CN1536912A - Method for preventing mobile communication equipment from being remote controlled and become into wiretapper and its device - Google Patents

Method for preventing mobile communication equipment from being remote controlled and become into wiretapper and its device Download PDF

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Publication number
CN1536912A
CN1536912A CNA031100236A CN03110023A CN1536912A CN 1536912 A CN1536912 A CN 1536912A CN A031100236 A CNA031100236 A CN A031100236A CN 03110023 A CN03110023 A CN 03110023A CN 1536912 A CN1536912 A CN 1536912A
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China
Prior art keywords
mobile communication
communication equipment
passage
attitude
blocking
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Pending
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CNA031100236A
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Chinese (zh)
Inventor
梁闽海
陈箴
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Individual
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Individual
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Publication date
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Priority to CNA031100236A priority Critical patent/CN1536912A/en
Priority to PCT/CN2003/001140 priority patent/WO2004059954A1/en
Priority to AU2003292874A priority patent/AU2003292874A1/en
Publication of CN1536912A publication Critical patent/CN1536912A/en
Pending legal-status Critical Current

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Abstract

The invention refers to secrecy protecting method and device for mobile communication device such as the mobile phone, notebook computer, PDA. It sets control component in the channel relative to transmission with the audio frequency signal on the mobile communication device circuit, and the channel can be selected and controlled with one of following two states, one is normal state, the voice of mobile communication device can be transmitted out through normal mobile communication device; the second state is blockage state, the control component blocks the normal work of original function of channel, the voice around the mobile communication device can't be transmitted out, and switches the channel from blockage state into normal state, it can ignite only through mechanical action, it can't ignite with electron mode. Thus, the mobile communication device can't be in a call, when the channel is in blockage state, others can't use electron remote control method to change the channel into normal state, and uses the mobile communication device as detectagraph.

Description

Prevent that mobile communication equipment from being become the method and the device of tapping device by remote control
Affiliated technical field the present invention relates to mobile communication equipment, can prevent that particularly mobile phone, mobile computer from being become the method and the device of tapping device by remote control.
Though the various model mobile phone major parts of selling on the present China market of background technology are assembled production at home, but main chip all is by external import, even assemble the producer that produces mobile phone and all can't learn the main control chip source program, this just is difficult to guarantee do not contain the eavesdropping programming in numerous chip inlets.When mobile phone is in standby or off-mode, other people can utilize the relevant chip in the mobile phone, mobile phone being started with remote control mode by a locking equipment is talking state, sound around the mobile phone is sent out, make mobile phone become tapping device (existing many experts disclose this information in the media, and " vigilant mobile phone becomes the tapping device of yours on one's body " literary composition that National Defence University's science and technology and the big light of equipment Lee of teaching and research room are born on May 14th, 2002 earlier and are delivered at " Chinese national defence newspaper " is the representative article of this type of report).Therefore " security rule " of army and many government offices all stipulated, in secret occasion, the mobile phone carrier should unload battery of mobile phone or forbid carrying mobile phone, and this brings very big inconvenience for relevant user.
Along with the development of computer radio broadband technology, mobile computer has also possessed the function of wireless communication, and need prevent is equally become tapping device by remote control.
Summary of the invention is in the deficiency that standby and shutdown etc. can be utilized as tapping device during talking state by remote control in order to overcome radio mobile communication equipment such as existing mobile phone machine, the invention provides a kind of radio mobile communication equipment that can prevent is become the method and the device of tapping device by remote control, makes radio mobile communication equipment can prevent to be become tapping device by the remote control utilization when talking state not.
The technical solution adopted for the present invention to solve the technical problems is: the radio mobile communication circuitry produce with audio signal, transmit settle on the passage that is associated control assembly (for example add on the passage switch cut off passage, with passage short circuit or bypass, on passage, connect interfered circuit etc.), make this passage can selected control become a kind of in the following two states, a kind of state is a normality, and the sound around the mobile communication equipment can outwards transmit by mobile communication equipment is normal; Another kind of state is the blocking-up attitude, aforementioned control assembly hinders the operate as normal of its place passage original function, at this moment, sound around the mobile communication equipment can not outwards transmit by mobile communication equipment is normal, above-mentioned passage is switched to normality from the blocking-up attitude, must could trigger (for example clamshell phone is renovated the induction of opening, click, touch mobile phone or palmtop PC and shielded, press actions such as mobile phone key button) by mechanical action, only can not trigger by the electronics mode.Like this, radio mobile communication equipment is not conversed, and when above-mentioned passage was in the blocking-up attitude, other people just can't utilize the electronic telecontrol mode to change this passage into normality, can't be tapping device with the radio mobile communication equipment utilization just also.When radio mobile communication equipment need be conversed, the user switched to normality by the above-mentioned passage of mechanical action (for example cellular phone flip being opened) triggering habitually from the blocking-up attitude, and radio mobile communication equipment gets final product normal talking.When not conversing, can to the homing action (cellular phone flip of for example closing) or the logic judgment module of radio mobile communication equipment of the movable part of radio mobile communication equipment above-mentioned passage be switched to the blocking-up attitude by the user.Make radio mobile communication equipment be in the state that prevents to be become tapping device by remote control.
The invention has the beneficial effects as follows, when radio mobile communication equipment is in not talking state, can prevent to be become tapping device by remote control.
The present invention is further described below in conjunction with drawings and Examples for description of drawings.
Fig. 1 is the vertical section structural map of the embodiment of the invention 1.
Fig. 2 is the schematic block circuit diagram of the embodiment of the invention 1.
Fig. 3 is the contour structures schematic diagram of the embodiment of the invention 2.
Fig. 4 is the schematic block circuit diagram of the embodiment of the invention 2.
Fig. 5 is the contour structures schematic diagram of the embodiment of the invention 3.
Fig. 6 is the schematic block circuit diagram of the embodiment of the invention 3.
Fig. 7 is the contour structures schematic diagram of the embodiment of the invention 4.
Fig. 8 is the schematic block circuit diagram of the embodiment of the invention 4.
Fig. 9 is the schematic block circuit diagram of the embodiment of the invention 5,8.
Figure 10 is the program flow diagram of logic judgment module in the embodiment of the invention 5.
Figure 11 is the contour structures schematic diagram of the embodiment of the invention 6.
Figure 12 is the block diagram of the logic judgment module of the embodiment of the invention 6.
Figure 13 is the schematic block circuit diagram of the embodiment of the invention 6.
Figure 14 is the contour structures schematic diagram of the embodiment of the invention 7.
Figure 15 is the schematic block circuit diagram of the embodiment of the invention 7.
Among the figure: 1. mobile phone motor spindle, 2. mobile phone displacement portion, 3. control assembly, 4. on-hook switch, 5. hand-free function key, 6. logic judgment module, 7. notebook computer displacement portion, 8. microphone, 9. notebook computer bottom.
Embodiment
Embodiment 1 designs at Collapsible mobile telephone hand-held set up and down.Fig. 1 is a mobile phone vertical section structural map.When mobile phone motor spindle (1) and mobile phone displacement portion (2) when closing, control assembly (3) is in off state; When the user with mobile phone displacement portion (2) from mobile phone motor spindle (1) when opening, control assembly (3) is in channel status.Control assembly (3) can have multiple choices, for example: mechanical displacement formula switch, magnet controlled switch, light-operated switch, resistance, appearance formula switch.Be that example illustrates its principle with magnet controlled switch now: go up in mobile phone displacement portion (2) small magnet is installed, this small magnet is the part of control assembly (3); At mobile phone motor spindle (1) normally closed dry reed pipe is installed, this is another part of control assembly (3), and two-part installation position is close mutually when mobile phone closes.Be in reset mode in mobile phone displacement portion (2), promptly when mobile phone displacement portion (2) and mobile phone motor spindle (1) when closing, magnet is near tongue tube, and at this moment control assembly (3) is off state; When mobile phone displacement portion (2) from mobile phone motor spindle (1) when opening, magnet leaves tongue tube, at this moment control assembly (3) is channel status.Fig. 2 further explains present embodiment with the schematic block circuit diagram form, among Fig. 2, control assembly (3) can be selected to be arranged on the line of microphone (8), just cut off this passage when mobile phone displacement portion (2) when closing to mobile phone motor spindle (1), reached and prevent that mobile phone is by the purpose of other people infinity transmitter.In the enforcement, prevent that if desired other acoustical-electrical transducer spares (for example loudspeaker, buzzer, ringer) are reversed remote control and become pick-up, can increase one-way line at its front end and handle, for example add operational amplifier, power amplifier, triode etc. at its front end.
Embodiment 2 designs at rotary folding type mobile phone hand-held set structure, and Fig. 3 is a structure chart, and Fig. 4 is electric schematic block circuit diagram.Wherein selecting magnetic induction sensor for use in the control assembly (3), is example with the open type tongue tube.Tongue tube is contained in the mobile phone motor spindle (1), and permanent magnet is contained on the mobile phone displacement portion (2).Be in reset mode in mobile phone displacement portion (2), be that mobile phone displacement portion (2) and mobile phone motor spindle (1) are when being in coincidence status, magnet and tongue tube in the control assembly (3) are approaching, the contact of tongue tube is channel status by adhesive, then mobile phone microphone (8) is in the audio frequency short-circuit condition and can't works, and reaches to stop audio signal to transmit purpose; When mobile phone displacement portion (2) and mobile phone motor spindle (1) when being in separated position, then control assembly (3) is in open-circuit condition, and microphone (8) circuit returns to normal, and mobile phone can operate as normal.
Embodiment 3 designs at the pushing-pulling type structure of mobile telephone, and Fig. 5 is a structure chart, and Fig. 6 is a schematic block circuit diagram.Wherein select the light sensation inductive transducer for use in the control assembly (3), adopt a pair of far infrared to transmit and receive pipe, control assembly (3) is contained in the mobile phone motor spindle (1), pastes lastblock reflectance coating (as tinfoil paper, blank sheet of paper etc.) in mobile phone displacement portion (2) relevant position.Be in reset mode in mobile phone displacement portion (2), be that mobile phone displacement portion (2) and mobile phone motor spindle (1) are when being in coincidence status, the light that control assembly (3) transmitting tube penetrates is refracted to receiving tube through reflectance coating, the output signal of receiving tube is after the Schmidt circuit shaping, control assembly (3) is output as low level state, make microphone (8) lose normal bias voltage and can't operate as normal, stoped the audio signal transmission; When mobile phone displacement portion (2) and mobile phone motor spindle (1) when being in separated position, because reflectance coating is removed, control assembly (3) state turnover is output as high level, microphone (8) obtains normal bias voltage, makes mobile phone recover normal operating conditions.
Embodiment 4 sets up one by the directly actuated mechanical displacement formula of operator switch on mobile phone, Fig. 7 is a present embodiment contour structures schematic diagram, and control assembly (3) i.e. is switch for this reason.Fig. 8 is a schematic block circuit diagram, control assembly among the figure (3) can be arranged on the passage between audio processing modules and power supply, audio processing modules and central processing unit, audio processing modules and the microphone (8), cuts off any one the tunnel and can both reach and prevent the purpose eavesdropped when not conversing.
Embodiment 5 is intelligent logical control anti-eavesdrop pattern.Fig. 9 is a schematic block circuit diagram, and Figure 10 is the program flow diagram of programmable logic judgment module (6).Present embodiment utilize the mobile phone user answer, when on-hook, shutdown, the custom of capital operation respective keys or switch, whether detect mobile phone by the logic judgment module of setting up (6) is talking state, and control control assembly (3), control assembly (3) can be selected electronic switch (for example 74HC4066 integrated package) for use.Determining its pattern with control assembly (3) place channel position, can be direct break-make pattern or short circuit open circuit mode or low pass bypass mode etc.Look concrete condition for control assembly (3) and select one of them or several, all can reach the effect of anti-eavesdrop.Because switching to normality from the blocking-up attitude, above-mentioned passage must be undertaken by mobile phone being applied a mechanical action (for example pressing the induction screen of key button, touch, click mobile phone), mobile phone can't only be undertaken, so can't be utilized as tapping device by remote control by the electronics mode.Present embodiment can also be applied to electronic pen point contact type mobile phone or have the PDA of mobile telephone set function, palmtop PC, plate type computer radio mobile communication equipment such as (Tablet PC) concurrently.
Embodiment 6 designs at seat formula structure of mobile telephone.Figure 11 is the contour structures schematic diagram, and Figure 12 is the block diagram of logic judgment module, and Figure 13 is a schematic block circuit diagram.In Figure 11, the on-hook switch (4) of mobile phone motor spindle (1) and hand-free function key (5) are received a and the b place of Figure 12 logic judgment module (6) respectively, when seat formula mobile phone displacement portion (2) is put back to base and do not used hand-free function, the output c of logic judgment module (6) will make control assembly (3) enter the blocking-up attitude; When mobile phone displacement portion (2) is carried 1 or when pressing hand-free function key (5), the output c of logic judgment module (6) will make control assembly (3) revert to normality.Control assembly (3) can be selected electronic switch (for example 74HC4066 integrated package) for use.As shown in figure 13, there are many places the position that can select to be provided with, selects any one setting can both reach the purpose of anti-eavesdrop when not conversing.
Embodiment 7 designs at collapsible notebook computer, and among Figure 13, when notebook computer bottom (9) and notebook computer displacement portion (7) when closing, control assembly (3) is in off state; When the user with notebook computer displacement portion (7) from notebook computer bottom (9) when opening, control assembly (3) is in channel status.Control assembly (3) can have multiple choices, and existing is that example illustrates its principle with magnet controlled switch: go up in notebook computer displacement portion (7) small magnet is installed, this small magnet is the part of control assembly (3); In notebook computer bottom (9) normally closed dry reed pipe is installed, this is another part of control assembly (3), and two-part installation position is close mutually when mobile phone closes.Be in reset mode in notebook computer displacement portion (7), promptly when notebook computer displacement portion (7) and notebook computer bottom (9) when closing, magnet is near tongue tube, and at this moment control assembly (3) is off state; When notebook computer displacement portion (7) from notebook computer bottom (9) when opening, magnet leaves tongue tube, at this moment control assembly (3) is channel status.Figure 14 is the present embodiment schematic block circuit diagram, as shown in it, control assembly (3) can be selected to be arranged on the line of microphone (8), when notebook computer displacement portion (7) has just been cut off this passage to notebook computer bottom (9) when closing, like this, be connected notebook computer in the internet when standby,, just can not become tapping device by other people remote control as long as notebook computer bottom (9) and notebook computer displacement portion (7) are closed.
Embodiment 8 is designed to the interference source form with control assembly (3).For example after the A/D of Fig. 9 coding (analog signal conversion becomes digital signal) module, add a control assembly (3) that has digital interference source, when logic judgment module (6) detect mobile phone for talking state not with regard to the digital signal generator in the start-up control assembly (3), because the interference code that is sent is externally not open, therefore eavesdropping receiving equipment can't be reduced to the signal that receives former audio signal, so just reaches the anti-eavesdrop purpose.In like manner, also can between the microphone (8) of Fig. 9 and amplification filtering module, add analog interference source control assembly (3), can adopt audio-frequency noise generation module, when not conversing, analog interference source in the control assembly (3) sends noise signal will override the voice signal that is picked up by microphone (8), reach the purpose of anti-eavesdrop.

Claims (8)

1. one kind prevents that mobile communication equipment from being become the method for tapping device by remote control, it is characterized in that: producing with audio signal, transmitting on the passage that is associated and settle control assembly in the mobile communication equipment circuit, make this passage can selected control become a kind of in the following two states, a kind of state is a normality, and the sound around the mobile communication equipment can outwards transmit by mobile communication equipment is normal; Another kind of state is the blocking-up attitude, aforementioned control assembly hinders the operate as normal of its place passage original function, and at this moment, the sound around the mobile communication equipment can not outwards transmit by mobile communication equipment is normal, above-mentioned passage is switched to normality from the blocking-up attitude, must could trigger by mechanical action.
2. the mobile communication equipment that prevents according to claim 1 is become the method for tapping device by remote control, it is characterized in that: when the movable part of mobile communication equipment is in reset mode, passage described in the claim 1 is in the blocking-up attitude, and this passage switches to normality from the blocking-up attitude and must could trigger by the shift motion of communication apparatus another part that the movable part of mobile communication equipment is relatively moved.
3. the mobile communication equipment that prevents according to claim 1 is become the method for tapping device by remote control, it is characterized in that: when mobile communication equipment is in not talking state, passage described in the claim 1 is in the blocking-up attitude, and this passage switches to normality from the blocking-up attitude must be by pressing or could trigger touch, the click action of mobile communication equipment induction screen the mobile communication equipment key button.
4. the mobile communication equipment that prevents according to claim 1 is become the method for tapping device by remote control, it is characterized in that: described mobile communication equipment is digital mobile telephone or notebook computer or palmtop PC or plate type computer or PDA or has digital mobile telephone concurrently and the product of the two function of palmtop PC or have mobile phone concurrently and the product of the two function of PDA.
5. one kind prevents that mobile communication equipment from being become the device of tapping device by remote control, it is characterized in that: producing with audio signal, transmitting on the passage that is associated and settle control assembly in the mobile communication equipment circuit, make this passage can selected control become a kind of in the following two states, a kind of state is a normality, and the sound around the mobile communication equipment can outwards transmit by mobile communication equipment is normal; Another kind of state is the blocking-up attitude, aforementioned control assembly hinders the operate as normal of its place passage original function, and at this moment, the sound around the mobile communication equipment can not outwards transmit by mobile communication equipment is normal, above-mentioned passage is switched to normality from the blocking-up attitude, must could trigger by mechanical action.
6. the mobile communication equipment that prevents according to claim 5 is become the device of tapping device by remote control, it is characterized in that: when the movable part of mobile communication equipment is in reset mode, passage described in the claim 1 is in the blocking-up attitude, and this passage switches to normality from the blocking-up attitude and must could trigger by the shift motion of communication apparatus another part that the movable part of mobile communication equipment is relatively moved.
7. the mobile communication equipment that prevents according to claim 5 is become the device of tapping device by remote control, it is characterized in that: when mobile communication equipment is in not talking state, passage described in the claim 1 is in the blocking-up attitude, and this passage switches to normality from the blocking-up attitude must be by pressing or could trigger touch, the click action of mobile communication equipment induction screen the mobile communication equipment key button.
8. the mobile communication equipment that prevents according to claim 5 is become the device of tapping device by remote control, it is characterized in that: described mobile communication equipment is digital mobile telephone or notebook computer or palmtop PC or plate type computer or PDA or has digital mobile telephone concurrently and the product of the two function of palmtop PC or have mobile phone concurrently and the product of the two function of PDA.
CNA031100236A 2002-12-31 2003-04-06 Method for preventing mobile communication equipment from being remote controlled and become into wiretapper and its device Pending CN1536912A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CNA031100236A CN1536912A (en) 2003-04-06 2003-04-06 Method for preventing mobile communication equipment from being remote controlled and become into wiretapper and its device
PCT/CN2003/001140 WO2004059954A1 (en) 2002-12-31 2003-12-30 Method and means for preventing the mobile communicate device from interceptor by remote control
AU2003292874A AU2003292874A1 (en) 2002-12-31 2003-12-30 Method and means for preventing the mobile communicate device from interceptor by remote control

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNA031100236A CN1536912A (en) 2003-04-06 2003-04-06 Method for preventing mobile communication equipment from being remote controlled and become into wiretapper and its device

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CN1536912A true CN1536912A (en) 2004-10-13

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011150875A1 (en) * 2011-06-14 2011-12-08 华为终端有限公司 Device in mobile communication equipment and mobile communication equipment thereof
CN102685640A (en) * 2012-05-21 2012-09-19 成都立鑫新技术科技有限公司 Anti-secret leakage device for passive sound box
CN102752434A (en) * 2012-05-07 2012-10-24 陈刚 Portable cellphone-interception-resisting voice security device
CN111405452A (en) * 2020-03-20 2020-07-10 杭州涂鸦信息技术有限公司 Method, system and device for detecting mute mode of microphone
CN113395381A (en) * 2021-05-20 2021-09-14 中国航天科工集团第二研究院 Method and system for preventing mobile phone from being controlled in non-call state

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011150875A1 (en) * 2011-06-14 2011-12-08 华为终端有限公司 Device in mobile communication equipment and mobile communication equipment thereof
CN102960047A (en) * 2011-06-14 2013-03-06 华为终端有限公司 Device in mobile communication equipment and mobile communication equipment thereof
CN102752434A (en) * 2012-05-07 2012-10-24 陈刚 Portable cellphone-interception-resisting voice security device
CN102685640A (en) * 2012-05-21 2012-09-19 成都立鑫新技术科技有限公司 Anti-secret leakage device for passive sound box
CN102685640B (en) * 2012-05-21 2015-08-19 成都立鑫新技术科技有限公司 Anti-secret leakage device for passive sound box
CN111405452A (en) * 2020-03-20 2020-07-10 杭州涂鸦信息技术有限公司 Method, system and device for detecting mute mode of microphone
CN111405452B (en) * 2020-03-20 2021-03-09 杭州涂鸦信息技术有限公司 Method, system and device for detecting mute mode of microphone
CN113395381A (en) * 2021-05-20 2021-09-14 中国航天科工集团第二研究院 Method and system for preventing mobile phone from being controlled in non-call state

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