CN106533608A - Wireless signal shielding apparatus, method and system - Google Patents
Wireless signal shielding apparatus, method and system Download PDFInfo
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- CN106533608A CN106533608A CN201611024702.9A CN201611024702A CN106533608A CN 106533608 A CN106533608 A CN 106533608A CN 201611024702 A CN201611024702 A CN 201611024702A CN 106533608 A CN106533608 A CN 106533608A
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- Prior art keywords
- signal
- wireless signal
- terminal
- shielding device
- shielding
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
- H04K3/00—Jamming of communication; Counter-measures
- H04K3/60—Jamming involving special techniques
- H04K3/68—Jamming involving special techniques using passive jamming, e.g. by shielding or reflection
Abstract
The invention discloses a wireless signal shielding apparatus. The wireless signal shielding apparatus comprises a scanning module used for scanning a coverage area corresponding to the wireless signal shielding apparatus on the basis of a built-in sensor; a generation module used for generating shielding signals with preset frequencies on the basis of wireless signals when the wireless signals are detected in the coverage area, wherein the wireless signals are used by a first terminal for controlling a second terminal; an amplification module used for amplifying power corresponding to the shielding signals; and a shielding module used for transmitting the shielding signals after power amplification back to the coverage area so as to shield the wireless signals and prevent the first terminal from controlling the second terminal and generating alarm information based on a preset indication lamp or buzzer. The invention also discloses a wireless signal shielding method and system. According to the invention, the wireless signals are shielded.
Description
Technical field
The present invention relates to communication technical field, more particularly to a kind of radio signal shielding device, method and system.
Background technology
At present, when some specific occasion such as police office are examined to some personnel, individual can typically have been taken over
Mobile phone is examined, if paid, by careful personnel in order to prevent information from being found out, can typically be passed through
Self-contained equipment is sent wireless signal to mobile phone is paid, to change or delete the private information paid in mobile phone, so as to shadow
The result for examining is rung.
The content of the invention
Present invention is primarily targeted at proposing a kind of radio signal shielding device, method and system, it is intended to realize to end
The technical problem shielded by the wireless signal of end transmitting.
For achieving the above object, a kind of radio signal shielding device that the present invention is provided, the radio signal shielding device
Including：
Scan module, for being carried out to the corresponding overlay area of the radio signal shielding device based on built-in sensor
Scanning；
Generation module, for, when scanning is to wireless signal in the overlay area, being produced based on the wireless signal pre-
If the shielded signal of frequency range, wherein, the wireless signal is that first terminal is used for controlling second terminal；
Amplification module, for being amplified to the corresponding power of the shielded signal；
Shroud module, it is for by the shielded signal anti-pass after power amplification to the overlay area, described wireless to shield
Signal, prevents the first terminal from controlling the second terminal, and is based on default display lamp or buzzer generation warning message.
Alternatively, the generation module includes：
Acquisition submodule, for, when scanning is to wireless signal in the overlay area, obtaining the normal signal for prestoring；
Submodule is compared, for the wireless signal for scanning is carried out aspect ratio with the normal signal for obtaining
Right, wherein, the aspect ratio is to including：Frequency range is compared and/or wavelength ratio pair；
Submodule is produced, for when the wireless signal is mismatched with the normal signal, based on the wireless signal
Produce the shielded signal of default frequency range.
Alternatively, the generation submodule includes：
Generation unit, for when the wireless signal is mismatched with the normal signal, based on the wireless signal, with
Pre-set velocity produces the signal for changing from low to high；
Processing unit, for will produce signal as default frequency range shielded signal.
Alternatively, the radio signal shielding device is communicated using same communication protocol with the first terminal.
Additionally, for achieving the above object, the present invention also proposes a kind of radio signal shielding method, the radio signal shielding
Method includes：
Shielding device is scanned to the corresponding overlay area of the shielding device based on built-in sensor；
When scanning is to wireless signal in the overlay area, the shielding letter of default frequency range is produced based on the wireless signal
Number, wherein, the wireless signal is that first terminal is used for controlling second terminal；
The corresponding power of the shielded signal is amplified；
By the shielded signal anti-pass after power amplification to the overlay area, to shield the wireless signal, prevent described
First terminal controls the second terminal, and is based on default display lamp or buzzer generation warning message.
Alternatively, it is described when in the overlay area, scanning is to wireless signal, produced based on the wireless signal default
The step of shielded signal of frequency range, includes：
When scanning is to wireless signal in the overlay area, the shielding device obtains the normal signal for prestoring；
The wireless signal for scanning is carried out into aspect ratio pair with the normal signal for obtaining, wherein, the feature
Comparison includes：Frequency range is compared and/or wavelength ratio pair；
When the wireless signal is mismatched with the normal signal, the screen of default frequency range is produced based on the wireless signal
Cover signal.
Alternatively, it is described when the wireless signal is mismatched with the normal signal, produced based on the wireless signal
The step of shielded signal of default frequency range, includes：
When the wireless signal is mismatched with the normal signal, the shielding device is based on the wireless signal, with
Pre-set velocity produces the signal for changing from low to high；
Using produce signal as default frequency range shielded signal.
Alternatively, the shielding device is communicated using same communication protocol with the first terminal.
Additionally, for achieving the above object, the present invention also proposes a kind of radio signal shielding system, the radio signal shielding
System includes at least one shielding device, the first terminal in the corresponding overlay area of the shielding device and second terminal,
Shielding device radio signal shielding device as described above, the first terminal include：
Generation module, for when the control instruction for second terminal generation is received, being given birth to based on the control instruction
Into for controlling the wireless signal of the second terminal；
Reflecting module, for launching the wireless signal for generating to the second terminal；
Wherein, when the shielding device scanning is to the wireless signal, default frequency range is produced based on the wireless signal
Shielded signal, and shielded signal described in anti-pass prevents the first terminal to the overlay area to shield the wireless signal
The second terminal is controlled, and is based on default display lamp or buzzer generation warning message.
Alternatively, the touch operation that the control instruction is input in the default display interface of the first terminal by user
Or default gesture is produced.
Radio signal shielding device proposed by the present invention, method and system, scan module is first based on built-in sensor pair
The corresponding overlay area of the radio signal shielding device is scanned, when scanning is to wireless signal in the overlay area,
Generation module produces the shielded signal of default frequency range based on the wireless signal, and then the amplification module is to the shielded signal
Corresponding power is amplified, final shroud module by the shielded signal anti-pass after power amplification to the overlay area, to shield
Covert states wireless signal, prevents the first terminal from controlling the second terminal, and is based on default display lamp or buzzer product
Raw warning message, masks wireless signal by shielded signal in this programme, it is therefore prevented that the interference of wireless signal, meanwhile, it is based on
Default display lamp or buzzer produce warning message, enhance the effect of radio signal shielding.
Description of the drawings
Fig. 1 is the hardware architecture diagram for realizing each embodiment one of the invention alternatively shielding device；
The inside principle schematic of Fig. 2 radio signal shielding devices of the present invention；
Fig. 3 is the module diagram of radio signal shielding device first embodiment of the present invention；
Fig. 4 is the refinement module schematic diagram of generation module in Fig. 3；
Fig. 5 is the refinement module schematic diagram of generation submodule in Fig. 4；
Fig. 6 is the schematic flow sheet of radio signal shielding method first embodiment of the present invention；
Fig. 7 for the present invention scanning is to wireless signal in the overlay area when, produced based on the wireless signal default
The refinement schematic flow sheet of the shielded signal of frequency range；
Fig. 8 is the present invention when the wireless signal is mismatched with the normal signal, is produced based on the wireless signal
The refinement schematic flow sheet of the shielded signal of default frequency range；
Fig. 9 is the module diagram of radio signal shielding system preferred embodiment of the present invention；
Figure 10 is the present invention preferably implement scene schematic diagram.
The realization of the object of the invention, functional characteristics and advantage will be explained in conjunction with the embodiments referring to the drawings.
Specific embodiment
It should be appreciated that specific embodiment described herein is not intended to limit the present invention only to explain the present invention.
It should be appreciated that specific embodiment described herein is not intended to limit the present invention only to explain the present invention.
The shielding device of each embodiment of the invention is realized referring now to Description of Drawings.In follow-up description, use
For representing the suffix of such as " module ", " part " or " unit " of element only for being conducive to the explanation of the present invention, itself
Not specific meaning.Therefore, " module " mixedly can be used with " part ".
Shielding device can be implemented in a variety of manners.For example, the terminal described in the present invention can include such as taking down notes
This computer, digit broadcasting receiver, PDA (personal digital assistant), PAD (panel computer), PMP (put by portable multimedia broadcasting
Device), the shielding device of guider etc. and the such as fixed terminal of numeral TV, desk computer etc..However, this area
Technical staff will be appreciated that in addition to the element except being used in particular for moving purpose, construction according to the embodiment of the present invention
Can also apply to the terminal of fixed type.
Fig. 1 is that the hardware configuration of the shielding device for realizing each embodiment of the invention is illustrated.
Shielding device 100 can include wireless communication unit 110, power subsystem 120, controller 130, sensing unit 140,
Output unit 150, memorizer 160, interface unit 170.Fig. 1 shows the shielding device with various assemblies, it should be understood that
Be, it is not required that implement all components for illustrating.More or less of component can alternatively be implemented.Will be explained below retouching
State the element of shielding device.
Wireless communication unit 110 generally includes one or more assemblies, and which allows shielding device 100 and radio communication device
Or the radio communication between network.For example, wireless communication unit can include mobile communication module 111, wireless Internet mould
At least one of block 112, short range communication module 113.
Mobile communication module 111 sends radio signals to base station (for example, access point, node B etc.), exterior terminal
And at least one of server and/or receive from it radio signal.Such radio signal can be logical including voice
Words signal, video calling signal or the various types of data for sending and/or receiving according to text and/or Multimedia Message.
Wireless Internet module 112 supports the Wi-Fi (Wireless Internet Access) of shielding device.The module can be internally or externally
It is couple to terminal.Wi-Fi (Wireless Internet Access) technology involved by the module can including WLAN (WLAN) (Wi-Fi), Wibro
(WiMAX), Wimax (worldwide interoperability for microwave accesses), HSDPA (high-speed downlink packet access) etc..
Short range communication module 113 is the module for supporting junction service.Some examples of short-range communication technology include indigo plant
ToothTM, RF identification (RFID), Infrared Data Association (IrDA), ultra broadband (UWB), purple honeybeeTMEtc..
Power subsystem 120 receives external power or internal power under the control of controller 130 and provides operation each unit
Appropriate electric power needed for part and component.
The overall operation of the generally control shielding device of controller 130,.
Sensing unit 140 detects the current state of shielding device 100, and (for example, shielding device 100 opens or closes shape
State), the position of shielding device 100, user is for the presence or absence of contact (that is, touch input), the shielding device of shielding device 100
100 orientation, the acceleration of shielding device 100 or by speed mobile and direction etc., and generate for controlling shielding device 100
The order of operation or signal.For example, when shielding device 100 is embodied as sliding-type mobile phone, sensing unit 140 can be sensed
The sliding-type phone is opened or is cut out.In addition, sensing unit 140 can detect power subsystem 120 whether provide electric power or
Whether person's interface unit 170 is coupled with external device (ED).140 infrared sensor 141 of sensing unit.
Interface unit 170 is connected the interface that can pass through as at least one external device (ED) with shielding device 100.For example,
External device (ED) can include wired or wireless head-band earphone port, external power source (or battery charger) port, wired or nothing
Line FPDP, memory card port, the port for device of the connection with identification module, audio input/output (I/O) end
Mouth, video i/o port, ear port etc..Identification module can be that storage uses each of shielding device 100 for verifying user
Kind of information and subscriber identification module (UIM), client identification module (SIM), Universal Subscriber identification module (USIM) can be included
Etc..In addition, the device with identification module (hereinafter referred to as " identifying device ") can take the form of smart card, therefore, know
Other device can be connected with shielding device 100 via port or other attachment means.Interface unit 170 can be used for receive from
The input (for example, data message, electric power etc.) of external device (ED) and the input for receiving is transferred in shielding device 100
One or more elements can be used for the transmission data between shielding device and external device (ED).
In addition, when shielding device 100 is connected with external base, interface unit 170 can serve as allowing to pass through which by electricity
Power provides the path of shielding device 100 from base or can serve as allowing from base the various command signals being input into pass through which
It is transferred to the path of shielding device.Can serve as recognizing that shielding device is from the various command signals of base input or electric power
The no signal being accurately fitted within base.Output unit 150 is configured to provide defeated with vision, audio frequency and/or tactile manner
Go out signal (for example, audio signal, video signal, alarm signal, vibration signal etc.).
Output unit 150 is used for launching the shielded signal for producing.The output unit 150 includes display lamp 151, Yi Jifeng
Ring device 152, the display lamp 151, and the buzzer 152 are used to produce warning message.
Memorizer 160 can store software program for the process and control operation performed by controller 130 etc., Huo Zheke
With the data (for example, telephone directory, message, still image, video etc.) for temporarily storing own Jing outputs or will export.And
And, memorizer 160 can be storing the vibration of various modes with regard to exporting when touching and being applied to touch screen and audio signal
Data.
Memorizer 160 can include the storage medium of at least one type, and the storage medium includes flash memory, hard disk, many
Media card, card-type memorizer (for example, SD or DX memorizeies etc.), random access storage device (RAM), static random-access storage
Device (SRAM), read only memory (ROM), Electrically Erasable Read Only Memory (EEPROM), programmable read only memory
(PROM), magnetic storage, disk, CD etc..And, shielding device 100 can perform memorizer with by network connection
The network storage device cooperation of 160 store function.
Various embodiments described herein can be with use such as computer software, hardware or its any combination of calculating
Machine computer-readable recording medium is implementing.For hardware is implemented, embodiment described herein can be by using application-specific IC
(ASIC), digital signal processor (DSP), digital signal processing device (DSPD), programmable logic device (PLD), scene can
Programming gate array (FPGA), processor, controller, microcontroller, microprocessor, it is designed to perform function described herein
At least one in electronic unit implementing, in some cases, can be implemented in controller 130 by such embodiment.
For software is implemented, the embodiment of such as process or function can with allow to perform the single of at least one function or operation
Software module is implementing.Software code can be come by the software application (or program) write with any appropriate programming language
Implement, perform during software code can be stored in memorizer 160 and by controller 130.
Based on the hardware configuration of above-mentioned shielding device, the inner workings figure of shielding device is proposed.
With reference to Fig. 2, Fig. 2 is the inner workings figure of shielding device of the present invention.
As shown in Fig. 2 the shielding device is entered to the corresponding overlay area of the shielding device based on built-in sensor
Row scanning, if scanning is to wireless signal in the overlay area, wherein described wireless signal is that first terminal is produced, with
In control second terminal wireless signal, the shielding device scanning to wireless signal when, by sawtooth generator control
Voltage controlled oscillator, makes voltage controlled oscillator produce the scanning signal of default working frequency range, and scanning signal is equivalent to be shielding letter
Number, each scan period, add a broad pulse equal in each frequency in working frequency range (caused by sawtooth waveforms trace)
With a burst pulse (caused by sawtooth waveforms flyback), after the shielded signal is produced, power amplification is carried out to the shielded signal, so
Afterwards the broad pulse and burst pulse after the shielded signal anti-pass after power amplification to the overlay area, the i.e. power amplification can be broken
The data exchange of mobile phone and base station in overlay area is broken, so, mobile phone does not just receive the data of base station transmission, can only
No signal is shown, therefore cannot just continue to launch wireless signal, it is achieved thereby that the shielding to wireless signal.
The inner workings figure of hardware configuration and shielding device based on above-mentioned shielding device, proposes that the present invention is wireless
Each embodiment of signal shielding device of automobile.
With reference to Fig. 3, Fig. 3 is the module diagram of radio signal shielding device first embodiment of the present invention.
It is emphasized that it will be apparent to those skilled in the art that module map shown in Fig. 3 is only a preferred embodiment
Exemplary plot, the module of radio signal shielding device of the those skilled in the art shown in Fig. 3 can carry out new mould easily
The supplement of block；The title of each module is self-defined title, is only used for aiding in each program for understanding the radio signal shielding device
Functional device, is not used in restriction technical scheme, and the core of technical solution of the present invention is, the module institute of each self-defined title
Function to be reached.
In the present embodiment, the radio signal shielding device includes：
Scan module 10, for being entered to the corresponding overlay area of the radio signal shielding device based on built-in sensor
Row scanning；
In the present embodiment, the radio signal shielding device includes starting module, and the starting module is used for described sweeping
Retouch before module 10 is scanned to the corresponding overlay area of the radio signal shielding device based on built-in sensor, start
The shielding device, and real time scan wireless signal.It should be appreciated that the scan module 10 can be in its corresponding area of coverage
Scan for wireless signals in domain, the overlay area determined by the built-in sensor of the shielding device, the sensor it is sensitive
Degree it is higher, the overlay area that the shielding device can scan wireless signal is bigger, the radio signal shielding device it is sensitive
Spend corresponding concrete numerical value to be configured according to practical situation, do not limit herein.
In the present embodiment, the wireless signal includes：Bluetooth signal, infrared signal.That is, the wireless signal can
Being that Bluetooth signal, or first terminal of the first terminal based on Bluetooth transmission are produced based on infrared sensor and transmitted
Infrared signal, certainly, it is not limited to above two wireless signal.
Further, in the present embodiment, the wireless signal is by first terminal based in the default aobvious of the first terminal
What the touch operation or default gesture for showing user input in interface was generated, i.e., user is input into touch operation or default handss in the terminal
The operation of gesture, such as clicking trigger, slip touch operation, length press touch operation or slip gesture etc., to trigger the product of wireless signal
It is raw.
In the present embodiment, after electricity in start, the scan module 10 can be based on the radio signal shielding device
Built-in sensor is scanned to the corresponding overlay area of the shielding device, and the frequency of scanning could be arranged to sweep in real time
Retouch, it is also possible to be set to timing scan, specific set-up mode is set according to practical situation.
Generation module 20, for, when scanning is to wireless signal in the overlay area, being produced based on the wireless signal
The shielded signal of default frequency range, wherein, the wireless signal is that first terminal is used for controlling second terminal；
In the present embodiment, the scan module 10 is when scanning is to wireless signal in its overlay area, generation module 20
The shielded signal that the wireless signal produces default frequency range can be directly based upon.
Further, the accuracy of wireless signal is shielded to improve the shielding device, and the generation module 20 is concrete
Including：
When scanning is to wireless signal in the overlay area, the normal signal for prestoring is obtained；
The wireless signal for scanning is carried out into aspect ratio pair with the normal signal for obtaining, wherein, the feature
Comparison includes：Frequency range is compared and/or wavelength ratio pair；
When the wireless signal is mismatched with the normal signal, the screen of default frequency range is produced based on the wireless signal
Cover signal.
Amplification module 30, for being amplified to the corresponding power of the shielded signal；
After the generation module 20 produces the shielded signal of default frequency range based on the wireless signal, in order to strengthen this
The emissive porwer of shielded signal, the preferably corresponding power of the shielded signal of the amplification module 30 pairs are amplified so that after
The shielded signal intensity increase that supervention is penetrated, both can ensure that the shield effectiveness to shielded signal was preferable, it is also ensured that the screen
The shielding action for covering equipment generation is covered in region farther out, enhances effect that the shielding device shields wireless signal.
Shroud module 40, for by the shielded signal anti-pass after power amplification to the overlay area, to shield the nothing
Line signal, prevents the first terminal from controlling the second terminal, and is based on default display lamp or buzzer generation alarm signal
Breath.
In the present embodiment, after the amplification module 30 is to the power amplification of shielded signal, shroud module 40 is by power
Shielded signal anti-pass after amplification to the overlay area, to shield the wireless signal of the terminal transmission, it is therefore prevented that described
Second terminal described in one terminal control.Further, the effect of wireless signal, Yi Jiqi is shielded to improve the shielding device
To watchful effect is pointed out, the shroud module 40 can pass through default display lamp or buzzer produces warning message, wherein, institute
State display lamp and be preferably LED light, the buzzer is preferably HD buzzers.
The radio signal shielding device that the present embodiment is proposed, is first filled to the radio signal shielding based on built-in sensor
Put corresponding overlay area to be scanned, when scanning is to wireless signal in the overlay area, produced based on the wireless signal
The shielded signal of raw default frequency range, is then amplified to the corresponding power of the shielded signal, most at last after power amplification
Shielded signal anti-pass prevents the first terminal control described second eventually to the overlay area to shield the wireless signal
End, and default display lamp or buzzer generation warning message is based on, wireless signal is masked by shielded signal in this programme,
The interference of wireless signal is prevented, meanwhile, warning message is produced based on default display lamp or buzzer, wireless signal is enhanced
The effect of shielding.
Further, propose the second embodiment of radio signal shielding device of the present invention.
The second embodiment of radio signal shielding device with the difference of the first embodiment of radio signal shielding device is,
With reference to Fig. 4, the generation module 20 includes：
Acquisition submodule 21, for, when scanning is to wireless signal in the overlay area, obtaining the normal signal for prestoring；
Submodule 22 is compared, for the wireless signal for scanning is carried out aspect ratio with the normal signal for obtaining
Right, wherein, the aspect ratio is to including：Frequency range is compared and/or wavelength ratio pair；
Submodule 23 is produced, for when the wireless signal is mismatched with the normal signal, based on the wireless communication
Number produce the shielded signal of default frequency range.
In the present embodiment, the wireless signal for scanning is compared by the comparison submodule 22 with the normal signal for prestoring
Right, the mode of comparison includes：Frequency range is compared and/or wavelength ratio pair.In the present embodiment, preferably when the wireless signal frequency range with
In the frequency range of the normal signal, when the fragment for repeating accounts for the ratio of total fragment less than the first default ratio such as 80%, it is believed that institute
State wireless signal to mismatch with the normal signal.Or, when the wavelength of wavelength and the normal signal of the wireless signal
In, when the wavelength for repeating accounts for the ratio of total wavelength less than the second default ratio such as 85%, it is believed that the wireless signal is normal with described
Rule signal is mismatched.When the wireless signal is mismatched with the normal signal, the generation submodule 23 is just based on described
Wireless signal produces the shielded signal of default frequency range.It should be appreciated that the numerical value of the described first default ratio and the second default ratio
Arrange as the case may be, do not limit herein.The normal signal is the wireless signal that the shielding device is prestored in advance.
In the present embodiment, the wireless signal for detecting is compared with the normal signal that prestores, only when the wireless signal
When mismatching with the normal signal, the shielded signal of default frequency range is just produced based on the wireless signal, if the wireless communication
Number match with the normal signal, then do not produce the shielded signal of default frequency range, be the equal of in radio signal shielding device institute
Space in, filter out the wireless signal for prestoring before, the only wireless signal to not prestoring is shielded, is prevented to normal
Wireless signal shielded, so as to improve the intelligent of radio signal shielding.
Further, propose the 3rd embodiment of radio signal shielding device of the present invention.
The 3rd embodiment of radio signal shielding device with the difference of the second embodiment of radio signal shielding device is,
With reference to Fig. 5, the generation submodule 23 includes：
Generation unit 231, for when the wireless signal is mismatched with the normal signal, based on the wireless communication
Number, the signal for changing from low to high is produced with pre-set velocity；
Processing unit 232, for will produce signal as default frequency range shielded signal.
In the present embodiment, when the wireless signal is mismatched with the normal signal, produce submodule 23 and be based on institute
State wireless signal and produce shielded signal, the producing method of the shielded signal is：Generation unit 231 is produced from low with pre-set velocity
Frequency to high frequency change signal, final process unit 232 using produce signal as default frequency range shielded signal.The present embodiment
In, the change procedure of the low frequency to high frequency, preferably from the change of 100MHZ-1000MHZ.
It is appreciated that the shielding device is based on the wireless signal, is produced with pre-set velocity and changed from low to high
Signal, and be not only that shielded signal, shielding of the signal for most producing at last as default frequency range are produced with fixed frequency
Signal so that the shield effectiveness of the shielded signal of generation is preferable.
Further, propose the fourth embodiment of radio signal shielding device of the present invention.
The area of the fourth embodiment of radio signal shielding device and the first to the 3rd embodiment of radio signal shielding method
It is not that the radio signal shielding device is communicated using same communication protocol with the first terminal.
In the present embodiment, the wireless signal that the scan module 10 can be reflected to first terminal in overlay area scanning is excellent
The radio signal shielding device is selected to be communicated by same communication protocol with the first terminal, that is to say, that
When the radio signal shielding device is to be communicated by same communication protocol with the first terminal, the radio signal shielding is filled
The wireless signal that can just detect the first terminal transmitting is put, if the radio signal shielding device is not passed through with the first terminal
Same communication protocol is communicated, then the scan module 10 cannot detect the wireless signal of the first terminal transmitting.
Further, it is in order that the scan module 10 is capable of identify that the wireless signal of various different terminals transmittings, excellent
Radio signal shielding device is selected in during terminal production, unified communication protocol is customized by manufacturer, is easy to subsequent wireless signal screen
Cover the wireless signal that device can detect various terminals transmitting.
In the present embodiment, limit the radio signal shielding device same communication protocol is adopted with the first terminal
Communicated so that the radio signal shielding device can only be shielded to the wireless signal that the first terminal is produced, realized
Radio signal shielding device carries out the shielding of wireless signal to special terminal, rather than all of terminal shielded,
Prevent from the normal operation of other terminals being interfered with to the shielding of the signal of all terminals, improve the intelligent of signal shielding.
The present invention also provides a kind of radio signal shielding method.
With reference to Fig. 6, Fig. 6 is the schematic flow sheet of radio signal shielding method first embodiment of the present invention.
In the present embodiment, the radio signal shielding method includes：
Step S10, shielding device are scanned to the corresponding overlay area of the shielding device based on built-in sensor；
In the present embodiment, before step S10, including step：Start the shielding device, and real time scan is wireless
Signal.It should be appreciated that the shielding device can be in scan for wireless signals in its corresponding overlay area, the overlay area
Determine that the sensitivity of the sensor is higher by the built-in sensor of the shielding device, the shielding device can scan nothing
The overlay area of line signal is bigger, and the corresponding concrete numerical value of sensitivity of the shielding device is configured according to practical situation,
Do not limit herein.
In the present embodiment, the wireless signal includes：Bluetooth signal, infrared signal.That is, the wireless signal can
Being that Bluetooth signal, or first terminal of the first terminal based on Bluetooth transmission are produced based on infrared sensor and transmitted
Infrared signal, certainly, it is not limited to above two wireless signal.
In the present embodiment, the wireless signal by first terminal based on user the first terminal default display interface
What the touch operation of middle input or default gesture were generated, i.e., user is input into touch operation or default gesture in the terminal, such as clicks on
Trigger action, slip touch operation, length press touch operation or slip gesture etc., to trigger the generation of wireless signal.
In the present embodiment, the shielding device, can be based on built-in sensor to the shielding after electricity in start
The corresponding overlay area of equipment is scanned, and the frequency of scanning could be arranged to real time scan, it is also possible to be set to timing scan,
Specific set-up mode is set according to practical situation.
Step S20, when scanning is to wireless signal in the overlay area, produces default frequency range based on the wireless signal
Shielded signal, wherein, the wireless signal be first terminal be used for control second terminal；
In the present embodiment, shielding device can be directly based upon described when scanning is to wireless signal in its overlay area
Wireless signal produces the shielded signal of default frequency range.
Further, the accuracy of wireless signal is shielded to improve the shielding device, it is described " in the overlay area
When interior scanning is to wireless signal, the shielded signal of default frequency range is produced based on the wireless signal " the step of specifically include：
When scanning is to wireless signal in the overlay area, the shielding device obtains the normal signal for prestoring；
The wireless signal for scanning is carried out into aspect ratio pair with the normal signal for obtaining, wherein, the feature
Comparison includes：Frequency range is compared and/or wavelength ratio pair；
When the wireless signal is mismatched with the normal signal, the screen of default frequency range is produced based on the wireless signal
Cover signal.
Step S30, is amplified to the corresponding power of the shielded signal；
After the shielding device produces the shielded signal of default frequency range based on the wireless signal, in order to strengthen the screen
The emissive porwer of signal is covered, the corresponding power of shielded signal described in preferred pair is amplified so that the shielded signal of subsequent transmission
Intensity increases, and both can ensure that the shield effectiveness to shielded signal was preferable, it is also ensured that the shielding that the shielding device is produced
Effect is covered in region farther out, enhances effect that the shielding device shields wireless signal.
Step S40, by the shielded signal anti-pass after power amplification to the overlay area, to shield the wireless signal,
Prevent the first terminal from controlling the second terminal, and be based on default display lamp or buzzer generation warning message.
In the present embodiment, after the shielding device is to the power amplification of shielded signal, by the shielding after power amplification
Signal anti-pass to the overlay area, to shield the wireless signal of the terminal transmission, it is therefore prevented that the first terminal controls institute
State second terminal.Further, the effect of wireless signal is shielded to improve the shielding device, and it is watchful to play prompting
Effect, the shielding device can pass through default display lamp or buzzer produces warning message, and wherein, the display lamp is preferably
LED light, the buzzer are preferably HD buzzers.
The radio signal shielding method that the present embodiment is proposed, shielding device is first based on built-in sensor to the wireless communication
Number corresponding overlay area of screening arrangement is scanned, when scanning is to wireless signal in the overlay area, based on the nothing
Line signal produces the shielded signal of default frequency range, and then the corresponding power of the shielded signal is amplified, most power at last
Shielded signal anti-pass after amplification prevents the first terminal control institute to the overlay area to shield the wireless signal
Second terminal is stated, and is based on default display lamp or buzzer generation warning message, masked by shielded signal in this programme
Wireless signal, it is therefore prevented that the interference of wireless signal, meanwhile, warning message is produced based on default display lamp or buzzer, is strengthened
The effect of radio signal shielding.
Further, propose the second embodiment of radio signal shielding method of the present invention.
The second embodiment of radio signal shielding method with the difference of the first embodiment of radio signal shielding method is,
With reference to Fig. 7, step S20 includes：
Step S21, when scanning is to wireless signal in the overlay area, the shielding device obtains the conventional letter for prestoring
Number；
The wireless signal for scanning is carried out aspect ratio pair with the normal signal for obtaining by step S22, wherein,
The aspect ratio is to including：Frequency range is compared and/or wavelength ratio pair；
Step S23, when the wireless signal is mismatched with the normal signal, is produced based on the wireless signal default
The shielded signal of frequency range.
In the present embodiment, the wireless signal for scanning is compared by the shielding device with the normal signal for prestoring,
The mode of comparison includes：Frequency range is compared and/or wavelength ratio pair.In the present embodiment, preferably when frequency range and the institute of the wireless signal
State in the frequency range of normal signal, when the fragment for repeating accounts for the ratio of total fragment less than the first default ratio such as 80%, it is believed that described
Wireless signal is mismatched with the normal signal.Or, when in the wavelength of the wireless signal with the wavelength of the normal signal,
When the wavelength for repeating accounts for the ratio of total wavelength less than the second default ratio such as 85%, it is believed that the wireless signal and the conventional letter
Number mismatch.When the wireless signal is mismatched with the normal signal, the shielding device is just based on the wireless signal
Produce the shielded signal of default frequency range.It should be appreciated that the numerical value of the described first default ratio and the second default ratio is according to concrete
Situation is arranged, and is not limited herein.The normal signal is the wireless signal that the shielding device is prestored in advance.
In the present embodiment, the wireless signal for detecting is compared with the normal signal that prestores, only when the wireless signal
When mismatching with the normal signal, the shielded signal of default frequency range is just produced based on the wireless signal, if the wireless communication
Number match with the normal signal, then do not produce the shielded signal of default frequency range, be the equal of the space being located in shielding device
In, the wireless signal for prestoring before is filtered out, the only wireless signal to not prestoring is shielded, is prevented to normal wireless communication
Number shielded, so as to improve the intelligent of radio signal shielding.
Further, propose the 3rd embodiment of radio signal shielding method of the present invention.
The 3rd embodiment of radio signal shielding method with the difference of the second embodiment of radio signal shielding method is,
With reference to Fig. 8, step S23 includes：
Step S231, when the wireless signal is mismatched with the normal signal, the shielding device is based on the nothing
Line signal, produces the signal for changing from low to high with pre-set velocity；
Step S232, using produce signal as default frequency range shielded signal.
In the present embodiment, when the wireless signal is mismatched with the normal signal, the shielding device is based on institute
State wireless signal and produce shielded signal, the producing method of the shielded signal is：Produced with pre-set velocity and become from low to high
The signal of change, shielded signal of the signal for most producing at last as default frequency range.In the present embodiment, the change of the low frequency to high frequency
Change process, preferably from the change of 100MHZ-1000MHZ.
It is appreciated that the shielding device is based on the wireless signal, is produced with pre-set velocity and changed from low to high
Signal, and be not only that shielded signal, shielding of the signal for most producing at last as default frequency range are produced with fixed frequency
Signal so that the shield effectiveness of the shielded signal of generation is preferable.
Further, propose the fourth embodiment of radio signal shielding method of the present invention.
The area of the fourth embodiment of radio signal shielding method and the first to the 3rd embodiment of radio signal shielding method
It is not that the shielding device is communicated using same communication protocol with the first terminal.
In the present embodiment, shielding device can be in the wireless signal of overlay area scanning to first terminal reflection, the preferably screen
Cover equipment to be communicated by same communication protocol with the first terminal, that is to say, that the shielding device with this
When one terminal is communicated by same communication protocol, the shielding device can just detect the wireless of the first terminal transmitting
Signal, if the shielding device is not to be communicated by same communication protocol with the first terminal, cannot detect this
The wireless signal of one terminal transmission.
Further, in order that shielding device is capable of identify that the wireless signal of various different terminals transmittings, preferably in screen
Equipment is covered with during terminal production, unified communication protocol is customized by manufacturer, is easy to follow-up shielding device detect various terminals
The wireless signal of transmitting.
In the present embodiment, limit the shielding device to be led to using same communication protocol with the first terminal
Letter so that the shielding device can only be shielded to the wireless signal that the first terminal is produced, and realize shielding device to special
The terminal of door carries out the shielding of wireless signal, rather than all of terminal is shielded, and prevents the signal to all terminals
Shield and interfere with the normal operation of other terminals, improve the intelligent of signal shielding.
The present invention also provides a kind of radio signal shielding system.
With reference to Fig. 9, Fig. 9 is the module diagram of radio signal shielding system preferred embodiment of the present invention.
In the present embodiment, the radio signal shielding system include at least one shielding device, in the shielding device
First terminal and second terminal in corresponding overlay area, shielding device radio signal shielding device mentioned above,
The first terminal includes：
Generation module 50, for when the control instruction for second terminal generation is received, based on the control instruction
Generate the wireless signal for controlling the second terminal；
Transmitter module 60, for launching the wireless signal for generating to the second terminal；
Wherein, when the shielding device scanning is to the wireless signal, default frequency range is produced based on the wireless signal
Shielded signal, and shielded signal described in anti-pass prevents the first terminal to the overlay area to shield the wireless signal
The second terminal is controlled, and is based on default display lamp or buzzer generation warning message.
In this embodiment, generation module 50 receive for second terminal produce control instruction when, first based on described
Control instruction generates wireless signal, and wherein, the control instruction is defeated in the default display interface of the first terminal by user
The touch operation for entering or default gesture are produced.After the wireless signal is generated, the institute that the transmitting of the transmitter module 60 is generated
Wireless signal is stated to the second terminal, so that the shielding device is when scanning is to the wireless signal, based on described wireless
Signal produces the shielded signal of default frequency range, and shielded signal described in anti-pass is to the overlay area, to shield the wireless communication
Number, prevent the first terminal from controlling the second terminal, meanwhile, in order to strengthen the shield effectiveness of wireless signal, the shielding
Terminal can also be based on default display lamp or buzzer produces warning message.
The radio signal shielding system proposed in the present embodiment, controls second terminal in first terminal by wireless signal
When, such as control second terminal deletes some data, now, masks the wireless communication that the first terminal is generated by shielding device
Number, it is achieved thereby that the shielding to wireless signal.
For being best understood from this programme, with reference to Figure 10, citing application scenarios are as follows：
Under certain occasion, need to control the gesture operation of user, to prevent user from quickly locking or selling using gesture
Certain operation is ruined or triggers, in case losing the material evidence in cell phone system.
As shown in Figure 10, user stores the data on file such as the picture of a large amount of top secrets, financial statement in second terminal 03,
When be suddenly brought to certain locality to receive examine when, now second terminal 03 is paid up, if now user
Think quickly to delete all information in second terminal 03 by default gesture motion, then first for carrying with it can be passed through
Terminal 02, the such as equipment such as another mobile phone, intelligent watch or Intelligent bracelet, are set up with the second terminal 03 and are wirelessly connected
Connect, to delete the private information in the second terminal 03, deletion mode can be deleted by Bluetooth signal, it is also possible to logical
The sensor signal of range sensor transmission is crossed, or the infrared signal of infrared sensor transmission is deleted.Now, the spy
Determine the shielding device 01 in place to receive Bluetooth signal, be sensor signal or during infrared signal, a shielding letter can be produced
Number, and shielded signal described in anti-pass is into overlay area, i.e. gesture function of the first terminal 02 in the specific region is shielded
Signal is disturbed, it is impossible to normal to use, therefore user can not then carry out gesture operation and be stored with reaching quick second terminal 03 of destroying
The purpose of content, it is ensured that private information is not arbitrarily destroyed, is easy to follow-up examination.
It should be noted that herein, term " including ", "comprising" or its any other variant are intended to non-row
His property is included, so that a series of process, method, article or system including key elements not only include those key elements, and
And also include other key elements being not expressly set out, or also include for this process, method, article or system institute inherently
Key element.In the absence of more restrictions, the key element for being limited by sentence "including a ...", it is not excluded that including being somebody's turn to do
Also there is other identical element in the process of key element, method, article or system.
The embodiments of the present invention are for illustration only, do not represent the quality of embodiment.
The preferred embodiments of the present invention are these are only, the scope of the claims of the present invention is not thereby limited, it is every using this
Equivalent structure or equivalent flow conversion that bright description and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (10)
1. a kind of radio signal shielding device, it is characterised in that the radio signal shielding device includes：
Scan module, for being swept to the corresponding overlay area of the radio signal shielding device based on built-in sensor
Retouch；
Generation module, for, when scanning is to wireless signal in the overlay area, producing default frequency based on the wireless signal
The shielded signal of section, wherein, the wireless signal is that first terminal is used for controlling second terminal；
Amplification module, for being amplified to the corresponding power of the shielded signal；
Shroud module, for by the shielded signal anti-pass after power amplification to the overlay area, to shield the wireless signal,
Prevent the first terminal from controlling the second terminal, and be based on default display lamp or buzzer generation warning message.
2. radio signal shielding device as claimed in claim 1, it is characterised in that the generation module includes：
Acquisition submodule, for, when scanning is to wireless signal in the overlay area, obtaining the normal signal for prestoring；
Submodule is compared, for the wireless signal for scanning is carried out aspect ratio pair with the normal signal for obtaining, its
In, the aspect ratio is to including：Frequency range is compared and/or wavelength ratio pair；
Submodule is produced, for when the wireless signal is mismatched with the normal signal, producing based on the wireless signal
The shielded signal of default frequency range.
3. radio signal shielding device as claimed in claim 2, it is characterised in that the generation submodule includes：
Generation unit, for when the wireless signal is mismatched with the normal signal, based on the wireless signal, with default
Speed produces the signal for changing from low to high；
Processing unit, for will produce signal as default frequency range shielded signal.
4. the radio signal shielding device as described in any one of claim 1-3, it is characterised in that the radio signal shielding dress
Put and communicated using same communication protocol with the first terminal.
5. a kind of radio signal shielding method, it is characterised in that the radio signal shielding method includes：
Shielding device is scanned to the corresponding overlay area of the shielding device based on built-in sensor；
When scanning is to wireless signal in the overlay area, the shielded signal of default frequency range is produced based on the wireless signal,
Wherein, the wireless signal is that first terminal is used for controlling second terminal；
The corresponding power of the shielded signal is amplified；
By the shielded signal anti-pass after power amplification to the overlay area, to shield the wireless signal, described first is prevented
Second terminal described in terminal control, and it is based on default display lamp or buzzer generation warning message.
6. radio signal shielding method as claimed in claim 5, it is characterised in that described scanning in the overlay area is arrived
During wireless signal, producing the step of presetting the shielded signal of frequency range based on the wireless signal includes：
When scanning is to wireless signal in the overlay area, the shielding device obtains the normal signal for prestoring；
The wireless signal for scanning is carried out into aspect ratio pair with the normal signal for obtaining, wherein, the aspect ratio pair
Including：Frequency range is compared and/or wavelength ratio pair；
When the wireless signal is mismatched with the normal signal, the shielding letter of default frequency range is produced based on the wireless signal
Number.
7. radio signal shielding method as claimed in claim 6, it is characterised in that it is described the wireless signal with it is described often
When rule signal is mismatched, producing the step of presetting the shielded signal of frequency range based on the wireless signal includes：
When the wireless signal is mismatched with the normal signal, the shielding device is based on the wireless signal, with default
Speed produces the signal for changing from low to high；
Using produce signal as default frequency range shielded signal.
8. the radio signal shielding method as described in any one of claim 5-7, it is characterised in that the shielding device with it is described
First terminal is communicated using same communication protocol.
9. a kind of radio signal shielding system, it is characterised in that the radio signal shielding system includes that at least one shielding sets
Standby first terminal in the corresponding overlay area of the shielding device and second terminal, the shielding device such as claim
Radio signal shielding device described in any one of 1-4, the first terminal include：
Generation module, for when the control instruction for second terminal generation is received, being generated based on the control instruction and being used
In the wireless signal for controlling the second terminal；
Reflecting module, for launching the wireless signal for generating to the second terminal；
Wherein, when the shielding device scanning is to the wireless signal, the shielding of default frequency range is produced based on the wireless signal
Signal, and shielded signal described in anti-pass is to the overlay area, to shield the wireless signal, prevents the first terminal control
The second terminal, and it is based on default display lamp or buzzer generation warning message.
10. the radio signal shielding system as shown in claim 9, it is characterised in that the control instruction is by user described
The touch operation being input in the default display interface of first terminal or default gesture are produced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201611024702.9A CN106533608A (en) | 2016-11-15 | 2016-11-15 | Wireless signal shielding apparatus, method and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611024702.9A CN106533608A (en) | 2016-11-15 | 2016-11-15 | Wireless signal shielding apparatus, method and system |
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| CN106533608A true CN106533608A (en) | 2017-03-22 |
Family
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| Application Number | Title | Priority Date | Filing Date |
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| CN201611024702.9A Pending CN106533608A (en) | 2016-11-15 | 2016-11-15 | Wireless signal shielding apparatus, method and system |
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| CN112087279A (en) * | 2020-09-21 | 2020-12-15 | 北京创联易讯科技有限公司 | Signal shielding system for prison |
| CN114024649A (en) * | 2021-10-21 | 2022-02-08 | 广州市瀚云信息技术有限公司 | Method and device for starting shielding device |
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| CN200990605Y (en) * | 2006-06-09 | 2007-12-12 | 北京创远汇智科技有限公司 | High precision micro-power cell phone signal interference unit |
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| CN112087279A (en) * | 2020-09-21 | 2020-12-15 | 北京创联易讯科技有限公司 | Signal shielding system for prison |
| CN112087279B (en) * | 2020-09-21 | 2024-02-02 | 北京创联易讯科技有限公司 | Signal shielding system for prison |
| CN114024649A (en) * | 2021-10-21 | 2022-02-08 | 广州市瀚云信息技术有限公司 | Method and device for starting shielding device |
| CN114024649B (en) * | 2021-10-21 | 2024-03-29 | 广州市瀚云信息技术有限公司 | Method and device for starting shielding device |
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