CN205986897U - Radio monitoring equipment - Google Patents
Radio monitoring equipment Download PDFInfo
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- CN205986897U CN205986897U CN201620957640.6U CN201620957640U CN205986897U CN 205986897 U CN205986897 U CN 205986897U CN 201620957640 U CN201620957640 U CN 201620957640U CN 205986897 U CN205986897 U CN 205986897U
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Abstract
The utility model provides a pair of radio monitoring equipment adopts fixedly to prior art's radio monitoring direction -finding equipment, need erect the iron tower when using, and the high requirement of iron tower is greater than most of buildings, has caused the limited inconvenient technical problem who removes etc. Of the higher and monitoring range of cost, the radio monitoring equipment who provides, including monitoring antennae and master control equipment, it can gather radio signal through monitoring antennae, the radio signal that will gather sends to the master control equipment of integrated form, accomplish signal reception by master control equipment, functions such as data processing and monitor information send, this radio monitoring equipment of user's portability is accurate with approximant monitoring method, conveniently seek to the radio signal who monitors, reduce cost has been reached, the technological effect of the rate of accuracy of radio signal monitoring is conveniently carried and improved.
Description
Technical field
This utility model is related to radio equipment field, in particular to a kind of radio monitoring equipment.
Background technology
Radio monitoring and direction-finding, refers to the radio signal in compass of competency be detected, searched for and captured, to collection
The radio signal of capture is analyzed, identifies and monitors, and obtains the technology such as its technical parameter, operating characteristic and radiation position
The activity of information, it is important means and the foundation effectively implementing radio control, is also the important of radio spectrum management
Branch.With the development of China's radio cause, it is becoming tight Radio Spectrum Resource day, radio interference event increases increasingly.
Seem more and more important by radio monitoring and direction-finding come Search and Orientation interference source.
At present, most of radio monitoring and direction-finding equipment, using fixed, need to set up steel tower, steel tower height when using
Require to be more than most of buildings, cause mobile etc. the technical problem of the limited inconvenience of relatively costly and monitoring range.
Utility model content
The purpose of this utility model is to provide a kind of radio monitoring equipment, and it can be wireless by monitoring aerial collection
The signal of telecommunication, the radio signal collecting is sent to the main control device of integrated form, completes signal reception, data by main control device
Process and the functions such as monitoring information transmission, this radio monitoring equipment of user's portability is accurate, square with approximant monitoring method
Just find monitored radio signal, reduces cost, be convenient for carrying and improve the accuracy rate of radio signal monitoring.
Embodiment of the present utility model is realized in：
A kind of radio monitoring equipment, it includes：Monitoring aerial and main control device, described main control device includes signal and receives
Machine, processor and communication unit, described monitoring aerial is connected with the input of described signal receiver, described signal receiver
Outfan is connected with described processor, and described processor is connected with described communication unit.
Preferably, described monitoring aerial includes omnidirectional antenna and direction-finder antenna, and described main control device is also included for changing
The conversion keys of monitoring pattern, described omnidirectional antenna and described direction-finder antenna are all received with described signal by described conversion keys
Machine connects.
Preferably, preamplifier and electronic compass, the outfan of described direction-finder antenna and described electronic compass are also included
Input and the input of described electronic compass be all connected with, the output of the outfan of described electronic compass and described electronic compass
End is all connected with described signal receiver.
Preferably, described omnidirectional antenna is passive discone antenna.
Preferably, described direction-finder antenna is that active annular adds to all antennas.
Preferably, described signal receiver is zero intermediate frequency signals receiver.
Preferably, described receiving terminal includes the electronic equipment with display screen, described electronic equipment and described communication unit
Connect.
Preferably, described communication unit is radio communication unit, described radio communication unit and described processor and described
Receiving terminal is all connected with.
Receiving terminal
Preferably, described electronic compass is three weeks strapdown reluctance type Digital Magnetic Compass.
Preferably, also include sheltering bag, described sheltering in bag is provided with accommodating chamber, described bag side of sheltering is provided with antenna
Cover, described monitoring aerial is arranged in described antenna house, described main control device be arranged at described in shelter in the accommodating chamber of bag.
A kind of radio monitoring equipment that above-mentioned this utility model provides, the radio monitoring and direction-finding for prior art sets
For using fixed, need when using to set up steel tower, steel tower requirement for height is more than most of buildings, causes relatively costly
And mobile etc. the technical problem of the limited inconvenience of monitoring range, the radio monitoring equipment providing, it can be adopted by monitoring aerial
Collection radio signal, the radio signal collecting is sent to the main control device of integrated form, completes signal by main control device and connect
The functions such as receipts, data processing and monitoring information transmission, this radio monitoring equipment of user's portability is with approximant monitoring method
Accurately, easily find monitored radio signal, reached reduces cost, be convenient for carrying and improve radio signal
The technique effect of the accuracy rate of monitoring.
Brief description
In order to be illustrated more clearly that the technical scheme of this utility model embodiment, below will be to use required in embodiment
Accompanying drawing be briefly described it will be appreciated that the following drawings illustrate only some embodiments of the present utility model, therefore should be by
Regard the restriction to scope as, for those of ordinary skill in the art, on the premise of not paying creative work, also may be used
To obtain other related accompanying drawings according to these accompanying drawings.
Fig. 1 is the module frame chart of the radio monitoring equipment that this utility model preferred embodiment provides；
Fig. 2 is the structural representation of the radio monitoring system that this utility model preferred embodiment provides；
Fig. 3 is the structural representation of the omnidirectional antenna of radio monitoring equipment that this utility model preferred embodiment provides；
Fig. 4 is the signal radiation diagram of the omnidirectional antenna of radio monitoring equipment that this utility model preferred embodiment provides；
Fig. 5 is the structural representation of the direction-finder antenna that this utility model preferred embodiment provides.
Reference collects：
Radio monitoring equipment 100；
Monitoring aerial 110, omnidirectional antenna 112, direction-finder antenna 114；
Main control device 120, signal receiver 122, processor 124, communication unit 126；
Radio monitoring system 200；
Receiving terminal 210.
Specific embodiment
Purpose, technical scheme and advantage for making this utility model embodiment are clearer, new below in conjunction with this practicality
Accompanying drawing in type embodiment, is clearly and completely described it is clear that being retouched to the technical scheme in this utility model embodiment
The embodiment stated is a part of embodiment of this utility model, rather than whole embodiments.Generally described in accompanying drawing herein and
The assembly of this utility model embodiment illustrating can be arranged with various different configurations and design.
Therefore, below requirement is not intended to limit to the detailed description of the embodiment of the present utility model providing in the accompanying drawings
The scope of the present utility model of protection, but it is merely representative of selected embodiment of the present utility model.Based in this utility model
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of not making creative work, all
Belong to the scope of this utility model protection.
It should be noted that：Similar label and letter represent similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined in individual accompanying drawing, then do not need it to be defined further and explains in subsequent accompanying drawing.
In description of the present utility model, " " center ", " on ", D score, "left", "right", " perpendicular it should be noted that term
Directly ", the orientation of instruction such as " level ", " interior ", " outward " or position relationship are based on orientation shown in the drawings or position relationship, or
It is the orientation or position relationship usually put when this utility model product uses, be for only for ease of description this utility model and letter
Change description, rather than instruction or the hint device of indication or element must have specific orientation, with specific azimuth configuration and
Operation, therefore it is not intended that to restriction of the present utility model.Additionally, term " first ", " second ", " the 3rd " etc. are only used for area
Divide description, and it is not intended that indicating or hint relative importance.
Additionally, the term such as term " level ", " vertical ", " pendency " is not offered as requiring part abswolute level or pendency, and
It is to be slightly tilted.As " level " only refers to for its direction relatively " vertical " more level, it is not this structure of expression
Must be fully horizontal, but can be slightly tilted.
In addition it is also necessary to explanation in description of the present utility model, unless otherwise clearly defined and limited, term " sets
Put ", should be interpreted broadly " installation ", " being connected ", " connection ", for example, it may be being fixedly connected or being detachably connected,
Or be integrally connected；Can be to be mechanically connected or electrically connect；Can be to be joined directly together it is also possible to pass through intermediary
It is indirectly connected to, can be the connection of two element internals.For the ordinary skill in the art, can be managed with concrete condition
Solve concrete meaning in this utility model for the above-mentioned term.
Refer to Fig. 1 and Fig. 2, Fig. 1 shows a kind of radio monitoring equipment that this utility model preferred embodiment provides
100 module frame chart, Fig. 1 shows that a kind of radio monitoring equipment 100 that this utility model preferred embodiment provides is applied
Radio monitoring system 200 structural representation, described.Described radio monitoring equipment 100 includes：Monitoring aerial 110 He
Main control device 120, described monitoring aerial 110 is connected with described main control device 120.Described radio monitoring system 200 also includes
Receiving terminal 210, described main control device 120 is connected with described receiving terminal 210.
Continuing with referring to Fig. 1, described main control device 120 includes：Signal receiver 122, processor 124 and communication unit
126, described signal receiver 122 is connected with described monitoring aerial 110, the outfan of described signal receiver 122 and described place
Reason device 124 connects, and described processor 124 is connected with described communication unit 126.
Described signal receiver 122 is used for receiving the radio signal of monitoring aerial 110 collection, and by the signal receiving
It is sent to processor 124 after carrying out frequency-conversion processing and carry out data processing.Described signal receiver 122 can connect for zero intermediate frequency signals
Receipts machine 122, further, it is preferable to described signal receiver 122 adopts AD9361 Direct Conversion Receiver.So-called zero intermediate frequency, be
Refer to for signal directly to change to base band by RF, without the modulation-demo-demodulation method of intermediate frequency, eliminating will be wireless when traditional frequency conversion is processed
Signal of telecommunication RF (radio frequency) enters antenna, is converted to IF (intermediate frequency), and the intermediate frequency Modulation being reconverted into base band (I, Q signal) was reconciled
Journey, further reduces signal processing, frequency conversion error etc., and is easy to single-chip integration, reduce equipment volume.Model
The operating frequency of the Direct Conversion Receiver of AD9361 is 20MHz-6200MHz, can receive the radio signal of broad frequency band, will
It carries out data form process, is easy to processor 124 and the radio signal of collection is analyzed.Wider using operating frequency
Signal receiver 122, can receive the radio signal of multiple frequency ranges, and the signal that can be directed to different frequency bands is received and supervises
Survey, select specific signal receiver 122 without the radio signal for special frequency channel, further facilitated user's use.
Described processor 124 can make a kind of IC chip, has the ability of signal processing.Above-mentioned processor
124 can be general processor 124, including central processing unit 124 (Central Processing Unit, abbreviation CPU), net
Network processor 124 (Network Processor, abbreviation NP) etc.；Can also be digital signal processor 124 (DSP), special collection
Circuit (ASIC), ready-made programmable gate array (FPGA) or other PLDs, discrete gate or transistor is become to patrol
Collect device, discrete hardware components.Can realize or execute the disclosed each method in this utility model embodiment, step and patrol
Collect block diagram.General processor 124 can be microprocessor 124 or this processor 124 can also be any conventional processor
124 etc..
The radio signal that described processor 124 receives is analyzed processing, and generates monitoring information, described monitoring information
Can include obtaining time of radio signal, type, content, frequency band, azimuthal coordinates, can also include according to user's present bit
Put or preset the guidance path of the azimuthal coordinates to the radio signal being monitored for the start position, be easy to user according to this
Monitoring information is further to the signal source of the radio signal monitored, accurately to find sending out of the illegal wireless signal of telecommunication
Penetrate position.
Described communication unit 126, its input is connected with processor 124, and outfan is connected with receiving terminal 210, is used for
The monitoring information that receiving processor 124 generates, the monitoring information being received is sent to receiving terminal 210.Described communication unit
126 can include wired communication unit 126 and radio communication unit 126, described radio communication unit 126 can include bluetooth,
The communication devices such as WiFi.Described communication unit 126 is preferably radio communication unit 126, is easy to receiving terminal 210 and master control
Equipment 120 is classified, and is user-friendly to, receives or hides, further increases the Experience Degree of user.
Described receiving terminal 210, the monitoring information that the processor 124 for receiving communication unit 126 transmission generates, it is easy to
User's root accurately searches the transmitting position of radio signal in described monitoring information.Described monitoring information can be text formatting
Information, then the described receiving terminal 210 preferably electronic equipment with display screen, by described electronic equipment and described communication unit
126 connections.The described electronic equipment with display screen can for PC (personal computer, PC), panel computer,
Smart mobile phone, personal digital assistant (personal digital assistant, PDA) etc..Certainly, described receiving terminal 210
Can also be to be stored in the memorizer of above-mentioned electronic equipment in the form of software or firmware (firmware) or be solidificated in institute
State the software function module in the operating system (operating system, OS) of electronic equipment.
Described monitoring aerial 110, for monitoring a range of radio signal.According to monitoring aerial 110 to space
Different directions have different radiation or receiving ability, and according to the difference of directivity, described monitoring aerial 110 can include entirely
To antenna 112 and direction-finder antenna 114.Refer to Fig. 3 and Fig. 4, Fig. 3 shows the omnidirectional antenna that this utility model embodiment provides
112 structural representation, Fig. 4 shows the signal radiation diagram of omnidirectional antenna 112.Described omnidirectional antenna 112, refers in level side
360 ° of all homogeneous radiations are shown as on figure, that is, usually described non-directional, showing on height pattern is by one
The wave beam of fixed width degree, generally lobe width is less, and gain is bigger.Described omnidirectional antenna 112 is general in a communications system
Applicating example is near, and coverage is big, low price, and gain is typically in below 9dB.Described omnidirectional antenna 112 is preferably in level
Direction-free passive discone antenna, its operating frequency is preferably 20MHz-6200MHz, to obtain the radio of broad frequency band
Signal, can gather the radio signal of different frequency bands width with same radio monitoring equipment 100.In order to reduce institute further
The volume stating radio monitoring equipment 100 is easy to hide monitoring, and described omnidirectional antenna 112 is sized to：Base diameter
0.3 meter, highly 0.2 meter.The output impedance of described omnidirectional antenna 112 is set to 50 Ω, interface shape is N-type socket.
Refer to Fig. 5, show the structural representation of the direction-finder antenna 114 that the present embodiment provides.Described direction-finder antenna
114, refer to be the antenna of certain angle range of radiation on water directional diagram.Lobe width is less, and gain is bigger.Direction-finder antenna
114 are generally used for the environment that communication distance is remote, coverage is little, target density is big, frequency efficiency is high in communication system.This
The direction-finder antenna 114 of embodiment, can be for active annular directive in horizontal plane plus to all antennas, and its operating frequency is preferred
For 20MHz-8200MHz, to obtain the radio signal of broad frequency band, can be gathered with same radio monitoring equipment 100
The radio signal of different frequency bands width.Volume in order to reduce described radio monitoring equipment 100 further is easy to hide prison
Survey, described direction-finder antenna 114 is sized to：Long 0.5 meter, wide 0.3 meter, 0.06 meter of thickness.By described direction-finder antenna 114
Output impedance be set to 50 Ω, interface shape be N-type socket.
On the basis of above-described embodiment, conversion keys can also be set up in described main control device, described conversion keys
It is all connected with described omnidirectional antenna and described direction-finder antenna, the other end of described conversion keys is connected with described signal receiver.
Described conversion keys can include keying body and single-pole double-throw switch (SPDT), and described keying body is with described single-pole double-throw switch (SPDT) even
Connect, two connection ends of described single-pole double-throw switch (SPDT) are connected with omnidirectional antenna and direction-finder antenna respectively, so that user passes through to press
Keying body selects the connection end of single-pole double-throw switch (SPDT), and then controls monitoring aerial between omnidirectional's monitoring and directional monitoring pattern
Conversion.
The radio monitoring equipment 100 that above-mentioned this utility model embodiment provides, for the radio monitoring of prior art
Direction-finding equipment, using fixed, needs when using to set up steel tower, steel tower requirement for height is more than most of buildings, causes into
Mobile etc. the technical problem of the limited inconvenience of this higher and monitoring range, the radio monitoring equipment 100 providing, it can be by prison
Observation line 110 gathers radio signal, the radio signal collecting is sent to the main control device 120 of integrated form, by master control
Equipment 120 completes the functions such as signal reception, data processing and monitoring information transmission, the monitoring information of generation is sent whole to receiving
End 210, this radio monitoring equipment 100 of user's portability is accurately, easily found with approximant monitoring method is monitored
Radio signal, reached reduces cost, be convenient for carrying and improve radio signal monitoring accuracy rate technique effect.
The antenna handle of radio signal conversion on the basis of above-described embodiment, can also be increased.Described antenna handle
Preamplifier can be included, described preamplifier is connected with the signal output part of direction-finder antenna 114, preamplifier defeated
Go out end to be connected with signal receiver 122, described preamplifier is used for the faint radio signal collecting direction-finder antenna 114
It is amplified, be easy to the subsequent treatment to ultra-weak electronic signal for the main control device 120.It is preposition that described preamplifier is preferably low noise
Amplifier, so that the noise coefficient of circuit reaches minima, to avoid amplifying noise while amplifying useful signal, affects
Main control device 120 is to the analysis of radio signal and process.
On the basis of above-described embodiment, described main control device 120 can also include electronic compass, described electronic compass
Input is connected with the radio signal output of described direction-finder antenna 114, the outfan of described electronic compass and described signal
Receiver 122 connects, for functions such as navigation and angular surveying.Described electronic compass, can pass as navigation instrument or attitude
Sensor, it has, and energy consumption is low, small volume, lightweight, high precision, Miniaturized the features such as.Obtained by gathering direction-finder antenna 114
Radio signal, monitor the coordinate datas such as the angle of described radio signal, orientation, it is accurately fixed to radio signal to realize
Position.Further, described electronic compass can be preferably three weeks strapdown reluctance type Digital Magnetic Compass, and it has shoulders shake and antidetonation
Property, course precision is higher, has electronic compensation to interference field, is desirably integrated into the advantages of carry out data link in control loop.Institute
State electronic compass and be also used as navigator, provide the user navigation feature.Processor 124 is according to the monitoring aerial being obtained
After the position coordinateses of radio signal of 110 collections, according to the current position coordinateses of user or default initial position co-ordinates,
It is generated to the route that radio signal occurs position, is navigated by described electronic compass, guiding user accurately finds radio
The transmitting position of signal.
On the basis of above-described embodiment, in order to further up to more hidden radio monitoring equipment 100, can be by
Described receiving terminal 210 is preferably bluetooth earphone, described communication unit 126 is set to bluetooth communication unit, realizes bluetooth earphone
Wirelessly hidden connection with main control device 120.It is provided with sound card in described main control device 120, described sound card and described master control
Sound card in equipment 120 connects, and the monitoring information that described sound card is used for generating processor 124 is converted into audio frequency, by bluetooth
Communication unit sends to the bluetooth earphone of user, and user just can listen to the prison play in bluetooth earphone under normally walking line state
Measurement information, to understand relevant parameter and the positional information of radio signal, can also believe according to the Voice Navigation in monitoring information
Breath finds radio signal emission source, further increases user in the convenience using this radio monitoring equipment 100.
Certainly, above-mentioned receiving terminal can include the electronic equipment with display screen and bluetooth earphone, bluetooth ear simultaneously
Machine can receive the speech monitoring information of electronic equipment transmission it is also possible to receive the speech monitoring information that main control device 120 sends,
The equipment that other can meet the reception monitoring information of the present embodiment may be applicable to the present embodiment.
On the basis of above-described embodiment, the present embodiment can also increase shelters bag (not shown), to carry further
High hidden effect.It is provided with accommodating chamber, for described main control device 120 is arranged at described accommodating chamber in described hidden bag
Interior.The described size sheltering bag can also set according to the actual size of main control device 120, is arranged to be available for the knot that user's back of the body is carried on the arm
Structure, facilitates user to carry.The described side sheltering bag is provided with antenna house, by described omnidirectional antenna 112 and described direction finding sky
Line 114 is all integrated in described antenna house, neither impact monitoring aerial 110 radio signal reception, again can well by
Equipment volume is compressed, and equipment is hidden.
In sum, the radio monitoring equipment 100 that this utility model embodiment provides, for the radio of prior art
Monitoring and direction-finding equipment, using fixed, needs when using to set up steel tower, steel tower requirement for height is more than most of buildings, causes
Mobile etc. the technical problem of the limited inconvenience of relatively costly and monitoring range, the radio monitoring equipment 100 providing, it can lead to
Cross monitoring aerial 110 collection radio signal, the radio signal collecting is sent to the main control device 120 of integrated form, by
Main control device 120 completes the functions such as signal receives, data processing and monitoring information send, and the monitoring information of generation is sent to connecing
Receive terminal 210, this radio monitoring equipment of user's portability is accurately, easily found with approximant monitoring method is monitored
Radio signal, reached reduces cost, be convenient for carrying and improve radio signal monitoring accuracy rate technique effect.
Increase low-noise preamplifier in described radio monitoring equipment 100, the small-signal of reception is carried out low
Noise amplifies, and the signal being easy to signal receiver receives the radio signal analysis process operation with processor 124.Set up electronics
Compass, can be accurately positioned the transmitting position of radio signal, and provide the user navigation feature.Setting accommodates described master control and sets
Standby 120 hidden bag, further increases the disguise of this radio monitoring equipment.
The foregoing is only preferred embodiment of the present utility model, be not limited to this utility model, for this
For the technical staff in field, this utility model can have various modifications and variations.All of the present utility model spirit and principle
Within, any modification, equivalent substitution and improvement made etc., should be included within protection domain of the present utility model.
Claims (10)
1. a kind of radio monitoring equipment is it is characterised in that include：Monitoring aerial and main control device, described main control device includes
Signal receiver, processor and the communication unit for sending monitoring information, described monitoring aerial and described signal receiver
Input connects, and the outfan of described signal receiver is connected with described processor, and described processor is with described communication unit even
Connect.
2. radio monitoring equipment according to claim 1 it is characterised in that described monitoring aerial include omnidirectional antenna and
Direction-finder antenna, described main control device also includes the conversion keys for changing monitoring pattern, described omnidirectional antenna and described direction finding
Antenna is all connected with described signal receiver by described conversion keys.
3. radio monitoring equipment according to claim 2 is it is characterised in that also include preamplifier and electronics sieve
Disk, the outfan of described direction-finder antenna is all connected with the input of described electronic compass and the input of described electronic compass, institute
The outfan of the outfan and described electronic compass of stating electronic compass is all connected with described signal receiver.
4. radio monitoring equipment according to claim 2 is it is characterised in that described omnidirectional antenna is passive discone sky
Line.
5. radio monitoring equipment according to claim 2 is it is characterised in that described direction-finder antenna is active annular plus right
All antennas.
6. radio monitoring equipment according to claim 1 is it is characterised in that described signal receiver is zero intermediate frequency signals
Receiver.
7. radio monitoring equipment according to claim 1 is it is characterised in that described main control device is also included for by institute
State the sound card that monitoring information is converted into audio frequency, described sound card is connected with described processor, described sound card passes through described communication unit
Connect.
8. radio monitoring equipment according to claim 1 it is characterised in that described communication unit be bluetooth or
WIFI.
9. radio monitoring equipment according to claim 3 is it is characterised in that described electronic compass is three weeks strapdown magnetic resistance
Formula Digital Magnetic Compass.
10. radio monitoring equipment according to claim 1 is it is characterised in that also include sheltering bag, described shelters in bag
It is provided with accommodating chamber, described bag side of sheltering is provided with antenna house, and described monitoring aerial is arranged in described antenna house, described master control
Equipment is sheltered in the accommodating chamber of bag described in being arranged at.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620957640.6U CN205986897U (en) | 2016-08-26 | 2016-08-26 | Radio monitoring equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620957640.6U CN205986897U (en) | 2016-08-26 | 2016-08-26 | Radio monitoring equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205986897U true CN205986897U (en) | 2017-02-22 |
Family
ID=58037732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201620957640.6U Active CN205986897U (en) | 2016-08-26 | 2016-08-26 | Radio monitoring equipment |
Country Status (1)
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| CN (1) | CN205986897U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106093602A (en) * | 2016-08-26 | 2016-11-09 | 成都华创电科信息技术有限公司 | A kind of radio monitoring system |
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2016
- 2016-08-26 CN CN201620957640.6U patent/CN205986897U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106093602A (en) * | 2016-08-26 | 2016-11-09 | 成都华创电科信息技术有限公司 | A kind of radio monitoring system |
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