CN202678165U - Key and keyboard - Google Patents
Key and keyboard Download PDFInfo
- Publication number
- CN202678165U CN202678165U CN 201220251934 CN201220251934U CN202678165U CN 202678165 U CN202678165 U CN 202678165U CN 201220251934 CN201220251934 CN 201220251934 CN 201220251934 U CN201220251934 U CN 201220251934U CN 202678165 U CN202678165 U CN 202678165U
- Authority
- CN
- China
- Prior art keywords
- strutting piece
- keycap
- base plate
- guide groove
- button
- 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.)
- Expired - Fee Related
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- Input From Keyboards Or The Like (AREA)
- Push-Button Switches (AREA)
Abstract
The utility model discloses a key and a keyboard. The key comprises a key cap, a bottom plate, a first support piece, a second support piece and blocking arms. A first horizontal guide slot, a second horizontal guide slot and a vertical guide slot are formed on the guide slot structure of the bottom plate. The first support piece and the second support piece can be movably connected onto the key cap. The first guide rod and the first pivoting part of the first support piece can be respectively movably arranged inside the first horizontal guide slot and the vertical guide slot. The second guide rod of the second support piece can be movably arranged inside the second horizontal guide slot. The second pivoting part of the second support piece and the first pivoting part are mutually pivoted and can be movably arranged inside the vertical guide slot. The blocking arms are formed on the first support piece for abutting against protruding bending arms of the bottom plate. When the key cap moves relatively to the bottom plate, the first pivoting part and the second pivoting part slide vertically along the vertical guide slots, and the first guide rod and the second guide rod respectively slide horizontally along the first horizontal guide slot and the second horizontal guide slot. Therefore, the overall height of the key can be effectively reduced and application of a slim keyboard can be facilitated.
Description
Technical field
The utility model is about a kind of button and keyboard, espespecially a kind of articulated section that utilizes strutting piece mutually articulate and along vertical guide groove of the guide barrel construction of base plate vertical slide and the guide rod of strutting piece along the design of the horizontal guide groove horizontal slip of guide barrel construction with the button that replaces the scissor mechanism design and the keyboard of using it.
Background technology
With regard to the use habit of present PC, keyboard is one of indispensable input equipment, in order to input characters, symbol or numeral.Moreover, the consumption electronic products of everyday life contact or the large-sized processing equipment of industrial quarters use all need be provided with press-key structure as input unit, to operate above-mentioned electronic product and process equipment such as.
See also Fig. 1, it is the profile of the button 1 of prior art.As shown in Figure 1, button 1 comprises base plate 10, keycap 12, circuit board 14, liftable supporter 16 and elastic component 18.Circuit board 14 is arranged on the base plate 10.Liftable supporter 16 is arranged between keycap 12 and the base plate 10, in order to support keycap 12.Elastic component 18 also is arranged between keycap 12 and the base plate 10, thus, after keycap 12 is pressed by the user, the switch 15 on the triggering section 19 meeting circuits for triggering plates 14 of elastic component 18, and then carry out the function that user institute wish is inputted.
Yet, because scissor mechanism design as shown in Figure 1 can cause the larger height space of liftable supporter 16 needs, thereby further limit the height of button 1, therefore be unfavorable for the application of keyboard slimming.
The utility model content
One of the purpose of this utility model be to provide a kind of articulated section that utilizes strutting piece mutually to articulate and along vertical guide groove of the guide barrel construction of base plate vertical slide and the guide rod of strutting piece along the design of the horizontal guide groove horizontal slip of guide barrel construction with the button that replaces the scissor mechanism design and the keyboard of using it, use solving the above problems.
According to an embodiment, the utility model provides a kind of button, and it comprises: keycap, base plate, the first strutting piece, the second strutting piece and catch arm.This base plate has at least one guide barrel construction and at least one outstanding bent over arms, is formed with the first horizontal guide groove, the second horizontal guide groove on this guide barrel construction, and vertical guide groove; This first strutting piece is movably connected and has the first guide rod and the first articulated section in this keycap and this first strutting piece, and this first guide rod is arranged in this first horizontal guide groove movably, and this first articulated section is arranged in this vertical guide groove movably; This second strutting piece is movably connected and has the second guide rod and the second articulated section in this keycap and this second strutting piece, this second guide rod is arranged in this second horizontal guide groove movably, and this second articulated section and this first articulated section mutually articulate and are arranged at movably in this vertical guide groove; This catch arm extends to form on this first strutting piece, and being used for when this keycap moves to the off-position butt should outstanding bent over arms, to limit this first strutting piece and this second strutting piece moving relative to this base plate; Wherein, when this keycap when this base plate moves between pressing position and this off-position, slide vertically along this vertical guide groove in this first articulated section and this second articulated section, and this first guide rod and this second guide rod horizontally slip along this first horizontal guide groove and this second horizontal guide groove level respectively.
According to described button, this first strutting piece and this second strutting piece are symmetrical structure.
According to described button, this base plate to should the first articulated section and the position that mutually articulates, this second articulated section on have in addition the backstop bump, this backstop bump be used for when this keycap moves to this off-position this first articulated section of butt and this second articulated section at least one of them, to limit this first strutting piece and this second strutting piece moving relative to this base plate.
According to described button, this keycap has the first chute and the second chute, this first strutting piece has the first connecting portion in addition, this second strutting piece has the second connecting portion in addition, this first connecting portion is arranged in this first chute movably, and this second connecting portion is arranged in this second chute movably.
According to described button, also comprise elastic component, it is arranged between this base plate and this keycap.
According to described button, also comprise circuit board, it is arranged on this base plate.
According to an embodiment, the utility model provides a kind of keyboard, and it comprises a plurality of buttons, and at least one of them button of these a plurality of buttons is above-mentioned button.
According to an embodiment, the utility model provides a kind of button, and it comprises: keycap, base plate, the first strutting piece, the second strutting piece and catch arm.This base plate has at least one guide barrel construction and at least one outstanding bent over arms, is formed with the first guide groove and the second guide groove on this guide barrel construction; This first strutting piece has the first guide rod and is movably connected in this keycap, and this first guide rod is articulated in this first guide groove movably; This second strutting piece has the second guide rod, this second strutting piece is movably connected and can relatively engages actively in this keycap and with this first strutting piece, this second guide rod is arranged in this second guide groove movably, uses so that this keycap moves between pressing position and off-position relative to this base plate; This catch arm extends to form on this first strutting piece, and being used for when this keycap moves to this off-position butt should outstanding bent over arms, to limit this first strutting piece and this second strutting piece moving relative to this base plate.
According to described button, this base plate to should the first strutting piece and the position that is bonded with each other of this second strutting piece on have in addition the backstop bump, this backstop bump be used for when this keycap moves to this pressing position this first strutting piece of butt and this second strutting piece at least one of them, to limit this first strutting piece and this second strutting piece moving relative to this base plate.
According to described button, this keycap has the first chute and the second chute, this first strutting piece has the first connecting portion in addition, this second strutting piece has the second connecting portion in addition, this first connecting portion is arranged in this first chute movably, and this second connecting portion is arranged in this second chute movably.
According to described button, also comprise elastic component, it is arranged between this base plate and this keycap.
According to described button, also comprise circuit board, it is arranged on this base plate.
According to an embodiment, the utility model provides a kind of keyboard, and it comprises a plurality of buttons, and at least one of them button of these a plurality of buttons is above-mentioned button.
In sum, utilize above-mentioned strutting piece to be design that V-shape structure and the guide groove on the guide barrel construction slide to replace the scissor mechanism design of prior art, add the butt backstop design of the outstanding bent over arms of the catch arm of strutting piece and base plate, the utility model can reduce button needed height space and effect of producing the lifting height of restriction keycap on the configuration liftable supporter effectively, thereby reduce further the whole height of button, in order to the application of keyboard slimming.
Can be further understood by following execution mode and accompanying drawing about advantage of the present utility model and spirit.
Description of drawings
Fig. 1 is the profile of the button of prior art.
Fig. 2 is the schematic diagram according to the keyboard of the utility model one embodiment.
Fig. 3 is that the button of Fig. 2 is along the profile of hatching X-X.
Fig. 4 is that the button of Fig. 3 is arranged at the stereogram on the base plate.
Fig. 5 is the profile that the keycap of Fig. 3 moves to pressing position.
Embodiment
See also Fig. 2, it is the schematic diagram according to the keyboard 100 of the utility model one embodiment.As shown in Figure 2, keyboard 100 comprises a plurality of buttons 102, circuit board 104, and base plate 106.Button 102 and circuit board 104 all are arranged on the base plate 106.Button 102 usefulness are pressed for the user, and then carry out the function of user institute wish input.In this embodiment, keyboard 100 can be slimming keyboard (slim keyboard), and button 102 can be the slimming button, but not as limit.The first strutting piece that the utility model proposes and the second strutting piece articulate mutually and the key stroke limit design of the outstanding bent over arms of the catch arm butt base plate of the button lifting design that cooperatively interacts with guide barrel construction and the first strutting piece can be applicable at least on one of them of a plurality of buttons 102, its quantity number is looked closely the practical application of keyboard 100 and is decided, below be described for one of them button 102 with this design, as for other structural designs with button 102 of same design, it is can be by that analogy.
See also Fig. 3 and Fig. 4, Fig. 3 is that the button 102 of Fig. 2 is along the profile of hatching X-X, Fig. 4 is that the button 102 of Fig. 3 is arranged at the stereogram on the base plate 106, wherein for asking the internal structure design of knowing display button 102, in Fig. 4, only show the combination of base plate 106 and the first strutting piece 114 and the second strutting piece 116.Such as Fig. 3 and shown in Figure 4, base plate 106 has at least one guide barrel construction 108 and (respectively disposes one in the both sides of corresponding button 102 in Fig. 4, but not limit by this) and at least one outstanding bent over arms 110 (in Fig. 4, show four, but not limit by this), button 102 comprises keycap 112, the first strutting piece 114, the second strutting piece 116, and the catch arm 118 of corresponding outstanding bent over arms 110.Be formed with the first horizontal guide groove 120, the second horizontal guide groove 122 on the guide barrel construction 108, and vertical guide groove 124.Keycap 112 has the first chute 126 and the second chute 128.
Be described in detail in this structural design for the first strutting piece 114 and the second strutting piece 116.Such as Fig. 3 and shown in Figure 4, the first strutting piece 114 has the first guide rod 130, the first articulated section 132, and first connecting portion 134, the second strutting piece 116 has the second guide rod 136, the second articulated section 138, and second connecting portion 140, wherein in this embodiment, the first strutting piece 114 and the second strutting piece 116 preferably are symmetrical structure, use structural design and the relative supports moulding manufacturing cost thereof of simplifying button 102.The first guide rod 130 is arranged in the first horizontal guide groove 120 movably, and the first articulated section 132 is arranged in vertical guide groove 124 movably, and the first connecting portion 134 is arranged in the first chute 126 movably.The second guide rod 136 is arranged in the second horizontal guide groove 122 movably, and the second articulated section 138 and the first articulated section 132 mutually articulate and be arranged at movably in vertical guide groove 124, and the second connecting portion 140 is arranged in the second chute 128 movably.
In addition, as shown in Figure 4, base plate 106 can preferably have four outstanding bent over arms 110, button 102 then is to comprise four corresponding catch arm 118, for asking simplified illustration, below only describe for the outstanding bent over arms 110 of base plate 106 and the design of the catch arm 118 on the first strutting piece 114, as for the design of outstanding bent over arms 110 and the catch arm 118 on the second strutting piece 116 of base plate 106, it is by that analogy, to repeat no more in this.In this embodiment, catch arm 118 extends to form on the first strutting piece 114, by this, catch arm 118 can be when keycap 112 moves to as shown in Figure 3 off-position, butt is lived outstanding bent over arms 110 (as shown in Figure 4), to limit the first strutting piece 114 and the second strutting piece 116 moving relative to base plate 106.See through above-mentioned design, if occur the design requirement that to adjust for the lifting height of keycap, the utility model can utilize the mode of the structure height of the outstanding bent over arms on the direct change base plate to adjust the lifting height of keycap, thus, owing to need not change the structure of strutting piece, therefore, the utility model can reduce button at the structure sharing nature of adjusting the required processing procedure time of expending and cost on the keycap lifting height and promoting further strutting piece and keycap.
In practical application, button 102 can include elastic component 142 (being represented by dotted lines) in addition in Fig. 3 and Fig. 5, elastic component 142 is arranged between keycap 112 and the base plate 106, required elastic force source when moving up and down as keycap 112 relative base plates 106, wherein, elastic component 142 can preferably be rubber washer (rubber dome), but not as limit.In this embodiment, circuit board 104 can be film circuit board, flexible circuit board or printed circuit board (PCB), have the switch (not shown) corresponding with button 102 on the circuit board 104, for example thin film switch (membrane switch) or other triggering property switch.When the keycap 112 of button 102 is pressed, the switch on the elastic component 142 meeting circuits for triggering plates 104, and then carry out the function that user institute wish is inputted.
In addition, in order more positively to control the lifting height of keycap 112, can have in addition a backstop bump 144 (as shown in Figure 3) on the position that base plate 106 corresponding the first articulated sections 132 and the second articulated section 138 articulate mutually, backstop bump 144 is used for when keycap 112 moves to as shown in Figure 3 off-position, butt live the second articulated section 138 and the first articulated section 132 at least one of them, limiting the first strutting piece 114 and the second strutting piece 116 relative to the moving of base plate 106, thus the effect of the lifting height of performance restriction keycap 112.
Via above-mentioned configuration, when keycap 112 is pressed, the first articulated section 132 and the second articulated section 138 will pivot accordingly and jointly along the longitudinal guide groove 124 slide vertically upward, the first guide rod 130 also can slide left along the first horizontal guide groove 120 levels, the second guide rod 136 then is to slide to the right along the second horizontal guide groove 122 levels, adding the first connecting portion 134 and the second connecting portion 140 can slide in the first chute 126 and the second chute 128 respectively accordingly, by this, keycap 112 can successfully be pressed into pressing position as shown in Figure 5, and then press down elastic component 142 with the switch of circuits for triggering plate 104, and seeing through the mode of elastic component 142 trigger switches, keyboard 100 can be carried out the function of user institute wish input according to this.
On the other hand, when keycap 112 no longer was pressed, the elastic force that elastic component 142 provides can promote keycap 112 and get back to as shown in Figure 3 off-position from pressing positions as shown in Figure 5, thereby but reached the purpose of button 102 self-returns.In this process, by Fig. 3 and Fig. 5 as can be known, the first articulated section 132 and the second articulated section 138 will pivot accordingly and jointly along the longitudinal 124 guide grooves slide vertically downward, the first guide rod 130 also can slide to the right along the first horizontal guide groove 120 levels, the second guide rod 136 then is to slide left along the second horizontal guide groove 122 levels, adding the first connecting portion 134 and the second connecting portion 140 can slide in the first chute 126 and the second chute 128 respectively accordingly, by this, keycap 112 can successfully be repositioned to off-position as shown in Figure 3.
It is worth mentioning that, in another embodiment, the design of the interlock of the first strutting piece and the second strutting piece can be not limited to mentioned the articulating each other and the along the longitudinal guide groove design of sliding vertically of above-described embodiment, it also can change and adopts other to be common in the structural design with similar interlock effect in the prior art, for instance, the first strutting piece and the second strutting piece can have the gear part that can cooperatively interact and produce the interlock effect in intermeshing mode, other associated description (such as the butt backstop design of catch arm and outstanding bent over arms) as in this embodiment the first strutting piece and the second strutting piece and base plate, it can be analogized with reference to above-described embodiment, repeats no more in this.Should be noted, use other interlock designs to replace the first strutting piece and the second strutting piece articulates each other and the embodiment of the along the longitudinal guide groove design of sliding vertically in, guide rod on the strutting piece can be not limited to the design that the mentioned level of above-described embodiment horizontally slips along the glide direction of the guide groove on the guide barrel construction, for instance, adopting the first strutting piece and the second strutting piece to utilize among the embodiment that the intermeshing mode of said gear is bonded with each other, can change on the guide barrel construction and be formed with according to the motion track of the first strutting piece and the second strutting piece and corresponding base plate is obliquely installed to guide the first guide groove and second guide groove of the slip of the guide rod on the first strutting piece and the second strutting piece, use the more steady and smooth that moves up and down that makes keycap.
In sum, utilize above-mentioned strutting piece to be design that V-shape structure and the guide groove on the guide barrel construction slide to replace the scissor mechanism design of prior art, add the butt backstop design of the outstanding bent over arms of the catch arm of strutting piece and base plate, the utility model can reduce button needed height space and effect of producing the lifting height of restriction keycap on the configuration liftable supporter effectively, thereby reduce further the whole height of button, in order to the application of keyboard slimming.
The above only is preferred embodiment of the present utility model, and all equalizations of doing according to the utility model claim change and modify, and all should belong to covering scope of the present utility model.
Claims (13)
1. button is characterized in that comprising:
Keycap;
Base plate, it has at least one guide barrel construction and at least one outstanding bent over arms, is formed with the first horizontal guide groove, the second horizontal guide groove and vertical guide groove on this guide barrel construction;
The first strutting piece, it is movably connected and has the first guide rod and the first articulated section in this keycap and this first strutting piece, and this first guide rod is arranged in this first horizontal guide groove movably, and this first articulated section is arranged in this vertical guide groove movably;
The second strutting piece, it is movably connected and has the second guide rod and the second articulated section in this keycap and this second strutting piece, this second guide rod is arranged in this second horizontal guide groove movably, and this second articulated section and this first articulated section mutually articulate and are arranged at movably in this vertical guide groove; And
Catch arm, it extends to form on this first strutting piece, and being used for when this keycap moves to the off-position butt should outstanding bent over arms, to limit this first strutting piece and this second strutting piece moving relative to this base plate;
Wherein, when this keycap when this base plate moves between pressing position and this off-position, slide vertically along this vertical guide groove in this first articulated section and this second articulated section, and this first guide rod and this second guide rod horizontally slip along this first horizontal guide groove and this second horizontal guide groove level respectively.
2. button according to claim 1, it is characterized in that: this first strutting piece and this second strutting piece are symmetrical structure.
3. button according to claim 1, it is characterized in that: this base plate to should the first articulated section and the position that mutually articulates, this second articulated section on have in addition the backstop bump, this backstop bump be used for when this keycap moves to this off-position this first articulated section of butt and this second articulated section at least one of them, to limit this first strutting piece and this second strutting piece moving relative to this base plate.
4. button according to claim 1, it is characterized in that: this keycap has the first chute and the second chute, this first strutting piece has the first connecting portion in addition, this second strutting piece has the second connecting portion in addition, this first connecting portion is arranged in this first chute movably, and this second connecting portion is arranged in this second chute movably.
5. button according to claim 1, it is characterized in that also comprising: elastic component, it is arranged between this base plate and this keycap.
6. button according to claim 1, it is characterized in that also comprising: circuit board, it is arranged on this base plate.
7. keyboard, it is characterized in that comprising: a plurality of buttons, at least one of them button of these a plurality of buttons are the described button of any one in the claim 1 to 6.
8. button is characterized in that comprising:
Keycap;
Base plate, it has at least one guide barrel construction and at least one outstanding bent over arms, is formed with the first guide groove and the second guide groove on this guide barrel construction;
The first strutting piece, it has the first guide rod, and this first strutting piece is movably connected in this keycap, and this first guide rod is articulated in this first guide groove movably;
The second strutting piece, it has the second guide rod, this second strutting piece is movably connected and can relatively engages actively in this keycap and with this first strutting piece, this second guide rod is arranged in this second guide groove movably, uses so that this keycap moves between pressing position and off-position relative to this base plate; And
Catch arm, it extends to form on this first strutting piece, and being used for when this keycap moves to this off-position butt should outstanding bent over arms, to limit this first strutting piece and this second strutting piece moving relative to this base plate.
9. button according to claim 8, it is characterized in that: this base plate to should the first strutting piece and the position that is bonded with each other of this second strutting piece on have in addition the backstop bump, this backstop bump be used for when this keycap moves to this pressing position this first strutting piece of butt and this second strutting piece at least one of them, to limit this first strutting piece and this second strutting piece moving relative to this base plate.
10. button according to claim 8, it is characterized in that: this keycap has the first chute and the second chute, this first strutting piece has the first connecting portion in addition, this second strutting piece has the second connecting portion in addition, this first connecting portion is arranged in this first chute movably, and this second connecting portion is arranged in this second chute movably.
11. button according to claim 8 is characterized in that also comprising: elastic component, it is arranged between this base plate and this keycap.
12. button according to claim 8 is characterized in that also comprising: circuit board, it is arranged on this base plate.
13. a keyboard is characterized in that comprising: a plurality of buttons, at least one of them button of these a plurality of buttons are the described button of any one in the claim 8 to 12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220251934 CN202678165U (en) | 2012-05-31 | 2012-05-31 | Key and keyboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220251934 CN202678165U (en) | 2012-05-31 | 2012-05-31 | Key and keyboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202678165U true CN202678165U (en) | 2013-01-16 |
Family
ID=47499049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220251934 Expired - Fee Related CN202678165U (en) | 2012-05-31 | 2012-05-31 | Key and keyboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202678165U (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105206458A (en) * | 2015-08-07 | 2015-12-30 | 苏州达方电子有限公司 | Key and keyboard |
| CN105448566A (en) * | 2015-10-19 | 2016-03-30 | 精元电脑股份有限公司 | Dual-seesaw supporting mechanism and thin word key |
| CN108010777A (en) * | 2017-10-31 | 2018-05-08 | 群光电子(苏州)有限公司 | A kind of double-strand chain elevating mechanism |
| CN108878182A (en) * | 2015-05-07 | 2018-11-23 | 光宝科技股份有限公司 | Press-key structure |
| CN109036889A (en) * | 2017-06-09 | 2018-12-18 | 光宝科技股份有限公司 | Press-key structure |
| CN110444430A (en) * | 2019-05-03 | 2019-11-12 | 苏州达方电子有限公司 | Press-key structure |
| CN110571084A (en) * | 2019-05-31 | 2019-12-13 | 苏州达方电子有限公司 | Key structure |
| US10509483B2 (en) | 2015-05-07 | 2019-12-17 | Lite-On Technology Corporation | Key structure |
| TWI725651B (en) * | 2019-12-05 | 2021-04-21 | 達方電子股份有限公司 | Keyswitch |
| US11264186B2 (en) | 2019-04-11 | 2022-03-01 | Darfon Electronics Corp. | Keyswitch structure |
| US11538644B2 (en) | 2019-04-11 | 2022-12-27 | Darfon Electronics Corp. | Keyswitch structure |
-
2012
- 2012-05-31 CN CN 201220251934 patent/CN202678165U/en not_active Expired - Fee Related
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10509483B2 (en) | 2015-05-07 | 2019-12-17 | Lite-On Technology Corporation | Key structure |
| CN108878182A (en) * | 2015-05-07 | 2018-11-23 | 光宝科技股份有限公司 | Press-key structure |
| CN108878182B (en) * | 2015-05-07 | 2020-03-03 | 光宝科技股份有限公司 | Key structure |
| CN105206458A (en) * | 2015-08-07 | 2015-12-30 | 苏州达方电子有限公司 | Key and keyboard |
| CN105448566A (en) * | 2015-10-19 | 2016-03-30 | 精元电脑股份有限公司 | Dual-seesaw supporting mechanism and thin word key |
| CN109036889A (en) * | 2017-06-09 | 2018-12-18 | 光宝科技股份有限公司 | Press-key structure |
| CN108010777A (en) * | 2017-10-31 | 2018-05-08 | 群光电子(苏州)有限公司 | A kind of double-strand chain elevating mechanism |
| US11538644B2 (en) | 2019-04-11 | 2022-12-27 | Darfon Electronics Corp. | Keyswitch structure |
| US11264186B2 (en) | 2019-04-11 | 2022-03-01 | Darfon Electronics Corp. | Keyswitch structure |
| CN110444429B (en) * | 2019-05-03 | 2021-06-08 | 苏州达方电子有限公司 | Key structure |
| CN110444429A (en) * | 2019-05-03 | 2019-11-12 | 苏州达方电子有限公司 | Press-key structure |
| CN110444428A (en) * | 2019-05-03 | 2019-11-12 | 苏州达方电子有限公司 | Press-key structure |
| CN110444428B (en) * | 2019-05-03 | 2022-04-19 | 苏州达方电子有限公司 | Key structure |
| CN110444430B (en) * | 2019-05-03 | 2022-06-10 | 苏州达方电子有限公司 | Key structure |
| CN110444430A (en) * | 2019-05-03 | 2019-11-12 | 苏州达方电子有限公司 | Press-key structure |
| CN110571084A (en) * | 2019-05-31 | 2019-12-13 | 苏州达方电子有限公司 | Key structure |
| CN110571084B (en) * | 2019-05-31 | 2023-10-13 | 苏州达方电子有限公司 | Key structure |
| TWI725651B (en) * | 2019-12-05 | 2021-04-21 | 達方電子股份有限公司 | Keyswitch |
| US11551890B2 (en) | 2019-12-05 | 2023-01-10 | Darfon Electronics Corp. | Keyswitch preventing lateral sliding |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130116 Termination date: 20210531 |
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| CF01 | Termination of patent right due to non-payment of annual fee |