CN104035698A - Terminal equipment and state switchover method for same - Google Patents
Terminal equipment and state switchover method for same Download PDFInfo
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- CN104035698A CN104035698A CN201310068210.XA CN201310068210A CN104035698A CN 104035698 A CN104035698 A CN 104035698A CN 201310068210 A CN201310068210 A CN 201310068210A CN 104035698 A CN104035698 A CN 104035698A
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Abstract
The invention discloses terminal equipment and a state switchover method for same. The terminal equipment at least comprises a first state and a second state different from the first state, and comprises a touch induction unit with a touch induction area with a predetermined size and configured to detect the touch of the operation body of a user in the touch induction area, a processing unit configured to monitor the switchover of the terminal equipment between the first state and the second state, wherein during the period that the terminal equipment is in the first state, the processing unit obtains the movement track generated when the operation body operates the touch induction area on the basis of the touch induction unit, obtains the characteristic parameters of the movement track, and judges whether the characteristic parameters of the movement track are matched with the pre-stored slide characteristic model of the specific user, and when the characteristic parameters of the movement track are matched with the pre-stored slide characteristic model of the specific user, the processing unit executes a switchover instruction, and controls the terminal equipment to be switched to the second state from the first state according to the switchover instruction.
Description
Technical field
The present invention relates to a kind of terminal device and state switching method thereof.
Background technology
Along with the development of terminal technology, increasing user be all equipped with at least one terminal device (as, smart mobile phone, notebook, panel computer etc.).For the safety of user's personal information, terminal device be conventionally equipped with security function (as, cryptographic function or pattern release) to protect the data in terminal device.For example, in the time that terminal device has been opened security function, in the time of terminal device start or release, terminal device can point out user to input password to carry out unlocking operation conventionally, and user could use terminal device after release success.But input password or input release pattern are all loaded down with trivial details conventionally, can cause user's experience degradation.In addition, if the password of terminal device is revealed, other people also can obtain the data of storage in terminal device easily.
Summary of the invention
In order to solve above-mentioned technical matters of the prior art, according to an aspect of the present invention, a kind of terminal device is provided, described terminal device at least comprises the first state and second state different from described the first state, wherein when described terminal device is during in described the first state, described terminal device can be carried out the first instruction set, and when described terminal device is during in described the second state, described terminal device can be carried out the second instruction set, and the number of described the first instruction set is less than the number of described the second instruction set, described terminal device comprises: touch sensing unit, there is the touching induction region of pre-sizing, and configuration detects user's operating body in the touch of described touching induction region, processing unit, configuration carrys out the switching between described the first state and described the second state at the described terminal device of monitoring, wherein at described terminal device during the first state, the movement locus that described processing unit produces when obtaining described operating body described touching induction region is operated based on described touch sensing unit, described processing unit obtains the characteristic parameter of described movement locus, and the characteristic parameter that judges described movement locus whether with pre-stored specific user's sliding characteristics Model Matching, in the time of the characteristic parameter of described movement locus and described pre-stored specific user's sliding characteristics Model Matching, described processing unit is carried out switching command, wherein said switching command belongs to described the first instruction set, and according to described switching command, terminal device switches to described the second state from described the first state described in described processing unit control.
In addition, according to one embodiment of present invention, the lock-out state that wherein said the first state is described terminal device; And described the second state unlock state that is described terminal device.
In addition, according to one embodiment of present invention, wherein said characteristic parameter at least comprises a kind of relevant supplemental characteristic in the contact area of pressure, the shape of described movement locus, the time of described operation, described operating body and described touching induction region or the initial sum destination node coordinate of described movement locus of the operation of described touching induction region being carried out when producing described movement locus.
In addition, according to one embodiment of present invention, wherein said terminal device further comprises: storage unit, and specific user's sliding characteristics model is stored in configuration, and described sliding characteristics model is set up by the training data of described specific user's slide.
In addition, according to one embodiment of present invention, wherein at described terminal device during in described the second state, described processing unit is under default condition, and the slide by described operating body on described touching induction region obtains described training data to set up sliding characteristics model.
In addition, according to one embodiment of present invention, wherein sliding characteristics model comprises the sliding characteristics parameter corresponding with described specific user, and is unique for described specific user.
In addition, according to one embodiment of present invention, wherein said sliding characteristics parameter is corresponding with described specific user's person's handwriting, and is at least included in the shape of the movement locus of the pressure of the slide that described touching induction region carries out, described slide, the time of described slide, described operating body and a kind of relevant supplemental characteristic in the contact area of described touching induction region or the initial sum destination node coordinate of described sliding trace.
In addition, according to a further aspect in the invention, a kind of state switching method is provided, be applied to terminal device, described terminal device at least comprises the first state and second state different from described the first state, wherein when described terminal device is during in described the first state, described terminal device can be carried out the first instruction set, and when described terminal device is during in described the second state, described terminal device can be carried out the second instruction set, and the number of described the first instruction set is less than the number of described the second instruction set, and described terminal device comprises having the touching induction region of pre-sizing and the touch sensing unit in the touch of described touching induction region for detection of user's operating body, described state switching method comprises: at described terminal device during the first state, the movement locus producing when obtaining described operating body described touching induction region is operated based on described touch sensing unit, obtain the characteristic parameter of described movement locus, and the characteristic parameter that judges described movement locus whether with pre-stored specific user's sliding characteristics Model Matching, in the time of the characteristic parameter of described movement locus and described pre-stored specific user's sliding characteristics Model Matching, carry out switching command, wherein said switching command belongs to described the first instruction set, and according to described switching command, control described terminal device and switch to the second state from the first state.
In addition, according to one embodiment of present invention, the lock-out state that wherein said the first state is described terminal device; And described the second state unlock state that is described terminal device.
In addition, according to one embodiment of present invention, wherein said characteristic parameter at least comprises a kind of relevant supplemental characteristic in the contact area of pressure, the shape of described movement locus, the time of described operation, described operating body and described touching induction region or the initial sum destination node coordinate of described movement locus of the operation of described touching induction region being carried out when producing described movement locus.
In addition, according to one embodiment of present invention, wherein said sliding characteristics model is set up by the training data of described specific user's slide.
In addition, according to one embodiment of present invention, wherein at described terminal device during in described the second state, under default condition, the slide by described operating body on described touching induction region obtains described training data to set up sliding characteristics model.
In addition, according to one embodiment of present invention, wherein sliding characteristics model comprises the sliding characteristics parameter corresponding with described specific user, and is unique for described specific user.
In addition, according to one embodiment of present invention, wherein said sliding characteristics parameter is corresponding with described specific user's person's handwriting, and is at least included in the shape of the movement locus of the pressure of the slide that described touching induction region carries out, described slide, the time of described slide, described operating body and a kind of relevant supplemental characteristic in the contact area of described touching induction region or the initial sum destination node coordinate of described sliding trace.
By above-mentioned configuration, at described terminal device during the first state, movement locus characteristic parameter that can the operation on the touching induction region of touch sensing unit produces by the specific user of terminal device judges whether to allow terminal device to be switched to the second state from the first state, the lock-out state that wherein the first state is terminal device, and the unlock state that the second state is terminal device.Here, because the characteristic parameter of different people's slide or the person's handwriting of handwriting input is all different and is difficult to imitate, therefore utilize user's slide or the characteristic parameter of handwriting of terminal device to carry out release, be not only easily for user, and can greatly improve the security of terminal device.
Brief description of the drawings
Fig. 1 is that diagram is according to the block scheme of the terminal device of the embodiment of the present invention; And
Fig. 2 is that diagram is according to the process flow diagram of the state switching method of the embodiment of the present invention.
Embodiment
Describe in detail with reference to the accompanying drawings according to each embodiment of the present invention.Here, it should be noted that in the accompanying drawings, identical Reference numeral is given and substantially had ingredient identical or similar structures and function, and will omit being repeated in this description about them.
Below, describe according to the terminal device of the embodiment of the present invention with reference to Fig. 1.Fig. 1 is that diagram is according to the block scheme of the terminal device of the embodiment of the present invention.
As shown in Figure 1, can be the terminal device such as smart mobile phone, panel computer or notebook according to the terminal device 1 of the embodiment of the present invention.According to embodiments of the invention, terminal device 1 can at least comprise the first state and second state different from the first state.For example, the first state of terminal device 1 can be terminal device 1 lock-out state (as, the state that terminal device 1 has just been started shooting or entered after standby a period of time), and the second state of terminal device 1 can be the unlock state (as, released state) of terminal device 1.In this case, when terminal device 1 is during in the first state, this terminal device 1 can carry out the first instruction set (as, the monitoring function of screen locking function, unlocking operation or the function receiving calls etc.), and when terminal device 1 is during in the second state, this terminal device 1 can carry out the second instruction set (as, program or function that normal use can provide).In this case, because terminal device 1 only can be carried out limited function under the first state, therefore the number of this first instruction set is less than the number of the second instruction set.
According to embodiments of the invention, terminal device 1 can comprise touch sensing unit 10 and processing unit 11.
Touch sensing unit 10 can be realized by touch panel arbitrarily.For example, in the situation that terminal device 1 is smart mobile phone or panel computer, this touch sensing unit 10 can be the touch panel of the touch-screen of terminal device 1.And in the situation that terminal device 1 is notebook computer, touch sensing unit 10 can be touch panel or the Trackpad of the touch-screen of terminal device 1.Here, touch sensing unit 10 has the touching induction region (as, the screen based on terminal device 1 or the design of Trackpad determine) of pre-sizing, and can detect user operating body (as, finger or pointer) in the touch of this touching induction region.
Processing unit 11 can be realized by processor or microprocessor arbitrarily, and instruction set or the program that can be preset in terminal device 1 are carried out default processing.According to embodiments of the invention, processing unit 11 can be under the control of (as, unlocking program) of preset instruction set/program, monitoring the switching of control terminal 1 between the first state and the second state.Particularly, at terminal device 1 during the first state, in the time that the user of terminal device 1 wishes to use terminal device 1, this user can by predetermined button (as, power key or activation manipulation) activation unlock command collection/program, make under the control of this unlock command collection/program, processing unit 11 can be monitored and the blocked operation of control terminal 1 from the first state to the second state.
For example, at terminal device 1 during the first state, this user by predetermined button (as, power key or activation manipulation) activate unlock command collection/program after, the movement locus that the operating body that processing unit 11 can obtain user based on touch sensing unit 10 produces when the touching induction region of touch sensing unit 10 is operated.Meanwhile, processing unit 11 obtains the characteristic parameter of this movement locus.Here, according to one embodiment of present invention, the characteristic parameter of movement locus at least includes, but is not limited to a kind of relevant supplemental characteristic in the contact area of time, operating body and touching induction region of shape, operation of pressure, the movement locus of the operation that user's operating body carries out touching induction region when producing movement locus or initial sum destination node coordinate of movement locus etc.
Here, the supplemental characteristic of the pressure of the operation of touching induction region being carried out about user's operating body can be the operating body total pressure (mean pressure of multiple touch sampled points in operating process) of carrying out operating period or maximal value and the minimum value of instantaneous pressure value, and this can obtain by the pressure inductor (not shown) being arranged on touching induction region.The supplemental characteristic of the shape of movement locus (as, pattern) can utilize the sampled point of operating body that touch sensing unit 10 the obtains multiple touch locations when the enterprising line operate of touching induction region to obtain by processing unit 11.Here, at processing unit 11 in official hour (as, 0.5～1 second) while failing to obtain operation (touch) position of operating body by touch sensing unit 10, processing unit 11 can determine that obtained movement locus is final movement locus the supplemental characteristic that forms final movement locus.Similarly, the time of operation, the contact area (average area of multiple touch sampled points or the maximal value of contact area or minimum value in operating process) of operating body and touching induction region, or the supplemental characteristic of the initial sum destination node coordinate of movement locus all can utilize touch sensing unit 10 to obtain by processing unit 11, and at processing unit 11 in official hour (as, 0.5～1 second) while failing to obtain operation (touch) position of operating body by touch sensing unit 10, can obtain the final running time, the contact area of operating body and touching induction region, or the supplemental characteristic of the initial sum destination node coordinate of movement locus.Here, it should be noted that because the technology of above-mentioned parameter data itself is known to those skilled in the art, therefore no longer describe its detailed content here.
After the characteristic parameter of the movement locus having produced in the time having obtained that operating body operates the touching induction region of touch sensing unit 10, the characteristic parameter that processing unit 11 judges obtained movement locus whether with terminal device 1 in pre-stored specific user's sliding characteristics Model Matching.
Here, terminal device 1 can comprise storage unit 12.This storage unit 12 can by memory device arbitrarily (as, flash memory, SD card etc.) realize, and can store therein user data.According to embodiments of the invention, storage unit 12 can be for the specific user's of storage terminal equipment 1 (authorized user) sliding characteristics model.Here, specific user's sliding characteristics model can be set up by the training data of specific user's slide.According to embodiments of the invention, the sliding characteristics model that the training data of the slide based on specific user is set up can comprise the sliding characteristics parameter corresponding with this specific user.Here, due to structure and the neururgic uniqueness of human body, therefore this specific user's sliding characteristics model is unique for this specific user, that is, different people's sliding characteristics model is all different.
Below, will be described sliding characteristics model.According to embodiments of the invention, at terminal device 1 when the second state (unlock state), processing unit 11 can be under default condition, the slide of operating body by specific user (as, finger) on the touching induction region of touch sensing unit 11 obtains training data to set up sliding characteristics model.This terminal device 1 gathers specific user's operation about touch under the second state (unlock state) for this terminal device 1 automatically.The operations such as slip, click such as for example, slip left when, this specific user carries out the displaying contents of toggle screen by sliding left.Or, the handwriting input while carrying out word or pattern editor by handwriting input while carrying out text editing.Or, the handwriting input of carrying out in the time carrying out digital signature.Thereby automatically form this sliding characteristics model, with make this specific user at institute's terminal device when the first state (lock-out state), can both identify the user that this specific user who slidably inputs is this terminal device and realize release thereby input any slidably inputing.In other words, the operation that receives user when the first state (lock-out state) at institute's terminal device can both determine whether release.For example, this user's operation can be to slidably input operation, is also clicking operation.To slidably input operation in order terminal device can be gathered can information compare optimum.Certainly.The specific user of terminal device 1 can by other safety verification mode (as, password, cipher pattern) make terminal device 1 be switched to the second state from the first state, and under the second state, move default Secure Application by processing unit 11 and carry out the operation of obtaining training data and setting up sliding characteristics model.Here, the slide corresponding with training data can be any slide that specific user defines.For example, slide can be the hand-written Chinese character of straight line, camber line or specific user, letter or number.In this case, can obtain training data and set up sliding characteristics model by above-mentioned slide.For example, slide for the situation of specific user by Chinese character, the letter or number of operating body (as, finger) input under, the sliding characteristics parameter of sliding characteristics model can be corresponding with this specific user's person's handwriting.Particularly, the sliding characteristics parameter of sliding characteristics model can at least be included in a kind of relevant supplemental characteristic in the time, operating body of shape, the slide of the movement locus of pressure, the slide of the slide carrying out on the touching induction region of touch sensing unit 10 and the initial sum destination node coordinate of the contact area of touching induction region or the sliding trace of slide.In this case, processing unit 11 can be by obtaining above-mentioned sliding characteristics parameter as training data from one or many slide, and set up sliding characteristics model based on above-mentioned sliding characteristics parameter.Here, it should be noted that the processing of the above-mentioned sliding characteristics parameter of acquisition is similar with the processing of the supplemental characteristic that obtains movement locus under the first state of terminal device 1 before, therefore repeat no more here.In addition, in the situation that setting up sliding characteristics model by single slide, this sliding characteristics model comprises the sliding characteristics parameter of this single slide, and by repeatedly slide is set up sliding characteristics model in the situation that, this sliding characteristics model can comprise repeatedly the sliding characteristics parameter of slide.
The characteristic parameter that judges obtained movement locus at processing unit 11 whether with terminal device 1 in when pre-stored specific user's sliding characteristics Model Matching, processing unit 11 compares the sliding characteristics parameter in the characteristic parameter of obtained movement locus and sliding characteristics model.
For example, sliding characteristics parameter in the characteristic parameter of movement locus and sliding characteristics model is during to the pressure of touching induction region, the characteristic parameter of movement locus (maximal value of total pressure or instantaneous pressure value and minimum value) and the sliding characteristics parameter (maximal value of total pressure or instantaneous pressure value and minimum value) in sliding characteristics model can be compared.If the two is in the difference allowing (determining based on experiment value) scope, processing unit 11 is determined the two coupling.
In addition, when shape that the sliding characteristics parameter in characteristic parameter and the sliding characteristics model of movement locus is track, the shape of the two can be compared.Here can utilize Graphic Pattern Matching algorithm arbitrarily to carry out this comparison procedure.In this case, if sliding characteristics parameter (shape of track) is corresponding with Chinese character, the letter or number of specific user's input, only at the characteristic parameter of movement locus identical with sliding characteristics parameter or approximate, processing unit 11 just can be determined the two coupling.Here, because different users' person's handwriting is diverse, and be difficult to imitate, therefore the shape of the two compared to the possibility that can effectively reduce other user terminal device 1 is switched to from the first state the second state.
In addition, the sliding characteristics parameter in characteristic parameter and the sliding characteristics model of movement locus is the contact area of operating body and touching induction region, can compare the contact area of the two.If the two is identical or approximate, processing unit 11 is determined the two coupling.
Similarly, the sliding characteristics parameter in characteristic parameter and the sliding characteristics model of movement locus is the time of operation or the initial sum destination node coordinate of track, only has the two identical or approximate, and processing unit 11 just can be determined the two coupling.
Here it should be noted that the sliding characteristics parameter that can configure neatly in sliding characteristics model.For example, the characteristic parameter that judges obtained movement locus at processing unit 11 whether with terminal device 1 in when pre-stored specific user's sliding characteristics Model Matching, processing unit 11 can utilize any one sliding characteristics parameter in sliding characteristics model or at least two so that all characteristic parameter judge.For example, processing unit 11 can utilize the sliding characteristics parameter in sliding characteristics model: the contact area of the pressure to touching induction region and operating body and touching induction region judges.Do be like this because, due to varying in size of the operating body of different user (as, finger), press touching induction region even if therefore use identical pressure, its contact area is normally different, even or contact area identical, its pressure that is applied to touching induction region is also different.In this case, processing unit 11 can be in the case of these two sliding characteristics parameters be all mated with the characteristic parameter of movement locus, determine the characteristic parameter of movement locus and pre-stored specific user's sliding characteristics Model Matching.In addition, processing unit 11 can also only utilize a sliding characteristics parameter (shape of track) to judge.In addition, processing unit 11 can also only utilize other sliding characteristics parameter combinations (shape+running time of track) to judge, even if this is that the time of its complete operation must be greater than specific user's running time because other people imitates specific user's person's handwriting.Certainly,, in the time that processing unit 11 utilizes whole sliding characteristics parameters in sliding characteristics model to judge, this judged result has the highest security.Here can determine which sliding characteristics parameter (passing through programming) can be used judge by the specific user of terminal device.In addition, having described slide is in the above the situation of user's handwritten Chinese character, letter or number, and slide is not limited to this here, obviously can also the slide based on other sets up the gliding model of sliding characteristics model based on set up and judges.
In the time that processing unit 11 is determined the characteristic parameter of movement locus and pre-stored specific user's sliding characteristics Model Matching, processing unit 11 carry out switching command (as, wake instruction up), here, this switching command belongs to the first instruction set that terminal device 1 can be carried out under the first state.Then, according to this switching command, processing unit 11 control terminals 1 switch to the second state from the first state, that is to say, processing unit 11 is switched to unlock state by terminal device 1 from lock-out state.In addition, in the time that processing unit 11 is determined the characteristic parameter of movement locus and pre-stored specific user's sliding characteristics unmatched models, processing unit 11 is not carried out switching command, and in this case, terminal device 1 maintains the first state.
By above-mentioned configuration, here, due to the characteristic parameter of different people's slide or the person's handwriting of handwriting input (as, the shape of pressure, track, contact area, running time etc.) be all different and be difficult to imitate, therefore utilize user's slide or the characteristic parameter of handwriting of terminal device to carry out release, be not only easily for user, and can greatly improve the security of terminal device.
Below, describe according to state switching method of the present invention with reference to Fig. 2.The method of Fig. 2 can be applied on the terminal device 1 shown in Fig. 1.Here, this terminal device 1 at least comprises the first state and the second state different from the first state.For example, the first state can be the lock-out state of terminal device 1, and the second state can be the unlock state (as, released state) of terminal device 1.In this case, when terminal device 1 is during in the first state, this terminal device 1 can carry out the first instruction set (as, the monitoring function of screen locking function, unlocking operation or the function receiving calls etc.), and when terminal device 1 is during in the second state, this terminal device 1 can carry out the second instruction set (as, program or function that normal use can provide).In this case, because terminal device 1 only can be carried out limited function under the first state, therefore the number of this first instruction set is less than the number of the second instruction set.In addition, terminal device 1 also comprises having the touching induction region of pre-sizing and the touch sensing unit 10 in the touch of touching induction region for detection of user's operating body (as, finger).
As shown in Figure 2, at step S201, at terminal device, during the first state, the movement locus producing when obtaining operating body touching induction region is operated based on touch sensing unit obtains the characteristic parameter of this movement locus simultaneously.
Particularly, at terminal device 1 during the first state, this user by predetermined button (as, power key or activation manipulation) activate unlock command collection/program after, the movement locus that the operating body that processing unit 11 can obtain user based on touch sensing unit 10 produces when the touching induction region of touch sensing unit 10 is operated.Meanwhile, processing unit 11 obtains the characteristic parameter of this movement locus.Here, for example, the characteristic parameter of movement locus at least includes, but is not limited to a kind of relevant supplemental characteristic in the contact area of time, operating body and touching induction region of shape, operation of pressure, the movement locus of the operation that user's operating body carries out touching induction region when producing movement locus or initial sum destination node coordinate of movement locus etc.
According to one embodiment of present invention, the supplemental characteristic of the pressure of the operation of touching induction region being carried out about user's operating body can be the operating body total pressure (mean pressure of multiple touch sampled points in operating process) of carrying out operating period or maximal value and the minimum value of instantaneous pressure value, and this can obtain by the pressure inductor (not shown) being arranged on touching induction region.The supplemental characteristic of the shape of movement locus (as, pattern) can utilize the sampled point of operating body that touch sensing unit 10 the obtains multiple touch locations when the enterprising line operate of touching induction region to obtain by processing unit 11.Here, at processing unit 11 in official hour (as, 0.5～1 second) while failing to obtain operation (touch) position of operating body by touch sensing unit 10, processing unit 11 can determine that obtained movement locus is final movement locus the supplemental characteristic that forms final movement locus.Similarly, the time of operation, the contact area (average area of multiple touch sampled points or the maximal value of contact area or minimum value in operating process) of operating body and touching induction region, or the supplemental characteristic of the initial sum destination node coordinate of movement locus all can utilize touch sensing unit 10 to obtain by processing unit 11, and at processing unit 11 in official hour (as, 0.5～1 second) while failing to obtain operation (touch) position of operating body by touch sensing unit 10, can obtain the final running time, the contact area of operating body and touching induction region, or the supplemental characteristic of the initial sum destination node coordinate of movement locus.
At step S202, the characteristic parameter that judges movement locus whether with pre-stored specific user's sliding characteristics Model Matching.
Particularly, after the characteristic parameter of the movement locus having produced in the time having obtained that operating body operates the touching induction region of touch sensing unit 10, the characteristic parameter that processing unit 11 judges obtained movement locus whether with terminal device 1 in pre-stored specific user's sliding characteristics Model Matching.Here, specific user's sliding characteristics model can be set up by the training data of specific user's slide.According to embodiments of the invention, the sliding characteristics model that the training data of the slide based on specific user is set up can comprise the sliding characteristics parameter corresponding with this specific user.Here, due to structure and the neururgic uniqueness of human body, therefore this specific user's sliding characteristics model is unique for this specific user, that is, different people's sliding characteristics model is all different.
Description is set up to the situation of sliding characteristics model below, according to embodiments of the invention, at terminal device 1 when the second state (unlock state), processing unit 11 can be under default condition, the slide of operating body by specific user (as, finger) on the touching induction region of touch sensing unit 11 obtains training data to set up sliding characteristics model.For example, the specific user of terminal device 1 can by other safety verification mode (as, password, cipher pattern) make terminal device 1 be switched to the second state from the first state, and under the second state, move default Secure Application by processing unit 11 and carry out the operation of obtaining training data and setting up sliding characteristics model.Here, the slide corresponding with training data can be any slide that specific user defines.For example, slide can be the hand-written Chinese character of straight line, camber line or specific user, letter or number.In this case, can obtain training data and set up sliding characteristics model by above-mentioned slide.For example, slide for the situation of specific user by Chinese character, the letter or number of operating body (as, finger) input under, the sliding characteristics parameter of sliding characteristics model can be corresponding with this specific user's person's handwriting.Particularly, the sliding characteristics parameter of sliding characteristics model can at least be included in a kind of relevant supplemental characteristic in the time, operating body of shape, the slide of the movement locus of pressure, the slide of the slide carrying out on the touching induction region of touch sensing unit 10 and the initial sum destination node coordinate of the contact area of touching induction region or the sliding trace of slide.In this case, processing unit 11 can be by obtaining above-mentioned sliding characteristics parameter as training data from one or many slide, and set up sliding characteristics model based on above-mentioned sliding characteristics parameter.Here, it should be noted that the processing of the above-mentioned sliding characteristics parameter of acquisition is similar with the processing of the supplemental characteristic that obtains movement locus under the first state of terminal device 1 before, therefore repeat no more here.In addition, in the situation that setting up sliding characteristics model by single slide, this sliding characteristics model comprises the sliding characteristics parameter of this single slide, and by repeatedly slide is set up sliding characteristics model in the situation that, this sliding characteristics model can comprise repeatedly the sliding characteristics parameter of slide.
The characteristic parameter that judges obtained movement locus at processing unit 11 whether with terminal device 1 in when pre-stored specific user's sliding characteristics Model Matching, processing unit 11 compares the sliding characteristics parameter in the characteristic parameter of obtained movement locus and sliding characteristics model.
For example, sliding characteristics parameter in the characteristic parameter of movement locus and sliding characteristics model is during to the pressure of touching induction region, the characteristic parameter of movement locus (maximal value of total pressure or instantaneous pressure value and minimum value) and the sliding characteristics parameter (maximal value of total pressure or instantaneous pressure value and minimum value) in sliding characteristics model can be compared.If the two is in the difference allowing (determining based on experiment value) scope, processing unit 11 is determined the two coupling.In addition, when shape that the sliding characteristics parameter in characteristic parameter and the sliding characteristics model of movement locus is track, the shape of the two can be compared.Here can utilize Graphic Pattern Matching algorithm arbitrarily to carry out this comparison procedure.In this case, if sliding characteristics parameter (shape of track) is corresponding with Chinese character, the letter or number of specific user's input, only at the characteristic parameter of movement locus identical with sliding characteristics parameter or approximate, processing unit 11 just can be determined the two coupling.Here, because different users' person's handwriting is diverse, and be difficult to imitate, therefore the shape of the two compared to the possibility that can effectively reduce other user terminal device 1 is switched to from the first state the second state.In addition, the sliding characteristics parameter in characteristic parameter and the sliding characteristics model of movement locus is the contact area of operating body and touching induction region, can compare the contact area of the two.If the two is identical or approximate, processing unit 11 is determined the two coupling.Similarly, the sliding characteristics parameter in characteristic parameter and the sliding characteristics model of movement locus is the time of operation or the initial sum destination node coordinate of track, only has the two identical or approximate, and processing unit 11 just can be determined the two coupling.
Here it should be noted that the sliding characteristics parameter that can configure neatly in sliding characteristics model.For example, the characteristic parameter that judges obtained movement locus at processing unit 11 whether with terminal device 1 in when pre-stored specific user's sliding characteristics Model Matching, processing unit 11 can utilize any one sliding characteristics parameter in sliding characteristics model or at least two so that all characteristic parameter judge.For example, processing unit 11 can utilize the sliding characteristics parameter in sliding characteristics model: the contact area of the pressure to touching induction region and operating body and touching induction region judges.Do be like this because, due to varying in size of the operating body of different user (as, finger), press touching induction region even if therefore use identical pressure, its contact area is normally different, even or contact area identical, its pressure that is applied to touching induction region is also different.In this case, processing unit 11 can be in the case of these two sliding characteristics parameters be all mated with the characteristic parameter of movement locus, determine the characteristic parameter of movement locus and pre-stored specific user's sliding characteristics Model Matching.In addition, processing unit 11 can also only utilize a sliding characteristics parameter (shape of track) to judge.In addition, processing unit 11 can also only utilize other sliding characteristics parameter combinations (shape+running time of track) to judge, even if this is that the time of its complete operation must be greater than specific user's running time because other people imitates specific user's person's handwriting.Certainly,, in the time that processing unit 11 utilizes whole sliding characteristics parameters in sliding characteristics model to judge, this judged result has the highest security.Here can determine which sliding characteristics parameter (passing through programming) can be used judge by the specific user of terminal device.In addition, having described slide is in the above the situation of user's handwritten Chinese character, letter or number, and slide is not limited to this here, obviously can also the slide based on other sets up the gliding model of sliding characteristics model based on set up and judges.
At step S203, in the time of the characteristic parameter of movement locus and pre-stored specific user's sliding characteristics Model Matching, carry out switching command, here, this switching command belongs to the first instruction set.
Particularly, in the time that processing unit 11 is determined the characteristic parameter of movement locus and pre-stored specific user's sliding characteristics Model Matching, processing unit 11 carry out switching command (as, wake instruction up), here, this switching command belongs to the first instruction set that terminal device 1 can be carried out under the first state.
At step S204, according to switching command, control terminal switches to the second state from the first state.
Particularly, according to this switching command, processing unit 11 control terminals 1 switch to the second state from the first state, that is to say, processing unit 11 is switched to unlock state by terminal device 1 from lock-out state.
In addition, in the time that processing unit 11 is determined the characteristic parameter of movement locus and pre-stored specific user's sliding characteristics unmatched models, processing unit 11 is not carried out switching command, and in this case, terminal device 1 maintains the first state.
By above-mentioned configuration, here, due to the characteristic parameter of different people's slide or the person's handwriting of handwriting input (as, the shape of pressure, track, contact area, running time etc.) be all different and be difficult to imitate, therefore utilize user's slide or the characteristic parameter of handwriting of terminal device to carry out release, be not only easily for user, and can greatly improve the security of terminal device.
Describe each embodiment of the present invention in the above in detail.But, it should be appreciated by those skilled in the art that without departing from the principles and spirit of the present invention, can carry out various amendments to these embodiment, combination or sub-portfolio, and such amendment should fall within the scope of the present invention.
Claims (14)
1. a terminal device, described terminal device at least comprises the first state and second state different from described the first state, wherein when described terminal device is during in described the first state, described terminal device can be carried out the first instruction set, and when described terminal device is during in described the second state, described terminal device can be carried out the second instruction set, and the number of described the first instruction set is less than the number of described the second instruction set, and described terminal device comprises:
Touch sensing unit, has the touching induction region of pre-sizing, and configuration detects user's operating body in the touch of described touching induction region;
Processing unit, configuration carrys out the switching between described the first state and described the second state at the described terminal device of monitoring,
Wherein at described terminal device during the first state, the movement locus that described processing unit produces when obtaining described operating body described touching induction region is operated based on described touch sensing unit,
Described processing unit obtains the characteristic parameter of described movement locus, and the characteristic parameter that judges described movement locus whether with pre-stored specific user's sliding characteristics Model Matching,
In the time of the characteristic parameter of described movement locus and described pre-stored specific user's sliding characteristics Model Matching, described processing unit is carried out switching command, and wherein said switching command belongs to described the first instruction set, and
According to described switching command, terminal device switches to described the second state from described the first state described in described processing unit control.
2. terminal device as claimed in claim 1, wherein
The lock-out state that described the first state is described terminal device; And
The unlock state that described the second state is described terminal device.
3. terminal device as claimed in claim 1, a kind of relevant supplemental characteristic in the contact area of pressure, the shape of described movement locus, the time of described operation, described operating body and described touching induction region or the initial sum destination node coordinate of described movement locus of the operation that wherein said characteristic parameter carries out described touching induction region while at least comprising with the described movement locus of generation.
4. terminal device as claimed in claim 3, wherein said terminal device further comprises:
Storage unit, specific user's sliding characteristics model is stored in configuration, and described sliding characteristics model is set up by the training data of described specific user's slide.
5. terminal device as claimed in claim 4, wherein
At described terminal device, during in described the second state, described processing unit is under default condition, and the slide by described operating body on described touching induction region obtains described training data to set up sliding characteristics model.
6. terminal device as claimed in claim 5, wherein sliding characteristics model comprises the sliding characteristics parameter corresponding with described specific user, and is unique for described specific user.
7. terminal device as claimed in claim 6, wherein
Described sliding characteristics parameter is corresponding with described specific user's person's handwriting, and is at least included in the shape of the movement locus of the pressure of the slide that described touching induction region carries out, described slide, the time of described slide, described operating body and a kind of relevant supplemental characteristic in the contact area of described touching induction region or the initial sum destination node coordinate of described sliding trace.
8. a state switching method, be applied to terminal device, described terminal device at least comprises the first state and second state different from described the first state, wherein when described terminal device is during in described the first state, described terminal device can be carried out the first instruction set, and when described terminal device is during in described the second state, described terminal device can be carried out the second instruction set, and the number of described the first instruction set is less than the number of described the second instruction set, and described terminal device comprises having the touching induction region of pre-sizing and the touch sensing unit in the touch of described touching induction region for detection of user's operating body, described state switching method comprises:
At described terminal device during the first state, the movement locus producing when obtaining described operating body described touching induction region is operated based on described touch sensing unit;
Obtain the characteristic parameter of described movement locus, and the characteristic parameter that judges described movement locus whether with pre-stored specific user's sliding characteristics Model Matching;
In the time of the characteristic parameter of described movement locus and described pre-stored specific user's sliding characteristics Model Matching, carry out switching command, wherein said switching command belongs to described the first instruction set; And
According to described switching command, control described terminal device and switch to the second state from the first state.
9. state switching method as claimed in claim 8, wherein
The lock-out state that described the first state is described terminal device; And
The unlock state that described the second state is described terminal device.
10. state switching method as claimed in claim 8, a kind of relevant supplemental characteristic in the contact area of pressure, the shape of described movement locus, the time of described operation, described operating body and described touching induction region or the initial sum destination node coordinate of described movement locus of the operation that wherein said characteristic parameter carries out described touching induction region while at least comprising with the described movement locus of generation.
11. state switching methods as claimed in claim 10, wherein
Described sliding characteristics model is set up by the training data of described specific user's slide.
12. state switching methods as claimed in claim 10, wherein
At described terminal device, during in described the second state, under default condition, the slide by described operating body on described touching induction region obtains described training data to set up sliding characteristics model.
13. state switching methods as claimed in claim 12, wherein sliding characteristics model comprises the sliding characteristics parameter corresponding with described specific user, and is unique for described specific user.
14. state switching methods as claimed in claim 13, wherein
Described sliding characteristics parameter is corresponding with described specific user's person's handwriting, and is at least included in the shape of the movement locus of the pressure of the slide that described touching induction region carries out, described slide, the time of described slide, described operating body and a kind of relevant supplemental characteristic in the contact area of described touching induction region or the initial sum destination node coordinate of described sliding trace.
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