CN105808086A - Virtual keyboard input method and device - Google Patents
Virtual keyboard input method and device Download PDFInfo
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- CN105808086A CN105808086A CN201410848893.5A CN201410848893A CN105808086A CN 105808086 A CN105808086 A CN 105808086A CN 201410848893 A CN201410848893 A CN 201410848893A CN 105808086 A CN105808086 A CN 105808086A
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Abstract
The invention is suitable for the field of intelligent terminals, and provides a virtual keyboard input method and device. The method comprises the following steps: when a signal of finger is inducted, determining a distance from the finger to a screen and a projection point, on the screen, of the finger; determining a projection area which comprises the projection point, on the screen, of the finger; selecting elements of the projection area; displaying an element, closest to the projection point, on the screen, of the finger in the selected elements at the center of a generated suspension layer, and correspondingly displaying the other elements around the center of suspension layer according to a virtual keyboard configuration position, wherein the distance between the selected element on the generated suspension layer is greater than the distance between the selected elements on the projection area; receiving an element selection instruction generated by a user on the suspension layer; outputting a corresponding element according to the element selection instruction. According to the method and device provided by the invention, the element clicking correctness can be improved.
Description
Technical field
The embodiment of the present invention belongs to intelligent terminal field, particularly relates to input method and the device of a kind of dummy keyboard.
Background technology
At present, generally using the touch screen screen as intelligent terminal's (such as mobile phone, panel computer etc.), to reduce the volume of intelligent terminal.User selects the element in dummy keyboard thus completing the purpose of input character in the dummy keyboard that touch screen shows.
But as the intelligent terminal of portable set, its screen size is limited, and limited screen will bring vision and operational inconvenience.As: when showing dummy keyboard on limited screen, owing to each element of display is excessively crowded, therefore, it is easy to click other elements, thus causing that the probability of maloperation is too high by mistake.
Summary of the invention
Embodiments provide input method and the device of a kind of dummy keyboard, it is intended to solve existing methodical problem.
The embodiment of the present invention is achieved in that the input method of a kind of dummy keyboard, and described method includes:
When sensing the signal of finger, it is determined that the distance of finger and screen and finger are at the subpoint of screen；
Determine the view field including finger at the subpoint of screen；
Choose the element of view field；
To be shown in the center of the superposed layer of generation in the element chosen at the element that the distance of the subpoint of screen is the shortest with finger, remaining element is shown in around the center of superposed layer according to the arrangement position correspondence of dummy keyboard；Distance between the element being selected on described superposed layer is more than the distance of the element being selected in described view field；
Receive the element selection instruction that user sends at superposed layer；
The element of instruction output correspondence is selected according to described element.
The another object of the embodiment of the present invention is in that to provide the input equipment of a kind of dummy keyboard, and described device includes:
Finger information determines unit, for when sensing the signal of finger, it is determined that the distance of finger and screen and finger are at the subpoint of screen；
View field determines unit, for determining the view field including finger at the subpoint of screen；
Element chooses unit, for choosing the element of view field；
Element suspension display unit, for the center of the superposed layer by being shown in generation in the element chosen at the element that the distance of the subpoint of screen is the shortest with finger, remaining element is shown in around the center of superposed layer according to the arrangement position correspondence of dummy keyboard；Distance between the element being selected on the superposed layer of described generation is more than the distance of the element being selected in described view field；
Element selects instruction reception unit, and the element sent at superposed layer for receiving user selects instruction；
Element output unit, for selecting the element of instruction output correspondence according to described element.
In embodiments of the present invention, when sensing the signal of finger, determine the distance of finger and screen, finger is at the subpoint of screen, and determine the view field including finger at the subpoint of screen, choose the element of the view field determined, and the element chosen will be shown in the center of the superposed layer of generation with finger at the element that the distance of the subpoint of screen is the shortest, remaining element is shown in around superposed layer according to the arrangement position correspondence of dummy keyboard, when receiving user and selecting instruction at the element that superposed layer sends, the element of instruction output correspondence is selected according to described element.Owing to user wanting the element clicked carry out screening accordingly and arrangement display, therefore it is easy to the element that user selects to need to click in the element of screening and arrangement display, reduces maloperation, improve the accuracy rate that element is clicked.Additionally, due to do not change the element relative position at dummy keyboard during arrangement display element, therefore, cognition and the operating habit of user will not be changed such that it is able to improve the input speed of element.
Accompanying drawing explanation
Fig. 1 is the flow chart of the input method of a kind of dummy keyboard that first embodiment of the invention provides；
Fig. 2 is the view field that first embodiment of the invention provides is the schematic diagram of projection circle；
Fig. 3 is the schematic diagram of the circle that suspends of the projection circle correspondence of Fig. 2 that first embodiment of the invention provides；
Fig. 4 is the schematic diagram that the circle that suspends is bisected into 4 equal portions that first embodiment of the invention provides；
Fig. 5 is the schematic diagram of the circle that suspends that the finger on the basis of Fig. 2 that first embodiment of the invention provides generates closer to screen；
Fig. 6 is the structure chart of the input equipment of a kind of dummy keyboard that second embodiment of the invention provides.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the present invention, is not intended to limit the present invention.
In the embodiment of the present invention, when sensing the signal of finger, determine the distance of finger and screen, finger is at the subpoint of screen, and determine the view field including finger at the subpoint of screen, choose the element of the view field determined, and the element chosen will be shown in the center of the superposed layer of generation with finger at the element that the distance of the subpoint of screen is the shortest, remaining element is shown in around the center of superposed layer according to the arrangement position correspondence of dummy keyboard, when receiving user and selecting instruction at the element that superposed layer sends, the element of instruction output correspondence is selected according to described element.
In order to technical solutions according to the invention are described, illustrate below by specific embodiment.
Embodiment one:
Fig. 1 illustrates the flow chart of the input method of a kind of dummy keyboard that first embodiment of the invention provides, and details are as follows:
Step S11, when sensing the signal of finger, it is determined that the distance of finger and screen and finger are at the subpoint of screen.
In this step, screen intelligent terminal is provided with the induction apparatus of finger sensing suspension function, when finger is close in the process of the element of dummy keyboard, as long as close distance reaches in the scope that induction apparatus can sense, induction apparatus will send identification signal, and identify the position at the current place of finger, and then determine the distance of finger and screen, and finger induction point on screen is defined as the finger subpoint at screen.Wherein, the element of dummy keyboard includes: letter, numeral, symbol etc..The signal of the finger of sensing in the present embodiment, can also be sense such as felt pen etc. to touch the signal of body in other embodiments.
Alternatively, at the described distance determining finger and screen and finger before the subpoint of screen, including:
The arrangement position of each element in record dummy keyboard, the arrangement position of each element includes the position of each element and the relative position of each element.Specifically, the information of record is saved in the file specified, in order to follow-up calls.Wherein, the relative position of each element refers to each element relative position in dummy keyboard, such as, assume in dummy keyboard, letter " A " is in same a line with letter " S ", and in the left of letter " S ", then this step needs the information of record " letter " A " is in same a line with letter " S ", and in the left of letter " S " " correspondence.
Step S12, it is determined that include the finger view field at the subpoint of screen.
In this step, the shape of view field can be circle, square, rectangle etc., and view field only need to include the finger subpoint at screen.
Alternatively, when view field is circular, it is determined that include the finger view field at the subpoint of screen, specifically include:
A1, compare the length and width of individual element in dummy keyboard, with the higher value in the width of the length and individual element of determining individual element.As a rule, in dummy keyboard, the length and width of each element is all fixing, at this moment, only need to compare the length and width of an element in dummy keyboard.
A2, with finger at the subpoint of screen for the center of circle, the preset multiple of the length of individual element and the higher value in the width of individual element is radius, generates projection circle.The length assuming element is h, and width is w, it is assumed that w > h, and preset multiple is more than 1, and less than specify value in [2,3], for instance, it is assumed that the multiple preset is 2, then projecting round radius is 2w.Make preset multiple more than 1, to ensure that view field covers element suspicious around, and make preset multiple less than specify value in [2,3], excessive with the scope preventing view field, thus covering element invalid too much.
Step S13, chooses the element of view field.
In this step, the element of view field refers to that full detail is all at the element of view field, and most information is all at the element of view field.Such as, as shown in Figure 2, view field is projection circle, P point position is the position at finger place, finger is O at the subpoint of screen, the element of view field is E (most information is all at the element of view field), R (full detail is all at the element of view field), T (most information is all at the element of view field), D (full detail is all at the element of view field), F (most information is all at the element of view field), then the element of the view field that this step is chosen is: E, R, T, D, F.
Step S14, will be shown in the center of the superposed layer of generation with finger at the element that the distance of the subpoint of screen is the shortest in the element chosen, remaining element is shown in around the center of superposed layer according to the arrangement position correspondence of dummy keyboard.Distance between the element being selected on the superposed layer of described generation is more than the distance of the element being selected in described view field.
Wherein, the shape of superposed layer can be circle, square, rectangle etc., and accordingly, the center of superposed layer is the center of circle of circle, foursquare center, rectangular center etc..The center of the superposed layer generated is the center of view field, for instance, it is assumed that view field is border circular areas, and superposed layer is also border circular areas, then the center of circle of the border circular areas of superposed layer is the center of circle of the border circular areas of view field.In this step, owing to being the element that user most possibly to click with finger at the element that the distance of the subpoint of screen is the shortest, therefore, by this element layout at the center of superposed layer generated, be conducive to highlighting this element, and owing to finger is the center of superposed layer at the subpoint of screen, therefore, when the element shown at the center of superposed layer is the element that user needs click, it is not necessary to user moves again, directly down press screen, thus improving operating efficiency.In addition, it is to be noted, superposed layer is selected the distance between element more than the distance being selected between element in the step S12 view field determined, for example, it is possible to realize more than the step S12 view field's area determined by changing the area of superposed layer, it is the border circular areas of 1.5w if hypothesis view field is radius, then superposed layer can be the border circular areas of 2w for radius, so, there is bigger interval between the element of display, it is simple to user selects correct element.Wherein, w is the higher value in the length of element and the width of element.Can also pass through simply to change the spacing being selected element arrangement on superposed layer, as shown in the center of circle in the element chosen with finger at the shortest element of the distance of the subpoint of screen, then circumferentially show remaining element thus the distance that increases between selected element.
Alternatively, described being shown in the center of the superposed layer of generation in the element chosen at the element that the distance of the subpoint of screen is the shortest with finger, remaining element is shown in around the center of superposed layer according to the arrangement position correspondence of dummy keyboard, specifically includes:
B1, described superposed layer are the circle that suspends；The element chosen will be shown in, at the element that the distance of the subpoint of screen is the shortest, the center of circle that the suspension of generation is justified with finger.In this step, when superposed layer generally circular in shape, by with finger in the shortest element layout of the distance of the subpoint of screen in the center of circle of the circle that suspends generated,
B2, according to the relative position of the position of each element and each element in the dummy keyboard of record, the element being in the left side of the element being shown in the center of circle in dummy keyboard is shown in the left-hand component of the circumference of the circle that suspends, the element being in the right of the element being shown in the center of circle in dummy keyboard is shown in the right-hand component of the circumference of the circle that suspends；The element being in the element on the left side of the element being shown in the center of circle and described dummy keyboard the right being in the element being shown in the center of circle in described dummy keyboard is all the element chosen.
In B1 and B2, if superposed layer is generally circular in shape, then by with finger in the distance of the subpoint of the screen the shortest element layout center of circle at the circle that suspends generated, the element being in the left side of the element being shown in the center of circle in dummy keyboard is shown in the left-hand component of the circumference of the circle that suspends, the element being in the right of the element being shown in the center of circle in dummy keyboard is shown in the right-hand component of the circumference of the circle that suspends, the elements below being in the element being shown in the center of circle in dummy keyboard is shown in the lower part of the circumference of the circle that suspends, the above element being in the element being shown in the center of circle in dummy keyboard is shown in the upper part of the circumference of the circle that suspends.For Fig. 2, being R owing to being shown in the element in the center of circle, in dummy keyboard, E is positioned at the left side of R, T is positioned at the right of R, D is positioned at the lower left of R, and F is positioned at the lower right of R, therefore, left-hand component at the circumference of the circle that suspends shows " E " and " D ", right-hand component at the circumference of the circle that suspends shows " T ", and " F ", specifically as shown in Figure 3.Further, suspension circle is bisected into 4 equal portions, the upper left element being in the element being shown in the center of circle is shown in the upper left side of the circle that suspends, between the AD arc in Fig. 4, the top-right element being in the element being shown in the center of circle is shown in part on the right of the round circumference that suspends, between the AB arc in Fig. 4, the element being in the lower left of the element being shown in the center of circle is shown in the left side lower part of the circumference of the circle that suspends, between the DC arc in Fig. 4, the bottom-right element being in the element being shown in the center of circle is shown in the right lower part of the circumference of the circle that suspends, between the BC arc in Fig. 4.Due to identical at the relative position of the element that the element of display shows with dummy keyboard on round circumference that suspends, therefore, cognition and the operating habit of user will not be changed such that it is able to improve the input speed of element.
Step S15, receives the element selection instruction that user sends at superposed layer.
When user touches the element in superposed layer, send element and select instruction.
Alternatively, the described user of reception before the element that superposed layer sends selects instruction, including:
C1, when still sensing the signal of finger, it is determined that the distance of current finger and screen, and current finger is at the subpoint of screen.In this step, if the finger of user still moves at screen, then the signal of finger still felt by screen, and determines the distance of current finger and the screen still sensed, and determines the current finger subpoint at screen.
C2, current finger and screen distance less than on the distance of finger once and screen time, determine the radius of the current projection circle generated according to following formula: (| P1O1 |/| PO |) * R=r, wherein, | P1O1 | is the distance of current finger Yu screen, | PO | is the distance of last finger with screen, and R is the radius of the last projection circle generated.Specifically, P1 is the position at current finger place, and P is the position at last finger place, and O1 is the current finger subpoint at screen, and O is the last finger subpoint at screen.
C3, with current finger at the subpoint of screen for the center of circle, with described r for radius, generate current projection circle.
In above-mentioned C1～C3, when finger is in moving up and down and moving closer to the process of screen, screen continues the position of finger sensing, assume that the current position sensing finger is P1, then obtain P1 subpoint O1 on screen, distance between finger and screen is in continuous reduction, and the direction that finger moves is also in change, closer to the element of required selection.Now, the view field circle O that last time is determined reduces with Tong Bu with the radius of | PO |/| P1O1 | equal proportion, namely new r=(| P1O1 |/| PO |) * R, and circle O position also synchronizes equidirectional movement at the vector PP1 along with finger moving direction, the new view field circle O1 so formed, number of elements in circle O1 progressively reduces the number of the element (R more likely wanting to click for user, D, F), and those are not likely to clicked element (E, T) then filtered out in time, in order to avoid interference user operation.Meanwhile, the distance nearest element of subpoint O1 is updated to F, by the F layout home position at superposed layer, and other elements " R and D " according to RDF relative position layout accordingly on the virtual keyboard on the circumference suspending circle, if R is above F, and D is on the left side of F, specifically as shown in Figure 5.Along with finger constantly near and mobile, want the element clicked to present gradually most, not only increase the degree of accuracy of user's input, constantly screening and filter interference element, also improves input efficiency simultaneously.
Step S16, selects the element of instruction output correspondence according to described element.
For example, it is assumed that element selects the element that instruction is pointed to be D, then output " D ".
In first embodiment of the invention, when sensing the signal of finger, determine the distance of finger and screen, finger is at the subpoint of screen, and determine the view field including finger at the subpoint of screen, choose the element of the view field determined, and the element chosen will be shown in the center of the superposed layer of generation with finger at the element that the distance of the subpoint of screen is the shortest, remaining element is shown in around superposed layer according to the arrangement position correspondence of dummy keyboard, when receiving user and selecting instruction at the element that superposed layer sends, the element of instruction output correspondence is selected according to described element.Owing to user wanting the element clicked carry out screening accordingly and arrangement display, therefore it is easy to the element that user selects to need to click in the element of screening and arrangement display, reduces maloperation, improve the accuracy rate that element is clicked.Additionally, due to do not change the element relative position at dummy keyboard during arrangement display element, therefore, cognition and the operating habit of user will not be changed such that it is able to improve the input speed of element.
Should be understood that in embodiments of the present invention, the size of the sequence number of above-mentioned each process is not meant to the priority of execution sequence, and the execution sequence of each process should be determined with its function and internal logic, and the implementation process of the embodiment of the present invention should not constituted any restriction.
Embodiment two:
Fig. 6 illustrates the structure chart of the input equipment of a kind of dummy keyboard that second embodiment of the invention provides, the input equipment of this dummy keyboard can apply in intelligent terminal, this intelligent terminal can include through the radio access network RAN subscriber equipment communicated with one or more core net, this subscriber equipment can be mobile phone (or being called " honeycomb " phone), there is the computer etc. of mobile equipment, such as, subscriber equipment can also is that portable, pocket, hand-held, built-in computer or vehicle-mounted mobile device, they are with wireless access network switched voice and/or data.Again such as, this moves equipment and can include smart mobile phone, panel computer, personal digital assistant PDA, point-of-sale terminal POS or vehicle-mounted computer etc..For the ease of illustrating, illustrate only the part relevant to the embodiment of the present invention.
The input equipment of described dummy keyboard includes: finger information determines that unit 61, view field determine that unit 62, element choose unit 63, element suspension display unit 64, element selection instruction reception unit 65, element output unit 66.Wherein:
Finger information determines unit 61, for when sensing the signal of finger, it is determined that the distance of finger and screen and finger are at the subpoint of screen.
Wherein, this finger information determines that unit 61 has finger sensing suspension function.When finger is close in the process of the element of dummy keyboard, as long as close distance reaches in the scope that can sense, this finger information determines that unit 61 will send identification signal, and identify the position at the current place of finger, and then determine the distance of finger and screen, and finger induction point on screen is defined as the finger subpoint at screen.Wherein, the element of dummy keyboard includes: letter, numeral, symbol etc..The signal of the finger of sensing in the present embodiment, can also be sense such as felt pen etc. to touch the signal of body in other embodiments.
Alternatively, described device includes:
The positional information record unit of element, for recording the arrangement position of each element in dummy keyboard, the arrangement position of each element includes the position of each element and the relative position of each element.Specifically, the information of record is saved in the file specified, in order to follow-up calls.
View field determines unit 62, for determining the view field including finger at the subpoint of screen.
Wherein, the shape of view field can be circle, square, rectangle etc..
Alternatively, described view field determines that unit 62 includes:
Element size comparison module, for comparing the length and width of individual element in dummy keyboard, with the higher value in the width of the length and individual element of determining individual element.
Projection circle generation module, for finger at the subpoint of screen for the center of circle, the preset multiple of the length of individual element and the higher value in the width of individual element is radius, generates projection circle.Wherein, preset multiple is more than 1, and less than specify value in [2,3].Make preset multiple more than 1, to ensure that view field covers element suspicious around, and make preset multiple less than specify value in [2,3], excessive with the scope preventing view field, thus covering element invalid too much.
Element chooses unit 63, for choosing the element of view field.
Wherein, the element of view field refers to that full detail is all at the element of view field, and most information is all at the element of view field.
Element suspension display unit 64, for the center of the superposed layer by being shown in generation in the element chosen at the element that the distance of the subpoint of screen is the shortest with finger, remaining element is shown in around the center of superposed layer according to the arrangement position correspondence of dummy keyboard.Distance between the element being selected on the superposed layer of described generation is more than the distance of the element being selected in described view field.
Wherein, the shape of superposed layer can be circle, square, rectangle etc., and accordingly, the center of superposed layer is the center of circle of circle, foursquare center, rectangular center etc..
Owing to being the element that user most possibly to click with finger at the element that the distance of the subpoint of screen is the shortest, therefore, by this element layout at the center of superposed layer generated, be conducive to highlighting this element, and owing to finger is the center of superposed layer at the subpoint of screen, therefore, when the element shown at the center of superposed layer is the element that user needs click, again moving without user, directly down pressing screen, thus improving operating efficiency.
Alternatively, described element suspension display unit 64 includes:
The element being shown in the center of circle determines module, is the circle that suspends for described superposed layer.The element chosen will be shown in, at the element that the distance of the subpoint of screen is the shortest, the center of circle that the suspension of generation is justified with finger.
The element being shown in circumference determines module, for the relative position of the position of each element and each element in the dummy keyboard according to record, the element being in the left side of the element being shown in the center of circle in dummy keyboard is shown in the left-hand component of the circumference of the circle that suspends, the element being in the right of the element being shown in the center of circle in dummy keyboard is shown in the right-hand component of the circumference of the circle that suspends.The element being in the element on the left side of the element being shown in the center of circle and described dummy keyboard the right being in the element being shown in the center of circle in described dummy keyboard is all the element chosen.
Due to identical at the relative position of the element that the element of display shows with dummy keyboard on round circumference that suspends, therefore, cognition and the operating habit of user will not be changed such that it is able to improve the input speed of element.
Element selects instruction reception unit 65, and the element sent at superposed layer for receiving user selects instruction.
Alternatively, described device includes:
Finger information heavily determines unit, for when still sensing the signal of finger, it is determined that the distance of current finger and screen, and current finger is at the subpoint of screen.
Projection radius of circle determines module, for current finger and screen distance less than on the distance of finger once and screen time, determine the radius of the current projection circle generated according to following formula: (| P1O1 |/| PO |) * R=r, wherein, | P1O1 | is the distance of current finger Yu screen, | PO | is the distance of last finger with screen, and R is the radius of the last projection circle generated.
Projection circle re-generates module, for current finger at the subpoint of screen for the center of circle, with described r for radius, generate current projection circle.
Constantly move and in the process of screen at finger, present the element wanting to click at superposed layer gradually, screen and filtered the element of interference, improve the degree of accuracy of user's input, also improve the efficiency of input.
Element output unit 66, for selecting the element of instruction output correspondence according to described element.
In second embodiment of the invention, owing to user wanting the element clicked screen accordingly, and the element arrangement after screening is shown in the superposed layer of generation, therefore the element that user selects to need to click in the element of screening and arrangement display it is easy to, reduce maloperation, improve the accuracy rate that element is clicked.Additionally, due to do not change the element relative position at dummy keyboard during arrangement display element, therefore, cognition and the operating habit of user will not be changed such that it is able to improve the input speed of element.
Those of ordinary skill in the art are it is to be appreciated that the unit of each example that describes in conjunction with the embodiments described herein and algorithm steps, it is possible to being implemented in combination in of electronic hardware or computer software and electronic hardware.These functions perform with hardware or software mode actually, depend on application-specific and the design constraint of technical scheme.Professional and technical personnel specifically can should be used for using different methods to realize described function to each, but this realization is it is not considered that beyond the scope of this invention.
Those skilled in the art is it can be understood that arrive, for convenience and simplicity of description, and the specific works process of the system of foregoing description, device and unit, it is possible to reference to the corresponding process in preceding method embodiment, do not repeat them here.
In several embodiments provided herein, it should be understood that disclosed system, apparatus and method, it is possible to realize by another way.Such as, device embodiment described above is merely schematic, such as, the division of described unit, being only a kind of logic function to divide, actual can have other dividing mode when realizing, for instance multiple unit or assembly can in conjunction with or be desirably integrated into another system, or some features can ignore, or do not perform.Another point, shown or discussed coupling each other or direct-coupling or communication connection can be through INDIRECT COUPLING or the communication connection of some interfaces, device or unit, it is possible to be electrical, machinery or other form.
The described unit illustrated as separating component can be or may not be physically separate, and the parts shown as unit can be or may not be physical location, namely may be located at a place, or can also be distributed on multiple NE.Some or all of unit therein can be selected according to the actual needs to realize the purpose of the present embodiment scheme.
It addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, it is also possible to be that unit is individually physically present, it is also possible to two or more unit are integrated in a unit.
If described function is using the form realization of SFU software functional unit and as independent production marketing or use, it is possible to be stored in a computer read/write memory medium.Based on such understanding, part or the part of this technical scheme that prior art is contributed by technical scheme substantially in other words can embody with the form of software product, this computer software product is stored in a storage medium, including some instructions with so that a computer equipment (can be personal computer, server, or the network equipment etc.) perform all or part of step of method described in each embodiment of the present invention.And aforesaid storage medium includes: USB flash disk, portable hard drive, read only memory (ROM, Read-OnlyMemory), the various media that can store program code such as random access memory (RAM, RandomAccessMemory), magnetic disc or CD.
The above; being only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, any those familiar with the art is in the technical scope that the invention discloses; change can be readily occurred in or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should described be as the criterion with scope of the claims.
Claims (10)
1. the input method of a dummy keyboard, it is characterised in that described method includes:
When sensing the signal of finger, it is determined that the distance of finger and screen and finger are at the subpoint of screen；
Determine the view field including finger at the subpoint of screen；
Choose the element of view field；
To be shown in the center of the superposed layer of generation in the element chosen at the element that the distance of the subpoint of screen is the shortest with finger, remaining element is shown in around the center of superposed layer according to the arrangement position correspondence of dummy keyboard；Distance between the element being selected on described superposed layer is more than the distance of the element being selected in described view field；
Receive the element selection instruction that user sends at superposed layer；
The element of instruction output correspondence is selected according to described element.
2. method according to claim 1, it is characterised in that described determine the view field including finger at the subpoint of screen, specifically includes:
The relatively length and width of individual element in dummy keyboard, with the higher value in the width of the length and individual element of determining individual element；
With finger at the subpoint of screen for the center of circle, the preset multiple of the length of individual element and the higher value in the width of individual element is radius, generates projection circle.
3. method according to claim 2, it is characterised in that the described user of reception before the element that superposed layer sends selects instruction, including:
When still sensing the signal of finger, it is determined that the distance of current finger and screen, and current finger is at the subpoint of screen；
Current finger and screen distance less than on the distance of finger once and screen time, determine the radius of the current projection circle generated according to following formula: (| P1O1 |/| PO |) * R=r, wherein, | P1O1 | is the distance of current finger Yu screen, | PO | is the distance of last finger with screen, and R is the radius of the last projection circle generated；
With current finger at the subpoint of screen for the center of circle, with described r for radius, generate current projection circle.
4. method according to claim 1, it is characterised in that at the described distance determining finger and screen and finger before the subpoint of screen, including:
The arrangement position of each element in record dummy keyboard, described arrangement position includes the position of each element and the relative position of each element.
5. method according to claim 4, it is characterized in that, described the element chosen will be shown in the center of the superposed layer of generation with finger at the element that the distance of the subpoint of screen is the shortest, remaining element is shown in around the center of superposed layer according to the arrangement position correspondence of dummy keyboard, specifically includes:
Described superposed layer is the circle that suspends；The element chosen will be shown in, at the element that the distance of the subpoint of screen is the shortest, the center of circle that the suspension of generation is justified with finger；
The relative position of the position of each element and each element in dummy keyboard according to record, the element being in the left side of the element being shown in the center of circle in dummy keyboard is shown in the left-hand component of the circumference of the circle that suspends, the element being in the right of the element being shown in the center of circle in dummy keyboard is shown in the circumference right-hand component of the circle that suspends；The element being in the element on the left side of the element being shown in the center of circle and described dummy keyboard the right being in the element being shown in the center of circle in described dummy keyboard is all the element chosen.
6. the input equipment of a dummy keyboard, it is characterised in that described device includes:
Finger information determines unit, for when sensing the signal of finger, it is determined that the distance of finger and screen and finger are at the subpoint of screen；
View field determines unit, for determining the view field including finger at the subpoint of screen；
Element chooses unit, for choosing the element of view field；
Element suspension display unit, for the center of the superposed layer by being shown in generation in the element chosen at the element that the distance of the subpoint of screen is the shortest with finger, remaining element is shown in around the center of superposed layer according to the arrangement position correspondence of dummy keyboard；Distance between the element being selected on the superposed layer of described generation is more than the distance of the element being selected in described view field；
Element selects instruction reception unit, and the element sent at superposed layer for receiving user selects instruction；
Element output unit, for selecting the element of instruction output correspondence according to described element.
7. device according to claim 6, it is characterised in that described view field determines that unit includes:
Element size comparison module, for comparing the length and width of individual element in dummy keyboard, with the higher value in the width of the length and individual element of determining individual element；
Projection circle generation module, for finger at the subpoint of screen for the center of circle, the preset multiple of the length of individual element and the higher value in the width of individual element is radius, generates projection circle.
8. device according to claim 7, it is characterised in that described device includes:
Finger information heavily determines unit, for when still sensing the signal of finger, it is determined that the distance of current finger and screen, and current finger is at the subpoint of screen；
Projection radius of circle determines module, for current finger and screen distance less than on the distance of finger once and screen time, determine the radius of the current projection circle generated according to following formula: (| P1O1 |/| PO |) * R=r, wherein, | P1O1 | is the distance of current finger Yu screen, | PO | is the distance of last finger with screen, and R is the radius of the last projection circle generated；
Projection circle re-generates module, for current finger at the subpoint of screen for the center of circle, with described r for radius, generate current projection circle.
9. device according to claim 6, it is characterised in that described device includes:
The positional information record unit of element, for recording the arrangement position of each element in dummy keyboard, described arrangement position includes the position of each element and the relative position of each element.
10. device according to claim 9, it is characterised in that described element suspension display unit includes:
The element being shown in the center of circle determines module, is the circle that suspends for described superposed layer；The element chosen will be shown in, at the element that the distance of the subpoint of screen is the shortest, the center of circle that the suspension of generation is justified with finger；
The element being shown in circumference determines module, for the relative position of the position of each element and each element in the dummy keyboard according to record, the element being in the left side of the element being shown in the center of circle in dummy keyboard is shown in the left-hand component of the circumference of the circle that suspends, the element being in the right of the element being shown in the center of circle in dummy keyboard is shown in the right-hand component of the circumference of the circle that suspends；The element being in the element on the left side of the element being shown in the center of circle and described dummy keyboard the right being in the element being shown in the center of circle in described dummy keyboard is all the element chosen.
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