CN107155190A - RF steals secret information detecting terminal - Google Patents
RF steals secret information detecting terminal Download PDFInfo
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- CN107155190A CN107155190A CN201610121200.1A CN201610121200A CN107155190A CN 107155190 A CN107155190 A CN 107155190A CN 201610121200 A CN201610121200 A CN 201610121200A CN 107155190 A CN107155190 A CN 107155190A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality parameters
- H04B17/318—Received signal strength
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Abstract
Stolen secret information detecting terminal the invention discloses a kind of RF, the detecting terminal of stealing secret information includes：First detection module, the upward signal of the common frequency band for detecting equipment of stealing secret information；Second detection module, the upward signal of the mobile network for detecting equipment of stealing secret information；First discriminating module, in the case of detecting common frequency band signal in first detection module, the type of common frequency band signal is distinguished according to the modulation system of common frequency band signal.The present invention has widened the frequency range of detecting frequency range by being detected respectively to common frequency band signal and mobile network signals；And the common frequency band signal of detection is made a distinction according to modulation system so that the detection of the up common frequency band signal for equipment of stealing secret information more is refined and precisely.
Description
Technical field
The present invention relates to communication technical field, it particularly relates to a kind of RF (Radio Frequency,
Radio frequency) detecting terminal of stealing secret information.
Background technology
19 beginnings of the century, countries in the world start secret using the wireless technology theft of state secrets of stealing secret information of simulation, military affairs
It is close.With the development of science and technology, technology of stealing secret information is constantly ripe, equipment of stealing secret information is also various informative, and gradually to small
Type, automation development.At the same time, anti-technology of stealing secret information also is arisen at the historic moment, and passes through technological means and detection
Instrument, detects and finds wirelessly to steal secret information, the need for being stolen secret information, keeping secret with adapting to strick precaution.Earliest is hand
Dynamic conciliation receives oriented detection instrument, starts the seventies to use field strength detection techniques, starts the eighties to adopt
Used till today always with sweep frequency technique.
At present, wanting to complete wireless detection of stealing secret information needs many large-scale professional equipments, every kind of equipment can only
One or two detection project (Large-scale professional such as field intensity meter, frequency spectrograph, receiver equipment) is provided, and needs people
The identification of work judges.
With continuing to develop for informationization technology, the acquisition and propagation of information are more and more convenient, and this allows for letter
The security work difficulty of breath constantly increases.Nowadays, the not only country such as national military unit, national R＆D institution
There is the anti-demand stolen secret information in key unit, increasing enterprise needs also exist for preventing the business secret quilt of itself
Illegally steal.With being continuously increased for anti-demand of stealing secret information, higher requirement is also proposed to detection equipment of stealing secret information,
For example, small volume, simple to operate, excellent performance, wide frequency range, precision are high, strongly professional, show
So, the detection technique method in last century can not meet the detection demand of digital Age.
However, wireless eavesdropping international at present is taken on the sly, detector is then mainly using electromagnetism detection techniques to wideband
Radio wave detected, generally only with 1 pull bar wide frequency antenna, specific detecting flow process such as Fig. 1
It is shown, the signal of reception is amplified first, after line sensitivity classification is entered, according to corresponding alarm level
Do not alarmed, next classification display can be carried out based on signal intensity.
At present, can detect the detector of mobile phone upward signal can only also distinguish 2G signals or 3G
Signal, and need in distance signal source in the range of 1 meter (and needing in call), and for every class
Mobile phone signal, can not also specifically distinguish be which network type signal (for example, detecting 2G movement
During network signal, it is impossible to which it is CDAM network signals or GSM network signal to distinguish the signal), more
Signal intensity can not be detected.
For the upward signal of common frequency band, current wireless sensing device, which can only then be detected, recognizes 2.4G's
Signal, but cannot be distinguished by the 2.4G signals is WIFI or Bluetooth signal, and or wireless image-sound signal；
5.8G signals can't be recognized, accordingly, the signal type that also can not judge the 5.8G signals is wireless shadow
Message number or WIFI network；1.2G wireless image-sound signal can not be recognized simultaneously.
The problem of for above-mentioned in correlation technique, effective solution is not yet proposed at present.
The content of the invention
For the above mentioned problem in correlation technique, the present invention proposes that a kind of RF steals secret information detecting terminal, Neng Goutuo
The frequency range of width detecting frequency range；And common frequency band and the upward signal of mobile network can be realized refinement distinguish and
Precisely detection.
The technical proposal of the invention is realized in this way：
The detecting terminal according to an aspect of the invention, there is provided a kind of RF steals secret information.
The RF steal secret information detecting terminal include：
First detection module, the upward signal of the common frequency band for detecting equipment of stealing secret information；
Second detection module, the upward signal of the mobile network for detecting equipment of stealing secret information；
First discriminating module, in the case of detecting common frequency band signal in first detection module, according to
The modulation system of common frequency band signal distinguishes the type of common frequency band signal；
Second discriminating module, in the case of detecting mobile network signals in the second detection module, according to
Frequency range where mobile network signals distinguishes the type of mobile network signals.
The RF steal secret information detecting terminal further comprise：
First adjusting module, the intensity detection sensitivity for the common frequency band signal to different modulating mode is entered
The separate adjustment of row；And/or
Second adjusting module, the intensity detection sensitivity for the mobile network signals to different frequency range carries out phase
Mutually independent adjustment.
Alternatively, the type of the upward signal of above-mentioned common frequency band includes at least one of：WiFi signal,
Bluetooth signal, wireless image-sound signal；
The type of the upward signal of above-mentioned mobile network includes at least one of：2G mobile network signals,
3G mobile network signals, 4G mobile network signals.
In addition, first detection module and/or the second detection module are used in units of dB to equipment of stealing secret information
The intensity of row signal is detected.
Also, according to the present invention RF steal secret information detecting terminal may further include：
First adjusting module, is adjusted for every kind of on the common frequency band that is detected based on dB to first detection module
The intensity detection sensitivity of the upward signal of mode processed carries out independent adjustment respectively；And/or
Second adjusting module, for based on the dB every kind of mobile networks' detected to the second detection module
The intensity detection sensitivity of row signal carries out independent adjustment respectively.
According to the present invention RF steal secret information detecting terminal may further include：3rd detection module, for examining
Survey RF data transfer signals；3rd discriminating module, for based on the RF data transfer signals detected
Time of occurrence, whether determine the RF data transfer signals is signal of stealing secret information.
Furthermore, preset frequency value, and/or RF are reached in the frequency of occurrences of RF data transfer signals
The single duration of data transfer signal reaches scheduled duration, and/or RF data transfer signals in default length
In the case that total duration in the period of degree reaches scheduled duration, the 3rd discriminating module determines exist
The equipment of stealing secret information stolen secret information with RF data transfers.
Further, the 3rd detection module is configured as in the case where detecting fm broadcast signal, is ignored
The fm broadcast signal.
It may further include in addition, being stolen secret information according to the RF of the present invention and detecting terminal：
Configuration module, the intensity detection for detecting the upward signal that terminal-pair reference device is sent according to benchmark
Numerical value, the intensity detection numerical value for the upward signal that detecting terminal-pair of being stolen secret information to RF reference device is sent is carried out
Configuration.
In addition, first detection module and the second detection module carry out upward signal by means respectively of respective antenna
Detection.
It may further include in addition, being stolen secret information according to the RF of the present invention and detecting terminal：
Alarm module, for detect steal secret information equipment transmission common frequency band and/or mobile network it is up
Alarmed in the case of signal, alarm module when being alarmed, the mode of alarm include it is following at least it
One：Audible alarm, light warning, vibration alarming, screen display alarm.
The present invention has widened detecting frequency by being detected respectively to common frequency band signal and mobile network signals
The frequency range of section；In addition, the present invention can make a distinction according to modulation system to the common frequency band signal of detection,
The signal of mobile network can also be made a distinction based on frequency range, so as to the progress to equipment of stealing secret information more
Refine and accurately detect.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to implementing
The accompanying drawing used required in example is briefly described, it should be apparent that, drawings in the following description are only
Some embodiments of the present invention, for those of ordinary skill in the art, are not paying creative work
Under the premise of, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is to be stolen secret information to detect the workflow sketch of terminal according to the RF of correlation technique；
Fig. 2 be RF according to embodiments of the present invention steal secret information detecting terminal block diagram；
Fig. 3 be RF according to embodiments of the present invention steal secret information detecting terminal substantially workflow diagram.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear
Chu, it is fully described by, it is clear that described embodiment is only a part of embodiment of the invention, rather than
Whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art obtained it is all its
His embodiment, belongs to the scope of protection of the invention.
Embodiments in accordance with the present invention are stolen secret information detecting terminal there is provided a kind of RF.
As shown in Fig. 2 RF according to embodiments of the present invention steals secret information, detecting terminal includes：
First detection module 21, the upward signal of the common frequency band for detecting equipment of stealing secret information；
Second detection module 22, the upward signal of the mobile network for detecting equipment of stealing secret information；
First discriminating module 23, in the case of detecting common frequency band signal in first detection module,
The type of common frequency band signal is distinguished according to the modulation system of common frequency band signal；
Second discriminating module 24, in the case of detecting mobile network signals in the second detection module 22,
Frequency range according to where mobile network signals distinguishes the type of mobile network signals.
By the such scheme of the present invention, the wide signal of wider frequency can be detected, and can be in common frequency
Section different types of signal made a distinction according to the modulation system of signal, and for mobile network signal then
It can be made a distinction according to frequency range, so that the detecting to equipment of stealing secret information is more accurate.
Alternatively, the common frequency band signal (example that detection equipment of stealing secret information according to embodiments of the present invention can be distinguished
Such as 2.4G signals, 5.8G signals, 1.2G signals) type may include at least one of：WiFi believes
Number, Bluetooth signal, wireless image-sound signal.
On common frequency band, there are a variety of different types of signals, although the frequency range that these signals are used is identical
(for example, WiFi signal, Bluetooth signal, wireless image-sound signal can use 2.4G), still, these
The modulation system of different types of signal is different, by detecting that the modulation system of signal is identified, with regard to energy
Enough distinguish the unlike signal in similar frequency bands.
In addition, in one embodiment, RF of the invention, which steals secret information, detects the differentiable mobile network of terminal
The type of signal includes at least one of：2G mobile network signals, 3G mobile network signals, 4G are moved
Dynamic network signal.
Because current mobile network signals frequency highest only arrives 4G signals, therefore, in this embodiment only
It is related to 2G, 3G, 4G signal, and with the fast development of the communication technology, if there is higher frequency section
Mobile network signals such as 5G, 6G, then RF of the invention steal secret information detecting terminal remain able to by means of
Second discriminating module 24 and the second detection module 22 are detected and area to the mobile network signals of higher frequency section
Point, its principle is constant.
In an instantiation, RF of the invention steals secret information detecting terminal using multiple kinds cog region
Sub-signal type is specific to detect bandpass filtering and protocol identification technology to judge not using multiband and one-segment
With the signal type of frequency range, for example：, can be according to when the second discriminating module is distinguishing 2G mobile phone signals
Frequency range where signal distinguish the 2G mobile phone signals be 800MHZ frequency ranges CDMA signals still
The GSM signals of 900MHZ frequency ranges；Or 3G mobile signal is UNICOM's frequency range, or cellular band,
And or telecommunications frequency range；Again or 4G cell phone signal is TDD-LTE signals, or TDD-SCDMA
Signal, and or FDD-LTE signals.
In order to realize the accurate detection to signal intensity, it is necessary to which the detection sensitivity to signal intensity is adjusted
It is whole, and in order to avoid in adjustment to unlike signal (whether different frequency range or same frequency range different modulating
The signal of mode) the result of sensitivity adjustment interfere, RF according to embodiments of the present invention, which steals secret information, to be detectd
Separate adjustment can be carried out to the detection sensitivity of unlike signal by surveying terminal.
Specifically, in one embodiment, RF according to embodiments of the present invention steal secret information detecting terminal may be used also
Including：First adjusting module (not shown), the intensity for the common frequency band signal to different modulating mode
Detection sensitivity carries out separate adjustment.Specifically, for WiFi signal, Bluetooth signal or wireless
The intensity detection sensitivity of video-audio signal can be separate adjustment, be independent of each other, detected intensities are independent
Set and calibrate.Moreover, in one embodiment, RF according to embodiments of the present invention steals secret information detecting
Terminal may also include：Second adjusting module (not shown), for the mobile network signals to different frequency range
Intensity detection sensitivity carries out separate adjustment.Specifically, for the strong of 2G, 3G, 4G signal
The adjustment that detection sensitivity can be separate is spent, is independent of each other, detected intensities are independently arranged and calibrated.
In an instantiation, the RF of the embodiment of the present invention, which steals secret information, detects the highest detection sensitivity of terminal
- 80dB is can reach, certainly, the detection sensitivity of unlike signal can be different, and they can be according to actual inspection
Survey result and carry out flexible independent adjustment, so as to obtain accurately testing result.The embodiment of the present invention is stolen secret information
Detection equipment is sensitive by the detection of the various modulation systems of flexible modulation, the upward signal of each different frequency range
Degree, can respectively be detected in mode independent of each other to different signals.So, according to the present invention
When the detection equipment of stealing secret information of embodiment carries out parallel detection to multiple frequency ranges, multiple different types of signals, energy
Enough according to actual scene, the detection sensitivity to unlike signal is adjusted respectively.For example, in an application
In scene, detection equipment of stealing secret information according to embodiments of the present invention can set higher to the detection of Bluetooth signal
Sensitivity, the detection for WiFi signal and mobile phone signal then sets relatively low sensitivity.
In addition, in the related art, the existing wireless sensitivity for eavesdropping detector of taking on the sly is more using knob
Shelves potentiometer regulation, sensitivity indicates 0-10 grades.Type of alarm includes indicator lamp, sound or vibrations.
When by indicator light alarm, the quantity of the stronger bright light of signal is more.When using audible alarm, generally borrow
Help single-tone or monotony frequency speed carrys out signal intensity prompting.When using vibrations alarm, set when signal reaches
Determine to start vibrations during alarming value；Power supply uses AA batteries.Therefore, existing wireless eavesdropping is taken on the sly detector
Can not accurate identification source power level, its detection sensitivity is more more than -50db, less than -50db
Signal be difficult to detect.
For the RF in correlation technique steal secret information detecting terminal-pair detection signal intensity is inaccurate, sensitivity is low
The problem of, in one embodiment, RF according to embodiments of the present invention, which steals secret information, detects the first detection of terminal
Module and/or the second detection module can be in units of dB to the upward signal of equipment of stealing secret information (including above-mentioned public affairs
Frequency band signals and mobile network signals altogether) intensity detected so that the detection for improving signal intensity is accurate
Degree and sensitivity, and reduce the wrong report to signal detection and rate of failing to report.
In a specific example, RF of the invention steal secret information detecting terminal can use 10Mhz-6Ghz
Multistage broadband spectrum detection techniques, the problem of can solve the problem that detecting frequency range；And use multiple widebands and special frequency day
The problem of line solves sensitivity；Wherein, sensitivity is using the progressive regulation of numeral, and dB is regulation unit, is kept away
Exempted from because sensitivity is too high and occur wrong report and because sensitivity is too low and detecting less than signal of stealing secret information
Problem.
Optionally, in order that RF steal secret information detecting terminal-pair signal intensity detection numerical value and actual numerical value
Be consistent, in one embodiment, RF according to embodiments of the present invention steal secret information detecting terminal further comprise matching somebody with somebody
Module (not shown) is put, the signal detection intensity of the detection equipment of stealing secret information for adjusting the present invention.In reality
In, the accurate detection numerical value for the upward signal that basis of reference detecting terminal-pair reference terminal is sent, with regard to energy
Enough by configuration module to the present invention RF steal secret information detecting terminal actually detected value calibrate, so as to carry
The degree of accuracy of high detection.
For example, in actual applications, benchmark detecting terminal can be pre-set near equipment of stealing secret information, its
In, the benchmark detecting terminal detection reference device send upward signal intensity numerical value be it is accurate,
For example, it is assumed that the numerical value of detection is 8.5dB；Then, in the case where not changing the position of reference device,
By the present invention RF steal secret information detecting terminal be placed in the benchmark detecting terminal position at, now, this hair
Bright RF detecting terminals of stealing secret information can also measure a strength values, it is assumed that RF of the invention steals secret information detecting terminal
The signal strength values detected are 8.0dB.Now, can be by according to the present invention's by means of configuration module
The numerical value 8.0dB for the intensity that detecting terminal of RF stealing secret information is detected is revised as the intensity of benchmark detecting terminal detection
Numerical value 8.5dB.After so corrected, RF of the invention detecting terminal of stealing secret information subsequently is carrying out signal
During intensity detection, the result of detection will be accurate.Therefore, by means of configuration module so that according to this hair
The testing result of bright equipment of stealing secret information can be calibrated, so that the accuracy of signal strength detection has been effectively ensured.
In a preferred embodiment, for every kind of different types of signal, first detection module and the second inspection
Surveying module can be detected based on dB, meanwhile, the first adjusting module can be detected based on dB to first
The intensity detection sensitivity difference of the upward signal of every kind of modulation system on the common frequency band that module is detected
Carry out independent adjustment, every kind of shifting that the second adjusting module can be detected based on dB to the second detection module
The intensity detection sensitivity of the upward signal of dynamic network carries out independent adjustment respectively.
In a specific embodiment, first detection module and the second detection module can be in units of 10dB
Intensity detection sensitivity to signal with different type is adjusted, and under each sensitivity setting, range is
10dB.For example, can be by screen display signal intensity, maximum range is 10 lattice, it is assumed that by 2G
The detection sensitivity of signal is set to 40dB, if detection intensity now is 5 lattice, illustrates detection
As a result it is 45dB.If testing result now is full lattice, illustrate that current detection sensitivity is too high,
Sensitivity can now be turned down, then judge whether to be able to detect that exact value.At the same time, for it
His signal (e.g., including at least one of 3G signals, 4G signals, 2.4G WiFi signals, bluetooth
Signal, 2.4G wireless image-sounds signal, 5.8G WiFi signals, 1.2G wireless image-sound signals etc.), equally may be used
Intensity detection sensitivity is independently arranged to respectively refer to aforesaid way, and realizes accurate detection respectively.
It should be noted that listed above is only instantiation, it is not intended to limit the invention, in reality
In the application of border, 5dB or other numerical value can be selected to divide intensity detection sensitivity, it can also be selected
His range.Moreover, in actual applications, RF of the invention steal secret information detecting terminal can also only pin
Adjust sensitivity to the intensity detection of part signal, and for another part signal intensity detection sensitivity then
It is non-adjustable.For example, the first adjusting module can only adjust the intensity detection sensitivity of 2G network signals, and
Detection sensitivity for 4G network signals is then non-adjustable；Or, above-mentioned first adjusting module and second is adjusted
Mould preparation block can select a setting.
In addition, in one embodiment, RF of the invention steals secret information detecting terminal using multiple antennas, multiple
The signal of each Autonomous test corresponding band of antenna.For example, the first detection module of detection mobile network signals can be with
Detected by corresponding antenna, and be used for the second detection module for detecting common frequency band signal, then
It can be detected by corresponding another antenna.So, when being detected, without by single
Antenna covers full frequency band, so as to solve wideband detecting sensitivity problem.In other embodiments, the number of antenna
Amount can be with more, for example, for 2G mobile networks, 3G mobile networks and 4G mobile networks, can
To set corresponding antenna respectively.
Also include in addition, being stolen secret information according to the RF of the present invention and detecting terminal：3rd detection module (not shown),
For detecting RF data transfer signals；3rd discriminating module (not shown), for based on the 3rd detection
The time of occurrence for the RF data transfer signals that module is detected, determine the RF data transfer signals whether be
Steal secret information signal.In one embodiment, RF data transfer signals the frequency of occurrences reach preset frequency value,
And/or the single duration of RF data transfer signals reaches scheduled duration, and/or RF data transfer signals
In the case that total duration within the period of preset length reaches scheduled duration, the 3rd discriminating module is true
It is fixed to there is the equipment of stealing secret information stolen secret information with RF data transfers.
RF data transfer signals be very common signal its frequency generally at 100-500 megahertzs, also have few
Amount equipment reaches 800 megahertzs.In the place that the needs such as meeting room are maintained secrecy, TV, computer
Belong to RF data transfer signals Deng the remote signal transmitted by the remote control of electric equipment.This kind of signal is simultaneously needed
The information content comprising need for confidentiality, so this kind of signal should not be alarmed after being detected.
But, RF data transfer signals can also carry the information of need for confidentiality, and equipment of stealing secret information can be by collection
Sound and/or image are sent out by RF data transfer signals.Whether distinguishing RF data transfer signals
For steal secret information signal when, because the remote signal duration that the equipment such as remote control are sent is shorter, and carry
The RF data transfer signals for having information of stealing secret information can then continue longer time.Therefore, passed based on RF data
The frequency of occurrences and/or duration of defeated signal, it becomes possible to effectively distinguished to RF data transfer signals.
In one alternate embodiment, the 3rd detection module is detected also by corresponding stand-alone antenna
RF data transfer signals.
Further, since the intensity of fm broadcast signal is stronger, so in actually detected signal, the 3rd detection
Module can detect fm broadcast signal, and fm broadcast signal will the detections of other signals produce interference.
Therefore, in order to avoid fm broadcast signal influences the detection of signal of stealing secret information, can by the 3rd detection module and its
Corresponding antenna is configured as in the case where detecting fm broadcast signal, ignores the fm broadcast signal.
For example, above-mentioned module can be configured to ignore 80-110 megahertzs of fm broadcast signal, to avoid
The near frequency band of fm broadcast signal and fm broadcast signal has undesirable effect to signal detection of stealing secret information.
In addition, in one embodiment, RF according to embodiments of the present invention steals secret information detecting terminal also including putting
Big module (not shown), for the equipment of stealing secret information to detection upward signal (i.e. common frequency band signal with/
Or mobile network signals) it is amplified processing.
Furthermore, in one embodiment, RF according to embodiments of the present invention steals secret information detecting terminal also
Including：
Filtration module (not shown), it is (i.e. public for the upward signal to the equipment of stealing secret information after enhanced processing
Frequency band signals and/or mobile network signals) processing is filtered to discharge interference signal.
Optionally, in one embodiment, RF according to embodiments of the present invention steal secret information detecting terminal it is further
Including：
Alarm module (not shown), for detect equipment of stealing secret information upward signal (i.e. common frequency band believe
Number and/or mobile network signals) in the case of alarmed.
It is preferred that, the alarm module is when being alarmed, and the mode of alarm includes at least one of：
Audible alarm, light warning, vibration alarming, screen display alarm (10 grades of signal intensity bar).
In addition, the RF of the embodiment of the present invention steals secret information, detecting terminal also has optical lens detecting function, can
Flicker feux rouges (infrared light) is sent to detect hidden pinhole lens of taking on the sly (equipment of stealing secret information)；Also have
Mobile anti-theft alarm function, alarm tone can be sent after luggage or coating are mobile；And shone with white light torch
Bright function, can be with spotlighting；In addition, also having self-defence alarm function, it can cry for help in times of crisis.
As can be seen from the above embodiments, RF of the invention steal secret information detecting terminal can realize multichannel detection know
Other distribution, and can be to wideband fractional scanning, and filtered, then RF multibands are detected simultaneously,
Realize that RF signal types judge identification, single channel sensitivity is adjustable, sensitivity is by DB standard gradings.Tool
Body, detecting frequency range can be from 10MHZ to 6Ghz, and sensitivity reaches -80db, and adjustment of sensitivity is accurate
1dB is reached, the accuracy of detecting result is improved, wrong report and rate of failing to report is greatly reduced.Quick identification letter
Number type is less than 10cm with precise positioning error, can exclude the Conventional communications such as mobile phone, WIFI, bluetooth
Interference alarm；And the intensity of various types of signal can be controlled comprehensively；Furthermore it is also possible to which synchronous wirelessly stolen
Listen, wirelessly take on the sly, mobile communication net is stolen secret information, wireless network is stolen secret information, and the RF such as divulge a secret steals secret information a variety of items such as divulge a secret
Visual inspection is surveyed, automatic identification, can adapt to the anti-wireless detection needs of stealing secret information in modern network epoch.
In an instantiation, detecting terminal can be easy to use to save a large amount of members using touch key-press manipulation
Device, most functions are then carried out computing with software and realized, and handle each frequency range letter simultaneously using multi-task processor
Number compare and bandpass filtering, improve data-handling efficiency.
In addition, in order to the RF solved in correlation technique steal secret information detecting terminal it is bulky the problem of, another
In one specific example, RF according to embodiments of the present invention steal secret information detecting terminal volume be smaller than
120*65*15mm sizes, are easy to carry as the small professional RF detecting instruments of a volume ratio palm, real
It is strong with property.
In addition, in order to avoid RF steal secret information detecting terminal power-on time it is too short, in one embodiment, this
The RF of inventive embodiments steal secret information detecting terminal there is high-capacity lithium battery work, can recycle with it is standby
More than 10 hours, extend stand-by time, and energy-conserving and environment-protective.
As can be seen here, RF of the invention steal secret information detecting terminal have small volume, function it is complete, strongly professional,
Price is low, full-digital circuit design, the advantage for meeting European Union's electronic product standard；Fill up both at home and abroad
Pocket specialty RF, which steals secret information, detects the blank of terminal, and product specialty degree is strong, and precision is high, and to prevent state
Family's secret, military secret, business secret and individual privacy leakage provide the portable detection instrument of specialty, keep away
Exempted from because detection technique equipment is not professional and caused by the generation that betrays a secret with privacy event；And can realize with
When detect the target of strick precaution everywhere, effectively prevent because divulge a secret and caused by loss.
In addition, Fig. 3, which shows that RF according to embodiments of the present invention steals secret information, detects the brief workflow of terminal,
Specifically：
First, RF, which steals secret information, detects terminal progress RF signal reception collections；Then it is amplified processing；Connect
And be filtered processing；To filtered signal carry out radar recognition so that distinguish mobile phone signal (2G,
3G, 4G), Bluetooth signal, WiFi signal and wireless image-sound signal；So detecting and identifying signal
Afterwards, in order to ensure the precision detected, line sensitivity classification adjustment can be entered, then detection is obtained accurately
Signal intensity result；Then alarmed, it is necessary to carry out the selection of type of alarm, intensity can be carried out here
Bar is shown, vibration alarming, alarm etc..The RF of the embodiment of the present invention steal secret information detecting terminal can be used for
Many application scenarios, for example, can be used for self-defence alarm, burglar alarm, taking on the sly and detect and examination etc. safely.
In summary, by means of the above-mentioned technical proposal of the present invention, by modern various analog signals, number
Word signal carries out detecting positioning signal source, and analyzes concrete signal type, realizes the differentiation of communication network signal,
And exclude the interference signal and stolen secret information source location to lock RF.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in this hair
Within bright spirit and principle, any modification, equivalent substitution and improvements made etc. should be included in this hair
Within bright protection domain.
Claims (11)
- The detecting terminal 1. a kind of RF steals secret information, it is characterised in that including：First detection module, the upward signal of the common frequency band for detecting equipment of stealing secret information；Second detection module, the upward signal of the mobile network for detecting equipment of stealing secret information；First discriminating module, for detecting the common frequency band signal in the first detection module In the case of, the type of the common frequency band signal is distinguished according to the modulation system of the common frequency band signal；Second discriminating module, for detecting the up of the mobile network in second detection module In the case of signal, the frequency range according to where the upward signal of the mobile network distinguishes the mobile network The type of the upward signal of network.
- The detecting terminal 2. RF according to claim 1 steals secret information, it is characterised in that further wrap Include：First adjusting module, the intensity detection for the common frequency band signal to different modulating mode is sensitive Degree carries out separate adjustment；And/orSecond adjusting module, the intensity detection sensitivity for the mobile network signals to different frequency range is entered The separate adjustment of row.
- The detecting terminal 3. RF according to claim 1 steals secret information, it is characterised in thatThe type of the upward signal of the common frequency band includes at least one of：WiFi signal, bluetooth Signal, wireless image-sound signal；The type of the upward signal of the mobile network includes at least one of：2G mobile networks believe Number, 3G mobile network signals, 4G mobile network signals.
- The detecting terminal 4. RF according to claim 1 steals secret information, it is characterised in that described first Detection module and/or second detection module are used in units of dB to the up of the equipment of stealing secret information The intensity of signal is detected.
- The detecting terminal 5. RF according to claim 4 steals secret information, it is characterised in that further wrap Include：First adjusting module, for the common frequency band detected based on dB to the first detection module The intensity detection sensitivity of the upward signal of every kind of modulation system carries out independent adjustment respectively；And/orSecond adjusting module, for the every kind of mobile network detected based on dB to second detection module The intensity detection sensitivity of the upward signal of network carries out independent adjustment respectively.
- The detecting terminal 6. RF according to claim 1 steals secret information, it is characterised in that further wrap Include：3rd detection module, for detecting RF data transfer signals；3rd discriminating module, in the time of occurrence based on the RF data transfer signals detected, really Whether the fixed RF data transfer signals are signal of stealing secret information.
- The detecting terminal 7. RF according to claim 6 steals secret information, it is characterised in that in the RF The frequency of occurrences of data transfer signal reaches preset frequency value, and/or the RF data transfer signals The single duration reach scheduled duration, and/or the RF data transfer signals preset length when Between in the case that total duration in section reaches scheduled duration, the 3rd discriminating module determines exist The equipment of stealing secret information stolen secret information with RF data transfers.
- The detecting terminal 8. RF according to claim 6 steals secret information, it is characterised in that the described 3rd Detection module is configured as in the case where detecting fm broadcast signal, ignores the fm broadcast signal.
- The detecting terminal 9. RF according to claim 1 steals secret information, it is characterised in that further wrap Include：Configuration module, the intensity for detecting the upward signal that terminal-pair reference device is sent according to benchmark Numerical value is detected, the strong of the upward signal of reference device transmission described in detecting terminal-pair of being stolen secret information to the RF Degree detection numerical value is configured.
- The detecting terminal 10. RF according to claim 1 steals secret information, it is characterised in that described first Detection module and second detection module carry out upward signal detection by means respectively of respective antenna.
- The detecting terminal 11. RF according to claim 1 steals secret information, it is characterised in that further wrap Include：Alarm module, for detecting the common frequency band of the equipment transmission of stealing secret information and/or mobile network Upward signal in the case of alarmed, the alarm module is when being alarmed, the mode of alarm Including at least one of：Audible alarm, light warning, vibration alarming, screen display alarm.
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| CN201610121200.1A CN107155190B (en) | 2016-03-04 | 2016-03-04 | RF stealing detecting terminal |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610121200.1A CN107155190B (en) | 2016-03-04 | 2016-03-04 | RF stealing detecting terminal |
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| CN107155190A true CN107155190A (en) | 2017-09-12 |
| CN107155190B CN107155190B (en) | 2020-03-13 |
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| CN201610121200.1A Active CN107155190B (en) | 2016-03-04 | 2016-03-04 | RF stealing detecting terminal |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109672486A (en) * | 2018-12-25 | 2019-04-23 | 宋丽娜 | A kind of automatic counter take on the sly monitors detection device |
| CN111524089A (en) * | 2019-01-17 | 2020-08-11 | 苏州工业园区小步电子科技有限公司 | Pinhole camera detection method and device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030017005A (en) * | 2001-08-23 | 2003-03-03 | 엘지전자 주식회사 | A detector of electronic listening device |
| CN101871970A (en) * | 2010-06-02 | 2010-10-27 | 中兴通讯股份有限公司 | Wireless terminal and signal scanning method thereof |
| CN102158882A (en) * | 2011-05-27 | 2011-08-17 | 重庆邮电大学 | Two-channel data detection and protocol analysis meter based on 6LowPAN and method |
| CN102437886A (en) * | 2011-10-14 | 2012-05-02 | 上海移为通信技术有限公司 | Method for detecting man-made interference |
| CN102780534A (en) * | 2012-07-04 | 2012-11-14 | 中国电子科技集团公司第四十一研究所 | Universal electromagnetic signal automatic searching method |
| CN105075299A (en) * | 2013-03-13 | 2015-11-18 | 高通股份有限公司 | Driver distraction detection and reporting |
-
2016
- 2016-03-04 CN CN201610121200.1A patent/CN107155190B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030017005A (en) * | 2001-08-23 | 2003-03-03 | 엘지전자 주식회사 | A detector of electronic listening device |
| CN101871970A (en) * | 2010-06-02 | 2010-10-27 | 中兴通讯股份有限公司 | Wireless terminal and signal scanning method thereof |
| CN102158882A (en) * | 2011-05-27 | 2011-08-17 | 重庆邮电大学 | Two-channel data detection and protocol analysis meter based on 6LowPAN and method |
| CN102437886A (en) * | 2011-10-14 | 2012-05-02 | 上海移为通信技术有限公司 | Method for detecting man-made interference |
| CN102780534A (en) * | 2012-07-04 | 2012-11-14 | 中国电子科技集团公司第四十一研究所 | Universal electromagnetic signal automatic searching method |
| CN105075299A (en) * | 2013-03-13 | 2015-11-18 | 高通股份有限公司 | Driver distraction detection and reporting |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109672486A (en) * | 2018-12-25 | 2019-04-23 | 宋丽娜 | A kind of automatic counter take on the sly monitors detection device |
| CN111524089A (en) * | 2019-01-17 | 2020-08-11 | 苏州工业园区小步电子科技有限公司 | Pinhole camera detection method and device |
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| CN107155190B (en) | 2020-03-13 |
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