CN101556872A - Keyboard device formed by multi-axis balancing touch keys - Google Patents
Keyboard device formed by multi-axis balancing touch keys Download PDFInfo
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- CN101556872A CN101556872A CNA2008100904250A CN200810090425A CN101556872A CN 101556872 A CN101556872 A CN 101556872A CN A2008100904250 A CNA2008100904250 A CN A2008100904250A CN 200810090425 A CN200810090425 A CN 200810090425A CN 101556872 A CN101556872 A CN 101556872A
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- 230000009471 action Effects 0.000 claims description 38
- 230000000694 effects Effects 0.000 claims description 3
- 230000002452 interceptive effect Effects 0.000 claims description 2
- 238000009987 spinning Methods 0.000 description 4
- 230000008034 disappearance Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
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Abstract
The invention provides a keyboard device formed by multi-axis balancing touch keys, in particular to a keyboard device formed by touch keys with press stability, wherein each of the touch keys comprises a press plate, a touch switch, a base and a plurality of balancing components, the balancing components are respectively clamped on a first limit component of the press plate and a second limit component of the base in a mode of distribution in two different axial directions, at least one of the first limit component and the second limit component is provided with a horizontal groove, so that the balancing components can slip in parallel with the press plate, down pressure is uniformly distributed and the press stability can be kept even though any position of the touch keys is pressed. The invention can effectively prevent the touch keys from shaking when being pressed, so that the keyboard device can accurately output signals.
Description
Technical field
The present invention relates to a kind of key board unit, relate in particular to the key board unit that a kind of multi-axis balancing touch keys constitutes, constituted by the touch controlled key of pushing stability, no matter push any position on the touch controlled key for the user, can both keep the stability of pushing, swag phenomenon takes place when effectively preventing to push touch controlled key, and makes correctly output signal of key board unit.
Background technology
The progress of computer technology, containing property to people's life enlarges day by day, and various new-type input modes constantly are developed (as phonetic entry, handwriting identification input etc.), the input interface that wherein meets most human demand, still formed based on computor-keyboard, and by a plurality of button, and its structure is established a key post to push a conductive rubber in the bottom center of a keycap, described conductive rubber and thin film circuit are connected, with transmission as signal; But when keying in button fast, sometimes only press the edge or the side angle of keycap because of the user, the key post can't be pressed down smoothly by circuit passband, and fail the correct execution input operation, for addressing the above problem, industry also proposes many schemes, for example No. the 85205282nd, Taiwan patent (calling preceding case in the following text), it utilizes interleaved mode to connect four end points of described keycap respectively, to solve the existing disappearance that is taken place.
When though above-mentioned patent can avoid its button of keyboard to push, have keycap and push situation generation improperly, very numerous and diverse because of its structure, cause to produce and go up a lot of inconvenience, and the also significantly reduction of various its yield of the assembly of a plurality of buttons.
And the structure of button also because of being extensive use of of Trackpad, brought suitable convenience, and in function of use constantly increased, the usable floor area of its Trackpad was also along with increase on the button of touch; Yet the action element below Trackpad may not perform corresponding configuration, make and push each difference on the described Trackpad by the induction power of nip, but exist the uneven problem of pushing, particularly after the Trackpad area strengthens, can produce the situation of rocking when pushing.
Summary of the invention
Purpose of the present invention can be guaranteed to stablize the vertical pressing contact-making switch by bond energy at the key board unit that provides a kind of multi-axis balancing touch keys to constitute, and pushes diverse location and can produce different output signals.
Key board unit of the present invention comprises at least one touch controlled key, described touch controlled key comprise one have Trackpad by locating back, a contact-making switch, a base and a plurality of balancing component, described a plurality of balancing component is located at described by between locating back and the base, to divide equally the total weight of described touch controlled key, wherein:
The described locating back of pressing, its bottom surface are provided with a plurality of first limit elements, and it is with two different axially-aligned, and each axially respectively is provided with at least one first limit element;
Described contact-making switch, the described bottom surface of pushing the plane of normality ejection;
Described base which is provided with a plurality of second limit elements, and it is with two different axially-aligned, and each axially respectively is provided with at least one second limit element;
Described a plurality of balancing component, be distributed in two be different axially on, its each balancing component is one to be the element of ㄇ shape, the jag of the stock of its upper end and end blocks separately to be held in the mouth in described first limit element and second limit element, and described first limit element, have at least one to have horizontal channel in second limit element, do to be parallel to described slippage for described balancing component by locating back, can evenly distribute and press down power, so that push any position on the described touch controlled key, can both keep stablizing vertically, to touch the contact-making switch action fully, reach the stability of pushing thus, swag phenomenon takes place when effectively preventing to push, and guarantees that key board unit can correct output signal.
Compared with prior art, the present invention utilizes a plurality of balancing components, present multiaxis to arranged evenly, make on the described Trackpad set a plurality of by nip, no matter the user push arbitrary position on described its Trackpad of touch-control button by nip, all can make whole by the even power that presses down that supports of locating back acquisition, stablize action vertically and present, the spy can effectively solve existing disappearance of depositing, especially when touching its Trackpad that touches the button and be large tracts of land, its pressing operation more can be brought into play the generation that prevents swag phenomenon.
Trackpad of the present invention, divide into a plurality of on it by nip, each controls different output signals by nip, with execution as the defined character meaning of system of electronic installation (as computer), when promptly pushing on described its Trackpad of touch-control button each by nip, promptly can correctly touch described contact-making switch, and represent unlike signal to be output.
A plurality of balancing component of the present invention is decussation with twin shaft and arranges, and has at least a balancing component to have at least one recess in two balancing components of its infall to distribution, each balancing component is moved at grade, and non-interference.
A plurality of balancing component of the present invention is the L font with twin shaft and arranges to distribution.
A plurality of balancing component of the present invention is the # font with twin shaft and arranges to distribution.
A plurality of balancing component of the present invention is the H font with twin shaft and arranges to distribution.
The locating back of pressing of the present invention in set a plurality of first limit elements in its bottom surface, has at least one to be the fixed point draw-in groove, and it has a recessed limiting section, hold in the mouth in it for its stock card of described balancing component, and spacing as its spinning movement.
The locating back of pressing of the present invention in set a plurality of first limit elements in its bottom surface, has at least one to be the slippage draw-in groove, and it has a horizontal channel, holds in the mouth in it and does the slippage action for its jag card of described balancing component.
Base of the present invention in set a plurality of second limit elements, has at least one to be the fixed point draw-in groove on it, and it has the recessed limiting section of Shu, hold in the mouth in it for its stock card of described balancing component, and spacing as its spinning movement.
Base of the present invention in set a plurality of second limit elements, has at least one to be the slippage draw-in groove on it, and it has a horizontal channel, holds in the mouth in it and does the slippage action for its jag card of described balancing component.
The key board unit that multi-axis balancing touch keys of the present invention constituted, in wherein said a plurality of balancing component, have at least two balancing components to intersect mutually and with different axially-aligned, one of them balancing component, hold in the mouth second limit element with its upper end stock card in described base, its terminal jag card is held in the mouth in described first limit element by the locating back below, another balancing component is held in the mouth in described first limit element by the locating back below with its upper end stock card, its terminal jag card is held in the mouth first limit element in base, the interactive interference when avoiding activity.
Balancing component of the present invention, it is by bonding jumper made (as iron wire etc.), to strengthen the rigidity of balancing component.
Description of drawings
Fig. 1 is the described key board unit plane graph of first embodiment of the invention;
Fig. 2 is the described key board unit three-dimensional exploded view of first embodiment of the invention;
Fig. 3 is the described key board unit action of a first embodiment of the invention profile 1;
Fig. 4 is the described key board unit action of a first embodiment of the invention profile 2;
Fig. 5 is the described key board unit three-dimensional exploded view of second embodiment of the invention;
Fig. 6 is the described key board unit action of a second embodiment of the invention profile 1;
Fig. 7 is the described key board unit action of a second embodiment of the invention profile 2;
Fig. 8 is the described key board unit three-dimensional exploded view of third embodiment of the invention;
Fig. 9 is the described key board unit action of a third embodiment of the invention profile 1;
Figure 10 is the described key board unit action of a third embodiment of the invention profile 2;
Figure 11 is the described key board unit three-dimensional exploded view of fourth embodiment of the invention;
Figure 12 is the described key board unit action of a fourth embodiment of the invention profile 1;
Figure 13 is the described key board unit action of a fourth embodiment of the invention profile 2;
Figure 14 is the described key board unit three-dimensional exploded view of fifth embodiment of the invention;
Figure 15 is the described key board unit action of a fifth embodiment of the invention profile 1;
Figure 16 is the described key board unit action of a fifth embodiment of the invention profile 2;
Figure 17 is the described key board unit three-dimensional exploded view of sixth embodiment of the invention;
Figure 18 is the described key board unit action of a sixth embodiment of the invention profile 1;
Figure 19 is the described key board unit action of a sixth embodiment of the invention profile 2;
Figure 20 is the described key board unit three-dimensional exploded view of seventh embodiment of the invention;
Figure 21 is the described key board unit action of a seventh embodiment of the invention profile 1;
Figure 22 is the described key board unit action of a seventh embodiment of the invention profile 2.
Embodiment
Below in conjunction with accompanying drawing, be described in more detail with other technical characterictic and advantage the present invention is above-mentioned.
See also Fig. 1, Fig. 2, Fig. 3, shown in Figure 4, the described key board unit E of first embodiment of the invention, constituted by at least one touch controlled key E1, described touch controlled key E 1 is made up of by locating back 1, a contact-making switch 3, a base 4 and a plurality of balancing component 2 a tool Trackpad 11, described a plurality of balancing component 2 is located at described by between locating back 1 and the base 4, wherein:
The described locating back 1 of pressing, divide into a plurality of on its Trackpad 11 by nip 111, and describedly be provided with the first a plurality of limit elements 13 by locating back 1 its bottom surface 12, and arrange to X, Y with two disalignments, the dawn, each axial X, Y respectively were provided with at least one first limit element 13; Described Trackpad 11, divide into a plurality of on it by nip 111, each controls different output signals by nip 111, with execution as the defined character meaning of system of electronic installation (as computer), for example shown in Figure 1 each press the different character meaning of nip 111 representative, therefore describedly during by nip 111, can touch described contact-making switch 3 when pushing, represent that unlike signal is output by the difference on locating back 1 its Trackpad 11.
Described contact-making switch 3, one flexible members and have elasticity compressing space 30, its top 31 normality ejections described by locating back 1 bottom surface 12 and make it upwards, and described contact-making switch 3 is a push switch;
Described base 4 which is provided with a plurality of second limit elements 41, and it is arranged to X, Y with two disalignments, and each axial X, Y respectively are provided with at least one second limit element 41;
Described a plurality of balancing component 2, being distributed in two is on different axial X, the Y, its each balancing component 2 one is the element of ㄇ font, the stock 21 of its upper end blocks separately with terminal jag 22 to be held in the mouth in described first limit element 13 and second limit element 41, and have at least one to have horizontal channel B 1 in described first limit element 13, second limit element 41, do to be parallel to described slippage for described balancing component 2 by locating back 1;
Composition by above element, utilize stock 21 card of described balancing component 2 to hold in the mouth in first limit element 13 of described bottom surface 12 by locating back 1, jag 22 cards of the end of described balancing component 2 are held in the mouth second limit element 41 in described base 4, and be twin shaft to X, the distribution of Y, when finger presses down (as shown in Figure 4), describedly can press down described contact-making switch 3 and described balancing component 2 by locating back 1 thereupon, make each balancing component 2 be inclination, and because of described second limit element 41 is a slippage draw-in groove B, it has a horizontal channel B 1, can do the slippage action for described jag 22 in it; And, described a plurality of balancing component 2 is twin shaft and distributes to X, Y, make whole power by locating back 1, can evenly distribute and press down power, and that user finger applies pressure to is described during by locating back 1, no matter pressing position, can both make and describedly keep the stable described contact-making switch 3 of pushing vertically by locating back 1 why, and swag phenomenon can not take place, so that the correctly action of output signal of key board unit E; And disappear when finger presses down power, described contact-making switch 3 no longer is subjected to the external force effect, and because of the one flexible member has the elastic force of replying original form, and its top 31 can the described upwards return (as shown in Figure 3) of locating back 1 of pressing of normality ejection.
A plurality of balancing components 2 of the invention described above, it distributes and is decussation to X, Y with twin shaft and arranges, and have at least a balancing component to have at least one recess 23 in two balancing components 2 of its infall, each balancing component 2 is moved at grade, and non-interference (as Fig. 1, Fig. 2, Fig. 3, shown in Figure 4).
The described again locating back 1 of pressing, in set a plurality of first limit elements 13 in its bottom surface 12, have at least one to be fixed point draw-in groove A, described draw-in groove A has a recessed limiting section A 1, for the stock 21 card rank of described balancing component 2 in it, and spacing as its spinning movement.
The base 4 of the invention described above again in set a plurality of second limit elements 41, has at least one to be slippage draw-in groove B on it, and it has a horizontal channel B 1, for its jag 22 card ranks of described balancing component in it and do the slippage action.
As shown in Figure 5, the second embodiment of the present invention, wherein said set a plurality of first limit elements 13 in its bottom surface of locating back 1 12 of pressing, with two disalignments to X, Y distributes and is the arrangement of L font, balancing component 2 its upper end stocks 21 a plurality of for correspondence block the fixed point draw-in groove A that holds in the mouth in described a plurality of first limit elements 13, and described contact-making switch 3 normality ejections are in described bottom surface 12 of pressing locating back 1, the jag 22 of described balancing component 2 both sides then card is held in the mouth slippage draw-in groove B in described base 4 its a plurality of second limit elements 41, and be pressed and before and after in the horizontal flute B1 of described slippage draw-in groove B, doing the slippage action (as Fig. 6, shown in Figure 7), its action is as the foregoing description, can reach thus and utilize described a plurality of balancing component 2 to make twin shaft to slippage, press down power with even distribution, and keep described vertically stable by locating back 1, to touch described contact-making switch 3.
As Fig. 8, Fig. 9, shown in Figure 10, the third embodiment of the present invention, the wherein said first set limit element 13 of its bottom surface of locating back 1 12 of pressing, be a slippage draw-in groove B, it has a horizontal channel B 1, for at least one balancing component 2 its terminal jags 22 card ranks in it and make sliding action, and the described base 4 second set limit element 41 on it, be a fixed point draw-in groove A, it has a recessed limiting section A 1, for the stock 21 card ranks of described balancing component 2 its upper ends in it, and spacing as its spinning movement, thus to divide equally the total weight of described touch controlled key E 1; In addition, the described first a plurality of limit element 13 and a plurality of second limit element 41 are arranged to X, Y with two disalignments, being the L font for a plurality of balancing component 2 intersections of correspondence distributes, described balancing component 2 also is pressed and slippage before and after doing, its action can reach thus and utilize described a plurality of balancing component 2 to make twin shaft to slippage, and press down power with even distribution as the foregoing description, and keep described vertically stable by locating back 1, to touch described contact-making switch 3.
As Figure 11, Figure 12, shown in Figure 13, the fourth embodiment of the present invention, wherein saidly be provided with the first a plurality of limit elements 13 by locating back 1 bottom surface 12, and comprise more than one locating groove A and more than one slippage draw-in groove B in these a plurality of first limit elements 13, and corresponding base 4 is provided with the second a plurality of limit elements 41, and comprise more than one locating groove A and more than one slippage draw-in groove B in these a plurality of second limit elements 41, and with two disalignments to X, Y distributes, described a plurality of balancing component 2 is L font arrangement card and holds in the mouth in described first, two limit elements 13,41, its action is as the various embodiments described above, can reach thus and utilize described a plurality of balancing component 2 to make twin shaft to slippage, press down power with even distribution, and keep described by the stable action vertically of locating back 1, to touch described contact-making switch 3.
As Figure 14, Figure 15, shown in Figure 16, the fifth embodiment of the present invention, wherein saidly be provided with the first a plurality of limit elements 13 by locating back 1 bottom surface 12, and this first limit element 13 comprises more than one locating groove A and more than one slippage draw-in groove B, and a plurality of second limit elements 41 of being provided with of corresponding described base 4, and this second limit element 41 comprises more than one fixed point draw-in groove A and more than one slippage draw-in groove B, and with two disalignments to X, Y distributes, being the H font for three balancing components 2 corresponding with it arranges, its action is as the various embodiments described above, can reach thus and utilize described a plurality of balancing component 2 to make twin shaft to slippage, press down power with even distribution, and keep described by the stable action vertically of locating back 1, to touch described contact-making switch 3.
As Figure 17, Figure 18, shown in Figure 19, the sixth embodiment of the present invention, wherein said bottom surface 12 by locating back 1 is provided with the first a plurality of limit elements 13, and these a plurality of first limit elements 13 comprise more than one locating groove A, and corresponding described base 4 is provided with a plurality of second limit elements 41, and these a plurality of second qualification elements 41 comprise more than one slippage draw-in groove B, and with two disalignments to X, Y distributes and is the arrangement of groined type, for a plurality of balancing component 2 card ranks of correspondence, and with twin shaft to X, Y distributes and is the cross arrangement of # font, and have at least a balancing component 2 to have a plurality of recesses 23 in a plurality of balancing components 2 of its infall, phase mutual interference when avoiding moving, and be pressed do before and after the slippage action; Its action can reach thus and utilize described a plurality of balancing component 2 to make twin shaft to slippage as the various embodiments described above, presses down power with even distribution, and keeps described by the stable action vertically of locating back 1, to touch described contact-making switch 3.
As Figure 20, Figure 21, shown in Figure 22, the seventh embodiment of the present invention, wherein said bottom surface 12 by locating back 1 is provided with the first a plurality of limit elements 13, and these a plurality of first limit elements 13 comprise more than one fixed point draw-in groove A and more than one slippage draw-in groove B, and corresponding described base 4 is provided with a plurality of second limit elements 41, and these a plurality of second qualification elements 41 comprise more than one fixed point draw-in groove A and more than one slippage draw-in groove B, and be the arrangement of groined type to X, Y with two disalignments, for a plurality of balancing components 2 card rank actions of correspondence; Its action can reach thus and utilize described a plurality of balancing component 2 to make twin shaft to slippage as the various embodiments described above, presses down power with even distribution, and keeps described by the stable action vertically of locating back 1, to touch described contact-making switch 3.
In sum, by structure of the present invention simplify, easy to assembly, more can guarantee to stablize the vertical pressing contact-making switch by bond energy, and push diverse location and can produce different output signals, and the function of replacement conventional keyboard, so the practical progressive benefit of the special tool of the present invention, special efficiency solves and has the disappearance of being deposited now.
More than explanation is just illustrative for the purpose of the present invention, and nonrestrictive, those of ordinary skills understand; under the situation of the spirit and scope that do not break away from following claims and limited, can make many modifications, change; or equivalence, but all will fall within the scope of protection of the present invention.
Claims (14)
1. the key board unit that multi-axis balancing touch keys constituted is characterized in that, comprises at least one touch controlled key, described touch controlled key comprise a tool Trackpad by locating back, a contact-making switch, a base and a plurality of balancing component, wherein:
The described locating back of pressing, divide into a plurality ofly on its Trackpad, and push diverse location and produce different output signals, and described bottom surface by locating back is provided with a plurality of first limit elements by nip, it is with two different axially-aligned, and each axially respectively is provided with at least one first limit element;
Described contact-making switch, the described bottom surface of pushing the plane of normality ejection;
Described base which is provided with a plurality of second limit elements, and it is with two different axially-aligned, and each axially respectively is provided with at least one second limit element;
Described a plurality of balancing component, be distributed in two and be disalignment upwards, its each balancing component is the element that ㄧ is ㄇ shape, the jag of the stock of its upper end and end blocks separately to be held in the mouth in described first limit element and second limit element, and have at least one to have horizontal channel in described first limit element, second limit element, do to be parallel to described slippage for described balancing component by locating back.
2. the key board unit that multi-axis balancing touch keys as claimed in claim 1 constituted is characterized in that, described a plurality of balancing components are decussation with twin shaft and arrange to distribution.
3. the key board unit that multi-axis balancing touch keys as claimed in claim 1 constituted is characterized in that, described a plurality of balancing components are the L font with twin shaft and arrange to distribution.
4. the key board unit that multi-axis balancing touch keys as claimed in claim 1 constituted is characterized in that, described a plurality of balancing components are the cross arrangement of # font with twin shaft to distribution.
5. the key board unit that multi-axis balancing touch keys as claimed in claim 1 constituted is characterized in that, described a plurality of balancing components are the H font with twin shaft and arrange to distribution.
6. the key board unit that multi-axis balancing touch keys as claimed in claim 1 constituted is characterized in that, described balancing component is made by a bonding jumper.
7. the key board unit that multi-axis balancing touch keys as claimed in claim 1 constituted is characterized in that, described contact-making switch is a flexible member, and it has elasticity compressing space.
8. the key board unit that multi-axis balancing touch keys as claimed in claim 1 constituted is characterized in that, described contact-making switch is a push switch.
9. the key board unit that multi-axis balancing touch keys as claimed in claim 1 constituted is characterized in that, described first limit element is a fixed point draw-in groove, and it has a recessed limiting section, holds in the mouth in it and makes rotary stopper for its stock card of described balancing component.
10. the key board unit that multi-axis balancing touch keys as claimed in claim 1 constituted is characterized in that, described first limit element is a slippage draw-in groove, and it has a horizontal channel, holds in the mouth in it and does slippage action for its jag card of described balancing component.
11. the key board unit that multi-axis balancing touch keys as claimed in claim 1 constituted is characterized in that, described second limit element is a fixed point draw-in groove, and it has a recessed limiting section, holds in the mouth in it and makes rotary stopper for its stock card of described balancing component.
12. the key board unit that multi-axis balancing touch keys as claimed in claim 1 constituted is characterized in that, described second limit element is a slippage draw-in groove, and it has a horizontal channel, holds in the mouth in it and does slippage action for its jag card of described balancing component.
13. the key board unit that multi-axis balancing touch keys as claimed in claim 1 constituted, it is characterized in that, described a plurality of balancing component is located at described by between locating back and the base, it has at least a balancing component to hold in the mouth second limit element in described base with its upper end stock card, its terminal jag card is held in the mouth in described first limit element by the locating back below, to divide equally described touch controlled key total weight.
14. the key board unit that multi-axis balancing touch keys as claimed in claim 1 constituted, it is characterized in that, in described a plurality of balancing component, have at least two balancing components to intersect mutually and with different axially-aligned, one of them balancing component is held in the mouth second limit element in described base with its upper end stock card, its terminal jag card is held in the mouth in described first limit element by the locating back below, another balancing component is held in the mouth in described first limit element by the locating back below with its upper end stock card, its terminal jag card is held in the mouth first limit element in described base, the interactive interference when avoiding activity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100904250A CN101556872B (en) | 2008-04-07 | 2008-04-07 | Keyboard device formed by multi-axis balancing touch keys |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100904250A CN101556872B (en) | 2008-04-07 | 2008-04-07 | Keyboard device formed by multi-axis balancing touch keys |
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| CN101556872A true CN101556872A (en) | 2009-10-14 |
| CN101556872B CN101556872B (en) | 2011-07-20 |
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| CN2008100904250A Expired - Fee Related CN101556872B (en) | 2008-04-07 | 2008-04-07 | Keyboard device formed by multi-axis balancing touch keys |
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| JP2004273330A (en) * | 2003-03-10 | 2004-09-30 | Mitsumi Electric Co Ltd | Keyboard device |
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| JP2015011700A (en) * | 2013-07-02 | 2015-01-19 | 義隆電子股▲ふん▼有限公司 | Input device and its lift structure |
| CN103474279A (en) * | 2013-09-12 | 2013-12-25 | 华一精密机械(昆山)有限公司 | T-shaped reset rod connecting piece and keyboard provided with same |
| CN105161932A (en) * | 2015-08-26 | 2015-12-16 | 惠州Tcl移动通信有限公司 | Push-type switching device and electronic equipment |
| CN105225874A (en) * | 2015-08-26 | 2016-01-06 | 惠州Tcl移动通信有限公司 | Press switch device and electronic equipment |
| CN106486310A (en) * | 2015-09-02 | 2017-03-08 | 袁建平 | Balanced beam type keyboard and its assemble method |
| CN112185717A (en) * | 2020-09-24 | 2021-01-05 | 联想(北京)有限公司 | Balancing pole and touch device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101556872B (en) | 2011-07-20 |
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