CN107331561A - It is a kind of to be used to improve the construction package of handfeel of keys - Google Patents
It is a kind of to be used to improve the construction package of handfeel of keys Download PDFInfo
- Publication number
- CN107331561A CN107331561A CN201710756296.3A CN201710756296A CN107331561A CN 107331561 A CN107331561 A CN 107331561A CN 201710756296 A CN201710756296 A CN 201710756296A CN 107331561 A CN107331561 A CN 107331561A
- Authority
- CN
- China
- Prior art keywords
- regulation
- installed part
- key
- sliding wedge
- circuit plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/02—Details
- H01H13/12—Movable parts; Contacts mounted thereon
- H01H13/14—Operating parts, e.g. push-button
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- Casings For Electric Apparatus (AREA)
Abstract
It is a kind of for improving the construction package of handfeel of keys that the present invention is provided, the manual key for being used to touch the key circuit plate including key circuit plate and installed in the key circuit plate side, the key circuit backboard is provided with for driving the key circuit plate to be moved toward and away from the manual key and then adjusting the regulation installed part of spacing between the key circuit plate and the manual key from the side of the manual key, the key circuit plate is arranged on the regulation installed part and with the regulation installed part movement, the regulation installed part is configured with the position and lock component for adjusting installed part described in position and lock.Said structure component can be the feel demand that can reach button with disposal molding, and mould is changed without carrying out multiple trial and error, be easy to maintenance, on the one hand saved the construction cycle of product, on the other hand greatly save the cost of product.
Description
Technical field
The present invention relates to mobile terminal hardware technology field, more particularly to a kind of it is used to improve the structure group of handfeel of keys
Part.
Background technology
For mobile terminal or other electronic products, the quality of handfeel of keys directly affects the usage experience of user
Overall public praise with consumer to product.The key switch stroke for being now widely used for mobile terminal is generally arrived in 0.15mm
Between 0.18mm, complete machine in assembling process due to button each building block manufacturing tolerance and rigging error etc., it is general come
Say that installation can have handfeel of keys is weaker or handfeel of keys is stiff etc. for the first time, structural member usually requires progress and changes 1 to 2 ability of mould
Relatively good feel can be adapted to out.Development cost and the cycle of project can not only be increased by changing mould, and to the warp of structural engineer
Test requirement higher.
The content of the invention
It is a kind of for improving the construction package of handfeel of keys it is a primary object of the present invention to propose, it is intended to solve existing skill
Improving handfeel of keys in art needs to change the problem of mould etc. causes cost height, the cycle is long.
To achieve the above object, what the present invention was provided is a kind of for improving the construction package of handfeel of keys, including key wire
Road plate and the manual key for being used to touch the key circuit plate installed in the key circuit plate side, the key circuit
Backboard is provided with for driving the key circuit plate to be moved toward and away from the manual key from the side of the manual key
Regulation installed part that is dynamic and then adjusting spacing between the key circuit plate and the manual key, the key circuit plate is installed
On the regulation installed part and with the regulation installed part movement, the regulation installed part is configured with for described in position and lock
Adjust the position and lock component of installed part.
Alternatively, the position and lock component include with it is described regulation installed part phase wedging slidable sliding wedge and
The elastic component abutted for making the regulation installed part be kept all the time with the sliding wedge, the sliding wedge is arranged on described
The side that installed part deviates from the manual key is adjusted, one end of the elastic component is connected to the regulation installed part away from described
The side of sliding wedge, the other end of the elastic component is fixedly mounted, and the sliding wedge drives described adjust by sliding up and down
Section installed part, which is moved left and right, makes the key circuit plate toward and away from manual key movement regulation spacing.
Alternatively, the sliding wedge has the first bearing surface abutted against with the regulation installed part, the regulation peace
Piece installing has the second bearing surface abutted against with the sliding wedge, first bearing surface and second bearing surface difference phase
Oblique to vertical direction and mutual wedging, the regulation installed part is slided up and down along described with the sliding wedge
The incline direction of first bearing surface and second bearing surface is relatively moved.
Alternatively, first bearing surface is respectively formed with second bearing surface and tied for strengthening the concavo-convex of frictional force
Structure or knurling structure.
Alternatively, first bearing surface and second bearing surface difference inclined angle in opposed vertical direction be 5 °~
30°。
Alternatively, contact area >=10mm of bearing surface of the sliding wedge with the regulation installed part each other2。
Alternatively, the sliding wedge, which is protruded above, is formed with hand group sliding block, and the position corresponding with the sliding wedge is consolidated
Dingan County is equipped with the fixed plate being covered in above the sliding wedge, and chute is offered in the fixed plate, and the hand dials sliding block
Stretch out and slided up and down along the chute from the chute.
Alternatively, the position and lock component is included in being covered in for the positioning corresponding position fixed installation of regulating part
Lockplate on the positioning regulating part and for drive the positioning regulating part move and make it is described position regulating part with it is described
It is formed with the regulation lock screw of lockplate relative positioning locking, the positioning regulating part and the regulation lock screw phase
Sliding eye is offered on the screwed hole matched somebody with somebody, the lockplate, moving direction of the sliding eye along the positioning regulating part prolongs
Stretch, the stud of the regulation lock screw is extended into the screwed hole, and the nut for adjusting lock screw stretches out in described
Outside sliding eye.
Alternatively, the manual key includes connecting on main body and the button leg protruded out from the main body, the button leg
It is connected to the locking plate for pinning the button leg.
Alternatively, offer recess on the locking plate, the button leg have the leg that is connected with the main body and
Relatively described leg is in the hooked part of bending, and the leg is located in the recess, and the hooked part is with being located at the recess
The position hook connection of the locking plate at edge.
The construction package proposed by the present invention for being used to improve handfeel of keys can reach the hand of button with disposal molding
Sense demand, changes mould without carrying out multiple trial and error, has on the one hand saved the construction cycle of product, has on the other hand greatly saved production
The cost of product；It is easy to maintenance, while only needing to can compensate for using by adjusting position and lock module position the abrasion of process
With the error of assembling process, installed part is adjusted without changing；It can greatly improve yield, by adjusting position and lock component
Position can be adaptive progress assemble, due to foozle introduce it is bad can be by adjusting the position of position and lock component
Put and be improved as non-defective unit；It ensures the stability of the feel during use by self-locking structure.
Brief description of the drawings
Fig. 1 is the decomposition texture schematic diagram of the construction package for improving handfeel of keys of the present invention；
Fig. 2 is the schematic cross-sectional view of the construction package for improving handfeel of keys of the present invention；
Fig. 3 for the present invention be used for improve the structural representation of the manual key in the construction package of handfeel of keys；
Fig. 4 for the present invention be used for improve the structural representation of the locking plate in the construction package of handfeel of keys；
Fig. 5 is the knot for adjusting installed part in the first embodiment for the construction package for improving handfeel of keys of the present invention
Structure schematic diagram；
Fig. 6 for the present invention the first embodiment for the construction package for improving handfeel of keys in sliding wedge structure
Schematic diagram.
Embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
As shown in Figure 1-2, it is used to improve the construction package of handfeel of keys the present invention relates to a kind of, it includes key circuit plate
1 and installed in the side of key circuit plate 1 be used for touch the manual key 2 of key circuit plate 1, key circuit plate 1 is away from manual
The side of button 2 is provided with regulation installed part 3, and key circuit plate 1 is arranged on regulation installed part 3, and regulation installed part 3 is also configured
There is the position and lock component that installed part 3 is adjusted for position and lock.Wherein, position and lock component can realize regulation installed part 3
Movement, realized by mobile regulation installed part 3 and drive key circuit plate 1 to be moved toward and away from manual key 2, and then adjusted
Spacing between key circuit plate 1 and manual key 2.
Can have that feel is weak and the stiff situation of feel is entered in use for manual key 2 by above-mentioned design
Row regulation.As a rule the dome spacing of weak conductive base and the key circuit plate 1 for being due to manual key 2 of feel is bigger than normal causes
, the spacing that now need to only reduce between the two can be achieved, therefore be reduced by adjusting position and lock component to appropriate location
The conductive base of manual key 2 and the dome spacing of key circuit plate 1 and pinning, realize improvement handfeel of keys, and ensure
Stability.It is due to as a rule the conductive base and button of manual key 2 if the feel of manual key 2 is stiff or by motionless
Caused by the dome spacing of wiring board 1 is less than normal, now adjustment is with above-mentioned just on the contrary, by adjusting position and lock component to appropriate
Dome spacing and pinning of the conductive base of position increase manual key 2 with key circuit plate 1.
Illustrated below by specific embodiment.
Embodiment 1：
As shown in Figure 1-2, in the present embodiment, construction package also includes installing center 4, and key circuit plate 1 and regulation are pacified
Piece installing 3, which is arranged on, is installed in center 4, and key hole 41 is also formed with the side wall for installing center 4, and manual key 2 is arranged on button
Stretch out in hole 41 and from key hole 41.
As shown in Figure 3-4, manual key 2 includes main body 21 and the button leg 22 protruded out from main body 21, and button leg 22 is big
Cause is L-shaped, and the locking plate 5 for locking keys leg 22 is connected with button leg 22.Recess 51 is offered on locking plate 5, is pressed
There is key leg 22 leg 221 being connected with main body 21 and opposed legs 221 to be in the hooked part 222 of bending, and leg 221 is located at
In recess 51, hooked part 222 is connected with the position hook of locking plate 5 positioned at the edge of recess 51, i.e. substantially L-shaped button
Leg 22 is mutually hooked together with locking plate 5 by the recess 51 of locking plate 5 and is connected.It can prevent manual key 2 from taking off by above-mentioned design
Fall.In the present embodiment, the quantity of button leg 22 is two, is only offered on locking plate 5 relative with one of button leg 22
The recess 51 answered, i.e. only one button leg 22 are mutually hooked together with locking plate 5 and are connected.In other embodiments, can be with locking plate 5
Two corresponding with two button legs 22 respectively recesses 51 are offered, i.e., two button legs 22 are hooked together with locking plate 5 respectively
Connection.In other embodiments, the quantity of button leg 22 can also to be one or more, as needed depending on.
In the present embodiment, position and lock component include with adjust the phase wedging of installed part 3 slidable sliding wedge 6 and
The elastic component 7 abutted for making regulation installed part 3 be kept all the time with sliding wedge 6.Wherein elastic component 7 can be spring or shell fragment
Deng.In the present embodiment, elastic component 7 is spring.
As shown in Figure 1-2, sliding wedge 6 is arranged on the side that regulation installed part 3 deviates from manual key 2, the one of elastic component 7
End is connected to the side that regulation installed part 3 deviates from sliding wedge 6, and the other end of elastic component 7 is fixedly mounted on installation center 4.
As seen in figs. 5-6, sliding wedge 6 has the first bearing surface 61 abutted against with regulation installed part 3, i.e. sliding wedge
6 are formed with the first bearing surface 61 towards the side of regulation installed part 3.Regulation installed part 3 has the abutted against with sliding wedge 6
Two bearing surfaces 31, that is, the side for adjusting installed part 3 towards sliding wedge 6 is formed with the second bearing surface 31.The He of first bearing surface 61
Second bearing surface 31 difference opposed vertical direction is oblique and mutual wedging.It should be noted that the first bearing surface 61 and
Two bearing surfaces 31 are respectively rubbing surface, there is frictional force to each other, and then realize between sliding wedge 6 and regulation installed part 3
Under self-locking, i.e. nature, regulation installed part 3 will not be along the first bearing surface 61 and the relative sliding wedge 6 of the second bearing surface 31
Slide.
As shown in fig. 6, sliding wedge 6, which is protruded above, is formed with columned hand group sliding block 62, it is corresponding with sliding wedge 6
Position is installed with the fixed plate 8 for being covered in the top of sliding wedge 6, and specifically, the fixed plate 8 is installed by fastening screw 9
In an installation on the side surface of frame 4, sliding 81 grooves are offered in fixed plate 8, chute 81 extends along above-below direction, and hand dials sliding block
62 stretch out and can be slided up and down along chute 81 from chute 81.
When manual toggle hand dials sliding block 62, make sliding wedge 6 along chute 81 slide up and down when, regulation installed part 3 will
Moved along the first bearing surface 61 sliding wedge 6 relative with the incline direction of the second bearing surface 31, make regulation installed part 3 real
Now move left and right, that is, key circuit plate 1 is moved toward and away from manual key 2, and then adjust spacing between the two, adjust
Self-locking will be realized after section at once, the stability of manual key 2 is improved.Specifically, make sliding wedge 6 upward along chute 81
During slip, regulation installed part 3 is driven to move right；When making sliding wedge 6 along 81 slide downward of chute, elastic component 7 makes regulation
Inclined-plane between installed part 3 and sliding wedge 6 is in close contact all the time, while be also equivalent to be moved to the left regulation installed part 3,
And ensure that the stability of manual key 2.
Wherein, the first bearing surface 61 and the second bearing surface 31 can be formed respectively concaveconvex structure for strengthening frictional force or
Knurling structure.The frictional property between the first bearing surface 61 and the second bearing surface 31 can be so further enhanced, self-locking effect is more
It is good.
It is 5 °~30 ° that first bearing surface 61 and the second bearing surface 31, which distinguish the inclined angle in opposed vertical direction, is preferably
10 °~20 °, more preferably 10 °~15 °.The design of the angle can further meet under condition of self-locking, i.e. nature no matter
The power F that regulation installed part 3 passes to sliding wedge 6 is much, is slided all without sliding wedge 6 is caused.
The contact area of sliding wedge 6 and regulation installed part 3 bearing surface each other preferably >=10mm2, to ensure
Therebetween friction effect.
When the conductive base of manual key 2 and the dome spacing of button FPC circuit boards 1 is bigger than normal causes the feel of manual key 2 weak
When, the spacing that need to only reduce between the two can be achieved.Specially：The hand pushed up on sliding wedge 6 dials sliding block 62, so that
Drive regulation installed part 3 to move, that is, realize the tune of the dome of button FPC circuit boards 1 and the conductive base spacing of manual key 2
Whole, now elastic component 7 is in compressive state so that sliding wedge 6 and regulation installed part 3 are in close contact, and now remove external force, by
Meet condition of self-locking in sliding wedge 6, will not slide downward, it is achieved that improving the feel of manual key 2, and ensure stable
Property.
When the conductive base of manual key 2 and the dome spacing of button FPC circuit boards 1 it is less than normal cause the feel of manual key 2 give birth to
It is hard or by it is motionless when, now adjustment is with above-mentioned just on the contrary, the hand pushed down on sliding wedge 6 dials sliding block 62, regulation peace
Piece installing 3 is moved under the elastic force effect of elastic component 7, so as to increase the dome of button FPC circuit boards 1 and the conduction of manual key 2
The spacing of base, realizes the adjustment of manual key 2, now removes external force, will not be downward because sliding wedge 6 meets condition of self-locking
Slide.
The construction package for being used to improve handfeel of keys of the present embodiment can reach the feel of button with disposal molding
Demand, changes mould without carrying out multiple trial and error, has on the one hand saved the construction cycle of product, has on the other hand greatly saved product
Cost；It is easy to maintenance, while only needing to can compensate for the abrasion using process and dress by the position for adjusting sliding wedge
Error with process, without changing regulation installed part；It can greatly improve yield, can by the position for adjusting sliding wedge
Assembled with adaptive progress, the bad of foozle introducing can be improved as non-defective unit by adjusting the position of sliding wedge；Its
Ensure the stability of the feel during use by self-locking structure.
Embodiment 2：
In the present embodiment, difference from Example 1 is：The side surface on frame 4 is provided with lockplate in an installation
(not indicated in figure), the lockplate is covered in the position on positioning regulating part 3.Position and lock component includes the lockplate and is used for
The regulation lock screw for driving positioning regulating part 3 to move and make positioning regulating part 3 to be locked with lockplate relative positioning (is not marked in figure
Show).Wherein, it is formed with positioning regulating part 3 on the screwed hole (not indicated in figure) matched with regulation lock screw, lockplate
Sliding eye (not indicated in figure) is offered, moving direction of the sliding eye along positioning regulating part 3 extends, i.e., along positioning regulating part
The 3 direction extensions moved left and right.The stud of regulation lock screw is extended into screwed hole, and the nut of regulation lock screw is stretched out in
Outside the sliding eye.
The construction package for improving handfeel of keys of the present embodiment is the alternative structure of embodiment 1, and it is stirred by hand
Set screw drives regulation installed part to be moved toward and away from manual key, to adjust the spacing of the two, while utilizing regulation
Screw will adjust installed part locking, make it mutually locked with lockplate, realize the purpose of position and lock.
The embodiments of the present invention are for illustration only, and the quality of embodiment is not represented.
The preferred embodiments of the present invention are these are only, are not intended to limit the scope of the invention, it is every to utilize this hair
Equivalent structure or equivalent flow conversion that bright specification and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (10)
1. a kind of be used to improve the construction package of handfeel of keys, including key circuit plate (1) and installed in the key circuit plate
(1) manual key (2) for touching the key circuit plate (1) of side, it is characterised in that key circuit plate (1) back of the body
Side from the manual key (2) is provided with for driving the key circuit plate (1) toward and away from the manual key
(2) regulation installed part (3) that is mobile and then adjusting spacing between the key circuit plate (1) and the manual key (2), it is described
Key circuit plate (1) is arranged on the regulation installed part (3) and mobile with the regulation installed part (3), and the regulation is installed
Part (3) is configured with the position and lock component for adjusting installed part (3) described in position and lock.
2. construction package according to claim 1, it is characterised in that the position and lock component includes pacifying with the regulation
The slidable sliding wedge (6) of piece installing (3) phase wedging and for make it is described regulation installed part (3) all the time with the sliding wedge
(6) elastic component (7) abutted is kept, the sliding wedge (6) is arranged on the regulation installed part (3) and deviates from the manual key
(2) side, one end of the elastic component (7) is connected to the regulation installed part (3) and deviates from the one of the sliding wedge (6)
Side, the other end of the elastic component (7) is fixedly mounted, and the sliding wedge (6) drives the regulation to install by sliding up and down
Part (3), which is moved left and right, makes the key circuit plate (1) toward and away from the mobile regulation spacing of the manual key (2).
3. construction package according to claim 2, it is characterised in that the sliding wedge (6) has pacifies with the regulation
The first bearing surface (61) that piece installing (3) is abutted against, the regulation installed part (3) has what is abutted against with the sliding wedge (6)
Opposed vertical direction is oblique respectively for second bearing surface (31), first bearing surface (61) and second bearing surface (31)
And mutual wedging, the regulation installed part (3) slided up and down along first bearing surface with the sliding wedge (6)
(61) incline direction with second bearing surface (31) is relatively moved.
4. construction package according to claim 3, it is characterised in that first bearing surface (61) abuts with described second
Face (31) is respectively formed with for strengthening the concaveconvex structure or knurling structure of frictional force.
5. construction package according to claim 3, it is characterised in that first bearing surface (61) abuts with described second
The inclined angle in opposed vertical direction is 5 °~30 ° respectively in face (31).
6. construction package according to claim 3, it is characterised in that the sliding wedge (6) and the regulation installed part
(3) contact area >=10mm of bearing surface each other2。
7. construction package according to claim 2, it is characterised in that the sliding wedge (6), which protrudes above, is formed with hand group
Sliding block (62), the position corresponding with the sliding wedge (6), which is installed with, is covered in consolidating above the sliding wedge (6)
Fixed board (8), offers chute (81) in the fixed plate (8), and the hand is dialled sliding block (62) and stretched out simultaneously from the chute (81)
Slided up and down along the chute (81).
8. construction package according to claim 1, it is characterised in that the position and lock component is included in the positioning and adjusted
What the corresponding position of section part (3) was fixedly mounted is covered in the lockplate positioned on regulating part (3) and described fixed for driving
Position regulating part (3) is mobile and makes the positioning regulating part (3) and the regulation lock screw of lockplate relative positioning locking, institute
State and offer cunning on the screwed hole for being formed with and matching with the regulation lock screw on positioning regulating part (3), the lockplate
Dynamic hole, moving direction of the sliding eye along the positioning regulating part (3) extends, and the stud of the regulation lock screw is stretched into
Enter in the screwed hole, the nut of the regulation lock screw is stretched out in outside the sliding eye.
9. construction package according to claim 1, it is characterised in that the manual key (2) include main body (21) and from
It is connected with the button leg (22) protruded out on the main body (21), the button leg (22) for pinning the button leg (22)
Locking plate (5).
10. construction package according to claim 1, it is characterised in that offer recess (51) on the locking plate (5),
The button leg (22) has the leg (221) being connected with the main body (21) and relatively described leg (221) is in bending
Hooked part (222), the leg (221) is located in the recess (51), the hooked part (222) with positioned at the recess
(51) the position hook connection of the locking plate (5) at edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710756296.3A CN107331561B (en) | 2017-08-29 | 2017-08-29 | It is a kind of for improving the construction package of handfeel of keys |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710756296.3A CN107331561B (en) | 2017-08-29 | 2017-08-29 | It is a kind of for improving the construction package of handfeel of keys |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107331561A true CN107331561A (en) | 2017-11-07 |
| CN107331561B CN107331561B (en) | 2019-07-12 |
Family
ID=60203958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710756296.3A Active CN107331561B (en) | 2017-08-29 | 2017-08-29 | It is a kind of for improving the construction package of handfeel of keys |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107331561B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108922810A (en) * | 2018-06-28 | 2018-11-30 | 苏州达方电子有限公司 | Press-key structure |
| CN110112024A (en) * | 2019-04-29 | 2019-08-09 | 上海科世达-华阳汽车电器有限公司 | A kind of key soft-touch control |
| CN110400716A (en) * | 2018-04-25 | 2019-11-01 | 仁宝电脑工业股份有限公司 | Adjustable keyboard |
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| DE29611272U1 (en) * | 1996-06-27 | 1996-10-10 | Siemens AG, 80333 München | Keypad located in a telephone station |
| CN102568886A (en) * | 2010-12-30 | 2012-07-11 | 海洋王照明科技股份有限公司 | Cylinder body structure with sealing key cap |
| CN106847588A (en) * | 2017-03-30 | 2017-06-13 | 努比亚技术有限公司 | A kind of waterproof side key device and its assemble method, mobile terminal |
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2017
- 2017-08-29 CN CN201710756296.3A patent/CN107331561B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29611272U1 (en) * | 1996-06-27 | 1996-10-10 | Siemens AG, 80333 München | Keypad located in a telephone station |
| CN102568886A (en) * | 2010-12-30 | 2012-07-11 | 海洋王照明科技股份有限公司 | Cylinder body structure with sealing key cap |
| CN106847588A (en) * | 2017-03-30 | 2017-06-13 | 努比亚技术有限公司 | A kind of waterproof side key device and its assemble method, mobile terminal |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110400716A (en) * | 2018-04-25 | 2019-11-01 | 仁宝电脑工业股份有限公司 | Adjustable keyboard |
| CN110400716B (en) * | 2018-04-25 | 2021-07-20 | 仁宝电脑工业股份有限公司 | Adjustable keyboard |
| CN108922810A (en) * | 2018-06-28 | 2018-11-30 | 苏州达方电子有限公司 | Press-key structure |
| CN110211833A (en) * | 2018-06-28 | 2019-09-06 | 苏州达方电子有限公司 | Press-key structure |
| CN110211833B (en) * | 2018-06-28 | 2021-06-08 | 苏州达方电子有限公司 | Key structure |
| CN110112024A (en) * | 2019-04-29 | 2019-08-09 | 上海科世达-华阳汽车电器有限公司 | A kind of key soft-touch control |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107331561B (en) | 2019-07-12 |
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