CN102158571A - Charging anti-theft protection method for mobile terminal - Google Patents
Charging anti-theft protection method for mobile terminal Download PDFInfo
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Abstract
The invention discloses a charging anti-theft protection method for a mobile terminal. In a charger, a first triode, a second triode, a first resistor and a second resistor are arranged, and a charging detection module and an anti-theft protection module are arranged in the mobile terminal. The charging detection module is used for setting and reading level states of a positive voltage data port and a negative voltage data port in a first interface, thereby verifying whether the charger with the first and second triodes and the first and second resistors is applicable or not, and if the charger does not pass the verification, the mobile terminal enables the anti-theft protection module to deny the charging and automatically adopt the protective measures of deleting sensitive data stored in the mobile terminal, and the like. A thief cannot charge the mobile terminal even though stealing the mobile terminal, and great difficulties are brought by the worthless mobile terminal to the stolen mobile terminal disposal of the thief, so the thief naturally may not steal the mobile terminal, and an anti-theft function is naturally realized.
Description
Technical field
The present invention relates to the anti-theft technique of portable terminal, particularly portable terminal charging anti-theft protection technology.
Background technology
See also Fig. 1, the charging system of portable terminal generally comprises portable terminal 11 and charger 21, be provided with the female mouth 113 of central processing unit 111, charging detection module 112 and USB in described charging portable terminal 11, described central processing unit 111 is connected for female mouthful 113 with USB by charging detection module 112.
Have public mouthful of attaching plug 211, usb data line and USB at charger 21, described usb data line comprises power line VDD, positive voltage data wire D+, negative voltage data line D-and ground wire GND.Be provided with charging output module 212 in charger, described charging output module 212 is connected with ground wire GND with power line VDD, and positive voltage data wire D+ and negative voltage data line D-are in vacant state.When portable terminal charges, only need the public mouth of USB is connected for female mouthful with USB, charging detection module 112 detects charger and inserts, and just can realize charging.
See also Fig. 2, it is the another kind of charging modes of prior art, be with the aforesaid way difference, positive voltage data wire D+ on the described charger and negative voltage data line D-short circuit, same only the need is connected the public mouth of USB for female mouthful with USB when charging, the charging detection module detects charger and inserts, and just can realize charging.
Charger that above-mentioned portable terminal uses and charging data wire have unified specification, can be general mutually, and this has brought easily simultaneously to the user, has also made things convenient for the robber to dispose of stolen goods.The robber is after stealing portable terminal, and only needing to buy general charger can dispose of stolen goods.
And existing portable terminal does not all possess the antitheft function of charging, and this also is the major reason that the bandits are giving a lot of trouble at present.Therefore, the robber is stolen behind the portable terminal and can not realizing charging, is one of direction of this area research.
Summary of the invention
In view of above-mentioned the deficiencies in the prior art part, the object of the present invention is to provide portable terminal charging anti-theft protection method, make portable terminal can only adopt its original-pack charger to charge.
In order to achieve the above object, the present invention has taked following technical scheme:
A kind of portable terminal charging anti-theft protection method, wherein, described method may further comprise the steps:
S1, first interface of portable terminal connects second interface of charger, and charger connects civil power;
S2, the charging detection module of portable terminal begins to detect;
S3, the D+ port of first interface is set to export high level, and the D-port of first interface is set to draw in the input;
S4, whether the D-that detects first interface is logic low; Be then to carry out S5, otherwise carry out S12;
S5, the D+ port of first interface is set to output low level, and the D-port of first interface is set to draw in the input;
S6, whether the D-that detects first interface is logic high; Be then to carry out S7, otherwise carry out S12;
S7, the D-port of first interface is set to export high level, and the D+ port of first interface is set to draw in the input;
S8, whether the D+ that detects first interface is logic low; Be then to carry out S9, otherwise carry out S12;
S9, the D-port of first interface is set to output low level, and the D+ port of first interface is set to draw in the input;
S10, whether the D+ that detects first interface is logic high; Be then to carry out S11, otherwise carry out S12;
S11, the charging detection module detects and finishes, and charger charges to portable terminal;
S12, the central processing unit of charging detection module notice portable terminal starts the anti-theft protection module, carries out the anti-theft protection measure by the anti-theft protection module.
Described portable terminal charging anti-theft protection method; wherein, first interface of the portable terminal in described step S1 second interface that connects charger further comprises: the D-port that the D+ port of first interface connects the D+ port of second interface, first interface connects the D-port of second interface.
Described portable terminal charging anti-theft protection method, wherein, described anti-theft protection measure comprises one or several in refusal charging, deletion sensitive data or the requirement input password.
A kind of charging burglary-resisting system of portable terminal comprises charger and portable terminal, and described portable terminal is provided with first interface, and described charger is provided with second interface adaptive with described first interface; Wherein,
Described charger also is provided with charging output module, first triode, second triode, first resistance and second resistance, and described charging output module is used for charging to portable terminal; Negative voltage data line cap in described second interface connects the base stage of first triode and the collector electrode of second triode, positive voltage data line ports in second interface connects the base stage of the collector electrode and second triode of first triode, the emitter of first, second triode connects ground wire port and charging output module, the collector electrode of first, second triode, connects power line port and charging output module by first resistance, second resistance respectively;
Described portable terminal also is provided with central processing unit, charging detection module and anti-theft protection module, and described anti-theft protection module is connected with the charging detection module by described central processing unit, and described charging detection module is connected with described first interface;
Wherein, the D+ port that described charging detection module is used for first interface is set to export high level, and the D-port of first interface is provided with in the input draws, and detects the logic level state of the D-port of first interface; When the D-port that detects first interface was high level, the charging detection module was further used for notifying central processing unit to start the anti-theft protection module and carries out the anti-theft protection measure; When the D-that detects first interface is low level, the D+ port that the charging detection module is further used for first interface is set to output low level, and the D-port of first interface is set to draw in the input, and detects the logic level state of the D-port of first interface; When the D-port that detects first interface was low level, the charging detection module was further used for notifying central processing unit to start the anti-theft protection module and carries out the anti-theft protection measure; When the D-that detects first interface is high level, the D-port that the charging detection module is further used for first interface is set to export high level, and the D+ port of first interface is set to draw in the input, and detects the logic level state of the D+ port of first interface; When the D+ port that detects first interface was high level, the charging detection module was further used for notifying central processing unit to start the anti-theft protection module and carries out the anti-theft protection measure; When the D+ port that detects first interface is low level, the D-port that the charging detection module is further used for first interface is set to output low level, and the D+ port of first interface is set to draw in the input, and detects the logic level state of the D+ port of first interface; When the D+ port that detects first interface was low level, the charging detection module was further used for notifying central processing unit to start the anti-theft protection module and carries out the anti-theft protection measure; When the D+ that detects first interface is high level, then detect and finish, portable terminal charges normal.
The charging burglary-resisting system of described portable terminal, wherein, described portable terminal is a kind of among portable consumer electronic product, mobile phone, the MID.
The charging burglary-resisting system of described portable terminal, wherein, the anti-theft protection measure of described anti-theft protection module comprises and disconnects that charging connects, the deletion sensitive data, requires in the input password one or more.
A kind of portable terminal, comprise first interface, wherein, described portable terminal also comprises central processing unit, charging detection module and anti-theft protection module, described anti-theft protection module is connected with the charging detection module by described central processing unit, and described charging detection module is connected with described first interface; Wherein:
The D+ port that described charging detection module is used for first interface is set to export high level, and the D-port of first interface is provided with in the input draws, and detects the logic level state of the D-port of first interface; When the D-port that detects first interface was high level, the charging detection module was further used for notifying central processing unit to start the anti-theft protection module and carries out the anti-theft protection measure; When the D-that detects first interface is low level, the D+ port that the charging detection module is further used for first interface is set to output low level, and the D-port of first interface is set to draw in the input, and detects the logic level state of the D-port of first interface; When the D-port that detects first interface was low level, the charging detection module was further used for notifying central processing unit to start the anti-theft protection module and carries out the anti-theft protection measure; When the D-that detects first interface is high level, the D-port that the charging detection module is further used for first interface is set to export high level, and the D+ port of first interface is set to draw in the input, and detects the logic level state of the D+ port of first interface; When the D+ port that detects first interface was high level, the charging detection module was further used for notifying central processing unit to start the anti-theft protection module and carries out the anti-theft protection measure; When the D+ port that detects first interface is low level, the D-port that the charging detection module is further used for first interface is set to output low level, and the D+ port of first interface is set to draw in the input, and detects the logic level state of the D+ port of first interface; When the D+ port that detects first interface was low level, the charging detection module was further used for notifying central processing unit to start the anti-theft protection module and carries out the anti-theft protection measure; When the D+ that detects first interface is high level, then detect and finish, portable terminal charges normal.
Described portable terminal, wherein, described portable terminal is a kind of among portable consumer electronic product, mobile phone, the MID.
Described portable terminal, wherein, the anti-theft protection measure of described anti-theft protection module comprises and disconnects that charging connects, the deletion sensitive data, requires in the input password one or more.
Portable terminal charging anti-theft protection method provided by the invention; by in charger; increase by first; second triode and first; second resistance; and in portable terminal, increase charging detection module and anti-theft protection module; described charging detection module is used for being provided with and reading the level state of the first interface positive voltage FPDP and negative voltage data port; thereby whether the checking charger is that the charger that is suitable for (is the above-mentioned increase of mentioning first; second triode and first; the charger of second resistance); move the starting terminal anti-theft module when authentication failed, the refusal charging also takes to delete the safeguard measures such as sensitive data that are stored on the portable terminal automatically.Even the robber has stolen portable terminal and also can't realize making this portable terminal lose value to the thief to portable terminal charging like this, dispose of stolen goods to the thief and brought very big difficulty, the thief hopes naturally and halts, thereby plays antitheft effect.
Description of drawings
Fig. 1 is the schematic diagram of a kind of charging scheme of portable terminal in the prior art.
Fig. 2 is the schematic diagram of the another kind of charging scheme of portable terminal in the prior art.
The schematic diagram of the charging burglary-resisting system of the portable terminal that Fig. 3 provides for the embodiment of the invention.
Fig. 4 is the implementation method flow chart of the charging burglary-resisting system of portable terminal provided by the invention.
The schematic diagram of the portable terminal that Fig. 5 provides for the embodiment of the invention.
Embodiment
Portable terminal charging anti-theft protection method provided by the invention; this method utilized the GPIO interface on draw characteristic; by charging detection module setting with read the level state of positive voltage FPDP and negative voltage data port in first interface; thereby whether the checking charger is the charger that is suitable for; when authentication failed, start anti-theft module; the refusal charging is also taked safeguard measure; can't realize charging to portable terminal; make portable terminal can only use its original-pack charger to charge, thereby play anti-theft feature.
For making purpose of the present invention, technical scheme and effect clearer, clear and definite, below with reference to accompanying drawing and give an actual example that the present invention is described in more detail.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
The portable terminal that the embodiment of the invention provides is mobile phone, MID(Mobile Internet Devices, mobile internet device) or go up dictyosome.See also Fig. 3, the charging burglary-resisting system of the portable terminal that the embodiment of the invention provides comprises portable terminal 10 and charger 20, described charger 20 has a usb data line (not marking among the figure), end at the usb data line connects one second interface, the other end connects attaching plug 203, and described portable terminal 10 is provided with first interface adaptive with second interface.
In the present embodiment, described first interface and second interface are A type Mini USB interface commonly used in the prior art, has data transmission port, in charging, can also realize transfer of data, can certainly be for other has the interface of similar functions in the prior art, as A type USB interface, 1394 interfaces etc.Because second interface and first interface are prior art, this is among Fig. 3 not shown.
Wherein, in first interface and second interface, be respectively arranged with power line port VDD, positive voltage data line ports D+, negative voltage data line cap D-and ground wire port GND.
Be provided with first triode 201, second triode 202 and charging output module 204 in the described charger 20.Described charging output module 204 is connected with ground wire port GND in second interface with the attaching plug 203 of charger 20, power line port VDD in second interface respectively, and inserts civil powers by attaching plug 203.
Further, the D-(negative voltage data line cap of described second interface) connects the base stage b1 of first triode 201 and the collector electrode c2 of second triode 202, the D+(positive voltage data line ports of second interface) connects the collector electrode c1 of first triode 201 and the base stage b2 of second triode 202, the emitter e 1 of first, second triode, e2 connect the GND and the charging output module 204 of second interface, and collector electrode c1, the c2 of first, second triode connects the VDD and the charging output module 204 of second interface respectively by first resistance 205, second resistance 206.
If the characteristic of triode is at be(base stage and emitter) between add logical one level (being high level), the ce(collector and emitter) between conducting.If add the logical zero level between the be, then ce is by (not conducting).Then can be drawn by connected mode shown in Figure 3: if D+ is a high level, then D-can detect low level; If D+ is a low level, then D-can detect high level; If D-is a high level, then D+ can detect low level; If D-is a low level, then D+ can detect high level.Its principle is, when D+ is logical one, and the c2e2 conducting of second triode 202, then the c2 electrode potential is 0, D-extremely links to each other with the c2 of second triode 202, so the level of D-is a logical zero.This moment, the b1e1 current potential of first triode 201 was logical zeros, and then c1e1 does not have conducting, so the high level of D+ can be kept.Oppositely in like manner, repeat no more.
As seen from the above analysis, the effect of inner first and second triode of described charger is a logic inverter, and described inverter input and output can adjust, and its truth table is as follows:
| D+ output | 1 | 0 |
| The D-input | 0 | 1 |
| D-output | 1 | 0 |
| The D+ input | 0 | 1 |
In the present embodiment, positive voltage data line ports D+ in first interface and negative voltage data line cap D-are the interface under the central processing unit control, have the characteristic of GPIO interface (General Purpose Input and Output, input/output interface).When drawing on the GPIO interface, it possesses following characteristic: when the GPIO interface was unsettled, it was logical one that central processing unit detects the GPIO interface level; When the GPIO interface connect low level, it was logical zero that central processing unit detects the GPIO interface level. if the GPIO interface draws on not, then can not possess above-mentioned characteristic simultaneously.
In described portable terminal 10, also be provided with central processing unit 101, charging detection module 102 and anti-theft protection module 103; described anti-theft protection module 103 is connected with charging detection module 102 by described central processing unit 101; be used for when the ID of charge management module checking charger fails, safeguard measures such as password are imported in the sensitive data or the requirement of the charging of realization refusal, deletion portable terminal 10.
Described charging detection module 102 is connected with first interface, is used to detect charger 20 and whether inserts portable terminal 10, and be provided with and detect the positive voltage data line ports in first interface and the level state of negative pressure electricity data line ports.
Further, during charging, first interface of portable terminal 10 connects second interface of charger 20, and first interface corresponds to each other with ground wire port GND with power line port VDD, positive voltage data line ports D+, negative voltage data line cap D-in second interface and is connected.The D+ port that described charging detection module 102 is used for first interface is set to export high level, and the D-port of first interface is provided with in the input draws, and detects the logic level state of the D-port of first interface; When the D-port that detects first interface was high level, the charging detection module was further used for notifying central processing unit 101 to start anti-theft protection module 103 and carries out the anti-theft protection measure; When the D-that detects first interface is low level, the D+ port that charging detection module 102 is further used for first interface is set to output low level, and the D-port of first interface is set to draw in the input, and detects the logic level state of the D-port of first interface; When the D-port that detects first interface was low level, charging detection module 102 was further used for notifying central processing unit 101 to start anti-theft protection module 103 and carries out the anti-theft protection measure; When the D-that detects first interface is high level, the D-port that charging detection module 102 is further used for first interface is set to export high level, and the D+ port of first interface is set to draw in the input, and detects the logic level state of the D+ port of first interface; When the D+ port that detects first interface was high level, charging detection module 102 was further used for notifying central processing unit 101 to start anti-theft protection module 103 and carries out the anti-theft protection measure; When the D+ port that detects first interface is low level, the D-port that charging detection module 102 is further used for first interface is set to output low level, and the D+ port of first interface is set to draw in the input, and detects the logic level state of the D+ port of first interface; When the D+ port that detects first interface was low level, charging detection module 102 was further used for notifying central processing unit 101 to start anti-theft protection module 103 and carries out the anti-theft protection measure; When the D+ that detects first interface is high level, then detect and finish, portable terminal charges normal.
Based on the charging burglary-resisting system of above-mentioned portable terminal, the embodiment of the invention is also corresponding to provide a kind of charging burglary-resisting system of above-mentioned portable terminal that adopts to realize the method that charging is antitheft, sees also Fig. 4, and described method may further comprise the steps:
S1, described portable terminal connects described charger, and described charger connects civil power;
S2, described charging detection module begins to detect;
S3, the D+ port is set to export high level, and the D-port is set to draw in the input;
S4, whether detect D-is logic low; Be then to carry out S5, otherwise carry out S12;
S5, the D+ port is set to output low level, and the D-port is set to draw in the input;
S6, whether detect D-is logic high; Be then to carry out S7, otherwise carry out S12;
S7, the D-port is set to export high level, and the D+ port is set to draw in the input;
S8, whether detect D+ is logic low; Be then to carry out S9, otherwise carry out S12;
S9, the D-port is set to output low level, and the D+ port is set to draw in the input;
S10, whether detect D+ is logic high; Be then to carry out S11, otherwise carry out S12;
S11, described charging detection module detect and finish, and antitheft charger begins theft preventing mobile terminal is charged;
S12, charging detection module notice central processing unit starts the anti-theft protection module, and the anti-theft protection module starts the anti-theft protection measure.
For convenience of description, the port of D+ described in this step is the D+ port of first interface, and described D-port is the D-port of first interface.
Wherein, step S3 and S5 are that forward is connected described inverter (promptly from the D+ port to the D-port), and step S7 and S9 are for oppositely being connected described inverter (promptly from the D-port to the D+ port).
Wherein, connecting described charger at portable terminal described in the step S1 specifically comprises: second interface on the charger is connected with first interface on the portable terminal.Specifically, promptly the D+ port of first interface, D-port, GND port and vdd terminal mouth respectively with corresponding D+port, D-port, the GND port of second interface with the vdd terminal mouth is corresponding is connected.
In step S12, described anti-theft protection measure comprises one or several in refusal charging, deletion sensitive data or the requirement input password.
Based on above-mentioned system and method, the embodiment of the invention also provides a kind of portable terminal, sees also Fig. 5, and described portable terminal comprises first interface 504, central processing unit 502, charging detection module 503 and anti-theft protection module 501.Described anti-theft protection module 504 is connected with charging detection module 503 by described central processing unit 502, and described charging detection module 503 is connected with described first interface 501.
Wherein, the D+ port that described charging detection module 503 is used for first interface is set to export high level, and the D-port of first interface is provided with in the input draws, and detects the logic level state of the D-port of first interface; When the D-port that detects first interface was high level, the charging detection module was further used for notifying central processing unit 502 to start anti-theft protection module 504 and carries out the anti-theft protection measure; When the D-that detects first interface is low level, the D+ port that the charging detection module is further used for first interface is set to output low level, and the D-port of first interface is set to draw in the input, and detects the logic level state of the D-port of first interface; When the D-port that detects first interface was low level, charging detection module 503 was further used for notifying central processing unit 502 to start anti-theft protection module 504 and carries out the anti-theft protection measure; When the D-that detects first interface is high level, the D-port that charging detection module 503 is further used for first interface is set to export high level, and the D+ port of first interface is set to draw in the input, and detects the logic level state of the D+ port of first interface; When the D+ port that detects first interface was high level, charging detection module 503 was further used for notifying central processing unit 502 to start anti-theft protection module 504 and carries out the anti-theft protection measure; When the D+ that detects first interface is low level, the D-port that charging detection module 503 is further used for first interface is set to output low level, and the D+ port of first interface is set to draw in the input, and detects the logic level state of the D+ port of first interface; When the D+ port that detects first interface was low level, charging detection module 503 was further used for notifying central processing unit 502 to start anti-theft protection module 504 and carries out the anti-theft protection measure; When the D+ that detects first interface is high level, then detect and finish, portable terminal charges normal.
In sum; charging burglary-resisting system and its implementation of portable terminal provided by the invention; by in charger; increase by first; second triode and first; second resistance; and in portable terminal, increase charging detection module and anti-theft protection module; described charging detection module is used for being provided with and reading the level state of the first interface positive voltage FPDP and negative voltage data port; thereby whether the checking charger is that the charger that is suitable for (is the above-mentioned increase of mentioning first; second triode and first; the charger of second resistance); move the starting terminal anti-theft module when authentication failed, the refusal charging also takes to delete the safeguard measures such as sensitive data that are stored on the portable terminal automatically.Even the robber has stolen portable terminal and also can't realize making this portable terminal lose value to the thief to portable terminal charging like this, dispose of stolen goods to the thief and brought very big difficulty, the thief hopes naturally and halts, thereby plays the anti-theft protection effect.
Characteristics such as simultaneously, the charging burglary-resisting system of portable terminal provided by the invention also has simple in structure, and cost is low.
Be understandable that, for those of ordinary skills, can be equal to replacement or change according to technical scheme of the present invention and inventive concept thereof, and all these changes or replacement all should belong to the protection range of the appended claim of the present invention.
Claims (9)
1. portable terminal charging anti-theft protection method is characterized in that described method may further comprise the steps:
S1, first interface of portable terminal connects second interface of charger, and charger connects civil power;
S2, the charging detection module of portable terminal begins to detect;
S3, the D+ port of first interface is set to export high level, and the D-port of first interface is set to draw in the input;
S4, whether the D-that detects first interface is logic low; Be then to carry out S5, otherwise carry out S12;
S5, the D+ port of first interface is set to output low level, and the D-port of first interface is set to draw in the input;
S6, whether the D-that detects first interface is logic high; Be then to carry out S7, otherwise carry out S12;
S7, the D-port of first interface is set to export high level, and the D+ port of first interface is set to draw in the input;
S8, whether the D+ that detects first interface is logic low; Be then to carry out S9, otherwise carry out S12;
S9, the D-port of first interface is set to output low level, and the D+ port of first interface is set to draw in the input;
S10, whether the D+ that detects first interface is logic high; Be then to carry out S11, otherwise carry out S12;
S11, the charging detection module detects and finishes, and charger charges to portable terminal;
S12, the central processing unit of charging detection module notice portable terminal starts the anti-theft protection module, carries out the anti-theft protection measure by the anti-theft protection module.
2. portable terminal charging anti-theft protection method according to claim 1; it is characterized in that second interface that first interface of the portable terminal in described step S1 connects charger further comprises: the D-port that the D+ port of first interface connects the D+ port of second interface, first interface connects the D-port of second interface.
3. portable terminal charging anti-theft protection method according to claim 1 is characterized in that, described anti-theft protection measure comprises one or several in refusal charging, deletion sensitive data or the requirement input password.
4. the charging burglary-resisting system of a portable terminal comprises charger and portable terminal, and described portable terminal is provided with first interface, and described charger is provided with second interface adaptive with described first interface; It is characterized in that,
Described charger also is provided with charging output module, first triode, second triode, first resistance and second resistance, and described charging output module is used for charging to portable terminal; Negative voltage data line cap in described second interface connects the base stage of first triode and the collector electrode of second triode, positive voltage data line ports in second interface connects the base stage of the collector electrode and second triode of first triode, the emitter of first, second triode connects ground wire port and charging output module, the collector electrode of first, second triode, connects power line port and charging output module by first resistance, second resistance respectively;
Described portable terminal also is provided with central processing unit, charging detection module and anti-theft protection module, and described anti-theft protection module is connected with the charging detection module by described central processing unit, and described charging detection module is connected with described first interface;
Wherein, the D+ port that described charging detection module is used for first interface is set to export high level, and the D-port of first interface is provided with in the input draws, and detects the logic level state of the D-port of first interface; When the D-port that detects first interface was high level, the charging detection module was further used for notifying central processing unit to start the anti-theft protection module and carries out the anti-theft protection measure; When the D-that detects first interface is low level, the D+ port that the charging detection module is further used for first interface is set to output low level, and the D-port of first interface is set to draw in the input, and detects the logic level state of the D-port of first interface; When the D-port that detects first interface was low level, the charging detection module was further used for notifying central processing unit to start the anti-theft protection module and carries out the anti-theft protection measure; When the D-that detects first interface is high level, the D-port that the charging detection module is further used for first interface is set to export high level, and the D+ port of first interface is set to draw in the input, and detects the logic level state of the D+ port of first interface; When the D+ port that detects first interface was high level, the charging detection module was further used for notifying central processing unit to start the anti-theft protection module and carries out the anti-theft protection measure; When the D+ port that detects first interface is low level, the D-port that the charging detection module is further used for first interface is set to output low level, and the D+ port of first interface is set to draw in the input, and detects the logic level state of the D+ port of first interface; When the D+ port that detects first interface was low level, the charging detection module was further used for notifying central processing unit to start the anti-theft protection module and carries out the anti-theft protection measure; When the D+ that detects first interface is high level, then detect and finish, portable terminal charges normal.
5. the charging burglary-resisting system of portable terminal according to claim 4 is characterized in that, described portable terminal is a kind of among portable consumer electronic product, mobile phone, the MID.
6. the charging burglary-resisting system of portable terminal according to claim 4 is characterized in that, the anti-theft protection measure of described anti-theft protection module comprises and disconnects that charging connects, the deletion sensitive data, requires in the input password one or more.
7. portable terminal, comprise first interface, it is characterized in that, described portable terminal also comprises central processing unit, charging detection module and anti-theft protection module, described anti-theft protection module is connected with the charging detection module by described central processing unit, and described charging detection module is connected with described first interface; Wherein:
The D+ port that described charging detection module is used for first interface is set to export high level, and the D-port of first interface is provided with in the input draws, and detects the logic level state of the D-port of first interface; When the D-port that detects first interface was high level, the charging detection module was further used for notifying central processing unit to start the anti-theft protection module and carries out the anti-theft protection measure; When the D-that detects first interface is low level, the D+ port that the charging detection module is further used for first interface is set to output low level, and the D-port of first interface is set to draw in the input, and detects the logic level state of the D-port of first interface; When the D-port that detects first interface was low level, the charging detection module was further used for notifying central processing unit to start the anti-theft protection module and carries out the anti-theft protection measure; When the D-that detects first interface is high level, the D-port that the charging detection module is further used for first interface is set to export high level, and the D+ port of first interface is set to draw in the input, and detects the logic level state of the D+ port of first interface; When the D+ port that detects first interface was high level, the charging detection module was further used for notifying central processing unit to start the anti-theft protection module and carries out the anti-theft protection measure; When the D+ port that detects first interface is low level, the D-port that the charging detection module is further used for first interface is set to output low level, and the D+ port of first interface is set to draw in the input, and detects the logic level state of the D+ port of first interface; When the D+ port that detects first interface was low level, the charging detection module was further used for notifying central processing unit to start the anti-theft protection module and carries out the anti-theft protection measure; When the D+ that detects first interface is high level, then detect and finish, portable terminal charges normal.
8. portable terminal according to claim 7 is characterized in that, described portable terminal is a kind of among portable consumer electronic product, mobile phone, the MID.
9. portable terminal according to claim 7 is characterized in that, the anti-theft protection measure of described anti-theft protection module comprises and disconnects that charging connects, the deletion sensitive data, requires in the input password one or more.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201010618541 CN102158571B (en) | 2010-12-31 | 2010-12-31 | Charging anti-theft protection method for mobile terminal |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201010618541 CN102158571B (en) | 2010-12-31 | 2010-12-31 | Charging anti-theft protection method for mobile terminal |
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| CN102158571A true CN102158571A (en) | 2011-08-17 |
| CN102158571B CN102158571B (en) | 2013-07-31 |
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| CN102158571B (en) | 2013-07-31 |
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