CN104035698B - Terminal device and its state switching method - Google Patents

Terminal device and its state switching method Download PDF

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CN104035698B
CN104035698B CN201310068210.XA CN201310068210A CN104035698B CN 104035698 B CN104035698 B CN 104035698B CN 201310068210 A CN201310068210 A CN 201310068210A CN 104035698 B CN104035698 B CN 104035698B
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state
terminal device
sliding characteristics
movement locus
induction region
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CN104035698A (en
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甘大勇
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Lenovo Beijing Ltd
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Lenovo Beijing Ltd
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Abstract

Terminal device and its state switching method, the terminal device, which comprises at least first state and second state different from first state, terminal device, to be included:Touch sensing unit, there is the touching induction region of predefined size, and configure to detect touch of the operating body of user in touching induction region;Processing unit, configuration carrys out the switching in monitoring terminal equipment between the first state and a second state, wherein during terminal device is in first state, processing unit is based on touch sensing unit acquisition operating body and touching induction region is carried out to operate caused movement locus, obtain the characteristic parameter of movement locus, and judge movement locus characteristic parameter whether with the sliding characteristics Model Matching of the specific user prestored, when the characteristic parameter and the sliding characteristics Model Matching of the specific user prestored of movement locus, processing unit performs switching command, and according to switching command, processing unit control terminal device switches to the second state from first state.

Description

Terminal device and its state switching method
Technical field
The present invention relates to a kind of terminal device and its state switching method.
Background technology
With the development of terminal technology, increasing user is provided with least one terminal device(Such as, intelligent hand Machine, notebook, tablet personal computer etc.).For the safety of the personal information of user, terminal device is commonly provided with security function (Such as, cryptographic function or pattern unblock)To protect the data in terminal device.For example, open security function in terminal device When, when terminal device is started shooting or is unlocked, terminal device would generally prompt user's input password to be operated to be unlocked, and User could using terminal equipment after unlocking successfully.However, input password or input the unlocking pattern are generally all cumbersome, meetings The usage experience of user is caused to degrade.In addition, if the password leakage of terminal device, then other people can also obtain end easily The data of end equipment memory storage.
The content of the invention
In order to solve above-mentioned technical problem of the prior art, according to an aspect of the present invention, there is provided a kind of terminal device, The terminal device comprises at least first state and second state different from the first state, wherein when the terminal device During in the first state, the terminal device is able to carry out the first instruction set, and when the terminal device is in described the During two-state, the terminal device is able to carry out the second instruction set, and the number of first instruction set is less than described second The number of instruction set, the terminal device include:Touch sensing unit, there is the touching induction region of predefined size, and match somebody with somebody Put the touch to detect the operating body of user in the touching induction region;Processing unit, configure to be set in the monitoring terminal The standby switching between the first state and second state, wherein during the terminal device is in first state, The processing unit is based on producing when the touch sensing unit acquisition operating body operates the touching induction region Raw movement locus, the processing unit obtain the characteristic parameter of the movement locus, and judge the spy of the movement locus Parameter is levied whether with the sliding characteristics Model Matching of the specific user prestored, characteristic parameter and institute when the movement locus When stating the sliding characteristics Model Matching of the specific user prestored, the processing unit performs switching command, wherein described cut Change instruction and belong to first instruction set;And according to the switching command, the processing unit control the terminal device from The first state switches to second state.
In addition, according to one embodiment of present invention, wherein the first state is the lock-out state of the terminal device; And the non-locking state that second state is the terminal device.
In addition, according to one embodiment of present invention, wherein the characteristic parameter is comprised at least with producing the motion rail The pressure of operation that is carried out during mark to the touching induction region, the shape of the movement locus, time, described of the operation Operating body has with one kind in the contact area of the touching induction region or the starting of the movement locus and termination point coordinates The supplemental characteristic of pass.
In addition, according to one embodiment of present invention, wherein the terminal device further comprises:Memory cell, configuration To store the sliding characteristics model of specific user, the sliding characteristics model by the specific user slide training number According to foundation.
In addition, according to one embodiment of present invention, wherein when the terminal device is in second state, it is described Processing unit obtains the instruction under the conditions of default, by slide of the operating body on the touching induction region Practice data to establish sliding characteristics model.
In addition, according to one embodiment of present invention, wherein sliding characteristics model includes corresponding with the specific user Sliding characteristics parameter, and be unique for the specific user.
In addition, according to one embodiment of present invention, wherein the sliding characteristics parameter and the person's handwriting of the specific user It is corresponding, and comprise at least the pressure of the slide carried out in the touching induction region, the motion rail of the slide The contact area or the slip of the shape of mark, the time of the slide, the operating body with the touching induction region A kind of relevant supplemental characteristic in the starting and termination point coordinates of track.
In addition, according to another aspect of the present invention, there is provided a kind of state switching method, applied to terminal device, the end End equipment comprises at least first state and second state different from the first state, wherein when the terminal device is in institute When stating first state, the terminal device is able to carry out the first instruction set, and when the terminal device is in second state When, the terminal device is able to carry out the second instruction set, and the number of first instruction set is less than second instruction set Number, and the terminal device includes the touching induction region with predefined size and the operating body for detecting user exists The touch sensing unit of the touch of the touching induction region, the state switching method include:It is in the terminal device During first state, obtained when the operating body operates to the touching induction region and produced based on the touch sensing unit Raw movement locus;Obtain the characteristic parameter of the movement locus, and judge the movement locus characteristic parameter whether with The sliding characteristics Model Matching of the specific user prestored;When the characteristic parameter of the movement locus prestores with described During the sliding characteristics Model Matching of specific user, switching command is performed, wherein the switching command belongs to first instruction set; And according to the switching command, the terminal device is controlled to switch to the second state from first state.
In addition, according to one embodiment of present invention, wherein the first state is the lock-out state of the terminal device; And the non-locking state that second state is the terminal device.
In addition, according to one embodiment of present invention, wherein the characteristic parameter is comprised at least with producing the motion rail The pressure of operation that is carried out during mark to the touching induction region, the shape of the movement locus, time, described of the operation Operating body has with one kind in the contact area of the touching induction region or the starting of the movement locus and termination point coordinates The supplemental characteristic of pass.
In addition, according to one embodiment of present invention, wherein slip of the sliding characteristics model by the specific user The training data of operation is established.
In addition, according to one embodiment of present invention, wherein when the terminal device is in second state, pre- If under conditions of, the training data is obtained to establish by slide of the operating body on the touching induction region Sliding characteristics model.
In addition, according to one embodiment of present invention, wherein sliding characteristics model includes corresponding with the specific user Sliding characteristics parameter, and be unique for the specific user.
In addition, according to one embodiment of present invention, wherein the sliding characteristics parameter and the person's handwriting of the specific user It is corresponding, and comprise at least the pressure of the slide carried out in the touching induction region, the motion rail of the slide The contact area or the slip of the shape of mark, the time of the slide, the operating body with the touching induction region A kind of relevant supplemental characteristic in the starting and termination point coordinates of track.
By above-mentioned configuration, during the terminal device is in first state, the specific use of terminal device can be passed through Movement locus characteristic parameter caused by operation of the family on the touching induction region of touch sensing unit determines whether Terminal device is switched to the second state from first state, wherein first state is the lock-out state of terminal device, and the second shape State is the non-locking state of terminal device.Here, due to different people slide or handwriting input person's handwriting feature ginseng Number is all different and is difficult to imitate, therefore utilizes the slide of user or the characteristic parameter of handwriting of terminal device To be unlocked, not only for being security convenient, and that terminal device can be greatly improved for user.
Brief description of the drawings
Fig. 1 is the block diagram of diagram terminal device according to embodiments of the present invention;And
Fig. 2 is the flow chart of diagram state switching method according to embodiments of the present invention.
Embodiment
It will be described in detail with reference to the accompanying drawings each embodiment according to the present invention.Here it is to be noted that it in the accompanying drawings, Identical reference, which is assigned, substantially has the part of same or like 26S Proteasome Structure and Function, and will omit on it Repeated description.
Terminal device according to embodiments of the present invention is described next, with reference to Fig. 1.Fig. 1 is that diagram is implemented according to the present invention The block diagram of the terminal device of example.
As shown in figure 1, terminal device 1 according to embodiments of the present invention can be such as smart mobile phone, tablet personal computer or pen Remember the terminal device of this etc.According to an embodiment of the invention, terminal device 1 can comprise at least first state and with the first shape The second different state of state.For example, the first state of terminal device 1 can be the lock-out state of terminal device 1(Such as, terminal is set Standby 1 state just started shooting or entered after standby a period of time), and the second state of terminal device 1 can be terminal device 1 Non-locking state(Such as, released state).In this case, when terminal device 1 is in first state, the energy of terminal device 1 Enough perform the first instruction set(Such as, screen locking function, the monitoring function of unblock operation or function for receiving calls etc.), and when terminal is set When being in the second state for 1, the terminal device 1 is able to carry out the second instruction set(Such as, the program or work(that normal use can provide Energy).In this case, because terminal device 1 is only capable of performing limited function, therefore first instruction set in the first state Number be less than the second instruction set number.
According to an embodiment of the invention, terminal device 1 can include touch sensing unit 10 and processing unit 11.
Touch sensing unit 10 can be realized by arbitrary touch panel.For example, it is smart mobile phone or flat in terminal device 1 In the case of plate computer, the touch sensing unit 10 can be the touch panel of the touch-screen of terminal device 1.And in terminal device In the case that 1 is notebook computer, touch sensing unit 10 can be the touch panel or touch-control of the touch-screen of terminal device 1 Plate.Here, touch sensing unit 10 has the touching induction region of predefined size(Such as, screen or touch-control based on terminal device 1 The design of plate determines), and the operating body of user can be detected(Such as, finger or stylus)In touching for the touching induction region Touch.
Processing unit 11 can be realized by arbitrary processor or microprocessor, and can be preset in terminal device 1 Instruction set or program perform default processing.According to an embodiment of the invention, processing unit 11 can be in preset instruction set/journey Sequence(Such as, unlocking program)Control under, monitor and control the switching of terminal device 1 between the first state and a second state.Tool Body, during terminal device 1 is in first state, when the user of terminal device 1 is desirable for terminal device 1, the user Predetermined button can be passed through(Such as, power key or activation manipulation)Activate unlock instruction collection/program so that in the unlock instruction Under the control of collection/program, processing unit 11 can monitor and control terminal device 1 to be grasped from first state to the switching of the second state Make.
For example, during terminal device 1 is in first state, pass through predetermined button in the user(Such as, power key or sharp Operation living)After activating unlock instruction collection/program, processing unit 11 can obtain the operation of user based on touch sensing unit 10 Body carries out operating caused movement locus to the touching induction region of touch sensing unit 10.Meanwhile processing unit 11 obtains The characteristic parameter of the movement locus.Here, according to one embodiment of present invention, the characteristic parameter of movement locus comprises at least (But it is not limited to)The pressure for the operation that the operating body of user is carried out to touching induction region, movement locus during with producing movement locus Shape, operation time, the contact area of operating body and touching induction region or the starting of movement locus and termination point coordinates Etc. in a kind of relevant supplemental characteristic.
Here, the supplemental characteristic of the pressure of the operation carried out on the operating body of user to touching induction region can be behaviour Total pressure during being operated as body(Multiple average pressures for touching sampled point in operating process)Or instantaneous pressure value Maximum and minimum value, and this can be by the pressure inductor that is arranged on touching induction region(It is not shown)Obtain.Motion The supplemental characteristic of the shape of track(Such as, pattern)It can be existed by the operating body that processing unit 11 is obtained using touch sensing unit 10 The sampled point of multiple touch locations when being operated on touching induction region obtains.Here, in processing unit 11 defined In time(Such as, 0.5~1 second)Fail the operation by the acquisition operating body of touch sensing unit 10(Touch)During position, processing is single Member 11 can determine obtained movement locus as final movement locus and form the supplemental characteristic of final movement locus.Class As, the contact area of time of operation, operating body and touching induction region(It is multiple in operating process to touch being averaged for sampled point The maximum or minimum value of area or contact area)Or the starting of movement locus and the supplemental characteristic for the point coordinates that terminates can be with Obtained by processing unit 11 using touch sensing unit 10, and in processing unit 11 within the defined time(Such as, 0.5~1 Second)Fail the operation by the acquisition operating body of touch sensing unit 10(Touch)During position, can obtain the final operating time, The starting of the contact area or movement locus of operating body and touching induction region and the supplemental characteristic for the point coordinates that terminates.Here, need It should be noted that because the technology of above-mentioned parameter data is well known to those skilled in the art in itself, therefore here Its detailed content is no longer described.
The touching induction region of touch sensing unit 10 is carried out operating caused movement locus obtaining operating body Characteristic parameter after, processing unit 11 judge obtained movement locus characteristic parameter whether with terminal device 1 in advance The sliding characteristics Model Matching of the specific user of storage.
Here, terminal device 1 can include memory cell 12.The memory cell 12 can be by arbitrary storage device(Such as, Flash memory, SD card etc.)Realize, and user data can be stored wherein.According to an embodiment of the invention, memory cell 12 can For the specific user of storage terminal device 1(Authorized user)Sliding characteristics model.Here, the sliding characteristics of specific user Model can be established by the training data of the slide of specific user.According to an embodiment of the invention, based on specific user's The sliding characteristics model that the training data of slide is established can include sliding characteristics parameter corresponding with the specific user.This In, structure and neururgic uniqueness due to human body, therefore the sliding characteristics model of the specific user is specific for this User is unique, i.e. the sliding characteristics model of different people is different.
Below, sliding characteristics model will be described.According to an embodiment of the invention, it is in second in terminal device 1 State(Non-locking state)When, processing unit 11 can pass through the operating body of specific user under the conditions of default(Such as, finger) Slide on the touching induction region of touch sensing unit 11 obtains training data to establish sliding characteristics model.The end The automatic data collection specific user of end equipment 1 is for the terminal device 1 in the second state(Non-locking state)Under the behaviour on touch Make.For example, slip to the left when the specific user by sliding the display content for switching over screen to the left etc. is slided, clicked on etc. Operation.Or pass through handwriting input when handwriting input progress word or pattern editor during progress text editing.Or The handwriting input carried out when being digitally signed.So as to automatically form the sliding characteristics model, to cause the specific user in institute Terminal device is in first state(Lock-out state)When, inputting any slidably inputing can identify what this was slidably inputed Specific user unlocks for the user of the terminal device so as to realize.In other words, it is in first state in institute's terminal device(Lock shape State)When receive the operation of user and can determine whether to unlock.For example, the operation of the user can slidably input operation, And clicking operation.In order that terminal device can gather can information to be compared optimal be to carry out slidably inputing behaviour Make.Certainly.The specific user of terminal device 1 can pass through other safety verification modes(Such as, password, cipher pattern)Make terminal Equipment 1 is switched to the second state from first state, and in the second condition, running default safety by processing unit 11 should For performing acquisition training data and establishing the operation of sliding characteristics model.Here, slide corresponding with training data can To be any slide that specific user defines.For example, slide can be straight line, camber line or the hand-written Chinese of specific user Word, letter or number.In such a case, it is possible to training data is obtained by above-mentioned slide and establishes sliding characteristics mould Type.For example, it is that specific user passes through operating body in slide(Such as, finger)In the case of the Chinese character of input, letter or number, The sliding characteristics parameter of sliding characteristics model can be corresponding with the person's handwriting of the specific user.Specifically, the cunning of sliding characteristics model Dynamic characteristic parameter can comprise at least pressure, the cunning of the slide carried out on the touching induction region of touch sensing unit 10 The shape of movement locus, the time of slide, operating body and the contact area of touching induction region of dynamic operation or slip are grasped A kind of relevant supplemental characteristic in the starting and termination point coordinates of the sliding trace of work.In this case, processing unit 11 Training data can be used as by obtaining above-mentioned sliding characteristics parameter from one or many slides, and be based on above-mentioned cunning Dynamic characteristic parameter establishes sliding characteristics model.Here it is to be noted that it obtain the processing of above-mentioned sliding characteristics parameter with before The supplemental characteristic that movement locus is obtained under the first state of terminal device 1 processing it is similar, therefore repeat no more here.Separately Outside, in the case where establishing sliding characteristics model by single slide, the sliding characteristics model includes the single and slides behaviour The sliding characteristics parameter of work, and in the case where establishing sliding characteristics model by multiple slide, the sliding characteristics model The sliding characteristics parameter of multiple slide can be included.
Judge the characteristic parameter of obtained movement locus whether with being prestored in terminal device 1 in processing unit 11 During the sliding characteristics Model Matching of specific user, processing unit 11 is by the characteristic parameter and sliding characteristics of the movement locus obtained Sliding characteristics parameter in model is compared.
For example, the characteristic parameter of movement locus is to touching induction region with the sliding characteristics parameter in sliding characteristics model Pressure when, can be by the characteristic parameter of movement locus(The maximum and minimum value of total pressure or instantaneous pressure value)With slip Sliding characteristics parameter in characteristic model(The maximum and minimum value of total pressure or instantaneous pressure value)It is compared.If two Difference of the person in permission(Determined based on experiment value)In the range of, then processing unit 11 determines that the two is matched.
In addition, the sliding characteristics parameter in the characteristic parameter and sliding characteristics model of movement locus is the shape of track When, the shape of the two can be compared.Here it is possible to utilize arbitrary Graphic Pattern Matching algorithm performs comparison procedure. In this case, if sliding characteristics parameter(The shape of track)It is corresponding with Chinese character, the letter or number of specific user's input, then In the case of characteristic parameter only in movement locus is identical with sliding characteristics parameter or approximate, processing unit 11 just can be true The two fixed matching.Here, because the person's handwriting of different users is entirely different, and it is difficult to imitate, therefore by the shape of the two Shape, which is compared, can be effectively reduced the possibility that terminal device 1 is switched to the second state by other users from first state.
In addition, it is operating body and touch in the characteristic parameter of movement locus and the sliding characteristics parameter in sliding characteristics model In the case of the contact area of induction region, the contact area of the two can be compared.If the two is identical or approximate, processing is single Member 11 determines that the two is matched.
Similarly, the sliding characteristics parameter in characteristic parameter and the sliding characteristics model of movement locus for operation when Between or the starting of track and termination point coordinates in the case of, only the two is identical or approximate, then processing unit 11 just can determine whether two Person matches.
Here it is to be noted that it the sliding characteristics parameter that can be configured flexibly in sliding characteristics model.For example, Whether processing unit 11 judges the characteristic parameter of obtained movement locus with the specific user's that is prestored in terminal device 1 During sliding characteristics Model Matching, processing unit 11 can utilize sliding characteristics model in any one sliding characteristics parameter or At least two so whole characteristic parameters judged.For example, processing unit 11 can utilize the cunning in sliding characteristics model Dynamic characteristic parameter:The contact area of pressure and operating body and touching induction region to touching induction region judges.This It is because of due to the operating body of different user that sample, which is done,(Such as, finger)It is of different sizes, therefore even if pressed using identical pressure Touching induction region, its contact area are typically different, or even if contact area is identical, it is applied to touching induction region Pressure be also different.In this case, processing unit 11 can be in the two sliding characteristics parameters and movement locus In the case that characteristic parameter matches, the characteristic parameter of movement locus and the sliding characteristics mould of the specific user prestored are determined Type matches.In addition, processing unit 11 can also be merely with a sliding characteristics parameter(The shape of track)To be judged.Separately Outside, processing unit 11 can also be merely with other sliding characteristics parameter combinations(Shape+operating time of track)To be judged, Because even if other people imitate the person's handwriting of specific user, it completes the operation for the time of operation being naturally larger than specific user Time.Certainly, when processing unit 11 is judged using whole sliding characteristics parameters in sliding characteristics model, the judgement knot Fruit has highest security.Here it is possible to determined by the specific user of terminal device(Set by program)Which can be used A little sliding characteristics parameters are judged.In addition, slide is described above as user's handwritten Chinese character, the feelings of letter or number Condition, here slide not limited to this, it is clear that be also based on other slides and establish sliding characteristics model to be based on The gliding model of foundation is judged.
In the sliding characteristics model for the specific user that processing unit 11 determines the characteristic parameter of movement locus and prestores During matching, processing unit 11 performs switching command(Such as, instruction is waken up), here, the switching command belongs to terminal device 1 first The first instruction set being able to carry out under state.Then, terminal device 1 from first is controlled according to the switching command, processing unit 11 State switches to the second state, that is to say, that terminal device 1 is switched to non-locking state by processing unit 11 from lock-out state. In addition, in the sliding characteristics model of specific user that processing unit 11 determines the characteristic parameter of movement locus and prestores not Timing, processing unit 11 do not perform switching command, and in this case, terminal device 1 maintains first state.
By above-mentioned configuration, here, due to different people slide or handwriting input person's handwriting characteristic parameter (Such as, pressure, the shape of track, contact area, operating time etc.)All it is different and is difficult to imitate, therefore utilizes terminal The slide of the user of equipment or the characteristic parameter of handwriting are unlocked, not only for be for user it is convenient, And the security of terminal device can be greatly improved.
State switching method next, with reference to Fig. 2 descriptions according to the present invention.Fig. 2 method may apply to shown in Fig. 1 Terminal device 1 on.Here, the terminal device 1 comprises at least first state and second state different from first state.Example Such as, first state can be the lock-out state of terminal device 1, and the second state can be the non-locking state of terminal device 1 (Such as, released state).In this case, when terminal device 1 is in first state, the terminal device 1 is able to carry out first Instruction set(Such as, screen locking function, the monitoring function of unblock operation or function for receiving calls etc.), and when terminal device 1 is in the During two-state, the terminal device 1 is able to carry out the second instruction set(Such as, the program or function that normal use can provide).At this In the case of kind, because terminal device 1 is only capable of performing limited function in the first state, therefore the number of first instruction set is few In the number of the second instruction set.In addition, terminal device 1 also includes the touching induction region with predefined size and used for detecting The operating body at family(Such as, finger)In the touch sensing unit 10 of the touch of touching induction region.
As shown in Fig. 2 in step S201, during terminal device is in first state, obtained based on touch sensing unit Operating body carries out operating caused movement locus to touching induction region, while obtains the characteristic parameter of the movement locus.
Specifically, during terminal device 1 is in first state, predetermined button is passed through in the user(Such as, power key or Activation manipulation)After activating unlock instruction collection/program, processing unit 11 can obtain the behaviour of user based on touch sensing unit 10 Make body the touching induction region of touch sensing unit 10 is carried out operating caused movement locus.Meanwhile processing unit 11 obtains Take the characteristic parameter of the movement locus.Here, for example, the characteristic parameter of movement locus comprises at least(But it is not limited to)With producing fortune The pressure for the operation that the operating body of user is carried out to touching induction region during dynamic rail mark, the shape of movement locus, operation time, It is a kind of relevant in the starting of the contact area or movement locus of operating body and touching induction region and termination point coordinates etc. Supplemental characteristic.
According to one embodiment of present invention, the pressure of the operation carried out on the operating body of user to touching induction region Supplemental characteristic can be total pressure during operating body is operated(Multiple mean pressures for touching sampled point in operating process Power)Or the maximum and minimum value of instantaneous pressure value, and this can be by the pressure inductor that is arranged on touching induction region (It is not shown)Obtain.The supplemental characteristic of the shape of movement locus(Such as, pattern)Touch sensible list can be utilized by processing unit 11 The sampled point of multiple touch locations of the operating body that member 10 obtains when being operated on touching induction region obtains.Here, exist Processing unit 11 is within the defined time(Such as, 0.5~1 second)Fail the operation by the acquisition operating body of touch sensing unit 10 (Touch)During position, processing unit 11 can determine obtained movement locus as final movement locus and form final fortune The supplemental characteristic of dynamic rail mark.Similarly, the contact area of the time of operation, operating body and touching induction region(In operating process The maximum or minimum value of multiple average areas or contact area for touching sampled point)Or starting and the destination node of movement locus The supplemental characteristic of coordinate can be obtained by processing unit 11 using touch sensing unit 10, and provided in processing unit 11 Time in(Such as, 0.5~1 second)Fail the operation by the acquisition operating body of touch sensing unit 10(Touch), can be with during position Obtain the contact area of final operating time, operating body and touching induction region or the starting of movement locus and destination node is sat Target supplemental characteristic.
In step S202, judge movement locus characteristic parameter whether with the sliding characteristics mould of the specific user prestored Type matches.
Specifically, the touching induction region of touch sensing unit 10 is carried out operating caused fortune obtaining operating body After the characteristic parameter of dynamic rail mark, processing unit 11 judge obtained movement locus characteristic parameter whether with terminal device 1 In the sliding characteristics Model Matching of specific user that prestores.Here, the sliding characteristics model of specific user can be by specific The training data of the slide of user is established.According to an embodiment of the invention, the training of the slide based on specific user The sliding characteristics model that data are established can include sliding characteristics parameter corresponding with the specific user.Here, due to human body Structure and neururgic uniqueness, thus the sliding characteristics model of the specific user be for the specific user it is unique, That is, the sliding characteristics model of different people is different.
The situation for establishing sliding characteristics model is described below, according to an embodiment of the invention, the is in terminal device 1 Two-state(Non-locking state)When, processing unit 11 can pass through the operating body of specific user under the conditions of default(Such as, hand Refer to)Slide on the touching induction region of touch sensing unit 11 obtains training data to establish sliding characteristics model. For example, the specific user of terminal device 1 can pass through other safety verification modes(Such as, password, cipher pattern)Set terminal Standby 1 is switched to the second state from first state, and in the second condition, default safety applications is run by processing unit 11 To perform acquisition training data and establish the operation of sliding characteristics model.Here, slide corresponding with training data can be with It is any slide that specific user defines.For example, slide can be straight line, camber line or the hand-written Chinese of specific user Word, letter or number.In such a case, it is possible to training data is obtained by above-mentioned slide and establishes sliding characteristics mould Type.For example, it is that specific user passes through operating body in slide(Such as, finger)In the case of the Chinese character of input, letter or number, The sliding characteristics parameter of sliding characteristics model can be corresponding with the person's handwriting of the specific user.Specifically, the cunning of sliding characteristics model Dynamic characteristic parameter can comprise at least pressure, the cunning of the slide carried out on the touching induction region of touch sensing unit 10 The shape of movement locus, the time of slide, operating body and the contact area of touching induction region of dynamic operation or slip are grasped A kind of relevant supplemental characteristic in the starting and termination point coordinates of the sliding trace of work.In this case, processing unit 11 Training data can be used as by obtaining above-mentioned sliding characteristics parameter from one or many slides, and be based on above-mentioned cunning Dynamic characteristic parameter establishes sliding characteristics model.Here it is to be noted that it obtain the processing of above-mentioned sliding characteristics parameter with before The supplemental characteristic that movement locus is obtained under the first state of terminal device 1 processing it is similar, therefore repeat no more here.Separately Outside, in the case where establishing sliding characteristics model by single slide, the sliding characteristics model includes the single and slides behaviour The sliding characteristics parameter of work, and in the case where establishing sliding characteristics model by multiple slide, the sliding characteristics model The sliding characteristics parameter of multiple slide can be included.
Judge the characteristic parameter of obtained movement locus whether with being prestored in terminal device 1 in processing unit 11 During the sliding characteristics Model Matching of specific user, processing unit 11 is by the characteristic parameter and sliding characteristics of the movement locus obtained Sliding characteristics parameter in model is compared.
For example, the characteristic parameter of movement locus is to touching induction region with the sliding characteristics parameter in sliding characteristics model Pressure when, can be by the characteristic parameter of movement locus(The maximum and minimum value of total pressure or instantaneous pressure value)With slip Sliding characteristics parameter in characteristic model(The maximum and minimum value of total pressure or instantaneous pressure value)It is compared.If two Difference of the person in permission(Determined based on experiment value)In the range of, then processing unit 11 determines that the two is matched.In addition, in movement locus Characteristic parameter and sliding characteristics model in sliding characteristics parameter when being the shape of track, the shape of the two can be compared Compared with.Here it is possible to utilize arbitrary Graphic Pattern Matching algorithm performs comparison procedure.In this case, if sliding characteristics are joined Number(The shape of track)It is corresponding with Chinese character, the letter or number of specific user's input, then only in the characteristic parameter of movement locus In the case of identical with sliding characteristics parameter or approximate, processing unit 11 just can determine whether the two matching.Here, due to difference The person's handwriting of user be entirely different, and be difficult to imitate, therefore the shape of the two is compared and can be effectively reduced Terminal device 1 is switched to the possibility of the second state by other users from first state.In addition, in the characteristic parameter of movement locus In the case of contact area that the sliding characteristics parameter in sliding characteristics model is operating body and touching induction region, it can compare Compared with the contact area of the two.If the two is identical or approximate, processing unit 11 determines that the two is matched.Similarly, in motion rail The characteristic parameter of mark is sat with the sliding characteristics parameter in sliding characteristics model for the time of operation or the starting of track and destination node In the case of target, only the two is identical or approximate, then processing unit 11 just can determine whether the two matching.
Here it is to be noted that it the sliding characteristics parameter that can be configured flexibly in sliding characteristics model.For example, Whether processing unit 11 judges the characteristic parameter of obtained movement locus with the specific user's that is prestored in terminal device 1 During sliding characteristics Model Matching, processing unit 11 can utilize sliding characteristics model in any one sliding characteristics parameter or At least two so whole characteristic parameters judged.For example, processing unit 11 can utilize the cunning in sliding characteristics model Dynamic characteristic parameter:The contact area of pressure and operating body and touching induction region to touching induction region judges.This It is because of due to the operating body of different user that sample, which is done,(Such as, finger)It is of different sizes, therefore even if pressed using identical pressure Touching induction region, its contact area are typically different, or even if contact area is identical, it is applied to touching induction region Pressure be also different.In this case, processing unit 11 can be in the two sliding characteristics parameters and movement locus In the case that characteristic parameter matches, the characteristic parameter of movement locus and the sliding characteristics mould of the specific user prestored are determined Type matches.In addition, processing unit 11 can also be merely with a sliding characteristics parameter(The shape of track)To be judged.Separately Outside, processing unit 11 can also be merely with other sliding characteristics parameter combinations(Shape+operating time of track)To be judged, Because even if other people imitate the person's handwriting of specific user, it completes the operation for the time of operation being naturally larger than specific user Time.Certainly, when processing unit 11 is judged using whole sliding characteristics parameters in sliding characteristics model, the judgement knot Fruit has highest security.Here it is possible to determined by the specific user of terminal device(Set by program)Which can be used A little sliding characteristics parameters are judged.In addition, slide is described above as user's handwritten Chinese character, the feelings of letter or number Condition, here slide not limited to this, it is clear that be also based on other slides and establish sliding characteristics model to be based on The gliding model of foundation is judged.
In step S203, when the characteristic parameter of movement locus and the sliding characteristics Model Matching of the specific user prestored When, switching command is performed, here, the switching command belongs to the first instruction set.
Specifically, it is special in the slip for the specific user that processing unit 11 determines the characteristic parameter of movement locus and prestores When levying Model Matching, processing unit 11 performs switching command(Such as, instruction is waken up), here, the switching command belongs to terminal device 1 The first instruction set being able to carry out in the first state.
In step S204, according to switching command, control terminal device switches to the second state from first state.
Specifically, terminal device 1 is controlled to switch to the second shape from first state according to the switching command, processing unit 11 State, that is to say, that terminal device 1 is switched to non-locking state by processing unit 11 from lock-out state.
In addition, in the sliding characteristics for the specific user that processing unit 11 determines the characteristic parameter of movement locus and prestores During unmatched models, processing unit 11 does not perform switching command, and in this case, terminal device 1 maintains first state.
By above-mentioned configuration, here, due to different people slide or handwriting input person's handwriting characteristic parameter (Such as, pressure, the shape of track, contact area, operating time etc.)All it is different and is difficult to imitate, therefore utilizes terminal The slide of the user of equipment or the characteristic parameter of handwriting are unlocked, not only for be for user it is convenient, And the security of terminal device can be greatly improved.
Each embodiment of the present invention has been described in detail above.However, it should be appreciated by those skilled in the art that do not taking off In the case of principle and spirit from the present invention, these embodiments can be carried out with various modifications, combination or sub-portfolio, and so Modification should fall within the scope of the present invention.

Claims (12)

1. a kind of terminal device, the terminal device comprises at least first state and second shape different from the first state State, wherein when the terminal device is in the first state, the terminal device is able to carry out the first instruction set, and works as institute When stating terminal device and being in second state, the terminal device is able to carry out the second instruction set, and first instruction The number of collection is less than the number of second instruction set, and the terminal device includes:
Touch sensing unit, there is the touching induction region of predefined size, and configure to detect the operating body of user described The touch of touching induction region;
Processing unit, configuration come in the switching for monitoring the terminal device between the first state and second state,
Wherein during the terminal device is in first state, the processing unit is based on the touch sensing unit and obtains institute Operating body is stated the touching induction region is carried out to operate caused movement locus,
The processing unit obtains the characteristic parameter of the movement locus, and judge the movement locus characteristic parameter whether With the sliding characteristics Model Matching of the specific user prestored,
It is described when the characteristic parameter and the sliding characteristics Model Matching of the specific user prestored of the movement locus Processing unit performs switching command, wherein the switching command belongs to first instruction set, and
According to the switching command, the processing unit controls the terminal device to switch to described second from the first state State,
Wherein when the terminal device is in second state, the processing unit performs default safety applications, passes through Slide of the operating body on the touching induction region obtains training data to establish the sliding characteristics model;
Wherein before the safety applications are run, user by safety verification mode make processing unit control the terminal device from The first state switches to second state.
2. terminal device as claimed in claim 1, wherein
The first state is the lock-out state of the terminal device;And
Second state is the non-locking state of the terminal device.
3. terminal device as claimed in claim 1, wherein when the characteristic parameter is comprised at least with producing the movement locus The pressure of the operation carried out to the touching induction region, the shape of the movement locus, the time of the operation, the operation Body is a kind of relevant with the contact area of the touching induction region or the starting of the movement locus and termination point coordinates Supplemental characteristic.
4. terminal device as claimed in claim 3, wherein the terminal device further comprises:
Memory cell, configure to store the sliding characteristics model of specific user, the sliding characteristics model is by the specific user Slide training data establish.
5. terminal device as claimed in claim 1, wherein sliding characteristics model include slide corresponding with the specific user Characteristic parameter, and be unique for the specific user.
6. terminal device as claimed in claim 5, wherein
The sliding characteristics parameter is corresponding with the person's handwriting of the specific user, and comprises at least to enter in the touching induction region The pressure of capable slide, the shape of movement locus of the slide, the time of the slide, the operating body With a kind of relevant ginseng in the contact area of the touching induction region or the starting of the sliding trace and termination point coordinates Number data.
7. a kind of state switching method, applied to terminal device, the terminal device comprises at least first state and with described the The second different state of one state, wherein when the terminal device is in the first state, the terminal device can be held The instruction set of row first, and when the terminal device is in second state, the terminal device is able to carry out the second instruction Collection, and the number of first instruction set is less than the number of second instruction set, and the terminal device includes having The touching induction region of predefined size and the touch sense for detecting the touch of the operating body of user in the touching induction region Unit is answered, the state switching method includes:
During the terminal device is in first state, the operating body is obtained based on the touch sensing unit and touched to described Induction region is touched to carry out operating caused movement locus;
The characteristic parameter of the movement locus is obtained, and judges the characteristic parameter of the movement locus whether with prestoring The sliding characteristics Model Matching of specific user;
When the characteristic parameter and the sliding characteristics Model Matching of the specific user prestored of the movement locus, perform Switching command, wherein the switching command belongs to first instruction set;And
According to the switching command, the terminal device is controlled to switch to the second state from first state,
Wherein when the terminal device is in second state, default safety applications are run, are existed by the operating body Slide on the touching induction region obtains training data to establish sliding characteristics model;
Wherein before the safety applications are run, user makes the terminal device from the first state by safety verification mode Switch to second state.
8. state switching method as claimed in claim 7, wherein
The first state is the lock-out state of the terminal device;And
Second state is the non-locking state of the terminal device.
9. state switching method as claimed in claim 7, wherein the characteristic parameter is comprised at least with producing the motion rail The pressure of operation that is carried out during mark to the touching induction region, the shape of the movement locus, time, described of the operation Operating body has with one kind in the contact area of the touching induction region or the starting of the movement locus and termination point coordinates The supplemental characteristic of pass.
10. state switching method as claimed in claim 9, wherein
The sliding characteristics model is established by the training data of the slide of the specific user.
11. state switching method as claimed in claim 7, wherein sliding characteristics model include corresponding with the specific user Sliding characteristics parameter, and be unique for the specific user.
12. state switching method as claimed in claim 11, wherein
The sliding characteristics parameter is corresponding with the person's handwriting of the specific user, and comprises at least to enter in the touching induction region The pressure of capable slide, the shape of movement locus of the slide, the time of the slide, the operating body With a kind of relevant ginseng in the contact area of the touching induction region or the starting of the sliding trace and termination point coordinates Number data.
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