CN202486741U - Touch panel operation device - Google Patents
Touch panel operation device Download PDFInfo
- Publication number
- CN202486741U CN202486741U CN2012200629448U CN201220062944U CN202486741U CN 202486741 U CN202486741 U CN 202486741U CN 2012200629448 U CN2012200629448 U CN 2012200629448U CN 201220062944 U CN201220062944 U CN 201220062944U CN 202486741 U CN202486741 U CN 202486741U
- Authority
- CN
- China
- Prior art keywords
- click
- touch
- keystroke
- area
- finger touch
- 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
Links
Images
Landscapes
- Position Input By Displaying (AREA)
Abstract
A touch panel operation device comprises a touch/click operation unit, which is provided with a finger touch/click area and can output touch/click operation signals, and at least two click operation units, which are respectively controlled by two click keys and can output operation signals, wherein the two click keys are respectively arranged below and above the finger touch/click area of the touch/click operation unit in a reverse manner. The touch panel operation device more conforms to the human body engineering principle, so that not only are discomfort and fatigue of the wrist of an operator reduced, but also the damage caused by overbending is avoided, further, the finger operation is convenient, and novel operation manner and/or function is (are) developed. The touch panel operation device is preferentially and particularly suitable for, but not limited to laptops and other products.
Description
Technical field
The utility model relates to a kind of touchpad operation device, preferentially is fit to but is not only for being used for electronic product such as portable computer.
Background technology
Comprising portable computers such as notebook computer, palm PC; And like some electronic products commonly used such as learning machine, game machine, mobile phones; Or, when carrying out the man-machine conversation operation, be used for the device of the information of carrying out or instruction input as in the fields such as Industry Control, traffic, bank, finance, information and communication; Remove multi-form general (standard) or keyboard special operating structure; And/or machinery/photoelectric type mouse etc. dismantled and assembled/the independent external equipment of apolegamy outside, be convenient operation, the adjacent of also being everlasting with the operation keyboard below disposes by comprising touchs/clicking operation unit and putting the touchpad operation device that keystroke is formed.Particularly in products such as notebook computer, this touchpad operation device is set, has become conventional with indispensable structural design form basically in the lower position adjacent with the space bar of operation keyboard.
The basic structure of this touchpad operation device; Usually all include a touch/clicking operation unit that has finger touch/click on area and can touchs/clicking operation signal be exported; And be generally two, and have respectively or corresponding to the operating function of some keystroke in a left side/right side in the mouse apparatus respectively by the clicking operation unit of clicking key control and output function signal.Its signal output function; According to various structure and/or design concept; Can adopt at present as respectively with said finger touch/click on area and/or some keystroke directly/be connected indirectly or the components and parts that are associated and circuit or through corresponding volumes/decoding architecture, and through correspondent computer software program etc. accordingly mature technology be achieved.
With the example that is designed to of present application the most portable (notebook) computing machine, the basic structure form of this touchpad operation device can be as shown in Figure 1.The position of (or when using near operator's a side) below the general operation keyboard of routine (be mostly space bar under); A touch/clicking operation unit that has finger touch/click on area (promptly most rectangular touch pad) (1) is arranged; The below of finger touch/click on area next-door neighbour is provided with the bar shaped point keystroke (3 that is arranged in juxtaposition about a pair of; 2), has or is equivalent to the function of some keystroke in a left side/right side in the mouse respectively.This structural design is used till today for a long time, still as a kind of classical design in a large amount of uses.In addition, also have at present this 2 bar shaped points keystroke (3,2) is changed into the design form that is arranged in juxtaposition or is respectively in finger touch/click on area (1) left and right sides about finger touch/click on area (1) top.
Find in actual use; This become convention with the design that is arranged in juxtaposition about two some keystrokes, not only be inconvenient to carry out some operation, also limited certain operations function development and expansion; And after the long-time operation, user regular meeting feels the tired and uncomfortable of wrist portion.For example, when on the touch pad of this structure, operating, the contact site of palm and operating equipment only is positioned at the pisiform position of little finger of toe side palm root, can feel wrist fatigue and pisiform position pain and discomfort after long-time the use.In addition, when finger was operated on this touch pad, wrist often need be done the action of overbend to little finger of toe side (ulnar side); And when the left-hand operation of forefinger in finger touch/click on area (1), thumb will be difficult to the some keystroke (corresponding with right mouse button) on right side is operated.And in the whole operation process, middle finger all can't use; Nameless and little finger of toe also is not easy to place; Be the faulty operation of avoiding false touch to cause to touch pad, middle finger, the third finger and little finger of toe also need often to keep vacant state, thereby further aggravate the tired and uncomfortable of wrist portion.
Can understand by anatomy, physiological knowledge, the normal and posture that feels comfortably cool of staff wrist, be the axis of palm and the forearm axis is consistent and to the left and right lateral bending in the scope of+30 °～-20 ° of amplitudes.Arm and palm under the state that keeps flat (or roughly keeping flat), the thumb of hand, forefinger and middle finger become respectively closely with health, in, far away diagonally distributing.Hence one can see that, the generation of problems such as above-mentioned fatigue, discomfort, the ultimate principle of closing ergonomics just because of present this classical architecture different design with require to be caused.Finger and/or wrist are in the duty of this undesired, uncomfortable or even excessive distortion for a long time, and wrist portion tissue is fallen sick from overwork because of chronic injury for a long time.The occupational injury of this being called as " mouse hand " along with the popularizing rapidly and be widely used and constantly occur and be seen in report of notebook computer, and has the trend that day by day increases.
Except that above-mentioned portable computer, in the design of the similar operating means in fields such as other Industry Control, traffic, information, study, amusement, similar problem exists too.
The utility model content
To above-mentioned situation; The utility model provides a kind of touchpad operation device of new model, makes its more ultimate principle and requirement of ergonomic, and is more reasonable; Not only can solve the problem that exists in the present like product; Make more convenient operation with quick, also help and guarantee the comfortable and healthy of operator's wrist and finger position, even can also further develop and expand the operating function that makes new advances.
The basic structure of the utility model touchpad operation device; Comprise a touch/clicking operation unit that has finger touch/click on area (being touch pad) and can touchs/clicking operation signal be exported equally; And at least two respectively by the clicking operation unit of clicking key control and output function signal; A wherein said keystroke is two, is separately positioned on the upper and lower position of the finger touch/click on area of said touch/clicking operation unit with opposing mode.
Said this upper and lower position is meant in the utility model; Be as the criterion with said this finger touch/click on area (being touch pad); When it used mode of operation to be vertical or approximate vertical mode, said upper and lower position promptly referred to the above and below of this finger touch/click on area; When it used mode of operation to be level or approximate horizontal mode, said upper and lower position promptly referred to for the operator, be positioned at (the place ahead) position far away of this finger touch/click on area and near (rear) position.The touch of said finger touch/click on area/clicking operation signal; And/or the control, the output of operation signal of some keystroke; All can adopt aforementioned at present in same device existing report and/or widely used directly/connect indirectly or the components and parts that are associated and circuit or through corresponding volume/decoding architecture with it, or be achieved through mature technologies such as correspondent computer software programs.So-called directly/connect indirectly or be associated; Be meant between relevant component structure and can directly be electrically connected through the physics contact; Though or under static or off working state, do not showed direct physical connection relation; But pointed press and/or click the time effects such as the corresponding deformation that produced such as mechanical force or electromagnetic induction and/or electromagnetic induction down, can generation or realization has identical or equivalent in fact effect and result with the direct electrical connection of physics.
Therefore; The above-mentioned touchpad operation device of the utility model; Be based on the ultimate principle of above-mentioned ergonomics; And fully take into account the finger division of labor and the operating habit that people have formed and set up in to widely used electronic products such as computer mouses; Only new and more reasonably design have been carried out in the position of wherein putting keystroke, changed the existing touch/clicking operation unit and the basic structure and principle of work and the process that include the clicking operation unit of a keystroke that includes finger touch/click on area (touch pad).
In the said structure; Be arranged in the set-up mode of some keystroke at upper and lower position place of finger touch/click on area of said touch/clicking operation unit with opposing mode respectively, can have at least an employing to be arranged on the said direction place in finger touch/click on area scope with regional occupy-place mode.Promptly; With regional occupy-place mode in finger touch/click on area scope above and/or below this keystroke of locating to be provided with; Can there be the visible physical separation state of macroscopic view with finger touch/click on area, and be the division on the relative operating area in same finger touch/click on area scope.This set mode also is a kind of mature technology of existing employing at present in portable computer.
Another kind of mode; Be to make this keystroke adopt the adjacent mode that maintains spacing distance with said finger touch/click on area to be located at finger touch/place, click on area upper and lower position respectively, promptly with widely adopt at present to isolate the independent mode that is provided with each other with the physical separation structure identical.
In above-mentioned some keystroke employing and said finger touch/click on area structure that separate isolation is provided with the physical separation structure; Be arranged on the below of general operation keyboard with adjacent mode in these 2 keystrokes and be positioned at this keystroke of the finger touch/click on area top position of said touch/clicking operation unit; As required, also can be further merge into shared operating key with the space bar of adjacent general operation keyboard below.Particularly in like portable computer and similar products or equipment, this set mode also can help further reducing its area occupied on guidance panel under the prerequisite that does not influence operation.
Further; Above-mentioned some keystroke adopt with said finger touch/click on area when the separate isolation of physical separation structure is provided with; In the said some keystroke that is separately positioned on the finger touch of touch/clicking operation unit/place, click on area upper and lower position with opposing mode; Can have at least the operating surface of a some keystroke to be below or above the operating surface of this finger touch/click on area, with handled easily.For example,, can make the operating surface of respective point keystroke, with this finger touch/click on area operation planar quadrature or the oblique mode exceeds or lowly, to improve convenience, agility and the comfortableness of finger clicking operation according to the use needs.
In the above-mentioned touchpad operation device, the concrete form of the finger touch/click on area in said touch/clicking operation unit can be rectangle, square, circular or oval-shaped planar structure.
In addition; Movement characteristic and action need according to the human body palm; In the some keystroke that the said finger touch/click on area upper and lower position that is separately positioned on touch/clicking operation unit is located in the said structure; Can also have at least the clicking operation scope of a some keystroke to be set to rectangular strip face or arc strip-shaped surface, to adapt with operator's palm normal activity scope and comfort conditions better.
In the touchpad operation device of the utility model said structure form; Function to the some keystroke at the said finger touch that is separately positioned on touch/clicking operation unit/place, click on area upper and lower position is distributed; So that the some keystroke that is arranged in lower position is at least corresponding to the left-hand point keystroke of conventional mouse apparatus; And the some keystroke that is arranged in top position place is at least corresponding to the best mode that is set to of the right-hand point keystroke of conventional mouse apparatus; So that be consistent with the method for present operation independent mouse device; The operator can use the forefinger and the middle finger of one hand (no matter the left hand or the right hand), realize and the identical effect of an operation mouse left side/right side point keystroke at present, and another remarkable advantage of this set mode also is; The operator who no matter is the left-handed or the right hand can operate in a like fashion; Need not be again relearn and be familiar with, and/or equipment is adjusted and reset, the problem that the inconvenience of having avoided the change because of the utility model structural arrangement mode to bring to the operator maybe need relearn and be familiar with according to a left side/right-hand operated custom of operator.
Further research to human body palm scope of activities and characteristics is also found; In said structure; Make the said left and right directions length that finger touch/click on area lower position is clicked the key operation face that is positioned at; The place clicks the corresponding length of key operation face less than the top position, and/or makes the said width that finger touch/click on area lower position is clicked key operation face above-below direction that is positioned at, and clicks the corresponding width of key operation face greater than the place, top position.These all are the characteristics such as finger length, the motion track in when operation and radius according to the people, and during operation palm comfortable activity and bend and stretch the more useful mode of improving that characteristics such as amplitude range are carried out.
Can know understanding thus; The utility model designs the structural arrangement mode of said this touchpad operation device; Be based on take into full account and according to the ultimate principle of ergonomics with require to make, can overcome the unreasonable and inconvenient defective that exists in the present same device.Can make frequency of utilization is the highest in the practical operation forefinger, thumb and middle finger under normal and comfortable state; Just in time be in touch/click on area respectively and lay respectively at its upper and lower side's click key position place with opposing mode; Need not to do normally and under the comfort conditions operating of a too much left side/right flexor; Thereby thoroughly solved traditional product and often be in the disadvantage that operation is brought under the excessive flexion/extension state because of wrist and/or finger in using; And on the basis of a left side/right button operating habit that has taken into full account and ideally transplanted the conventional mouse that people have been familiar with, can also need not to distinguish the operator a left side/right-hand operated custom and can be suitable equally.Test findings also shows, when the utility model said apparatus was operated, palm can realize by the keeping flat or basic flat condition of large and small thenar position together support, also avoided at present the rough sledding that can only be supported by the pisiform position of palm little finger of toe side.
Decapacitation overcomes outside the unfavorable factor of present same device; The structural design of the touchpad operation device that the utility model is above-mentioned; Thumb, forefinger and middle finger are independently touched respectively and/or clicking operation by present usual manner; Particularly these two some keystrokes are outside realization and a mouse left side/right button same independent operation function and effect; Can also further realize referring to simultaneously with three, or any two refer to wait simultaneously different modes combination operation, with further expansion and the exploitation of realization to the operating key correlation function.The operation of these array modes for for the touchpad operation device of the present traditional structure that is set up in parallel about two some keystrokes, all is difficult to imagine and can't realize.
In addition; Another characteristics of the utility model said structure design; Be when realizing best appropriate design; Can also reduce and avoid influence and interference to existing touch pad structural system to greatest extent, thereby can not produce excessive influence to present existing production equipment/production line, also release needs people to change or abandons the operating habit of being familiar with and the process that relearns and adapt to.These characteristics and advantage; The touchpad operation device of the utility model design form can substitute the touchpad operation device of present traditional design form just; Be widely used in computing machine (especially notebook computer), palm PC, learning machine, game machine, mobile phone; And the important foundation that comprises many fields such as industry, traffic, bank, finance, information and communication, have great commercial value and DEVELOPMENT PROSPECT.
Below in conjunction with accompanying drawing,, the foregoing of the utility model is remake further detailed description with the touchpad operation device that can be widely used in input information or instruction in the notebook computer embodiment as embodiment.But should this be interpreted as that the scope of the above-mentioned theme of the utility model only limits to following instance.Do not breaking away under the above-mentioned technological thought situation of the utility model, various replacements or change according to ordinary skill knowledge and customary means are made all should be included in the scope of the utility model.
Description of drawings
Fig. 1 is the synoptic diagram of the traditional structure form of present touchpad operation device.
Fig. 2 is a kind of version synoptic diagram of the utility model touchpad operation device.
Fig. 3 is the another kind of version synoptic diagram of the utility model touchpad operation device.
Fig. 4 is the side-looking status architecture synoptic diagram of another form of the utility model touchpad operation device.
Fig. 5 is another version synoptic diagram of the utility model touchpad operation device.
Fig. 6 is the other a kind of version synoptic diagram of the utility model touchpad operation device.
Embodiment
Fig. 1 is a kind of traditional conventional design form of present touchpad operation device.It normally is arranged on the below (many middle parts below space bar) of routine operation keyboard with adjacent mode in using maximum portable (notebook) computing machines.Be provided with mostly one in this touchpad operation device is the finger touch/click on area (touch pad) 1 of square or rectangle and the touch/clicking operation unit that can touchs/clicking operation signal be exported; And two respectively by a keystroke 2; The clicking operation unit of 3 controls and output function signal; Left side point keystroke 3 wherein and right some keystroke 2 with about side by side mode be provided with, on function, correspond respectively to a left side/right side point keystroke in the independent mouse device.
Fig. 2 is a kind of structural design form of the utility model touchpad operation device; Wherein include a touch/clicking operation unit that has finger touch/click on area (touch pad) 1 (shown in the figure for square or rectangular shape) and can touchs/clicking operation signal be exported equally; And two respectively by the clicking operation unit of a keystroke 2,3 control and output function signal.These 2 keystrokes 2,3 are with opposing and be arranged on its place, upper and lower position with adjacent mode that finger touch/click on area 1 maintains the physical separation structure.The operation planar of these 2 keystrokes 2,3 can remain same level with finger touch/click on area 1.Wherein, It is corresponding with the left side point keystroke of conventional mouse apparatus at least or be equal to be arranged in the some keystroke 3 of finger touch/click on area 1 below (near operator's bodyside), and it is corresponding with the right side point keystroke of conventional mouse apparatus at least or be equal to be arranged in 2 of the some keystrokes of top.
On the said structure basis; In products such as portable computer or equipment; As required, can also further make the some keystroke 2 that is positioned at finger touch/click on area 1 top, adopt that space bar in the adjacent with it general operation keyboard is shared to be provided with for the mode of same key.
The utility model touchpad operation device shown in Figure 3 is at the structural a kind of version of Fig. 2; Wherein said opposing two some keystrokes 2 that are arranged at finger touch/click on area 1 upper and lower; 3; All adopt with regional occupy-place mode and be arranged on the said direction place in finger touch/click on area 1 scope, itself and 1 of finger touch/click on area have only operational area dividing, and do not have macroscopic view visible physical separation structure or state.
Shown in Figure 4 is the side-looking state of another touchpad operation device of the utility model.Be with the different of structure shown in Figure 2; These two some keystrokes 2; 3 operating surface all is lower than the operation planar of finger touch/click on area 1 respectively, wherein is positioned at the operating surface of the some keystroke 2 of finger touch/click on area 1 top; Be arranged to the form with the operation planar oblique of this finger touch/click on area 1, the operating surface that is positioned at the some keystroke 3 of below then is arranged to the form with the operation planar vertical (or oblique) of finger touch/click on area 1.
Shown in Figure 5 is another concrete form of the utility model touchpad operation device; Be with the different of Fig. 2 structure; Said finger touch/click on area 1 is oval-shaped operation planar; 2 keystrokes 2,3 that are arranged on its upper and lower with opposing mode are adopted as the length arc strip operating surface all different with width respectively.Wherein, be positioned at the corresponding length of the some keystroke 3 operating surface left and right sides length of finger touch/click on area 1 below less than the operating surface of top point keystroke 2; The width of some keystroke 3 operating surface above-below directions is then greater than the corresponding width of the operating surface of a keystroke 2.The operation planar of finger touch/click on area 1 and 2 keystrokes 2,3 is a sustained height.
Shown in Figure 6 is a kind of the utility model touchpad operation Design of device form that Fig. 3 and design feature shown in Figure 5 are comprehensively arranged; Its finger touch/click on area 1 is adopted as oval-shaped plane; 2 keystrokes 2; 3 all do not have the physics separation structure with regional occupy-place mode be arranged on the upper and lower position in finger touch/click on area 1 scope, and its length and width have and the similar characteristics shown in Fig. 5.
Claims (10)
1. touchpad operation device; Comprise a touch/clicking operation unit that has finger touch/click on area (1) and can touchs/clicking operation signal be exported; And at least two respectively by the clicking operation unit of a keystroke (2,3) control and output function signal, it is characterized in that said some keystroke (2; 3) be two, be separately positioned on the upper and lower position of the finger touch/click on area (1) of said touch/clicking operation unit with opposing mode.
2. touchpad operation device as claimed in claim 1; It is characterized in that being separately positioned on the some keystroke (2 at the place, finger touch/click on area (1) upper and lower position of said touch/clicking operation unit with opposing mode; 3) in, have at least one to be arranged on the said direction place in finger touch/click on area (1) scope with regional occupy-place mode.
3. touchpad operation device as claimed in claim 1; It is characterized in that said some keystroke (2; 3), be separately positioned on place, finger touch/click on area (1) upper and lower position with the adjacent mode that maintains spacing distance with finger touch/click on area (1).
4. touchpad operation device as claimed in claim 3; It is characterized in that being arranged on the below of general operation keyboard with adjacent mode; And be positioned at the some keystroke (2) of finger touch/click on area (1) top position of said touch/clicking operation unit, merge into shared operating key with the space bar of adjacent general operation keyboard below.
5. touchpad operation device as claimed in claim 3; It is characterized in that the said some keystroke (2 that is separately positioned on the place, finger touch/click on area (1) upper and lower position of touch/clicking operation unit with opposing mode; 3) in, have at least the operating surface of a some keystroke to be below or above the operating surface of this finger touch/click on area (1).
6. like the described touchpad operation device of one of claim 1 to 5, it is characterized in that the finger touch/click on area (1) in said touch/clicking operation unit is rectangle, square, circular or oval-shaped planar structure.
7. like the described touchpad operation device of one of claim 1 to 5; It is characterized in that the said some keystroke (2 that is separately positioned on the place, finger touch/click on area (1) upper and lower position of touch/clicking operation unit with opposing mode; 3) in, the clicking operation scope that has a some keystroke at least is rectangular strip face or arc strip-shaped surface.
8. like the described touchpad operation device of one of claim 1 to 5; It is characterized in that the said some keystroke (2 that is separately positioned on the place, finger touch/click on area (1) upper and lower position of touch/clicking operation unit with opposing mode; 3) in; The point keystroke (3) of lower position is at least corresponding to the left-hand point keystroke in the conventional mouse apparatus, and the some keystroke (2) at place, top position is at least corresponding to the right-hand point keystroke in the conventional mouse apparatus.
9. touchpad operation device as claimed in claim 8; It is characterized in that the said length that is positioned at finger touch/click on area (1) lower position point keystroke (3) operating surface left and right directions of touch/clicking operation unit, less than the corresponding length of place, top position point keystroke (2) operating surface.
10. touchpad operation device as claimed in claim 8; It is characterized in that the said width that is positioned at finger touch/click on area (1) lower position point keystroke (3) operating surface above-below direction of touch/clicking operation unit, greater than the corresponding width of place, top position point keystroke (2) operating surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200629448U CN202486741U (en) | 2012-02-26 | 2012-02-26 | Touch panel operation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200629448U CN202486741U (en) | 2012-02-26 | 2012-02-26 | Touch panel operation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202486741U true CN202486741U (en) | 2012-10-10 |
Family
ID=46961148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200629448U Expired - Fee Related CN202486741U (en) | 2012-02-26 | 2012-02-26 | Touch panel operation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202486741U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013123917A1 (en) * | 2012-02-26 | 2013-08-29 | Ben jun | Operating device of touchpad |
-
2012
- 2012-02-26 CN CN2012200629448U patent/CN202486741U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013123917A1 (en) * | 2012-02-26 | 2013-08-29 | Ben jun | Operating device of touchpad |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203689477U (en) | Electronic equipment and touch input device thereof | |
| TWD135171S1 (en) | Coordinate input machine | |
| CN202486741U (en) | Touch panel operation device | |
| CN201444285U (en) | Split keyboard for computer | |
| CN102609148A (en) | Operating device of touchpad | |
| CN101178626B (en) | Ergonomics mouse | |
| CN207397228U (en) | Keyboard device operated by hand-held rocker | |
| CN102681698A (en) | Multi-key mouse technology and mouse | |
| CN103150042B (en) | Meet hand held computer pointing device and the using method thereof of ergonomics | |
| CN203025652U (en) | Handheld keyboard | |
| CN202275382U (en) | Man-machine input compound device based on multifinger touch technology | |
| CN202145296U (en) | Touch pad mouse of laptop | |
| WO2021098507A1 (en) | Keyboard | |
| CN202383611U (en) | Computer keyboard | |
| WO2015126282A1 (en) | Data input device | |
| CN204440249U (en) | Integral computer | |
| CN201897760U (en) | Input module and notebook computer using same | |
| CN211123975U (en) | Computer keyboard key and computer keyboard | |
| CN205942619U (en) | Wearing formula palm holds in palm and switches integration entity keyboard mouse | |
| CN205608666U (en) | Keyboard with mouse function | |
| CN209803738U (en) | Keyboard with touch panel | |
| CN206594639U (en) | The multiple point touching computer mouse that a kind of changeable both of which in length and breadth is used | |
| CN108845681A (en) | A kind of switch key mapping layout method of input equipment | |
| CN201278133Y (en) | Handle type integrated operator for computer keyboard and mouse | |
| KR20130134981A (en) | Keyboard-touch |
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: 20121010 Termination date: 20210226 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |