CN101770883B - Press key structure and key board comprising same - Google Patents
Press key structure and key board comprising same Download PDFInfo
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- CN101770883B CN101770883B CN2008101902657A CN200810190265A CN101770883B CN 101770883 B CN101770883 B CN 101770883B CN 2008101902657 A CN2008101902657 A CN 2008101902657A CN 200810190265 A CN200810190265 A CN 200810190265A CN 101770883 B CN101770883 B CN 101770883B
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Abstract
The invention provides a press key structure and a key board comprising the same. The press key structure comprises a key cap, a base and a shear-shaped strutting piece arranged between the key cap and the base, wherein the shear-shaped strutting piece comprises an inner frame with a projecting part and an outer frame with a V slot, and the shift of the key cap in the vertical direction can be limited by controlling the clamping of the projecting part and the V slot. The design of the shear-shaped strutting piece can keep the stable movement of the key cap and maintain the pressing touch, and in the assembling process of the shear-shaped strutting piece, the inner frame can be assembled to the outer frame without unfurling the outer frame.
Description
Technical field
The present invention relates to a kind of press-key structure, particularly a kind of press-key structure that is applied on the keyboard.
Background technology
Keyboard is a common input unit, includes a plurality of press-key structures as shown in Figure 11, produces in order to be pressed the back trigger switch in the electronic signal input computer.
Three-dimensional exploded view for an existing press-key structure 1 shown in Figure 2.Press-key structure 1 comprises a keycap 11, a scissors-type strutting piece, an elastic component 14, a thin film switch 15 and a base plate 16.Wherein, the scissors-type strutting piece comprises an inner frame 12 and an outside framework 13, in order to keycap 11 is connected on the base plate 16.Thin film switch 15 is arranged on this base plate, and elastic component 14 then is arranged between keycap 11 and the thin film switch 15, makes it produce electronic signal in order to when keycap 11 is pressed, to trigger thin film switch 15.It should be noted that; Why keycap 11 can return to original height after being pressed; Except through the help of elastic component 14, also need could control accurately inner frame 12 and cooperating of outside framework 13 stroke that keycap 11 moves in vertical direction on the other hand on the one hand.Therefore, the design quality of inner frame 12 and outside framework 13 will concern the quality and the useful life of whole press-key structure 1.
Continuation is with reference to Fig. 2; In existing press-key structure 1; The arm of inner frame 12 is pre-formed corresponding axostylus axostyle 121 and axis hole 131 respectively with the arm of outside framework 13, could axostylus axostyle 121 is hubbed in the axis hole 131 and let inner frame 12 on outside framework 13, rotate with this.But, before inner frame 12 is assembled to outside framework 13, after must strutting the arm of outside framework 13 earlier and enlarging the distance between its axis hole 131, could lets axostylus axostyle 121 insert smoothly in the axis holes 131 and accomplish the assembling of inner frame 12 and outside framework 13.And this struts the efficient that outside framework 13 actions have not only increased the time of assembling press-key structure 1 and had influence on the production keyboard, and on the other hand, the action that struts outside framework 13 through external force also often causes the damage of outside framework 13 to increase extra production cost.
Continuation is with reference to Fig. 2, and the inner frame 12 and the outside framework 13 of existing press-key structure 1 is to utilize axostylus axostyle 121 to be articulated with the structure of axis hole 131.And could let keycap 11 held stationary in the process that is pressed and resets be difficult for rocking owing to engaging closely between axostylus axostyle 121 and the axis hole 131, but this closely axostylus axostyle 121 and axis hole 131 designs of engaging often cause inner frame 12 and outside framework 13 in rotating process each other, to produce excessive frictional force and sense of touch when influencing the user and pushing keycap 11.And along with the be pressed increase of number of times of keycap 11, promptly can can't closely engage because of the generation of abrasion between the axostylus axostyle 121 of inner frame 12 and the axis hole 131 of outside framework 13, the problem that finally causes keycap 11 steadily and easily not rock produces.
Therefore, need a kind of scissors-type strutting piece design that can keep keycap steadily to move and keep pressing touch badly, and at this scissors-type strutting piece in assembling process, need not to strut outside framework and just can inner frame be assembled on the outside framework.
Summary of the invention
A purpose of the present invention is to provide a kind of scissors-type strutting piece that keeps keycap steadily to move and keep pressing touch.
Another object of the present invention is to provide a kind of scissors-type supporting piece structure of easy assembling.
In a preferred embodiment, the present invention provides a kind of press-key structure, comprising:
One keycap;
One base plate; And
One scissors-type strutting piece, in order to keycap is connected on the base plate, the scissors-type strutting piece comprises:
One inner frame, the arm of inner frame comprise the groove that contracts in one first protuberance and, and first protuberance comprises one first inclined-plane and one second inclined-plane; And
One outside framework, the arm of outside framework comprise V-type groove and one second protuberance that contracts in, and the V-type groove comprises one the 3rd inclined-plane and one the 4th inclined-plane;
When keycap was positioned at first height, first inclined-plane engaged the 3rd inclined-plane, and when keycap was positioned at second height, second inclined-plane engaged the 4th inclined-plane.
In the press-key structure that a preferred embodiment is provided, second protuberance is a triangular prism, has five inclined-plane of an extension from the 3rd inclined-plane; Groove can hold triangular prism; Have one and extend from the 6th inclined-plane on first inclined-plane, when keycap was positioned at first height, the 5th inclined-plane engaged the 6th inclined-plane.
In the press-key structure that a preferred embodiment is provided, triangular prism has one first bottom surface, and groove has one second bottom surface, and when keycap was positioned at second height, first bottom surface engaged second bottom surface.
Press-key structure in a preferred embodiment is provided more comprises:
One thin film switch is arranged on the base plate; And
One elastic component is arranged between keycap and the thin film switch, when first highly moves to second height, triggers thin film switch in order to be pressed when keycap.
In the press-key structure that a preferred embodiment is provided; The keycap bottom has one first articulated section and a guide groove; Base plate has one second articulated section and a trip; The arm two ends of inner frame are one first drive-connecting shaft and one first sliding axle; Outside framework arm two ends are one second drive-connecting shaft and one second sliding axle, the scissors-type strutting piece through trip and first sliding axle engage and second drive-connecting shaft and second articulated section combine to be combined on the base plate, keycap through guide groove and second sliding axle engage and first articulated section and first drive-connecting shaft combine be combined on the scissors-type strutting piece.
In another preferred embodiment, the present invention provides a kind of keyboard, comprising:
A plurality of keycaps;
One base plate;
A plurality of scissors-type strutting pieces, in order to a plurality of keycaps are connected on the base plate, the scissors-type strutting piece comprises:
One inner frame, the arm of inner frame comprise the groove that contracts in one first protuberance and, and first protuberance comprises one first inclined-plane and one second inclined-plane; And
One outside framework, the arm of outside framework comprise V-type groove and one second protuberance that contracts in, and the V-type groove comprises one the 3rd inclined-plane and one the 4th inclined-plane;
When keycap was positioned at first height, first inclined-plane engaged the 3rd inclined-plane, and when keycap was positioned at second height, second inclined-plane was sticked in the 4th inclined-plane.
A plurality of thin film switches are arranged on the base plate; And
A plurality of elastic components are arranged between each keycap and each thin film switch, when first highly moves to second height, trigger thin film switch in order to be pressed when keycap.
In the keyboard that in another preferred embodiment, is provided, second protuberance is a triangular prism, has five inclined-plane of an extension from the 3rd inclined-plane; Groove can hold triangular prism; Have one and extend from the 6th inclined-plane on the 3rd inclined-plane, when keycap was positioned at first height, the 5th inclined-plane was sticked in the 6th inclined-plane.
In the keyboard that in another preferred embodiment, is provided, triangular prism has one first bottom surface, and slot has one second bottom surface, and when keycap was positioned at second height, first bottom surface was sticked in second bottom surface.
In the keyboard that in another preferred embodiment, is provided; The keycap bottom has one first articulated section and a guide groove; Base plate has one second articulated section and a trip; Inner frame has one first drive-connecting shaft and one first sliding axle; Outside framework has one second drive-connecting shaft and one second sliding axle, the scissors-type strutting piece through trip and first sliding axle engage and second drive-connecting shaft and second articulated section combine to be combined on the base plate, keycap through guide groove and second sliding axle engage and first articulated section and first drive-connecting shaft combine be combined on the scissors-type strutting piece.
For making technology contents provided by the present invention and effect be easier to understand, below through figures support combinations embodiment of the present invention.
Description of drawings
Fig. 1 one is applied to the press-key structure stereogram on the keyboard;
Fig. 2 is the three-dimensional exploded view of an existing press-key structure;
Fig. 3 is the three-dimensional exploded view of the press-key structure that one embodiment of the invention provided;
Fig. 4 A is depicted as the stereogram of keycap in the press-key structure that one embodiment of the invention provides;
Fig. 4 B is depicted as the stereogram of inner frame in the press-key structure that one embodiment of the invention provides;
Fig. 4 C is depicted as the stereogram of outside framework in the press-key structure that one embodiment of the invention provides;
Fig. 5 A to Fig. 5 C is depicted as the assembling sketch map of inner frame and outside framework in the press-key structure that one embodiment of the invention provides;
Generalized section when the press-key structure that Fig. 6 A is depicted as one embodiment of the invention to be provided is not pressed; And
Generalized section when the press-key structure that Fig. 6 B is depicted as one embodiment of the invention to be provided is pressed.
Wherein, description of reference numerals is following:
1 press-key structure, 11 keycaps
12 inner frames, 121 axostylus axostyles
13 outside frameworks, 131 axis holes
14 elastic components, 15 thin film switches
16 base plates, 2 press-key structures
21 keycaps, 211 first articulated sections
212 guide grooves, 22 inner frames
221 arms, 222 first protuberances
The 222A first inclined-plane 222B second inclined-plane
223 groove 223A, second bottom surface
223B the 6th inclined-plane 224 first drive-connecting shafts
225 first sliding axles, 23 outside frameworks
231 arms, 232 V-type grooves
232A the 4th inclined-plane 232B the 3rd inclined-plane
233 second protuberance 233A, first bottom surface
233B the 5th inclined-plane 234 second drive-connecting shafts
235 second sliding axles, 24 elastic components
25 thin film switches, 26 base plates
261 trips, 262 second articulated sections
H1 first height H 2 second height
Embodiment
Shown in Figure 3 for the three-dimensional exploded view of the press-key structure that first embodiment of the invention provided.Press-key structure 2 comprises a keycap 21, a scissors-type strutting piece, an elastic component 24, a thin film switch 25 and a base plate 26.Wherein, the scissors-type strutting piece comprises an inner frame 22 and an outside framework 23, in order to keycap 21 is connected on the base plate 26.Thin film switch 25 is arranged on this base plate 26, and elastic component 24 then is arranged between keycap 21 and the thin film switch 25, makes it produce electronic signal in order to when keycap 21 is pressed, to trigger thin film switch 25, and in order to the height before letting keycap 21 be returned to not to be pressed.In addition, base plate 26 has a trip 261 and one second articulated section 262, and wherein, second articulated section 262 is made up of a trip 262A and a block 262B.
Please refer to Fig. 4 A, Fig. 4 B and Fig. 4 C, the stereogram of keycap 21, outside framework 23 and the inner frame 22 of the press-key structure 2 that it is depicted as present embodiment respectively and is provided is explained the thin bilge construction of press-key structure 2 with this.At first with reference to Fig. 4 A, keycap 21 is provided with one first articulated section 211 and a guide groove 212 in its bottom.With reference to Fig. 4 B; The arm 221 of inner frame 22 is provided with the groove 223 that contracts in one first protuberance 222 and; Wherein, First protuberance 222 has one first inclined-plane 222A and one second inclined-plane 222B, and groove 223 then has the 6th inclined-plane 223B that one second bottom surface 223A and extends from the first inclined-plane 222A.In addition, inner frame 22 is respectively arranged with first drive-connecting shaft 224 and one first sliding axle 225 at the two ends of arm 221.With reference to Fig. 4 C; The arm 231 of outside framework 23 is provided with V-type groove 232 and one second protuberance 233 that contracts in; Wherein, V-type groove 232 comprises one the 3rd inclined-plane 232B and one the 4th inclined-plane 232A, and second protuberance 233 is a triangular prism, has the 5th inclined-plane 233B that one first bottom surface 233A and extends from the 3rd inclined-plane 232B.In addition, outside framework 23 is respectively arranged with one second drive-connecting shaft 234 and one second sliding axle 235 at the two ends of arm 231.
Stereogram shown in Fig. 5 A to Fig. 5 C has illustrated the scissors-type strutting piece assembling process of the press-key structure that present embodiment provided 2.Scissors-type strutting piece provided by the present invention, can be earlier insert inner frame 22 on the outside frameworks 23 after, overturn inner frame 22 again and inner frame 22 and outside framework 23 fitted together.At first corresponding to Fig. 5 A and Fig. 5 B; The first inclined-plane 222A of inner frame 22 protuberances tilts to insert in the V-type groove 232 of outside framework 23; And the engaging outside framework 23 V-type groove 232 the 4th inclined-plane 232A and form the structure shown in Fig. 5 B; At this moment, the opening surface of inner frame 22 grooves 223 is towards outside framework 23.Then, corresponding to Fig. 5 B and Fig. 5 C, make second protuberance 233 of outside framework 23 be sticked in the groove 223 of inner frame 22 along arrow R direction upset inner frame 22 and the assembling of completion scissors-type strutting piece.
The scissors-type strutting piece that present embodiment provided is through forming first protuberance 222 forms the V-type groove 232 and second protuberance 233 with groove 223 and on outside framework 23 mode on the inner frame 22; The scissors-type strutting piece that formation can be assembled fast, and in the process of assembling, need not strut outside framework 23 thereby can not cause the damage of outside framework 23.Specifically; Scissors-type strutting piece provided by the present invention; As long as inner frame 22 is tilted to insert in the outside framework 23, and rotate the assembling that an angle can be accomplished scissors pin strutting piece, therefore accomplish press-key structure 2 assemblings of whole keyboard fast applicable to the application of automation assembling.
After the scissors-type support combination is accomplished; Can through trip 261 and this first sliding axle 225 engage and second drive-connecting shaft 234 and second articulated section 262 combine to be combined on the base plate 26; Then, keycap 21 can through guide groove 212 and second sliding axle 235 engage and first articulated section 211 and first drive-connecting shaft 224 combine be combined on the scissors-type strutting piece.
Simultaneously with reference to Fig. 6 A and Fig. 6 B; Its correspondence illustrate press-key structure 2 that present embodiment provides be pressed preceding and be pressed after generalized section, explain that with this scissors-type strutting piece provided by the present invention can let keycap 21 held stationaries and keep the design of pressing touch.When keycap 21 is not pressed and is positioned at one first height H 1; The first inclined-plane 222A of inner frame 22 first protuberances 222 is sticked on the 3rd inclined-plane 232B of V-type groove 232 of outside framework 23; At this moment, the 5th inclined-plane 233B of second protuberance 233 of outside framework 23 also is sticked on the 6th inclined-plane 223B of inner frame 22 grooves 223.And after keycap 21 is pressed and moves to second height H 2 from first height H 1; The second inclined-plane 222B of the protuberance of inner frame 22 then is sticked on the 4th inclined-plane 232A of outside framework 23V type groove 232, and the trequetrous first bottom surface 233A of outside framework 23 also is sticked on the second bottom surface 223A of inner frame 22 grooves 223 simultaneously.Hence one can see that; The scissors-type strutting piece that present embodiment provided; Its inner frame 22 and outside framework 23 are when the travel range of control keycap 21 vertically-actings; Be to be fastened togather, thereby under the situation that increases contact area, be able to let whole scissors-type strutting piece reach the effect that steadily is difficult for rocking through the mode that face contacts.In addition; Because inner frame 22 provided by the present invention is not to be to be fixed on the outside framework 23 with the mode that is pivoted; Therefore, in the process of first height H, 1 migration, second height H 2, or keycap 21 is got back in the process of first height H 1 from second height H 2 at keycap 21; First protuberance 222 of inner frame 22 also can have any contact with the V-type groove 232 of housing hardly; Therefore, also can significantly reduce the generation of abrasion and increase the useful life that button knot is purchased, also strengthen the pressing touch of press-key structure 2 simultaneously.
For the assembling that helps inner frame 22 and outside framework 23 and reduce the abrasion between inner frame 22 and the outside framework 23; In the press-key structure 2 that other embodiments of the invention provided; Can be in second protuberance 233 of first protuberance 222 of inner frame 22 and groove 223 and outside framework 23 and V-type groove 232; Form in the confluce of face and face and to lead the structure of fillet, for example in the confluce of the first inclined-plane 222A of inner frame 22 protuberances and the second inclined-plane 222B, in the 3rd inclined-plane 232B of outside framework 23V type groove 232 and 232A confluce, the 4th inclined-plane or in the first bottom surface 233A and the 233B confluce, the 5th inclined-plane of outside framework 23 second protuberances 233.
According to the second embodiment of the present invention for a kind of keyboard is provided; The combination of the press-key structure 2 that it is provided for a plurality of above-mentioned first embodiment; This keyboard can be a desktop keyboard (Desktop keyboard), also a keyboard of notebook computer (Notebook keyboard).
Above-described embodiment is merely explanation technological thought of the present invention and characteristics; Its purpose is to make the personnel that are familiar with this technology can understand content of the present invention and implements according to this; And can not limit scope of the present invention with this; Be that all equalizations of doing according to disclosed spirit change or modification, must contain within the scope of the invention.
Claims (7)
1. press-key structure comprises:
One keycap;
One base plate; And
One scissors-type strutting piece, in order to this keycap is connected on this base plate, this scissors-type strutting piece comprises:
One inner frame, the arm of this inner frame comprise the groove that contracts in one first protuberance and, and this first protuberance comprises one first inclined-plane and one second inclined-plane, and this groove has six inclined-plane of an extension from this first inclined-plane; And
One outside framework, the arm of this outside framework comprise a V-type groove and a triangular prism that contracts in, and this V-type groove comprises one the 3rd inclined-plane and one the 4th inclined-plane, and this triangular prism has one and extends from the 5th inclined-plane on the 3rd inclined-plane, and this triangular prism can be held by this groove;
When this keycap is positioned at this first height, this engaging the 3rd inclined-plane, first inclined-plane, and engaging the 6th inclined-plane, the 5th inclined-plane, and when this keycap is positioned at this second height, this engaging the 4th inclined-plane, second inclined-plane.
2. press-key structure as claimed in claim 1, wherein, this triangular prism has one first bottom surface; This first bottom surface is positioned at this trequetrous bottom, and has an angle between this first bottom surface and the 5th inclined-plane, and this groove has one second bottom surface; This second bottom surface is positioned at the bottom of this groove; And have another angle between this second bottom surface and the 6th inclined-plane, when this keycap is positioned at this second height, this this second bottom surface of engaging, first bottom surface.
3. press-key structure as claimed in claim 1, wherein, this press-key structure also comprises:
One thin film switch, it is arranged on this base plate; And
One elastic component, it is arranged between this keycap and this thin film switch, and this first highly moves to this second height and the time triggers this thin film switch certainly in order to be pressed when this keycap.
4. press-key structure as claimed in claim 1; Wherein, This keycap bottom has one first articulated section and a guide groove; This base plate has one second articulated section and a trip, and the arm two ends of this inner frame are one first drive-connecting shaft and one first sliding axle, and these outside framework arm two ends are one second drive-connecting shaft and one second sliding axle; This scissors-type strutting piece through this trip and this first sliding axle engage and this second drive-connecting shaft and this second articulated section combine to be combined on this base plate, this keycap through this guide groove and this second sliding axle engage and this first articulated section and this first drive-connecting shaft combine be combined on this scissors-type strutting piece.
5. keyboard comprises:
A plurality of keycaps;
One base plate;
A plurality of scissors-type strutting pieces, in order to being connected on this base plate by a plurality of keycaps, this scissors-type strutting piece comprises:
One inner frame, the arm of this inner frame comprise the groove that contracts in one first protuberance and, and this first protuberance comprises one first inclined-plane and one second inclined-plane, and this groove has six inclined-plane of an extension from this first inclined-plane; And
One outside framework, the arm of this outside framework comprise a V-type groove and a triangular prism that contracts in, and this V-type groove comprises one the 3rd inclined-plane and one the 4th inclined-plane, and this triangular prism has one and extends from the 5th inclined-plane on the 3rd inclined-plane, and this triangular prism can be held by this groove;
When this keycap is positioned at this first height, this engaging the 3rd inclined-plane, first inclined-plane, and engaging the 6th inclined-plane, the 5th inclined-plane, and when this keycap was positioned at this second height, this second inclined-plane was sticked in the 4th inclined-plane;
A plurality of thin film switches are arranged on this base plate; And
A plurality of elastic components are arranged between each this keycap and each this thin film switch, and this first highly moves to this second height and the time trigger this thin film switch certainly in order to be pressed when this keycap.
6. keyboard as claimed in claim 5, wherein, this triangular prism has one first bottom surface; This first bottom surface is positioned at this trequetrous bottom, and has an angle between this first bottom surface and the 5th inclined-plane, and this slot has one second bottom surface; This second bottom surface is positioned at the bottom of this groove; And have another angle between this second bottom surface and the 6th inclined-plane, when this keycap was positioned at this second height, this first bottom surface was sticked in this second bottom surface.
7. keyboard as claimed in claim 5; Wherein, This keycap bottom has one first articulated section and a guide groove; This base plate has one second articulated section and a trip, and this inner frame has one first drive-connecting shaft and one first sliding axle, and this outside framework has one second drive-connecting shaft and one second sliding axle; This scissors-type strutting piece through this trip and this first sliding axle engage and this second drive-connecting shaft and this second articulated section combine to be combined on this base plate, this keycap through this guide groove and this second sliding axle engage and this first articulated section and this first drive-connecting shaft combine be combined on this scissors-type strutting piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101902657A CN101770883B (en) | 2008-12-30 | 2008-12-30 | Press key structure and key board comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101902657A CN101770883B (en) | 2008-12-30 | 2008-12-30 | Press key structure and key board comprising same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101770883A CN101770883A (en) | 2010-07-07 |
| CN101770883B true CN101770883B (en) | 2012-11-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101902657A Expired - Fee Related CN101770883B (en) | 2008-12-30 | 2008-12-30 | Press key structure and key board comprising same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101770883B (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102044361A (en) * | 2009-10-26 | 2011-05-04 | 致伸科技股份有限公司 | Key structure and keyboard with the same |
| CN102637540A (en) * | 2011-02-10 | 2012-08-15 | 致伸科技股份有限公司 | Key structure of keyboard device |
| CN102651284B (en) * | 2011-02-24 | 2015-01-07 | 致伸科技股份有限公司 | Key structure provided with scissor-type connection element |
| CN104201025B (en) * | 2014-08-12 | 2016-05-11 | 苏州达方电子有限公司 | Press-key structure |
| CN106486300B (en) * | 2015-08-27 | 2019-03-05 | 东莞市凯华电子有限公司 | Keyboard switch with X frame structure |
| CN108807056A (en) * | 2017-04-28 | 2018-11-13 | 致伸科技股份有限公司 | Press-key structure |
| TWI628684B (en) * | 2017-07-04 | 2018-07-01 | 達方電子股份有限公司 | Key switch with easy assembly |
| CN110189948B (en) * | 2018-02-23 | 2021-09-14 | 群光电子(苏州)有限公司 | Key device and keyboard |
| CN110581037A (en) * | 2018-06-08 | 2019-12-17 | 致伸科技股份有限公司 | keyboard with a keyboard body |
| CN110648874B (en) * | 2019-08-22 | 2022-06-10 | 苏州达方电子有限公司 | Key and fastening claw structure thereof |
| CN114121532A (en) * | 2020-08-31 | 2022-03-01 | 东莞琦联电子有限公司 | Key with scissors type connecting assembly |
-
2008
- 2008-12-30 CN CN2008101902657A patent/CN101770883B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN101770883A (en) | 2010-07-07 |
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Granted publication date: 20121128 Termination date: 20171230 |