CN101951625B - Mobile phone on and off security detection and control device and method - Google Patents
Mobile phone on and off security detection and control device and method Download PDFInfo
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- CN101951625B CN101951625B CN201010297110.0A CN201010297110A CN101951625B CN 101951625 B CN101951625 B CN 101951625B CN 201010297110 A CN201010297110 A CN 201010297110A CN 101951625 B CN101951625 B CN 101951625B
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- 238000000034 method Methods 0.000 title claims abstract description 28
- 238000001514 detection method Methods 0.000 title claims abstract description 22
- 230000000630 rising effect Effects 0.000 claims description 5
- 238000007726 management method Methods 0.000 claims description 3
- 241000700605 Viruses Species 0.000 abstract description 7
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Abstract
The invention discloses a mobile phone on and off security detection and control device, which comprises a control CPU, a mobile phone on and off button detection control module, an application processor and a mobile phone on and off circuit. The invention also discloses a mobile phone on and off security detection and control method. Only when a user presses an on button, a mobile phone radio frequency module is turned on to supply power. As he mobile phone radio frequency module cannot be turned on to supply power if the on button is not pressed, remote illegal turning on and intercepting of the mobile phone infected with viruses are avoided. The system is bound to stop the power supply of the mobile phone radio frequency module as long as the system detects the user presses an off button to turn off the mobile phone, so false turning off of the mobile phone is avoided.
Description
Technical field
The present invention relates to field of mobile communication, relate in particular to a kind of safety detection and control device and method of handset switch machine.
Background technology
Popularization along with mobile phone, the potential safety hazard that mobile phone exists and the threat that faces become increasingly conspicuous, particularly smart mobile phone running environment mostly is open operating system, such as Windows Mobile, Android etc., its open interface allows the implantation of various softwares, when the user used smart mobile phone to pass through network or PC to download various application software, various viruses, back door etc. unavoidably appearred in mobile phone, some back door, virus can remote control starting hand-set power supplys, the ambient conditions of real-time listening mobile phone; Or be that screen backlight has been closed when the user shuts down, and other modules such as radio frequency the electricity of not closing, and cause false shutdown.If only take software processing method, can't solve these potential safety hazards.
For above technical problem, be necessary to adopt a kind of safety detection and control device and method of handset switch machine, avoid mobile phone when suffering virus infraction, illegally to be started shooting, cause mobile phone monitored, false shutdown perhaps appears after the user shuts down.
Summary of the invention
For when the handset switch machine, there are not a kind of safety detection control device and method, realize detection and control to the mobile phone switching on and shutting down, causing sometimes, the user does not press the switch switch, but because have some viruses and back door in the mobile phone, cause mobile phone by long-range illegal unlatching or false shutdown occurs, therefore be necessary to provide a kind of safety detection and control device and method of handset switch machine.
The safety detection control device of a kind of handset switch machine of the present invention, it is characterized in that comprising control CPU, handset switch machine button detects control module, application processor, the dynamo-electric road of handset switch, described handset switch machine button detects control module and comprises trigger (such as d type flip flop), with gate device, radio-frequency module power supply analog switch, the dynamo-electric road of described handset switch comprises power management module and handset switch machine button, described control CPU couples with handset switch machine button with gate device respectively, described trigger couples with handset switch machine button with gate device respectively, and described and gate device and the radio-frequency module analog switch of powering couples.
Switching on and shutting down safety detection and control method for above-mentioned design are as follows:
(1) start detects and control method: its feature only have exactly the user by key just understand the power supply of starting hand-set radio-frequency module, do not press key with and then can't power by the starting hand-set radio-frequency module.Detailed process is:
The user presses key, and energy supply control module begins to system power supply, and key is as trigger (such as d type flip flop) input, and this moment, its level was high; One group of output of energy supply control module is inputted as the clock of d type flip flop, booting moment, and this output level is a rising edge pulse by low uprising; The input clock of d type flip flop is the output of low level as Q, corresponding output at the ascent stage of this pulse with the key-press input upset
Be the input of high level conduct with door;
Because CPU is when powering in control, the default high level that is output as of output port, and as with another input of door;
With two inputs of gate device be high level, then be output as high level, and as radio-frequency module power control switch input, thereby open the radio-frequency module power supply, realize normal boot-strap.
Do not press key such as the user, then the d type flip flop input is always low, corresponding output
Also be always low, namely one of them is input as lowly with door, and just must for low can not open radio-frequency module power with gate device output this moment, and system can't work.
(2) close machine testing and control method: detect the user and shut down the then certain closing hand phone radio-frequency module power supply of system by closing key as long as its feature is exactly system.Detailed process is:
The user presses closing key, control CPU detects closing key and presses and begin timing, if within the time of setting, control CPU works on, and illustrative system does not close electricity, controls the CPU startup this moment and closes radio-frequency module power supply flow process: be about to its delivery outlet output level and set low, namely an incoming level with door is low, just must for low by control switch disconnected radio-frequency module with supply module be connected with gate device output this moment, thereby turn off the radio-frequency module power supply.
Detection of the present invention and control method can realize fully: only have the user by key just understand starting hand-set radio-frequency module power supply, press key then can't the power supply of starting hand-set radio-frequency module with, avoids mobile phone virally to be eavesdropped by long-range illegal start because infecting; As long as system detects the user and shuts down by closing key, false shutdown is avoided in the then certain closing hand phone radio-frequency module power supply of system.
Description of drawings
Fig. 1 is handset switch machine safety detection and control device system block diagram;
Fig. 2 is handset switch machine safety detection and control device structure principle chart.
Embodiment
Below in conjunction with Figure of description, specify the specific embodiment of the present invention.
Device provided by the invention is on the regular handset existing structure, increase control CPU, trigger (such as d type flip flop) and detect control module with handset switch machine button that gate device etc. forms, it is characterized in that: (1) control CPU couples with handset switch machine button with gate device respectively, described trigger couples with handset switch machine button with gate device respectively, and described and gate device and the radio-frequency module analog switch of powering couples; (2) described control CPU and d type flip flop are by controlling mouth, the opening and closing of control radio-frequency module power supply with gate device access radio-frequency module power supply analog switch.The device that the design's method increases with the structural relation of regular handset miscellaneous part as shown in Figure 1.Among the figure, application processor, radio-frequency module, power management module PMU are the original device of regular handset, control CPU, d type flip flop and with gate device be the device that the inventive method increases.
The apparatus structure schematic diagram that the inventive method provides as shown in Figure 2.The course of work is as follows:
Under off-mode, when the user presses the switching on and shutting down button, the d type flip flop incoming level is high, PMU begins to system power supply, and produce a rising edge level as the input clock of d type flip flop, d type flip flop is the output of low level as Q, corresponding output at the rising edge of input clock with the key-press input upset
Be high level, and as with an input of door; The control CPU default high level that is output as of time control donsole that powers on, and as with another input of door, must be height with gate device output this moment, and the control power control switch opens the radio-frequency module power supply, system begins normal operation.Because after PMU powered on, it is high that output level is always, also be high as the clock input of d type flip flop always, how to change (as press again or unclamp), the output of d type flip flop regardless of the key-press input level this moment
Can not change again, and be in the lock state, thereby make the radio-frequency module power supply be in stable state.Under off-mode, when PMU was opened in viral or rear gate control to system power supply, because the switching on and shutting down button is not pressed, key-press input end level was low, d type flip flop
Output also must be low level, and as with an input of door.The level of no matter controlling CPU control delivery outlet this moment is high or low, is always low with door output, thereby can not open the radio-frequency module power supply by the opening power control switch, and radio-frequency module can't be worked, thereby prevents that mobile phone is by remote-controlled start-up.
When mobile phone is in running order, press closing key such as the user, control CPU detects button and presses, and beginning timing, as control CPU detect system overtime also work, think that then system suffers virus or backdoor attack, control CPU delivery outlet is namely set low with door input port level, thereby the powered-down control switch cuts out radio-frequency module power supply, reaches to prevent that mobile phone is by straighforward operation, externally send information, monitored purpose.Not by virus or rear gate control, the user presses closing key such as mobile phone, and within preset time, system can finish shutdown process, and turns off the PMU power supply, and control CPU can not start pass radio frequency powered flow process.
The present invention is not limited to aforesaid embodiment.The present invention expands to any new feature or any new combination that discloses in this manual, and the arbitrary new method that discloses or step or any new combination of process.
Claims (7)
1. the safety detection control device of a handset switch machine, it is characterized in that comprising control CPU, handset switch machine button detects control module, application processor, the dynamo-electric road of handset switch, described handset switch machine button detects control module and comprises trigger, with gate device, radio-frequency module power supply analog switch, the dynamo-electric road of described handset switch comprises power management module and handset switch machine button, described control CPU couples with handset switch machine button with gate device respectively, described trigger couples with handset switch machine button with gate device respectively, and described and gate device and the radio-frequency module analog switch of powering couples;
The user presses key, and energy supply control module begins to application processor and control CPU power supply, and key is inputted as trigger, and the trigger incoming level is high; One group of output of energy supply control module is as the clock input of trigger, and this output level is a rising edge pulse by low uprising; The input clock of trigger is the output of low level as Q, corresponding output at the ascent stage of this pulse with the key-press input upset
Be the input of high level conduct with door;
CPU is when powering in control, the default high level that is output as of output port, and as with the input of door;
With two inputs of gate device be high level, then be output as high level, and as radio-frequency module power control switch input, thereby open the radio-frequency module power supply, realize start.
2. the safety detection control device of handset switch machine as claimed in claim 1 is characterized in that described trigger is d type flip flop.
3. the safety detection control method of a handset switch machine is characterized in that the user by just starting hand-set radio-frequency module power supply of key, and its concrete steps are:
The user presses key, and energy supply control module begins to application processor and control CPU power supply, and key is inputted as trigger, and the trigger incoming level is high; One group of output of energy supply control module is as the clock input of trigger, and this output level is a rising edge pulse by low uprising; The input clock of trigger is the output of low level as Q, corresponding output at the ascent stage of this pulse with the key-press input upset
Be the input of high level conduct with door;
CPU is when powering in control, the default high level that is output as of output port, and as with the input of door;
With two inputs of gate device be high level, then be output as high level, and as radio-frequency module power control switch input, thereby open the radio-frequency module power supply, realize start.
4. the safety detection control method of handset switch machine as claimed in claim 3 is characterized in that controlling CPU and detects the user by closing key, then control power supply analog switch closing hand phone radio-frequency module power supply.
5. the safety detection control method of handset switch machine as claimed in claim 4, its concrete steps are:
The user presses closing key, and control CPU detects closing key and presses and begin timing, if within the time of setting, control CPU works on, and controls CPU this moment and starts and close radio-frequency module power supply flow process.
6. the safety detection control method of handset switch machine as claimed in claim 5, it is characterized in that described control CPU starts closes radio-frequency module power supply process step and is: will control CPU delivery outlet output level and set low, an incoming level that is device is low, be low just with door output this moment, disconnect radio-frequency module by control power supply analog switch and be connected with supply module, thereby turn off the radio-frequency module power supply.
7. such as the safety detection control method of one of them described a kind of handset switch machine of claim 3 to 6, it is characterized in that described trigger is d type flip flop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010297110.0A CN101951625B (en) | 2010-09-30 | 2010-09-30 | Mobile phone on and off security detection and control device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010297110.0A CN101951625B (en) | 2010-09-30 | 2010-09-30 | Mobile phone on and off security detection and control device and method |
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| Publication Number | Publication Date |
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| CN101951625A CN101951625A (en) | 2011-01-19 |
| CN101951625B true CN101951625B (en) | 2013-03-06 |
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| CN201010297110.0A Expired - Fee Related CN101951625B (en) | 2010-09-30 | 2010-09-30 | Mobile phone on and off security detection and control device and method |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103901989A (en) * | 2012-12-24 | 2014-07-02 | 航天信息股份有限公司 | Method and device for realizing startup and shutdown based on Android system |
| CN103226337B (en) * | 2013-05-03 | 2015-09-16 | 深圳市科曼医疗设备有限公司 | On/off circuit |
| CN103874057B (en) * | 2014-03-26 | 2018-02-09 | 高云海 | Suitable for the mobile terminal and control system of concerning security matters place anti-eavesdrop |
| CN106027026A (en) * | 2016-06-22 | 2016-10-12 | 深圳市索瑞图科技有限公司 | Control circuit for one-way switch of embedded portable device |
| CN110134216B (en) | 2019-04-25 | 2020-09-15 | 维沃移动通信有限公司 | Power supply control device and method and terminal equipment |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1821931A (en) * | 2006-03-21 | 2006-08-23 | 佛山普立华科技有限公司 | Control method and its device for preventing error cut-off machine |
| CN101287036A (en) * | 2008-05-29 | 2008-10-15 | 德信无线通讯科技（北京）有限公司 | Method and device for preventing mobile phone from being woke-up in stand-by state |
| CN101399862A (en) * | 2008-10-23 | 2009-04-01 | 北京中星微电子有限公司 | Switch circuit for mobile phone and mobile phone construction based thereon |
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2010
- 2010-09-30 CN CN201010297110.0A patent/CN101951625B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1821931A (en) * | 2006-03-21 | 2006-08-23 | 佛山普立华科技有限公司 | Control method and its device for preventing error cut-off machine |
| CN101287036A (en) * | 2008-05-29 | 2008-10-15 | 德信无线通讯科技（北京）有限公司 | Method and device for preventing mobile phone from being woke-up in stand-by state |
| CN101399862A (en) * | 2008-10-23 | 2009-04-01 | 北京中星微电子有限公司 | Switch circuit for mobile phone and mobile phone construction based thereon |
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| CN101951625A (en) | 2011-01-19 |
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Granted publication date: 20130306 Termination date: 20210930 |