CN109767946A - Key and its keyboard - Google Patents
Key and its keyboard Download PDFInfo
- Publication number
- CN109767946A CN109767946A CN201910033886.2A CN201910033886A CN109767946A CN 109767946 A CN109767946 A CN 109767946A CN 201910033886 A CN201910033886 A CN 201910033886A CN 109767946 A CN109767946 A CN 109767946A
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- China
- Prior art keywords
- convex closure
- engaging convex
- keycap
- bottom plate
- card slot
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- Input From Keyboards Or The Like (AREA)
Abstract
一种按键包含键帽、具有槽型开口的底板、卡槽件及升降支撑装置。第一及第二卡合凸包形成于槽型开口的两侧，第一卡合凸包具有穿孔。卡槽件以射出成型的方式连接于第一及第二卡合凸包以固定于槽型开口上且具有卡槽结构及固定底座，固定底座自卡槽结构分别往第一及第二卡合凸包下方延伸形成有第一及第二底座端部以分别填满第一及第二卡合凸包，第一底座端部穿过穿孔连接至卡槽结构。升降支撑装置的一端可活动地连接键帽，升降支撑装置的另一端可活动地连接卡槽件，使得键帽可经由升降支撑装置相对于底板上下移动。本发明可有效地解决卡槽件容易因使用者施力过大或拉拔角度不当造成卡槽件在卡合凸包上枢转而从底板上脱落的问题。
A key comprises a key cap, a bottom plate with a slot-shaped opening, a slotted member and a lifting support device. The first and second engaging protrusions are formed on both sides of the slot-shaped opening, and the first engaging protrusions have through holes. The slotting member is connected to the first and second engaging bosses by injection molding to be fixed on the slot opening, and has a slotting structure and a fixing base, and the fixing base is respectively engaged from the slotting structure to the first and the second. A first and a second base end portion are formed extending below the convex hull to fill the first and second engaging convex hulls respectively, and the first base end portion is connected to the slot structure through the through hole. One end of the lift support device is movably connected to the keycap, and the other end of the lift support device is movably connected to the slot member, so that the keycap can move up and down relative to the base plate via the lift support device. The present invention can effectively solve the problem that the slotted member is easy to fall off from the bottom plate due to the fact that the slotted member pivots on the engaging convex hull due to excessive force exerted by the user or improper pulling angle.
Description
Technical field
The present invention relates to a kind of key and its keyboards, espespecially a kind of that card slot part is fixed on bottom plate in a manner of ejection formation
On key and its keyboard.
Background technique
For the use habit of current personal computer, keyboard is indispensable one of input equipment, to input
Text, symbol or number.Moreover, the consumer electrical product or industry that everyday life contacts such as use big
Type processing equipment all needs to be equipped with press-key structure as input equipment, to operate above-mentioned electronic product and process equipment.
In general, common key press actuation mechanism system goes up and down supported design using scissor, that is, using each other
Intersect two supporting elements of pivot joint to be movably connected in the card slot part and articulated part of keycap and the card slot part of bottom plate and pivot joint
The mode of part, can be with actuation effect that the intersection of two supporting elements pivots and moves up and down relative to bottom plate to generate keycap.?
In prior art, above-mentioned card slot part can be opened in a manner of ejection formation by the groove profile being formed on bottom plate respectively with articulated part system
Mouthful and be filled in the engaging convex closure of slot-type openings two sides so that card slot part and articulated part are fixed on bottom plate.On however,
The design problem that be easy to appear card slot part bad with the structure bond strength for engaging convex closure is stated, so that card slot part often can be because of user
The excessive or drawing angle that exerts a force is improper to cause card slot part to pivot on engaging convex closure and fall off from bottom plate, so that user be caused to exist
Dismount the inconvenience on key.
Summary of the invention
In view of the problems of the prior art, the present invention provides a kind of key and its keyboard to solve the above problems.
Therefore, technical problem to be solved by the present invention lies in a kind of key is provided, which includes keycap；
Bottom plate, with slot-type openings, the first engaging convex closure and the second engaging convex closure are respectively formed in the slot-type openings
Two sides and opposite to each other, this first engaging convex closure have perforation；
Card slot part is connected to the first engaging convex closure and the second engaging convex closure in a manner of ejection formation with fixation
In on the slot-type openings, which has notch and firm banking, and the firm banking is past respectively from the notch
First base end and second base end have been extended to form below the first engaging convex closure and the second engaging convex closure, it should
First base end, which fills up the first engaging convex closure and passes through the perforation, is connected to the notch so that the card slot part is fixed in
The second engaging convex closure is filled up in the first engaging convex closure, the second base end；And
Liftable supporter is set between the keycap and the bottom plate, and one end of the liftable supporter is movable
Ground connects the keycap, and the other end of the liftable supporter is movably connected the card slot part, so that the keycap can be via the liter
Descending branch support arrangement is moved up and down relative to the bottom plate.
As optional technical solution, which includes the first supporting element and the second supporting element, this first
Supporting element be rotationally articulated in the keycap and have sliding part, the sliding part be slidably disposed in the notch so that
First supporting element is slidably connected to the card slot part, which is movably connected in the keycap and can be rotated
Ground is articulated in the bottom plate and intersects pivot joint with first supporting element, so that the keycap can be via the liftable supporter relative to this
Bottom plate moves up and down.
As optional technical solution, which also includes:
Film circuit board, is set on the bottom plate and the corresponding card slot part is with a hole is kept away, so that the card slot part can be worn
It crosses this and keeps away a hole and be fixed on the slot-type openings, which is arranged in the part kept away in a hole and extends toward the film circuit board
It is formed with the padded engaging height being sticked in the notch with the padded sliding part；
Wherein the film circuit board has switch, and when the keycap is pressed, which triggers the switch.
As optional technical solution, which separately has notch, which extends to the slot from the perforation
Type opening, first to engage longitudinally through slot is collectively formed on convex closure at this with the perforation, which fills up this
First engages convex closure and is connected to the notch across the longitudinally through slot so that the card slot part is fixed in first engaging
Convex closure.
As optional technical solution, the notch correspond to this second engaging convex closure position be formed with clamping end with
This, which is clamped, up and down with the second base end second engages convex closure.
The present invention also provides a kind of keyboards, which includes:
Bottom plate, with slot-type openings, the first engaging convex closure and the second engaging convex closure are respectively formed in the slot-type openings
Two sides and opposite to each other, this first engaging convex closure have perforation；And
Multiple keys are set on the bottom plate, and at least one of multiple key includes:
Keycap；
Card slot part is connected to the first engaging convex closure and the second engaging convex closure in a manner of ejection formation with fixation
In on the slot-type openings, which has notch and a firm banking, which distinguishes from the notch
First base end and second base end have been extended to form below toward the first engaging convex closure and the second engaging convex closure,
The first base end, which fills up the first engaging convex closure and passes through the perforation, is connected to the notch so that the card slot part is affixed
In the first engaging convex closure, which fills up the second engaging convex closure；And
Liftable supporter is set between the keycap and the bottom plate, and one end of the liftable supporter is movable
Ground connects the keycap, and the other end of the liftable supporter is movably connected the card slot part, so that the keycap can be via the liter
Descending branch support arrangement is moved up and down relative to the bottom plate.
As optional technical solution, which includes the first supporting element and the second supporting element, this first
Supporting element be rotationally articulated in the keycap and have sliding part, the sliding part be slidably disposed in the notch so that
First supporting element is slidably connected to the card slot part, which is movably connected in the keycap and can be rotated
Ground is articulated in the bottom plate and intersects pivot joint with first supporting element, so that the keycap can be via the liftable supporter relative to this
Bottom plate moves up and down.
As optional technical solution, which also includes:
Film circuit board, is set on the bottom plate and the corresponding card slot part is with a hole is kept away, so that the card slot part can be worn
It crosses this and keeps away a hole and be fixed on the slot-type openings, which is arranged in the part kept away in a hole and extends toward the film circuit board
It is formed with the padded engaging height being sticked in the notch with the padded sliding part；
Wherein the film circuit board has switch, and when the keycap is pressed, which triggers the switch.
As optional technical solution, which separately has notch, which extends to the slot from the perforation
Type opening, first to engage longitudinally through slot is collectively formed on convex closure at this with the perforation, which fills up this
First engages convex closure and is connected to the notch across the longitudinally through slot so that the card slot part is fixed in first engaging
Convex closure.
As optional technical solution, the notch correspond to this second engaging convex closure position be formed with clamping end with
This, which is clamped, up and down with the second base end second engages convex closure.
By above-mentioned design, since card slot part is in addition to filling up the first card via the mode of ejection formation using firm banking
Outside the bond layout for closing convex closure and the second engaging convex closure, perforation more is passed through to be connected to card slot knot using first base end
The perforation connection type of structure, to ensure that card slot part can engage convex closure with first and the second engaging convex closure is fixedly combined, therefore,
The present invention can greatly improve the structure bond strength between engaging convex closure of the card slot part with bottom plate, use and efficiently solve previously
The card slot part that is previously mentioned in technology be easy because caused by user's force is excessive or drawing angle is improper card slot part on engaging convex closure
The problem of pivoting and falling off from bottom plate.
Below in conjunction with the drawings and specific embodiments, the present invention will be described in detail, but not as a limitation of the invention.
Detailed description of the invention
Fig. 1 is the enlarged schematic partial view of the keyboard proposed according to the embodiment of the present invention.
Fig. 2 is the perspective view of the explosion of the key of Fig. 1.
Diagrammatic cross-section of the keyboard along hatching A-A that Fig. 3 is Fig. 1.
Fig. 4 is the partial cutaway schematic view of the keyboard proposed according to another embodiment of the present invention.
Fig. 5 is the card slot part of Fig. 4 and the perspective view of the explosion of bottom plate.
Specific embodiment
To make to have further understanding to the purpose of the present invention, construction, feature and its function, hereby cooperate embodiment detailed
It is described as follows.
Fig. 1, Fig. 2 and Fig. 3 are please referred to, Fig. 1 shows for the part amplification of the keyboard proposed according to the embodiment of the present invention
It is intended to, perspective view of the explosion of the Fig. 2 for the key of Fig. 1, diagrammatic cross-section of the keyboard along hatching A-A that Fig. 3 is Fig. 1, wherein for
Clearly illustrate the internal mechanism design of key, keycap is shown with dotted line in Fig. 1.As shown in Figure 1, Figure 2 and shown in Fig. 3, key
Disk 10 includes bottom plate 12 and multiple keys 14 (only being shown in Fig. 1 with a key 14).Multiple keys 14 are set to bottom plate
For user's pressing on 12, and then execute user's function to be inputted.The affixed design of card slot part proposed by the invention can
Applied to multiple keys 14 at least one on, quantity number is depending on the practical application of keyboard 10, below for it
One of be described with the key 14 of above-mentioned affixed design, set as other using the structure of the keys 14 of same design
Meter, can and so on.
By Fig. 2 and Fig. 3 it is found that bottom plate 12 has slot-type openings 16, the first engaging convex closure 18 and the second engaging convex closure
20 are respectively formed in the two sides (such as being formed in a manner of punching press raising) of slot-type openings 16 and relative to each other, the first engaging convex closure 18
With perforation 22, (perforation 22 is designed in Fig. 2 using circular hole, and but not limited to this, can also change the perforation using other shapes
Design, such as rectangle perforation).Key 14 include keycap 24, at least one card slot part 26 (two are shown in Fig. 2, but not by
This limit) and liftable supporter 28.Card slot part 26 is connected to the first engaging convex closure 18 and second in a manner of ejection formation
Convex closure 20 is engaged to be fixed on slot-type openings 16, and in this embodiment, card slot part 26 has notch 30 and fixed bottom
Seat 32, firm banking 32 engages toward the first engaging convex closure 18 and second respectively from notch 30 to be extended to form below convex closure 20
There are first base end 34 and second base end 36.In this way, by above-mentioned injection molding manufacture procedure, first base end
34 and second base end 36 can fill up the first engaging convex closure 18 and the second engaging convex closure 20, and first base end respectively
Portion 34 may pass through perforation and 22 be connected to notch 30 (as shown in Figure 3), so that card slot part 26 can firmly be fixed in the
One engaging convex closure 18 and the second engaging convex closure 20.In practical applications, notch 30 can be in corresponding second engaging convex closure 20
Position be formed with clamping end 31, whereby, 31 system of clamping end can with about 36 second base end clamp second engage it is convex
Packet 20 engages the structure bond strength between convex closure 20 further to promote card slot part 26 with second.
As for the design aspect in liftable supporter 28, by Fig. 1 to Fig. 3 it is found that liftable supporter 28 is set to key
Between cap 24 and bottom plate 12, one end system of liftable supporter 28 is movably connected keycap 24, liftable supporter 28
The other end is movably connected card slot part 26, and in more detail, in this embodiment, liftable supporter 28 is preferably using cutting
The lifting of knife foot designs (but being not limited) and may include the first supporting element 38 and the second supporting element 40, and the first supporting element 38 can turn
It is articulated in keycap 24 dynamicly and there is sliding part 42, sliding part 42 is slidably disposed in notch 30 so that the first support
Part 38 is slidably connected to card slot part 26, and the second supporting element 40 is movably connected in keycap 24 and is rotationally articulated in
Bottom plate 12 (such as in a manner of articulated part 27 shown in Fig. 2 being articulated on bottom plate 12 by one end of the second supporting element 40) and with
One supporting element 38 intersects pivot joint, and whereby, keycap 24 can be moved up and down via liftable supporter 28 relative to bottom plate 12.
In addition, as shown in FIG. 2 and 3, keyboard 10 can additionally comprise film circuit board 44 in switch triggering design aspect,
Film circuit board 44 has switch 45, in this way, when keycap 24 is pressed, key 14 can compress trigger switch 45 (such as
With elastomer 46 trigger switch 45 shown in Fig. 2 for being used to drive 24 return of keycap) so that key 14 executes corresponding input
Function.It is noted that the position of the corresponding card slot part 26 of film circuit board 44 can in the embodiment with film circuit board 44
With keeping away a hole 48, so that card slot part 26 may pass through and keep away a hole 48 and be fixed on slot-type openings 16, card slot part 26, which is arranged in, keeps away position
48 part has been extended to form padded 50 toward film circuit board 44 and has been sticked in notch 30 with padded sliding part 42 in hole
Engaging height, using ensures that sliding part 42 can be steady during the first supporting element 38 and the second supporting element 40 are pivoted relative to each other
Surely it slides and will not loosen in notch 30.
By above-mentioned design, since card slot part 26 is in addition to filling up via the mode of ejection formation using firm banking 32
One engaging convex closure 18 and second engaging convex closure 20 bond layout outside, more using first base end 34 pass through perforation 22 with
Be connected to the perforation connection type of notch 30 (as shown in Figure 3), with ensure card slot part 26 can with first engage convex closure 18 with
And second engaging convex closure 20 be fixedly combined, therefore, the present invention can greatly improve between engaging convex closure of the card slot part with bottom plate
Structure bond strength, use efficiently solving the card slot part that is previously mentioned in prior art and be easy because user's force is excessive or draws
Pull out angle it is improper cause card slot part to pivot on engaging convex closure and the problem of fall off from bottom plate.
It is noted that card slot part can be not limited to the above embodiments with the bond layout engaged between convex closure, also may be used
Using the design for forming longitudinally through slot on engaging convex closure, for example, please refer to Fig. 4 and Fig. 5, Fig. 4 is according to this
The partial cutaway schematic view for the keyboard 100 that another embodiment is proposed is invented, Fig. 5 is that the explosion of the card slot part and bottom plate of Fig. 4 is shown
Be intended to, in this embodiment and component described in above-described embodiment with identical number person, represent its structure having the same or
Function.As shown in Figure 4 and 5, keyboard 100 includes bottom plate 102 and multiple keys 104, and multiple keys 104 are set to bottom plate
User's function to be inputted is executed for user's pressing on 102, bottom plate 102 has slot-type openings 16, and the first engaging is convex
Packet 106 and second engaging convex closure 20 be respectively formed in slot-type openings 16 two sides and opposite to each other, in this embodiment, first
Engaging convex closure 106 can have perforation 22 (perforation 22 is designed in Fig. 5 using slot, and but not limited to this) and notch
108, notch 108 extends to slot-type openings 16 from perforation 22 and longitudinal direction is collectively formed on convex closure 106 to engage with perforation 22 first
Penetrate through slot 110.In this way, as shown in Figure 4, by injection molding manufacture procedure, the first base end 34 of firm banking 32 with
And second base end 36 can fill up the first engaging convex closure 106 and the second engaging convex closure 20, and first base end respectively
34, which may pass through longitudinally through slot 110, is connected to notch 30, so that card slot part 26 can firmly be fixed in the first card
Close convex closure 106 and the second engaging convex closure 20.As for other associated descriptions (such as second engaging convex closure for keyboard 100
Clamping end design, padded design of the lifting supported design of key, card slot part etc.), it can refer to above-described embodiment and analogize, in
This is repeated no more.
By above-mentioned design, since card slot part is in addition to filling up the first card via the mode of ejection formation using firm banking
Outside the bond layout for closing convex closure and the second engaging convex closure, perforation more is passed through to be connected to card slot knot using first base end
The perforation connection type of structure, to ensure that card slot part can engage convex closure with first and the second engaging convex closure is fixedly combined, therefore,
The present invention can greatly improve the structure bond strength between engaging convex closure of the card slot part with bottom plate, use and efficiently solve previously
The card slot part that is previously mentioned in technology be easy because caused by user's force is excessive or drawing angle is improper card slot part on engaging convex closure
The problem of pivoting and falling off from bottom plate.
Certainly, the present invention can also have other various embodiments, without deviating from the spirit and substance of the present invention, ripe
Various corresponding changes and modifications, but these corresponding changes and modifications can be made according to the present invention by knowing those skilled in the art
All it should fall within the scope of protection of the appended claims of the present invention.
Claims (10)
1. a kind of key, which is characterized in that the key includes keycap；
Bottom plate, with slot-type openings, the first engaging convex closure and the second engaging convex closure are respectively formed in the two of the slot-type openings
Side and opposite to each other, this first engaging convex closure have perforation；
Card slot part is connected to the first engaging convex closure and the second engaging convex closure in a manner of ejection formation to be fixed on this
On slot-type openings, which has notch and a firm banking, the firm banking from the notch respectively toward this
First base end and second base end are extended to form below one engaging convex closure and the second engaging convex closure, this first
Base end fill up the first engaging convex closure and pass through the perforation be connected to the notch so that the card slot part be fixed in this
The second engaging convex closure is filled up in one engaging convex closure, the second base end；And
Liftable supporter is set between the keycap and the bottom plate, and one end of the liftable supporter movably connects
Connect the keycap, the other end of the liftable supporter is movably connected the card slot part, so that the keycap can be via the lifting branch
Support arrangement is moved up and down relative to the bottom plate.
2. key as described in claim 1, which is characterized in that the liftable supporter includes the first supporting element and second
Support member, first supporting element are rotationally articulated in the keycap and have sliding part, which is slidably disposed in the card
So that first supporting element is slidably connected to the card slot part in slot structure, which is movably connected in the key
It cap and is rotationally articulated in the bottom plate and intersects pivot joint with first supporting element, so that the keycap can be supported via the lifting
Device is moved up and down relative to the bottom plate.
3. key as described in claim 1, which is characterized in that the key also includes:
Film circuit board, is set on the bottom plate and the corresponding card slot part is with a hole is kept away, so that the card slot part may pass through this
It keeps away a hole to be fixed on the slot-type openings, which is arranged in the part kept away in a hole and extends to form toward the film circuit board
There is the padded engaging height being sticked in the notch with the padded sliding part；
Wherein the film circuit board has switch, and when the keycap is pressed, which triggers the switch.
4. key as described in claim 1, which is characterized in that the first engaging convex closure separately has notch, which wears from this
Hole extends to the slot-type openings, first to engage longitudinally through slot be collectively formed on convex closure at this with the perforation, first bottom
Seat end, which fills up the first engaging convex closure and passes through the longitudinally through slot, is connected to the notch so that the card slot part is affixed
In the first engaging convex closure.
5. key as described in claim 1, which is characterized in that the position that the notch corresponds to the second engaging convex closure is formed
There is clamping end second to engage convex closure to clamp this up and down with the second base end.
6. a kind of keyboard, which is characterized in that the keyboard includes:
Bottom plate, with slot-type openings, the first engaging convex closure and the second engaging convex closure are respectively formed in the two of the slot-type openings
Side and opposite to each other, this first engaging convex closure have perforation；And
Multiple keys are set on the bottom plate, and at least one of multiple key includes:
Keycap；
Card slot part is connected to the first engaging convex closure and the second engaging convex closure in a manner of ejection formation to be fixed on this
On slot-type openings, which has notch and a firm banking, which is somebody's turn to do from the notch is past respectively
First base end and second base end are extended to form below first engaging convex closure and the second engaging convex closure, this
One base end, which fills up the first engaging convex closure and passes through the perforation, is connected to the notch so that the card slot part is fixed in this
The second engaging convex closure is filled up in first engaging convex closure, the second base end；And
Liftable supporter is set between the keycap and the bottom plate, and one end of the liftable supporter movably connects
Connect the keycap, the other end of the liftable supporter is movably connected the card slot part, so that the keycap can be via the lifting branch
Support arrangement is moved up and down relative to the bottom plate.
7. keyboard as claimed in claim 6, which is characterized in that the liftable supporter includes the first supporting element and second
Support member, first supporting element are rotationally articulated in the keycap and have sliding part, which is slidably disposed in the card
So that first supporting element is slidably connected to the card slot part in slot structure, which is movably connected in the key
It cap and is rotationally articulated in the bottom plate and intersects pivot joint with first supporting element, so that the keycap can be supported via the lifting
Device is moved up and down relative to the bottom plate.
8. keyboard as claimed in claim 6, which is characterized in that the keyboard also includes:
Film circuit board, is set on the bottom plate and the corresponding card slot part is with a hole is kept away, so that the card slot part may pass through this
It keeps away a hole to be fixed on the slot-type openings, which is arranged in the part kept away in a hole and extends to form toward the film circuit board
There is the padded engaging height being sticked in the notch with the padded sliding part；
Wherein the film circuit board has switch, and when the keycap is pressed, which triggers the switch.
9. keyboard as claimed in claim 6, which is characterized in that the first engaging convex closure separately has notch, which wears from this
Hole extends to the slot-type openings, first to engage longitudinally through slot be collectively formed on convex closure at this with the perforation, first bottom
Seat end, which fills up the first engaging convex closure and passes through the longitudinally through slot, is connected to the notch so that the card slot part is affixed
In the first engaging convex closure.
10. keyboard as claimed in claim 6, which is characterized in that the notch corresponds to the position shape of the second engaging convex closure
At there is clamping end second to engage convex closure to clamp this up and down with the second base end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910033886.2A CN109767946B (en) | 2019-01-15 | 2019-01-15 | keys and their keyboards |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910033886.2A CN109767946B (en) | 2019-01-15 | 2019-01-15 | keys and their keyboards |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109767946A true CN109767946A (en) | 2019-05-17 |
| CN109767946B CN109767946B (en) | 2020-03-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910033886.2A Active CN109767946B (en) | 2019-01-15 | 2019-01-15 | keys and their keyboards |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111312547A (en) * | 2019-06-18 | 2020-06-19 | 光宝电子(广州)有限公司 | Key module, keyboard applying same and electronic device |
| CN111508750A (en) * | 2019-06-18 | 2020-08-07 | 光宝电子(广州)有限公司 | Key structure |
| CN112117150A (en) * | 2019-06-19 | 2020-12-22 | 群光电子股份有限公司 | Keyboard device |
| CN112420427A (en) * | 2020-01-02 | 2021-02-26 | 光宝电子(广州)有限公司 | Key structure |
| CN113471003A (en) * | 2020-03-31 | 2021-10-01 | 重庆达方电子有限公司 | Key cap and key structure |
| US12131874B2 (en) | 2020-03-31 | 2024-10-29 | Darfon Electronics Corp. | Keyswitch support connection structure and keyswitch structure therewith |
| TWI881818B (en) * | 2024-05-03 | 2025-04-21 | 達方電子股份有限公司 | Keyswitch |
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| CN111312547B (en) * | 2019-06-18 | 2023-08-04 | 光宝电子(广州)有限公司 | Key module, keyboard and electronic device using same |
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| CN112420427A (en) * | 2020-01-02 | 2021-02-26 | 光宝电子(广州)有限公司 | Key structure |
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