereogram of the utility model one embodiment.
Embodiment
See also Fig. 1, Fig. 5 and Fig. 2, multiple button 1 comprises base 12, multiple keycap 16 and first lowering or hoisting gear (containing 182 and 184) and second lowering or hoisting gear (containing 811 and 813).Multiple keycap 16 corresponding windows 142 are arranged at the top of base 12.First lowering or hoisting gear (containing 182 and 184) is movably connected with base 12 and multiple keycap 16 respectively, makes multiple keycap 16 to move up and down with respect to base 12.The axial length of this multiple keycap 16 is greater than lateral length (axially being the direction of arrow a indication, laterally is the direction of arrow b indication), and multiple keycap 16 has left part and right part.
First lowering or hoisting gear (containing 182 and 184) comprises first support 182 and second support 184; 182 pairs on this first support should the left part; 184 pairs on second support should the right part; This first support 182 and second support 184 are respectively a similar Z-shaped rod member, and first support 182 and second support 184 present antisymmetric relation with respect to multiple keycap 16 (central axis).So-called " antisymmetric relation " is meant the relation of the symmetry that presents twice, and for example primary symmetry is to be symmetry axis with the X axle, and secondary symmetry is to be symmetry axis with the Y axle.Therefore, if the prototype shape is at four-quadrant, then pass through " antisymmetric relation " after, the type shape just is presented in second quadrant.If the prototype shape is at third quadrant, then pass through " antisymmetric relation " after, the type shape just is presented in first quartile.
Likewise, the shape of second support 184 is identical with first support 182, and carries out identical functions, but its position and start become antisymmetric relation with the position and the start of first support 182, and is as shown in Figure 1.
Further, multiple keycap 16 comprises structural slab 164 and cap 166, the first connecting portion 182b that link to each other are contained in the space between structural slab 164 and the cap 166.The first connecting portion 182b can rotate along with first connecting rod 182a rotation; At this moment, in the process that multiple keycap 16 moves up and down, only produce torsion slightly between the first connecting portion 182b and first connecting rod 182a, help the first connecting portion 182b that multiple keycap 16 is kept identical plane restriction effect.
In addition, base 12 comprises base plate 122, is arranged at film circuit board 124 and axle bed 126 on the base plate 122, and switch 22 is formed among the film circuit board 124, and the second connecting portion 182c rotatably is contained in the space between axle bed 126 and the film circuit board 124.
See also Fig. 3, its sketch map for moving up and down according to another embodiment multiple keycap 16, and it only illustrates the profile of multiple keycap 16, base 12 and first support 182 for simplifying drawing among figure.In present embodiment, multiple keycap 16 has the first conduit 16a, and the first connecting portion 182b is arranged among the first conduit 16a and can slides with respect to multiple keycap 16.In the parallel vertically process of pushing of multiple keycap 16, the first connecting portion 182b slidably in the first conduit 16a, can suppress or slow down the degree of first connecting rod 182a distortion.
In like manner, as shown in Figure 4 in another embodiment, base 12 has the 3rd conduit 12a, and the second connecting portion 182c is arranged among the 3rd conduit 12a and can slides with respect to base 12.In the process that multiple keycap 16 is pushed vertically, the second connecting portion 182c slidably in the 3rd conduit 12a, also can suppress or slow down the degree of first connecting rod 182a distortion.
In Fig. 3, the effect of pushing stroke that the slip that limits the first connecting portion 182b by the first conduit 16a also has control multiple keycap 16 to move up and down; Likewise, among Fig. 4, the effect of pushing stroke that the slip that limits the second connecting portion 182c by the 3rd conduit 12a also has control multiple keycap 16 to move up and down.In principle, if first connecting rod 182a do not store the strain energy, then the elasticity that upwards resets of multiple keycap 16 needs provide with other mechanism.For example in Fig. 3, this multiple button comprises Elastic Circular acrosome 20, this Elastic Circular acrosome 20 between this multiple keycap 16 and this switch 22, when this multiple keycap 16 is pressed and when this base 12 moves, this this Elastic Circular acrosome 20 of multiple keycap compression.At this moment, the elastic force that upwards resets of multiple keycap 16 can be provided by this compressed Elastic Circular acrosome 20.
As shown in Figure 4; First lowering or hoisting gear (containing 182 and 184) also can comprise spring 186; Be arranged between base 12 and the multiple keycap 16, when multiple keycap 16 is pressed with when base 12 moves, multiple keycap 16 elastic compression springs 186; At this moment, the elastic force that upwards resets of aforementioned multiple keycap 16 can be provided by this compressed spring 186.Again or multiple keycap 16 comprise first magnet 170 (being illustrated among Fig. 4) with hachure; Base 12 correspondences comprise second magnet 132 (being illustrated among Fig. 4 with hachure); First magnet 170 and second magnet 132 are oppositely arranged with same pole; Make to be pressed with when base 12 moves when multiple keycap 16 that first magnet 170 and 132 of second magnet can produce the magnetic force that repels each other, with the elastic force that upwards resets as aforementioned multiple keycap 16.
Please get back among the embodiment that consults Fig. 1, Fig. 5 and Fig. 2, the first rotating shaft X1 is vertical with the second rotating shaft X2, but the utility model is not as limit; In principle, the first rotating shaft X1 and the non-parallel setting of the second rotating shaft X2 promptly produce the effect of two-dimensional constrains to multiple keycap 16.In addition; For promoting the first connecting portion 182b and the 3rd connecting portion 811c to multiple keycap 16 direct binding effects; In this embodiment; The length L 2 that the first connecting portion 182b is contained in the part in the multiple keycap 16 is greater than 1/2nd of the length L 1 of the multiple keycap 16 parallel first rotating shaft X1, but not as limit.
Second lowering or hoisting gear of multiple button 5 (containing 811 and 813) comprises the 3rd support 811 and the 4th support 813, the three supports 811 and the 4th support 813 structures, function is identical, but becomes the antisymmetric relation setting.Just; Second lowering or hoisting gear (containing 811 and 813) links this base 12 and this multiple keycap 16 respectively movably; This second lowering or hoisting gear (containing 811 and 813) comprises 811 pairs on the 3rd support 811 and the 4th support 813, the three supports should the left part, and 813 pairs on the 4th support should the right part; The 3rd support 811 and the 4th support 813 present antisymmetric relation with respect to multiple keycap 16 (central axis); The 3rd support 811 has the 3rd long shaft rod 811b, and the 3rd long shaft rod 811b axially stretches along multiple keycap 16, and the 4th support 813 also has the 4th long shaft rod axially stretching along multiple keycap 16.
The 3rd support 811 comprises second connecting rod 811a, the 3rd long shaft rod 811b, the 3rd connecting portion 811c and the 4th connecting portion 811d; When multiple keycap 16 moves up and down; This second connecting rod 811a rotates an angle thereupon; Wherein this multiple keycap 16 has second conduit (not drawing), and the 4th connecting portion 811d is arranged in this second conduit (not drawing) and can slides with respect to this multiple keycap 16.
Wherein, When the multiple button is pressed; The second connecting rod 811a of the 3rd support 811 is the axle center rotation with the second rotating shaft X2; The first rotating shaft X2 is vertical with the second rotating shaft X1, and second connecting rod 811a articulates via the 3rd connecting portion 811c of the 3rd support 811 and the 3rd conduit 12a of base 12, and the 4th connecting portion 811d of the 3rd support 811 is parallel to the second rotating shaft X2 and is contained in second conduit (not drawing) of multiple keycap 16.The structure of the 4th support 813, connection relationship are identical with the 3rd support 811, but become antisymmetric relation, do not give unnecessary details separately.Also because of so, also have the 3rd rotating shaft X3 and the 4th rotating shaft X4 in the present embodiment, the 3rd rotating shaft X3 is parallel to the first rotating shaft X1, and the 4th rotating shaft X4 is parallel to the second rotating shaft X2.When the multiple button was pressed, the connecting rod of second support 184 was the axle center rotation with the 3rd rotating shaft X3, and the connecting rod of the 4th support 813 is the axle center rotation with the 4th rotating shaft X4.Support 182 and 184,811 and 813 antisymmetry settings in twos help structure, start to stablize, and can form the constraint plane 162 (being shown among Fig. 2 with chain line) of a two dimension to keycap 16.And each connecting portion 182b, 182c, 811c and 811d are arranged at the periphery of multiple keycap 16, make multiple keycap 16 obtain complete support and constraint.In addition, in present embodiment, support 182,184,811 and 813 is respectively similar Z-shaped rod member, and for example metal wire rod cuts, bends shaping.
Like above stated specification; No direct connection relationship between each support of the lowering or hoisting gear of the multiple button of the utility model, even so designs simplification is multiple button overall structure dimension shrinks; Still can provide the multiple keycap stable moving up and down, help whole multiple button or keyboard structure miniaturization.In addition, when the support of lowering or hoisting gear is close to multiple keycap side when being provided with, side space can keep to the switch triggering structure under the multiple keycap, increases multiple button design flexibility, also helps whole multiple button or keyboard structure miniaturization.Therefore, multiple button of the utility model and keyboard have concurrently push make dynamic stability and provide the user good push feel, before the solution in the first technology scissor multiple press-key structure size be difficult to dwindle, or dwindle back start problem of unstable.
Certainly; The utility model also can have other various embodiments; Under the situation that does not deviate from the utility model spirit and essence thereof; Those of ordinary skill in the art can make various corresponding changes and distortion according to the utility model, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the utility model.
Claims (10)
1. multiple button is characterized in that comprising:
Base;
The multiple keycap that can move up and down is arranged at the top of this base, and this multiple keycap has left part and right part, and the axial length of this multiple keycap is greater than lateral length; And
First lowering or hoisting gear; It is connected respectively with this base and this multiple keycap movably; This first lowering or hoisting gear comprises first support and second support, and this first support is to should the left part, and this second support is to should the right part; This first support and second support are Z-shaped rod member, and this first support and this second support are antisymmetric relation with respect to this multiple keycap;
Second lowering or hoisting gear; It is connected respectively with this base and this multiple keycap movably, and this second lowering or hoisting gear comprises the 3rd support and the 4th support, and the 3rd support is to should the left part; The 4th support is to should the right part; The 3rd support and the 4th support are antisymmetric relation with respect to this multiple keycap, and the 3rd support has the 3rd long shaft rod, and the 3rd long shaft rod axially stretches along this multiple keycap; The 4th support has the 4th long shaft rod, and the 4th long shaft rod axially stretches along this multiple keycap.
2. multiple button according to claim 1; It is characterized in that: this first support comprises first connecting rod, first connecting portion and second connecting portion; This first connecting portion and this second connecting portion are vertically connected at the two ends of this first connecting rod respectively; Wherein this multiple keycap has first conduit, and this first connecting portion is mounted slidably in this first conduit, and this second connecting portion becomes to be connected rotationally with this base; When this multiple keycap moved up and down, this first connecting rod rotated an angle around first rotating shaft; The 3rd support comprises second connecting rod, the 3rd long shaft rod, the 3rd connecting portion and the 4th connecting portion; When this multiple keycap moves up and down; This second connecting rod rotates an angle around second rotating shaft; Wherein this this multiple keycap has second conduit, and the 4th connecting portion is mounted slidably in this second conduit, and this first rotating shaft and this second rotating shaft are non-parallel.
3. multiple button according to claim 2 is characterized in that: this multiple keycap comprises structural slab and cap, and this cap and this structural slab link and form a space, and this first connecting portion is contained in this space.
4. multiple button according to claim 3 is characterized in that: the length that this first connecting portion is contained in the part in this multiple keycap be parallel to greater than this multiple keycap first rotating shaft length 1/2nd.
5. multiple button according to claim 2 is characterized in that: this first connecting portion can be with respect to this multiple keycap rotation.
6. multiple button according to claim 2 is characterized in that: this base has the 3rd conduit, and this second connecting portion is mounted slidably in the 3rd conduit.
7. multiple button according to claim 2; It is characterized in that: this base comprises base plate, thin film circuit and axle bed; This thin film circuit and this axle bed are arranged on this base plate, and this thin film circuit is with the binding of this axle bed and form a space, and this second connecting portion rotatably is folded in this space.
8. multiple button according to claim 1 is characterized in that: this multiple button also comprises spring, be arranged between this base and this multiple keycap, and when this multiple keycap is pressed and when this base moves, this this spring of multiple keycap elastic compression.
9. multiple button according to claim 1; It is characterized in that: this multiple button also comprises Elastic Circular acrosome and switch; This switch is arranged at the below of this multiple keycap; This Elastic Circular acrosome is arranged between this multiple keycap and this switch, when this multiple keycap is pressed and when this base moves, and this this Elastic Circular acrosome of multiple keycap elastic compression.
10. a keyboard comprises a plurality of multiple buttons, and one of them multiple button at least of these a plurality of multiple buttons is the described multiple button of any claim in the claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220154355 CN202601460U (en) | 2012-04-13 | 2012-04-13 | Multiple key and keyboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220154355 CN202601460U (en) | 2012-04-13 | 2012-04-13 | Multiple key and keyboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202601460U true CN202601460U (en) | 2012-12-12 |
Family
ID=47318990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220154355 Expired - Fee Related CN202601460U (en) | 2012-04-13 | 2012-04-13 | Multiple key and keyboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202601460U (en) |
-
2012
- 2012-04-13 CN CN 201220154355 patent/CN202601460U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121212 Termination date: 20200413 |