CN103024164A - Anti-theft method and device of mobile terminal - Google Patents
Anti-theft method and device of mobile terminal Download PDFInfo
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- CN103024164A CN103024164A CN2012105112381A CN201210511238A CN103024164A CN 103024164 A CN103024164 A CN 103024164A CN 2012105112381 A CN2012105112381 A CN 2012105112381A CN 201210511238 A CN201210511238 A CN 201210511238A CN 103024164 A CN103024164 A CN 103024164A
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Abstract
The invention provides an anti-theft method and device of a mobile terminal. The method includes: the mobile terminal enters an anti-theft starting state according to instructions of users and obtains information of the first environment where the mobile terminal locates; the mobile terminal monitors whether an earphone of the mobile terminal is pulled out; if the earphone is pulled out, obtaining the information of a second environment where the mobile terminal locates within the first preset time; the mobile terminal determines whether the mobile terminal is in a stolen state according to the first environment information and the second environment information; and the mobile terminal gives out alarm prompt when the mobile terminal is in a stolen state. According to the anti-theft method of the mobile terminal, whether the mobile terminal is lost or stolen can be timely, accurately and effectively judged, and alarm can be given out when the mobile terminal is lost or stolen to remind users, so that user experience is improved.
Description
Technical field
The present invention relates to mobile device manufacturing technology field, relate in particular to a kind of theft preventing method and device of portable terminal.
Background technology
Portable terminal such as smart mobile phone etc. has become the necessity of one way of life, because volume is little, the user can carry, but, be easy in public lose or stolen, except portable terminal itself has the commodity value, stored user's privately owned sensitive information toward contact, probably utilized by the offender and further be engaged in criminal activity.
At present, the method of guarding against theft for mobile terminal commonly used mainly contains following two kinds: a kind of user of being is connected portable terminal with earphone, portable terminal sends warning when earphone is extracted from portable terminal, another kind is that the user is connected by bluetooth portable terminal with user's blue-tooth device with it, when portable terminal breaks away from it from the user, bluetooth connects that portable terminal sends warning when disconnecting.
The problem that exists at present is, the operation of front a kind of method monitoring is too simple, easily causes erroneous judgement, and when portable terminal can't the opening anti-theft system when being connected with earphone; Rear a kind of method user's operation is too complicated, needs the user to set up in advance bluetooth and connects, and has expended the time, poor user experience.
Summary of the invention
The present invention is intended to one of solve the problems of the technologies described above at least.
For this reason, first purpose of the present invention is to propose a kind of theft preventing method of portable terminal, whether the method can be judged in time, accurately and efficiently portable terminal and be lost or stolen, and when being lost or being stolen, sends portable terminal alarm, with prompting user, promoted user's experience.
Second purpose of the present invention is to propose a kind of anti-theft device of portable terminal.
To achieve these goals, the theft preventing method of the portable terminal of first aspect present invention embodiment may further comprise the steps: a, portable terminal enter antitheft opening according to user instruction, and obtain the residing first environment information of described portable terminal; Whether the earphone that b, described portable terminal are monitored described portable terminal is pulled out; If the described earphone of c is pulled out, then obtain the residing second environment information of described portable terminal in the first Preset Time section; D, described portable terminal determine according to described first environment information and described second environment information whether described portable terminal is in stolen state; And if the described portable terminal of e is in described stolen state, then described portable terminal sends alarm.
Theft preventing method according to the portable terminal of the embodiment of the invention, first environment information and second environment information by the monitoring portable terminal, and can judge in time, accurately and efficiently portable terminal according to first environment information and second environment information change and whether be lost or stolen, and when being lost or being stolen, sends portable terminal alarm, with prompting user, promoted user's experience.
To achieve these goals, the anti-theft device of the portable terminal of second aspect present invention embodiment comprises: the first acquisition module is used for entering antitheft opening according to user instruction, and obtains the residing first environment information of described portable terminal; Whether monitoring modular is pulled out for the earphone of monitoring described portable terminal; The second acquisition module is used for obtaining the residing second environment information of described portable terminal in the first Preset Time section when the described earphone of described monitoring module monitors is pulled out; Determination module is used for determining according to described first environment information and described second environment information whether described portable terminal is in stolen state; And the alarm module, be used for when described determination module determines that described portable terminal is in described stolen state, sending alarm.
Anti-theft device according to the portable terminal of the embodiment of the invention, first environment information and second environment information by the monitoring portable terminal, and can judge in time, accurately and efficiently portable terminal according to first environment information and second environment information change and whether be lost or stolen, and when being lost or being stolen, sends portable terminal alarm, with prompting user, promoted user's experience.
The aspect that the present invention adds and advantage in the following description part provide, and part will become obviously from the following description, or recognize by practice of the present invention.
Description of drawings
Above-mentioned and/or the additional aspect of the present invention and advantage be from obviously and easily understanding becoming the description of embodiment below in conjunction with accompanying drawing, wherein,
Fig. 1 is the flow chart according to the theft preventing method of one embodiment of the invention portable terminal;
Fig. 2 is the flow chart of the theft preventing method of a specific embodiment portable terminal according to the present invention;
Fig. 3 is the flow chart of the theft preventing method of another specific embodiment portable terminal according to the present invention;
Fig. 4 is the flow chart of the theft preventing method of another specific embodiment portable terminal according to the present invention;
Fig. 5 is the structured flowchart of the anti-theft device of portable terminal according to an embodiment of the invention;
Fig. 6 is the structural representation of the determination module 400 of one embodiment of the invention;
Fig. 7 is the structural representation of the determination module 400 of another embodiment of the present invention;
Fig. 8 is the structural representation of the determination module 400 of another embodiment of the present invention;
Fig. 9 is the structured flowchart of the anti-theft device of portable terminal in accordance with another embodiment of the present invention.
Embodiment
The below describes embodiments of the invention in detail, and the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or the element with identical or similar functions from start to finish.Be exemplary below by the embodiment that is described with reference to the drawings, only be used for explaining the present invention, and can not be interpreted as limitation of the present invention.On the contrary, embodiments of the invention comprise spirit and interior all changes, modification and the equivalent of intension scope that falls into additional claims.
In description of the invention, it will be appreciated that, term " first ", " second " etc. only are used for describing purpose, and can not be interpreted as indication or hint relative importance.In description of the invention, need to prove, unless clear and definite regulation and restriction are arranged in addition, term " links to each other ", " connection " should do broad understanding, for example, can be to be fixedly connected with, and also can be to removably connect, or connects integratedly; Can be mechanical connection, also can be to be electrically connected; Can be directly to link to each other, also can indirectly link to each other by intermediary.For the ordinary skill in the art, can concrete condition understand above-mentioned term concrete meaning in the present invention.In addition, in description of the invention, except as otherwise noted, the implication of " a plurality of " is two or more.
Describe and to be understood in the flow chart or in this any process of otherwise describing or method, expression comprises module, fragment or the part of code of the executable instruction of the step that one or more is used to realize specific logical function or process, and the scope of preferred implementation of the present invention comprises other realization, wherein can be not according to order shown or that discuss, comprise according to related function by the mode of basic while or by opposite order, carry out function, this should be understood by the embodiments of the invention person of ordinary skill in the field.
Below with reference to theft preventing method and the device of accompanying drawing description according to the portable terminal of the embodiment of the invention.
A kind of theft preventing method of portable terminal may further comprise the steps: a, portable terminal enter antitheft opening according to user instruction, and obtain the residing first environment information of portable terminal; Whether the earphone of b, portable terminal monitoring portable terminal is pulled out; If the c earphone is pulled out, then obtain the residing second environment information of portable terminal in the first Preset Time section; D, portable terminal determine according to first environment information and second environment information whether portable terminal is in stolen state; And if the e portable terminal is in stolen state, then portable terminal sends alarm.
Fig. 1 is the flow chart according to the theft preventing method of one embodiment of the invention portable terminal.
As shown in Figure 1, the theft preventing method of portable terminal comprises the steps.
Step S101, portable terminal enters antitheft opening according to user instruction, and obtains the residing first environment information of portable terminal.Wherein first environment information can comprise one or more in the first light intensity, the first acceleration and the first height.
Particularly, the user can open the anti-theft switch of portable terminal in public places the time in advance, earphone is connected on the portable terminal, and portable terminal put in the pocket, this moment, portable terminal obtained first environment information by entrained transducer, such as obtaining first environment information by light sensation transducer, acceleration transducer and direction sensor etc., if the first light intensity is lower, and the first acceleration and the first height are in certain threshold value, and portable terminal enters antitheft opening.
Step S102, whether the earphone of portable terminal monitoring portable terminal is pulled out.
Step S103 if earphone is pulled out, then obtains the residing second environment information of portable terminal in the first Preset Time section.
Wherein, when earphone was pulled out from portable terminal, portable terminal can enter screen lock state automatically.
Wherein, second environment information can comprise one or more in the second light intensity, the second acceleration and the second height.
Particularly, when the earphone of portable terminal is pulled out, portable terminal may also be in the first environment information state, for example in user's pocket, afterwards, portable terminal just might be taken out pocket, by the first Preset Time section is set, and obtain the residing second environment information of (for example several seconds) portable terminal in the first Preset Time section, can monitor more accurately second environment information.
Step S104, portable terminal determines according to first environment information and second environment information whether portable terminal is in stolen state.
Particularly, can determine by the situation of change of first environment information and second environment information whether portable terminal is in stolen state.For example, the variation difference of first environment information and second environment information is larger etc.
Step S105, if portable terminal is in stolen state, then portable terminal sends alarm.
For example, it is alert that portable terminal can send ring, perhaps jingle bell, and the prompting user portable terminal is stolen.
Theft preventing method according to the portable terminal of the embodiment of the invention, first environment information and second environment information by the monitoring portable terminal, and can judge in time, accurately and efficiently portable terminal according to first environment information and second environment information change and whether be lost or stolen, and when being lost or being stolen, sends portable terminal alarm, with prompting user, promoted user's experience.
Fig. 2 is the flow chart of the theft preventing method of a specific embodiment portable terminal according to the present invention.
As shown in Figure 2, the theft preventing method of portable terminal comprises the steps.
Step S201, portable terminal enters antitheft opening according to user instruction, and obtains the residing first environment information of portable terminal.Wherein first environment information can comprise one or more in the first light intensity, the first acceleration and the first height.
Particularly, the user can open the anti-theft switch of portable terminal in public places the time in advance, earphone is connected on the portable terminal, and portable terminal put in the pocket, this moment, portable terminal obtained first environment information by entrained transducer, such as obtaining first environment information by light sensation transducer, acceleration transducer and direction sensor etc., if the first light intensity is lower, and the first acceleration and the first height are in certain threshold value, and portable terminal enters antitheft opening.
Step S202, whether the earphone of portable terminal monitoring portable terminal is pulled out.
Step S203 if earphone is pulled out, then obtains the residing second environment information of portable terminal in the first Preset Time section.
Wherein, when earphone was pulled out from portable terminal, portable terminal can enter screen lock state automatically.
Wherein, second environment information can comprise one or more in the second light intensity, the second acceleration and the second height.
Particularly, when the earphone of portable terminal is pulled out, portable terminal may also be in the first environment information state, for example in user's pocket, afterwards, portable terminal just might be taken out pocket, by the first Preset Time section is set, and obtain the residing second environment information of (for example several seconds) portable terminal in the first Preset Time section, can monitor more accurately second environment information.
Step S204, portable terminal judge that whether the strength difference of the second light intensity and the first light intensity is greater than the first preset strength threshold value.
Particularly, when portable terminal enters antitheft opening, and when being in the pocket, portable terminal monitor the first light intensity a little less than, after the earphone of portable terminal is pulled out, for example may be that the user uses portable terminal or portable terminal to be stolen by the people, the second light intensity that this moment, portable terminal monitored is stronger, for example be in outside the pocket, light is stronger, whether can determine greater than the first preset strength threshold value whether portable terminal is taken out pocket by the strength difference of judging the second light intensity and the first light intensity.
Step S205, if strength difference greater than the first preset strength threshold value, then portable terminal further judges that whether the variation difference of interior the second light intensity of the second Preset Time section is greater than the second preset strength threshold value.
Step S206 if change difference greater than the second preset strength threshold value, determines that then portable terminal is in stolen state.
Particularly, portable terminal monitors again the variation of the second light intensity in (for example several seconds) in the second Preset Time section, if dying down of the second light intensity, and greater than the second preset strength threshold value, can determine that portable terminal is re-injected into again in the pocket this moment, portable terminal might be stolen, information can not have greatly changed if the user continues to use the portable terminal second environment, if the user reloads pocket with portable terminal, very likely can again earphone be inserted, determine thus whether portable terminal is in stolen state.
Step S207, portable terminal sends alarm.
For example, it is alert that portable terminal can send ring, perhaps jingle bell, and the prompting user portable terminal is stolen.
Theft preventing method according to the portable terminal of the embodiment of the invention, the variation of light intensity by the monitoring portable terminal, whether in time, judge accurately and efficiently portable terminal is lost or is stolen, and when being lost or being stolen, sends portable terminal alarm, with prompting user, further promoted user's experience.
Fig. 3 is the flow chart of the theft preventing method of another specific embodiment portable terminal according to the present invention.
As shown in Figure 3, the theft preventing method of portable terminal comprises the steps.
Step S301, portable terminal enters antitheft opening according to user instruction, and obtains the residing first environment information of portable terminal.Wherein first environment information can comprise one or more in the first light intensity, the first acceleration and the first height.
Particularly, the user can open the anti-theft switch of portable terminal in public places the time in advance, earphone is connected on the portable terminal, and portable terminal put in the pocket, this moment, portable terminal obtained first environment information by entrained transducer, such as obtaining first environment information by light sensation transducer, acceleration transducer and direction sensor etc., if the first light intensity is lower, and the first acceleration and the first height are in certain threshold value, and portable terminal enters antitheft opening.
Step S302, whether the earphone of portable terminal monitoring portable terminal is pulled out.
Step S303 if earphone is pulled out, then obtains the residing second environment information of portable terminal in the first Preset Time section.
Wherein, when earphone was pulled out from portable terminal, portable terminal can enter screen lock state automatically.
Wherein, second environment information can comprise one or more in the second light intensity, the second acceleration and the second height.
Particularly, when the earphone of portable terminal is pulled out, portable terminal may also be in the first environment information state, for example in user's pocket, afterwards, portable terminal just might be taken out pocket, by the first Preset Time section is set, and obtain the residing second environment information of (for example several seconds) portable terminal in the first Preset Time section, can monitor more accurately second environment information.
Step S304, the horizontal displacement value in acquisition for mobile terminal the 3rd Preset Time section.
Particularly, after the earphone of portable terminal was pulled out, portable terminal might be taken out pocket, for example might be that the user need to use portable terminal or portable terminal to be stolen.If the displacement of portable terminal is vertical direction, might be the user at operating mobile terminal, if the displacement of portable terminal is level, might be that portable terminal is stolen.Thus, portable terminal is monitored the horizontal displacement in (for example several seconds) in the 3rd Preset Time, can determine whether portable terminal is stolen.
Step S305, whether portable terminal determined level shift value is greater than the preset displacement value.
Wherein, the preset displacement value can be 20 ~ 60 centimetres, is preferably 40 centimetres.
Step S306 is if the horizontal displacement value, determines then that portable terminal is in stolen state greater than the preset displacement value.
Particularly, operate if the user takes out portable terminal, usually between 20 centimetres to 60 centimetres, might portable terminal by stealer be taken out pocket if surpass this distance range apart from the horizontal range of health.Thus, greater than the preset displacement value, can judge portable terminal might be stolen by the horizontal displacement value.
Step S307, portable terminal sends alarm.
For example, it is alert that portable terminal can send ring, perhaps jingle bell, and the prompting user portable terminal is stolen.
Theft preventing method according to the portable terminal of the embodiment of the invention, the variation of horizontal displacement value by the monitoring portable terminal, whether in time, judge accurately and efficiently portable terminal is lost or is stolen, and when being lost or being stolen, sends portable terminal alarm, with prompting user, further promoted user's experience.
Fig. 4 is the flow chart of the theft preventing method of another specific embodiment portable terminal according to the present invention.
As shown in Figure 4, the theft preventing method of portable terminal comprises the steps.
Step S401, portable terminal enters antitheft opening according to user instruction, and obtains the residing first environment information of portable terminal.Wherein first environment information can comprise one or more in the first light intensity, the first acceleration and the first height.
Particularly, the user can open the anti-theft switch of portable terminal in public places the time in advance, earphone is connected on the portable terminal, and portable terminal put in the pocket, this moment, portable terminal obtained first environment information by entrained transducer, such as obtaining first environment information by light sensation transducer, acceleration transducer and direction sensor etc., if the first light intensity is lower, and the first acceleration and the first height are in certain threshold value, and portable terminal enters antitheft opening.
Step S402, whether the earphone of portable terminal monitoring portable terminal is pulled out.Wherein, if earphone is extracted from portable terminal, portable terminal enters screen lock state automatically.
Step S403 if earphone is pulled out, then obtains the residing second environment information of portable terminal in the first Preset Time section.
Wherein, when earphone was pulled out from portable terminal, portable terminal can enter screen lock state automatically.
Wherein, second environment information can comprise one or more in the second light intensity, the second acceleration and the second height.
Particularly, when the earphone of portable terminal is pulled out, portable terminal may also be in the first environment information state, for example in user's pocket, afterwards, portable terminal just might be taken out pocket, by the first Preset Time section is set, and obtain the residing second environment information of (for example several seconds) portable terminal in the first Preset Time section, can monitor more accurately second environment information.
Step S404, portable terminal judge that whether the absolute difference of the second acceleration and the first acceleration is greater than preset difference value.
Particularly, when portable terminal enters antitheft opening, and when being in the pocket, portable terminal monitor the first acceleration, for example user walking or the acceleration by bike the time are after the earphone of portable terminal is pulled out, if the second acceleration surpasses preset difference value with respect to the variation of the first acceleration, then portable terminal may be in abnormal condition, for example may drop or is stolen.
Step S405, if greater than preset difference value, then portable terminal further judges that whether the second acceleration is greater than default acceleration rate threshold.
Wherein, default acceleration rate threshold can be set as for 3 ~ 6 meter per second * seconds, was preferably for 4 meter per second * seconds.
Step S406 is if the second acceleration information, determines then that portable terminal is in stolen state greater than default acceleration rate threshold.
For example, as user by bike the time, portable terminal can drop out from pocket, this moment the second acceleration greater than default acceleration range, portable terminal may be lost, then definite portable terminal is in stolen state.
Step S407, portable terminal sends alarm.
For example, it is alert that portable terminal can send ring, perhaps jingle bell, and the prompting user portable terminal is stolen.
Theft preventing method according to the portable terminal of the embodiment of the invention, the variation of accekeration by the monitoring portable terminal, whether in time, judge accurately and efficiently portable terminal is lost or is stolen, and when being lost or being stolen, sends portable terminal alarm, with prompting user, further promoted user's experience.
In one embodiment of the invention, can also determine by the following method whether portable terminal is in stolen state: after portable terminal enters antitheft opening, open alarm timer, portable terminal judges whether alarm timer is overtime, if alarm timer is overtime, determine that portable terminal is in stolen state.Wherein, when user's unlocking mobile terminal, alarm timer stops timing.
Particularly, if earphone is after portable terminal is pulled out, when entering screen lock state automatically, portable terminal can start an alarm timer, if alarm timer surpasses preset value, for example 5 seconds, portable terminal sends alarm, for example, it is alert that portable terminal can send ring, perhaps jingle bell, and the prompting user portable terminal is stolen.If the user illustrates the user just at operating mobile terminal by input unlock password screen, the timing of portable terminal cancellation alarm timer.Thus, by opening alarm timer, can simple and fast judge portable terminal and whether be lost or be in stolen state and sent alarm when portable terminal is lost or is stolen, with prompting user, further promoted user's experience.
Be to be understood that, Fig. 2, Fig. 3, Fig. 4 and use timing warner can determine whether portable terminal is in stolen state, in the enforcement of time, can be with these four kinds of modes in conjunction with judging, one or more conditions that for example satisfy wherein simultaneously determine whether portable terminal is in stolen state.
In order to realize above-described embodiment, the present invention also proposes a kind of anti-theft device of portable terminal.
A kind of anti-theft device of portable terminal comprises: the first acquisition module is used for entering antitheft opening according to user instruction, and obtains the residing first environment information of portable terminal; Monitoring modular, whether the earphone that is used for the monitoring portable terminal is pulled out; The second acquisition module is used for obtaining the residing second environment information of portable terminal in the first Preset Time section when the monitoring module monitors earphone is pulled out; Determination module is used for determining according to first environment information and second environment information whether portable terminal is in stolen state; And the alarm module, be used for when determination module determines that portable terminal is in stolen state, sending alarm.
Fig. 5 is the structured flowchart of the anti-theft device of portable terminal according to an embodiment of the invention.
As shown in Figure 5, the anti-theft device of portable terminal comprises: the first acquisition module 100, detection module 200, the second acquisition module 300, determination module 400 and alarm module 500.
Particularly, the first acquisition module 100 is used for entering antitheft opening according to user instruction, and obtains the residing first environment information of portable terminal.Wherein first environment information can comprise one or more in the first light intensity, the first acceleration and the first height.
More specifically, the user can open the anti-theft switch of portable terminal in public places the time in advance, earphone is connected on the portable terminal, and portable terminal put in the pocket, this moment, the first acquisition module 100 obtained first environment information by the entrained transducer of portable terminal, such as obtaining first environment information by light sensation transducer, acceleration transducer and direction sensor etc., if the first light intensity is lower, and the first acceleration and the first height are in certain threshold value, and portable terminal enters antitheft opening.
Whether the earphone that detection module 200 is used for the monitoring portable terminal is pulled out.
The second acquisition module 300 is used for obtaining the residing second environment information of portable terminal in the first Preset Time section when monitoring modular 200 monitoring earphones are pulled out.Wherein, when earphone was pulled out from portable terminal, portable terminal can enter screen lock state automatically.
Wherein, second environment information can comprise one or more in the second light intensity, the second acceleration and the second height.
More specifically, when the earphone of portable terminal is pulled out, portable terminal may also be in the first environment information state, for example in user's pocket, afterwards, portable terminal just might be taken out pocket, by the first Preset Time section is set, and obtain the residing second environment information of (for example several seconds) portable terminal in the first Preset Time section by the second acquisition module 200, can monitor more accurately second environment information.
Determination module 400 is used for determining according to first environment information and second environment information whether portable terminal is in stolen state.More specifically, determination module 400 can determine by the situation of change of first environment information and second environment information whether portable terminal is in stolen state.For example, the variation difference of first environment information and second environment information is larger etc.
Alarm module 500 is used for sending alarm when determination module 400 determines that portable terminal is in stolen state.For example, it is alert that portable terminal can send ring, perhaps jingle bell, and the prompting user portable terminal is stolen.
Anti-theft device according to the portable terminal of the embodiment of the invention, first environment information and second environment information by the monitoring portable terminal, and can judge in time, accurately and efficiently portable terminal according to first environment information and second environment information change and whether be lost or stolen, and when being lost or being stolen, sends portable terminal alarm, with prompting user, promoted user's experience.
Fig. 6 is the structural representation of the determination module 400 of one embodiment of the invention.
As shown in Figure 6, determination module 400 comprises: the first judging unit 410, the second judging unit 420 and determining unit 430.
Particularly, the first judging unit 410 is used for judging that whether the strength difference of the second light intensity and the first light intensity is greater than the first preset strength threshold value.
More specifically, when portable terminal enters antitheft opening, and when being in the pocket, the first light intensity that the first acquisition module 100 obtains a little less than, after the earphone of portable terminal is pulled out, for example may be that the user uses portable terminal or portable terminal to be stolen by the people, the second light intensity that this moment, the second acquisition module 300 obtained is stronger, for example be in outside the pocket, light is stronger, and whether the first judging unit 410 can determine greater than the first preset strength threshold value whether portable terminal is taken out pocket by the strength difference of judging the second light intensity and the first light intensity.
The second judging unit 420 is used for judging that further whether the variation difference of the second light intensity in the second Preset Time section is greater than the second preset strength threshold value when the first judging unit 410 is judged strength difference greater than the first preset strength threshold value.
Determining unit 430 is used for determining that portable terminal is in described stolen state when the second judging unit 420 is judged the variation difference greater than the second preset strength threshold value.More specifically, the second acquisition module 300 monitors again the variation of the second light intensity in (for example several seconds) in the second Preset Time section, if dying down of the second light intensity, and greater than the second preset strength threshold value, can determine that portable terminal is re-injected into again in the pocket this moment, portable terminal might be stolen, information can not have greatly changed if the user continues to use the portable terminal second environment, if the user reloads pocket with portable terminal, very likely can again earphone be inserted, determine thus whether portable terminal is in stolen state.
Anti-theft device according to the portable terminal of the embodiment of the invention, the variation of light intensity by the monitoring portable terminal, whether in time, judge accurately and efficiently portable terminal is lost or is stolen, and when being lost or being stolen, sends portable terminal alarm, with prompting user, further promoted user's experience.
Fig. 7 is the structural representation of the determination module 400 of another embodiment of the present invention.
As shown in Figure 7, determination module 400 also comprises on basis shown in Figure 6: acquiring unit 440 and the 3rd judging unit 450.
Particularly, acquiring unit 440 is used for obtaining the horizontal displacement value in the 3rd Preset Time section.Wherein, after the earphone of portable terminal was pulled out, portable terminal might be taken out pocket, for example might be that the user need to use portable terminal or portable terminal to be stolen.If the displacement of portable terminal is vertical direction, might be the user at operating mobile terminal, if the displacement of portable terminal is level, might be that portable terminal is stolen.Thus, acquiring unit 440 obtains the horizontal displacement in (for example several seconds) in the 3rd Preset Time, can determine whether portable terminal is stolen.
Whether the 3rd judging unit 450 is used for the determined level shift value greater than the preset displacement value, and wherein, determining unit 430 also is used for during greater than the preset displacement value, determining that portable terminal is in stolen state at the 3rd judging unit 450 determined level shift values.
Wherein, the preset displacement value can be 20 ~ 60 centimetres, is preferably 40 centimetres.Particularly, operate if the user takes out portable terminal, usually between 20 centimetres to 60 centimetres, might portable terminal by stealer be taken out pocket if surpass this distance range apart from the horizontal range of health.Thus, greater than the preset displacement value, can judge portable terminal might be stolen by the horizontal displacement value.
Anti-theft device according to the portable terminal of the embodiment of the invention, the variation of horizontal displacement value by the monitoring portable terminal, whether in time, judge accurately and efficiently portable terminal is lost or is stolen, and when being lost or being stolen, sends portable terminal alarm, with prompting user, further promoted user's experience.
Fig. 8 is the structural representation of the determination module 400 of another embodiment of the present invention.
As shown in Figure 8, determination module 400 also comprises on basis shown in Figure 7: the 4th judging unit 460 and the 5th judging unit 470.
Particularly, the 4th judging unit 460 is used for judging that whether the absolute difference of the second acceleration and the first acceleration is greater than preset difference value.More specifically, when portable terminal enters antitheft opening, and when being in the pocket, portable terminal monitor the first acceleration, for example user walking or the acceleration by bike the time are after the earphone of portable terminal is pulled out, if the second acceleration surpasses preset difference value with respect to the variation of the first acceleration, then portable terminal may be in abnormal condition, for example may drop or is stolen.
The 5th judging unit 470 is used for when the 4th judging unit 460 is judged greater than preset difference value, further judge that whether the second acceleration is greater than default acceleration rate threshold, wherein, determining unit 430 also is used for determining that portable terminal is in stolen state when the 5th judging unit 470 is judged the second acceleration information greater than default acceleration rate threshold.
Wherein, default acceleration rate threshold can be set as for 3 ~ 6 meter per second * seconds, was preferably for 4 meter per second * seconds.Particularly, for example, as user by bike the time, portable terminal can drop out from pocket, this moment the second acceleration greater than default acceleration range, portable terminal may be lost, then definite portable terminal is in stolen state.
Anti-theft device according to the portable terminal of the embodiment of the invention, the variation of accekeration by the monitoring portable terminal, whether in time, judge accurately and efficiently portable terminal is lost or is stolen, and when being lost or being stolen, sends portable terminal alarm, with prompting user, further promoted user's experience.
Fig. 9 is the structured flowchart of the anti-theft device of portable terminal in accordance with another embodiment of the present invention.
As shown in Figure 9, on basis shown in Figure 5, the anti-theft device of portable terminal also comprises: opening module 600 and judge module 700.
Opening module 600 is used for opening alarm timer after portable terminal enters antitheft opening;
Judge module 700 is used for judging whether alarm timer is overtime, and wherein, determination module 400 also is used for judging that at judge module 700 alarm timer is overtime, determines that portable terminal is in stolen state.
More specifically, if earphone is after portable terminal is pulled out, opening module 600 can start an alarm timer when portable terminal entered screen lock state automatically, if alarm timer surpasses preset value, for example 5 seconds, portable terminal sends alarm, for example, it is alert that portable terminal can send ring, perhaps jingle bell, and the prompting user portable terminal is stolen.If the user illustrates the user just at operating mobile terminal by input unlock password screen, the timing of portable terminal cancellation alarm timer.Thus, by opening alarm timer, can simple and fast judge portable terminal and whether be lost or be in stolen state and sent alarm when portable terminal is lost or is stolen, with prompting user, further promoted user's experience.
Should be appreciated that each several part of the present invention can realize with hardware, software, firmware or their combination.In the above-described embodiment, a plurality of steps or method can realize with being stored in the memory and by software or firmware that suitable instruction execution system is carried out.For example, if realize with hardware, the same in another embodiment, can realize with the combination of each or they in the following technology well known in the art: have for the discrete logic of data-signal being realized the logic gates of logic function, application-specific integrated circuit (ASIC) with suitable combinational logic gate circuit, programmable gate array (PGA), field programmable gate array (FPGA) etc.
In the description of this specification, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present invention or the example in conjunction with specific features, structure, material or the characteristics of this embodiment or example description.In this manual, the schematic statement of above-mentioned term not necessarily referred to identical embodiment or example.And the specific features of description, structure, material or characteristics can be with suitable mode combinations in any one or more embodiment or example.
Although illustrated and described embodiments of the invention, for the ordinary skill in the art, be appreciated that without departing from the principles and spirit of the present invention and can carry out multiple variation, modification, replacement and modification to these embodiment, scope of the present invention is by claims and be equal to and limit.
Claims (14)
1. the theft preventing method of a portable terminal is characterized in that, may further comprise the steps:
A, portable terminal enter antitheft opening according to user instruction, and obtain the residing first environment information of described portable terminal;
Whether the earphone that b, described portable terminal are monitored described portable terminal is pulled out;
If the described earphone of c is pulled out, then obtain the residing second environment information of described portable terminal in the first Preset Time section;
D, described portable terminal determine according to described first environment information and described second environment information whether described portable terminal is in stolen state; And
If the described portable terminal of e is in described stolen state, then described portable terminal sends alarm.
2. method according to claim 1, it is characterized in that, described first environment information comprises one or more in the first light intensity, the first acceleration and the first height, and described second environment information comprises one or more in the second light intensity, the second acceleration and the second height.
3. method according to claim 2 is characterized in that, described steps d specifically may further comprise the steps:
Described portable terminal judges that whether the strength difference of described the second light intensity and described the first light intensity is greater than the first preset strength threshold value;
If described strength difference is greater than described the first preset strength threshold value, then described portable terminal judges that further whether the variation difference of described the second light intensity in the second Preset Time section is greater than the second preset strength threshold value; And
If described variation difference, determines then that described portable terminal is in described stolen state greater than described the second preset strength threshold value.
4. method according to claim 2 is characterized in that, described steps d is further comprising the steps of:
Horizontal displacement value in described acquisition for mobile terminal the 3rd Preset Time section;
Described portable terminal judges that whether described horizontal displacement value is greater than the preset displacement value; And
If described horizontal displacement value, determines then that described portable terminal is in described stolen state greater than described preset displacement value.
5. method according to claim 2 is characterized in that, described steps d is further comprising the steps of:
Described portable terminal judges that whether the absolute difference of described the second acceleration and described the first acceleration is greater than preset difference value;
If greater than described preset difference value, then described portable terminal further judges that whether described the second acceleration is greater than default acceleration rate threshold; And
If described the second acceleration information, determines then that described portable terminal is in described stolen state greater than described default acceleration rate threshold.
6. each described method is characterized in that according to claim 1-5, and is further comprising the steps of:
After described portable terminal enters antitheft opening, open alarm timer;
Described portable terminal judges whether described alarm timer is overtime; And
If described alarm timer is super, determine that then described portable terminal is in described stolen state.
7. method according to claim 6 is characterized in that, when the described portable terminal of described user's release, described alarm timer stops timing.
8. the anti-theft device of a portable terminal is characterized in that, comprising:
The first acquisition module is used for entering antitheft opening according to user instruction, and obtains the residing first environment information of described portable terminal;
Whether monitoring modular is pulled out for the earphone of monitoring described portable terminal;
The second acquisition module is used for obtaining the residing second environment information of described portable terminal in the first Preset Time section when the described earphone of described monitoring module monitors is pulled out;
Determination module is used for determining according to described first environment information and described second environment information whether described portable terminal is in stolen state; And
The alarm module is used for sending alarm when described determination module determines that described portable terminal is in described stolen state.
9. device according to claim 8, it is characterized in that, described first environment information comprises one or more in the first light intensity, the first acceleration and the first height, and described second environment information comprises one or more in the second light intensity, the second acceleration and the second height.
10. according to claim device 9 described methods, it is characterized in that, described determination module comprises:
The first judging unit is used for judging that whether the strength difference of described the second light intensity and described the first light intensity is greater than the first preset strength threshold value;
The second judging unit is used for during greater than described the first preset strength threshold value, judging further that whether the variation difference of described the second light intensity in the second Preset Time section is greater than the second preset strength threshold value at the described strength difference of described the first judgment unit judges; And
Determining unit is used for during greater than described the second preset strength threshold value, determining that described portable terminal is in described stolen state in the described variation difference of described the second judgment unit judges.
11. device according to claim 9 is characterized in that, described determination module also comprises:
Acquiring unit is used for obtaining the horizontal displacement value in the 3rd Preset Time section;
The 3rd judging unit, be used for judging that whether described horizontal displacement value is greater than the preset displacement value, wherein, described determining unit also is used for during greater than described preset displacement value, determining that described portable terminal is in described stolen state in the described horizontal displacement value of described the 3rd judgment unit judges.
12. device according to claim 9 is characterized in that, described determination module also comprises:
The 4th judging unit is used for judging that whether the absolute difference of described the second acceleration and described the first acceleration is greater than preset difference value;
The 5th judging unit, be used in described the 4th judgment unit judges during greater than described preset difference value, further judge that whether described the second acceleration is greater than default acceleration rate threshold, wherein, described determining unit also is used for during greater than described default acceleration rate threshold, determining that described portable terminal is in described stolen state at described the second acceleration information of described the 5th judgment unit judges.
13. each described device is characterized in that according to claim 8-12, also comprises:
Opening module is used for opening alarm timer after described portable terminal enters antitheft opening;
Judge module is used for judging whether described alarm timer is overtime, and wherein, described determination module also is used for judging that at described judge module described alarm timer is overtime, determines that described portable terminal is in described stolen state.
14. device according to claim 13 is characterized in that, when the described portable terminal of described user's release, described alarm timer stops timing.
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| CN201210511238.1A CN103024164B (en) | 2012-12-03 | 2012-12-03 | Anti-theft method and device of mobile terminal |
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| CN201210511238.1A CN103024164B (en) | 2012-12-03 | 2012-12-03 | Anti-theft method and device of mobile terminal |
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| CN103841264A (en) * | 2014-02-19 | 2014-06-04 | 小米科技有限责任公司 | Method and device for protecting terminal equipment and terminal equipment |
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