CN202454472U - Switch for miniature keyboard - Google Patents
Switch for miniature keyboard Download PDFInfo
- Publication number
- CN202454472U CN202454472U CN2012200682882U CN201220068288U CN202454472U CN 202454472 U CN202454472 U CN 202454472U CN 2012200682882 U CN2012200682882 U CN 2012200682882U CN 201220068288 U CN201220068288 U CN 201220068288U CN 202454472 U CN202454472 U CN 202454472U
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- contact
- movable contact
- contact spring
- spring
- static
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Abstract
The utility model discloses a switch for a miniature keyboard. The switch comprises a pedestal, a top cover, a static contact piece, a moving contact piece and a button member. An accommodation cavity is enclosed by the top cover and the pedestal, and the static contact piece and the moving contact piece are disposed in the accommodation cavity. The static contact piece comprises a contact part, a fixed part, and a welding part which are integrally molded and connected. The moving contact piece comprises a contact part, an elasticity bending part, a fixed part and a welding part which are integrally molded and connected, wherein the elasticity bending part of the moving contact piece extends downwards from the bottom of the fixed part of the moving contact piece, and then is bended oppositely to extend out; both the two sides of the contact part of the moving contact part are tilted and bended towards the static contact piece to extend out pushing arms; and the contact part of the moving contact piece is provide with a moving contact. The button member comprises a main body which faces the side wall surface of the moving contact piece and extends out guiding slopes which is cooperated with and directly faced to the pushing arms of the contact part of the moving contact piece. The guiding slopes extend downwards to the bottom of the side wall. The design can effectively reduce the height of a product, which makes the product ultrathin.
Description
Technical field
The utility model relates to the field of switches technology, refers in particular to a kind of miniature keyboard switch.
Background technology
Ultra-thin keyboard, bluetooth keyboard, cashier's machine, industrial equipment etc. all need use key switch; This series switch is to adopt conducting under the normality; Pushing the pattern of back disconnection, perhaps also possibly be to adopt under the normality to break off, and the pattern of pushing the back conducting adds gives the realization switching function.
Present key switch great majority are to comprise members such as shell, button, spring, moving contacting plate and quiet contact chip.Wherein more common a kind of movable contact spring structure includes contact site, fixed part, elasticity bending part and the weld part of one-body molded connection successively; Downward again elasticity bending extension formed after this elasticity bending part extended upward in the top of fixed part; Make the elasticity bending part exceed the top of fixed part; Thereby moving contacting plate is installed in the housing, and the part that the elasticity bending part exceeds fixed part need take certain space, therefore have to shell do than higher with in whole moving contacting plate being hidden in fully; Cause product height to reduce, be not suitable in some extra-thin keyboards and the industrial equipment.Moreover, defective such as this conventional keys switch ubiquity internal structure is comparatively complicated, parts are more, assembling is inconvenient, useful life is short, these all make existing key switch fail to reach the result of use and the task performance of the best.
In addition, traditional key-press switch user in operating process can't advance see ground and judge this key switch On/Off state, so can empty increase puzzlement when the user operates.
The utility model content
In view of this, the utility model is to the disappearance of prior art existence, and its main purpose provides a kind of miniature keyboard switch, and its height can effectively be reduced, and realizes ultra-thinization of product.
For realizing above-mentioned purpose, the utility model adopts following technical scheme:
A kind of miniature keyboard switch; Include pedestal, loam cake, static contact, movable contact spring and push button element; This loam cake and pedestal surround the formation containing cavity, and this static contact and movable contact spring are arranged in the containing cavity, and this static contact includes contact site, fixed part and the weld part of one-body molded connection; This movable contact spring includes contact site, elasticity bending part, fixed part and the weld part of integrally formed connection; The weld part of static contact and the weld part of movable contact spring stretch out outside the containing cavity, but this push button element elasticity be arranged at versatilely in the containing cavity, an end of push button element exposes containing cavity; The other end of push button element acts on the contact site of movable contact spring, and the contact site of this movable contact spring is movable and be connected or break away from the contact site contact of static contact and separate with push button element; The elasticity bending part of this movable contact spring extends to extending below the back inverse bending in the bottom of the fixed part of movable contact spring; The both sides of the contact site of this movable contact spring all are raised with pusher arm towards static contact; And the contact site of this movable contact spring is provided with moving contact, and this moving contact is between the pusher arm of the both sides of contact site; And this push button element comprises main part, this main part towards the side wall surface of movable contact spring extend outward cooperate with the pusher arm of the contact site of movable contact spring over against guide ramp, the oblique bottom surface that extends below to sidewall of this guide ramp.
Preferably, the lower end of the fixed part of said movable contact spring upwards is concaved with a breach, and aforementioned elasticity bending part is to form from the bending that stretches out of this breach.
Preferably, said moving contact is the column structure that vertically is provided with, and said fixed contact is the column structure of horizontally set, and this moving contact is conflicted on fixed contact.
Preferably, said moving contact one is connected on the movable contact spring, and said fixed contact one is connected on the static contact.
Preferably, the fixed part of said static contact is provided with a perforation, and the bottom surface of said pedestal is protruding upward to have first reference column, and this perforation is fixed on first reference column.
Preferably, further include a LED lamp, this LED lamp comprises main body and the pin that is connected the main body both sides, and the pin of these both sides passes loam cake and pedestal stretches out base bottom surface.
The utility model compared with prior art has tangible advantage and beneficial effect, particularly, can be known by technique scheme:
One, because the elasticity bending part of movable contact spring is to extend after the inverse bending extension forms from the lower ends downward of fixed part; The elasticity bending part of comparing tradition after the fixed part top extends upward again reflexed to the structure that extends below; The height of the elasticity bending part of the utility model is not higher than the top of fixed part, and movable contact spring is installed in the containing cavity, and movable contact spring integral body does not exceed the degree of depth of containing cavity; It is thin that thereby pedestal and loam cake can be done; To reduce the height of product, make the product can ultra-thinization, whole key switch project organization is simple, compact conformation.
Two, through the LED lamp is installed, can judge the On/Off state of switch intuitively, for the user brings convenience.
Be architectural feature and the effect of more clearly setting forth the utility model, come the utility model is elaborated below in conjunction with accompanying drawing and specific embodiment.
Description of drawings
Fig. 1 is the overall structure sketch map of the preferred embodiment of the utility model;
Fig. 2 is the first fractionation structural representation of the preferred embodiment of the utility model;
Fig. 3 is the second fractionation structural representation of the preferred embodiment of the utility model;
Fig. 4 is the schematic perspective view of push button element in the preferred embodiment of the utility model;
Fig. 5 is the schematic perspective view of static contact in the preferred embodiment of the utility model;
Fig. 6 is the schematic perspective view of movable contact spring in the preferred embodiment of the utility model;
Fig. 7 is the sectional view at P-P place among Fig. 1, and push button element is in not down state among the figure;
Fig. 8 is the sectional view at N-N place among Fig. 1, and push button element is in not down state among the figure;
Fig. 9 is the view that push button element is pressed among Fig. 7;
Figure 10 is the view that push button element is pressed among Fig. 8.
The accompanying drawing identifier declaration:
10, pedestal 11, cavity
12, first reference column 13, location hole
14, location and installation post 15, button portion
20, loam cake 21, button hole
22, containing cavity 23, through hole
30, static contact 31, contact site
311, fixed contact 32, fixed part
321, perforation 33, weld part
40, movable contact spring 41, contact site
411, pusher arm 412, moving contact
42, elasticity bending part 43, fixed part
431, breach 44, weld part
50, push button element 51, main part
511, sidewall 512, shake-up raised line
52, second reference column 53, guide ramp
54, back-moving spring
60, LED lamp 61, main body
62, pin.
Embodiment
Please referring to figs. 1 through shown in Figure 6, it has demonstrated the concrete structure of the preferred embodiment of the utility model, and this miniature keyboard switch includes pedestal 10, loam cake 20, static contact 30, movable contact spring 40, push button element 50 and LED lamp 60.
Particularly; As shown in Figure 3; Said pedestal 10 has a cavity 11, and the inner bottom surface of this cavity 11 has upwards protruded out first reference column 12, and the end face of this first reference column 12 is concaved with location hole 13; The bottom surface of pedestal 10 is concaved with location and installation post 14 (see figure 7)s downwards, and this location and installation post 14 is used to realize and outside location and installation.And, outwards protruded out button portion 15 on this pedestal 10.
This loam cake 20 is provided with button hole 21, and this button hole 21 cooperates spiral-lock with button portion 15 on the aforementioned pedestal 10, and it is fixing to make that loam cake 20 is connected with pedestal 10, makes the cavity 11 of loam cake 20 and pedestal 10 surround with this and forms containing cavity 22 (see figure 7)s.Certainly, loam cake 20 also can connect fixing through alternate manner with pedestal 10, do not limit to above-mentioned mode through spiral-lock, and this loam cake 20 is provided with a through hole 23, and this through hole 23 is communicated with the inside of containing cavity 22.
As shown in Figure 5; This static contact 30 is arranged in the containing cavity 22; This static contact 30 includes contact site 31, fixed part 32 and the weld part 33 of one connection successively, and this contact site 31 is bent into the right angle with the junction of fixed part 32, and also is bent into the right angle between fixed part 32 and the weld part 33.One outwards is raised with fixed contact 311 on the contact-making surface of this contact site 31, and this fixed contact 311 is the column structure of horizontally set, so that join with movable contact spring 40 conflicts.This fixed part 32 is provided with perforation 321, and as shown in Figure 7, this perforation 321 is set on first reference column 12, and this weld part 33 passes pedestal 10 bottom surfaces, so that electrically connect with fixing realization of the external circuit board welding.
As shown in Figure 6, said movable contact spring 40 also is arranged in the containing cavity 22, and movable contact spring 40 is positioned at by the side of static contact 30.This movable contact spring 40 comprises contact site 41, elasticity bending part 42, fixed part 43 and the weld part 44 that one connects, and the bottom of this fixed part 43 is provided with a breach 431, and this elasticity bending part 42 extends to extending below the reverse upwards bending in back from the bottom of breach 431.This contact site 31 is connected the free tail end of elasticity bending part 42; But thereby contact site 41 relative fixed portions 43 elastic side activities; All extend towards static contact 30 perks the both sides of contact site 41 has pusher arm 411; This pusher arm 411 forms through die-cut bending perk, and the tail end of pusher arm 411 up; And this contact site 41 is provided with moving contact 412, and this moving contact 412 is the column structures that vertically are provided with; In conjunction with Fig. 2; This moving contact 412 cooperate with aforementioned fixed contact 311 over against, when moving contact 412 is butted on 311 last times of fixed contact, is connected between this movable contact spring 40 and the static contact 30 and conducts; When moving contact 412 breaks away from fixed contact 311, be connected disconnection between this movable contact spring 40 and the static contact 30.Said fixed part 43 is fixedly connected with pedestal 10, and said weld part 44 passes pedestal 10 bottom surfaces, so that be electrically connected with the welding of circuit external plate.
Shown in Fig. 3 and 4; But these push button element 50 elasticity are arranged in the aforementioned containing cavity 22 versatilely; Stretch out outside the containing cavity 22 through aforementioned through-hole 23 upper end of push button element 50, and it also can not stretch out outside the containing cavity 22, only needs it to expose containing cavity 22 through aforementioned through-hole 23 and get final product.This push button element 50 includes the main part 51 and second reference column 52.This main part 51 has four sidewalls 511; Wherein on a sidewall 511 of movable contact spring 40, extended outward and touched raised line 512; Touch raised line 512 lower ends and form guide ramp 53; This guide ramp 53 extends downward the bottom of this sidewall 511; This guide ramp 53 cooperate with pusher arm 411 on the aforementioned movable contact spring 40 over against, the pusher arm 411 on the aforementioned movable contact spring 40 contacts on the corresponding guide ramp 53, and is up and down and make guide ramp 53 act on the pusher arm 411 of movable contact spring 40 by this push button element 50.Like Fig. 7 and shown in Figure 8; When push button element 50 moves upward; Static contact 30 motions dorsad of this pusher arm 411; Make contact site 41 also with pusher arm 411 static contact 30 motion dorsad, thereby make the contact site 41 of movable contact spring 40 and the contact site of static contact 30 open in 31 minutes, broken off being connected between moving contact 412 and the fixed contact 311; Like Fig. 9 and shown in Figure 10; When push button element 50 moves downward; This pusher arm 411 is towards static contact 30 motions; Make contact site 41 also towards static contact 30 motion, thereby make the contact site 41 of movable contact spring 40 and contact site 31 butts of static contact 30, conducting being connected between movable contact spring 40 and the static contact 30.
Said second reference column 52 is to extend downwards from the bottom surface of 61 ones of the main bodys of push button element 50, and this second reference column 52 cooperates over against plug-in mounting with aforementioned location hole 13, so that play the effect of guiding for moving up and down of push button element 50.In addition, be provided with back-moving spring 54 to this push button element 50, this push button element 50 can flexibly move up and down through this back-moving spring 54, and the two ends of this back-moving spring 54 are set with outside aforementioned first reference column 12 and second reference column 52.
Said LED lamp 60 comprises a main body 61 and the pin 62 that is connected main body 61 both sides, and two pins 62 passes loam cake 20 and pedestal 10 respectively, reaches under the bottom surface of pedestal 10, so that be electrically connected with the welding of circuit external plate.
Assembling process and method for using that present embodiment is detailed are following:
During assembling; As shown in Figures 2 and 3; At first; Static contact 30 and movable contact spring 40 are installed in the cavity 11 of pedestal 10, the fixed part 32 of static contact 30 and the fixed part 43 of movable contact spring 40 all are fixedly connected with pedestal 10, make the weld part 33 of static contact 30 and the weld part 44 of movable contact spring 40 all stretch out outside the pedestal 10 downwards; Then, the lower end suit with back-moving spring 54 is fixed in outside first reference column 12; Then, from top to bottom push button element 50 is pressed in the cavity 11, back-moving spring 54 is set in outside second reference column 52, and second reference column 52 is inserted in the location hole 13, simultaneously, guide ramp 53 is cooperated over against conflict with the pusher arm 411 of movable contact spring 40; Then, push button element 50 upper ends are stretched out outside the loam cake 20 through through hole 23, and the button hole 21 of loam cake 20 is cooperated spiral-lock with the button portion 15 of pedestal 10, it is fixing to make loam cake 20 be connected with pedestal 10; Last from top to bottom LED lamp 60 is inserted into by the side of push button element 50, makes the two pins 62 of LED lamp 60 pass loam cake 20 and pedestal 10 respectively, the bottom surface that reaches pedestal 10 is welded with the circuit external plate down and is electrically connected assembled (as shown in Figure 1).
During use, the weld part 33 of static contact 30 and the weld part 44 of movable contact spring 40 are electrically connected with the external circuit board welding respectively; Like Fig. 7 and shown in Figure 8, under the reset condition, be in off-state between this static contact 30 and the movable contact spring 40; Like Fig. 9 and shown in Figure 10, when applying active force in 50 last times of push button element, this push button element 50 moves downward; 54 times compressive strains of this back-moving spring, simultaneously, this guide ramp 53 acts on the pusher arm 411; Make this pusher arm 411 towards static contact 30 motions, this contact site 31 also moves towards static contact 30, thereby makes the contact site 41 of movable contact spring 40 and contact site 31 butts of static contact 30; Conducting being connected between movable contact spring 40 and the static contact 30, this moment, LED was bright; When release button spare 50, this back-moving spring 54 acts on the push button element 50, makes push button element 50 move upward; This push button element 50 moves upward; This guide ramp 53 also acts on the pusher arm 411, but static contact 30 motions dorsad of this pusher arm 411 this moment make contact site 41 also with pusher arm 411 static contact 30 motions dorsad; Thereby make the contact site 41 of movable contact spring 40 and the contact site of static contact 30 open in 31 minutes; Broken off being connected between movable contact spring 40 and the static contact 30, got back to and do not have under the reset condition of pushing, LED lamp 60 extinguishes.
In sum, the design focal point of the utility model is:
One, because the elasticity bending part of movable contact spring is to extend after the inverse bending extension forms from the lower ends downward of fixed part; The elasticity bending part of comparing tradition after the fixed part top extends upward again reflexed to the structure that extends below; The height of the elasticity bending part of the utility model is not higher than the top of fixed part, and movable contact spring is installed in the containing cavity, and movable contact spring integral body does not exceed the degree of depth of containing cavity; It is thin that thereby pedestal and loam cake can be done; To reduce the height of product, make the product can ultra-thinization, whole key switch project organization is simple, compact conformation.
Two, through the LED lamp is installed, can judge the On/Off state of switch intuitively, for the user brings convenience.
The above; It only is the preferred embodiment of the utility model; Be not that the technical scope of the utility model is done any restriction; So every technical spirit according to the utility model all still belongs in the scope of the utility model technical scheme any trickle modification, equivalent variations and modification that above embodiment did.
Claims (6)
1. miniature keyboard switch; Include pedestal, loam cake, static contact, movable contact spring and push button element; This loam cake and pedestal surround the formation containing cavity, and this static contact and movable contact spring are arranged in the containing cavity, and this static contact includes contact site, fixed part and the weld part of one-body molded connection; This movable contact spring includes contact site, elasticity bending part, fixed part and the weld part of integrally formed connection; The weld part of static contact and the weld part of movable contact spring stretch out outside the containing cavity, but this push button element elasticity be arranged at versatilely in the containing cavity, an end of push button element exposes containing cavity; The other end of push button element acts on the contact site of movable contact spring, and the contact site of this movable contact spring is movable and be connected or break away from the contact site contact of static contact and separate with push button element; It is characterized in that: the elasticity bending part of this movable contact spring extends to extending below the back inverse bending in the bottom of the fixed part of movable contact spring; The both sides of the contact site of this movable contact spring all are raised with pusher arm towards static contact; And the contact site of this movable contact spring is provided with moving contact, and this moving contact is between the pusher arm of the both sides of contact site; And this push button element comprises main part, this main part towards the side wall surface of movable contact spring extend outward cooperate with the pusher arm of the contact site of movable contact spring over against guide ramp, the oblique bottom surface that extends below to sidewall of this guide ramp.
2. miniature keyboard switch according to claim 1 is characterized in that: the lower end of the fixed part of said movable contact spring upwards is concaved with a breach, and aforementioned elasticity bending part is to form from the bending that stretches out of this breach.
3. miniature keyboard switch according to claim 1 is characterized in that: the column structure of said moving contact for vertically being provided with, and said fixed contact is the column structure of horizontally set, this moving contact is conflicted on fixed contact.
4. miniature keyboard switch according to claim 3 is characterized in that: said moving contact one is connected on the movable contact spring, and said fixed contact one is connected on the static contact.
5. miniature keyboard switch according to claim 4 is characterized in that: the fixed part of said static contact is provided with a perforation, and the bottom surface of said pedestal is protruding upward to have first reference column, and this perforation is fixed on first reference column.
6. miniature keyboard switch according to claim 1 is characterized in that: further include a LED lamp, this LED lamp comprises main body and the pin that is connected the main body both sides, and the pin of these both sides passes loam cake and pedestal stretches out base bottom surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200682882U CN202454472U (en) | 2012-02-28 | 2012-02-28 | Switch for miniature keyboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200682882U CN202454472U (en) | 2012-02-28 | 2012-02-28 | Switch for miniature keyboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202454472U true CN202454472U (en) | 2012-09-26 |
Family
ID=46870313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200682882U Expired - Fee Related CN202454472U (en) | 2012-02-28 | 2012-02-28 | Switch for miniature keyboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202454472U (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103107039A (en) * | 2013-01-31 | 2013-05-15 | 东莞市凯华电子有限公司 | Key switch with lamp and assembly method thereof |
| CN104078261A (en) * | 2013-03-28 | 2014-10-01 | Zf腓德烈斯哈芬股份公司 | Key module for a keyboard key and method for producing a key module for a keyboard key |
| WO2014176892A1 (en) * | 2013-04-28 | 2014-11-06 | 东莞市凯华电子有限公司 | Keyboard switch having full-colour, light-emitting edge |
| CN104392861A (en) * | 2014-11-26 | 2015-03-04 | 东莞市高特电子有限公司 | Small mechanical keyboard switch |
| CN104505292A (en) * | 2014-11-19 | 2015-04-08 | 余正明 | Long stroke keyboard switch |
| CN104505289A (en) * | 2014-11-19 | 2015-04-08 | 余正明 | Switch using torsional spring as terminal |
| CN104538227A (en) * | 2014-11-19 | 2015-04-22 | 余正明 | Keyboard switch with up-and-down contact of contacts |
| CN104867771A (en) * | 2014-12-29 | 2015-08-26 | 余正明 | Switch having good hand feeling |
| WO2016107545A1 (en) * | 2014-12-29 | 2016-07-07 | 余正明 | Keyboard switch |
| WO2017127437A1 (en) * | 2016-01-22 | 2017-07-27 | Microsoft Technology Licensing, Llc | Switch and keyboard |
| CN112290251A (en) * | 2020-09-14 | 2021-01-29 | 泰州市航宇电器有限公司 | Miniaturized surface-mounted large-current connector |
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2012
- 2012-02-28 CN CN2012200682882U patent/CN202454472U/en not_active Expired - Fee Related
Cited By (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103107039B (en) * | 2013-01-31 | 2015-06-24 | 东莞市凯华电子有限公司 | Key switch with lamp and assembly method thereof |
| CN103107039A (en) * | 2013-01-31 | 2013-05-15 | 东莞市凯华电子有限公司 | Key switch with lamp and assembly method thereof |
| CN104078261A (en) * | 2013-03-28 | 2014-10-01 | Zf腓德烈斯哈芬股份公司 | Key module for a keyboard key and method for producing a key module for a keyboard key |
| CN104078261B (en) * | 2013-03-28 | 2018-09-11 | 樱桃有限公司 | The method of the key-press module of keyboard and the key-press module of manufacture keyboard |
| WO2014176892A1 (en) * | 2013-04-28 | 2014-11-06 | 东莞市凯华电子有限公司 | Keyboard switch having full-colour, light-emitting edge |
| CN104538227B (en) * | 2014-11-19 | 2017-12-12 | 余正明 | The keyboard switch that a kind of contact contacts up and down |
| CN104505292A (en) * | 2014-11-19 | 2015-04-08 | 余正明 | Long stroke keyboard switch |
| CN104505289A (en) * | 2014-11-19 | 2015-04-08 | 余正明 | Switch using torsional spring as terminal |
| CN104538227A (en) * | 2014-11-19 | 2015-04-22 | 余正明 | Keyboard switch with up-and-down contact of contacts |
| CN104505292B (en) * | 2014-11-19 | 2017-12-12 | 余正明 | A kind of long stroke keyboard switch |
| CN104392861A (en) * | 2014-11-26 | 2015-03-04 | 东莞市高特电子有限公司 | Small mechanical keyboard switch |
| CN104392861B (en) * | 2014-11-26 | 2016-05-11 | 东莞市高特电子有限公司 | Small-sized machine keyboard switch |
| WO2016107545A1 (en) * | 2014-12-29 | 2016-07-07 | 余正明 | Keyboard switch |
| CN106158470A (en) * | 2014-12-29 | 2016-11-23 | 余正明 | Keyboard switch |
| CN106158478A (en) * | 2014-12-29 | 2016-11-23 | 余正明 | Keyboard switch |
| CN106158481A (en) * | 2014-12-29 | 2016-11-23 | 余正明 | Keyboard switch |
| CN106158479A (en) * | 2014-12-29 | 2016-11-23 | 余正明 | Keyboard switch |
| WO2016107547A1 (en) * | 2014-12-29 | 2016-07-07 | 余正明 | Switch with good hand feeling |
| CN104867771A (en) * | 2014-12-29 | 2015-08-26 | 余正明 | Switch having good hand feeling |
| CN106158479B (en) * | 2014-12-29 | 2019-03-19 | 余正明 | Keyboard switch |
| CN106158470B (en) * | 2014-12-29 | 2019-05-24 | 余正明 | Keyboard switch |
| WO2017127437A1 (en) * | 2016-01-22 | 2017-07-27 | Microsoft Technology Licensing, Llc | Switch and keyboard |
| CN106997818A (en) * | 2016-01-22 | 2017-08-01 | 微软技术许可有限责任公司 | Switch and keyboard |
| US10879020B2 (en) | 2016-01-22 | 2020-12-29 | Microsoft Technology Licensing, Llc | Switch and keyboard |
| CN112290251A (en) * | 2020-09-14 | 2021-01-29 | 泰州市航宇电器有限公司 | Miniaturized surface-mounted large-current connector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Dongguan Longhua Electronic Co., Ltd. Assignor: Dongguan Kaihua Electronics Co., Ltd. Contract record no.: 2014440000198 Denomination of utility model: Switch for miniature keyboard Granted publication date: 20120926 License type: Exclusive License Record date: 20140507 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CB03 | Change of inventor or designer information |
Inventor after: Tang Weijie Inventor before: Wu Fuxi |
|
| CB03 | Change of inventor or designer information | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170822 Address after: 523000 Guangdong province Dongguan City Songshan Lake high tech Industrial Development Zone, University Road No. 9 Eagle International Science and Technology Innovation Park Building No. 8 Building 2 Room 203 (cluster registration) Patentee after: Dongguan welljoint Mdt InfoTech Ltd Address before: 523000 Guangdong City, Tangxia Province town of the Village Center Industrial Park Dongguan Kai Hua Electronics Co., Ltd. Patentee before: Dongguan Kaihua Electronics Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120926 Termination date: 20210228 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |