CN205749942U - Article detection equipment in footwear - Google Patents
Article detection equipment in footwear Download PDFInfo
- Publication number
- CN205749942U CN205749942U CN201620368106.1U CN201620368106U CN205749942U CN 205749942 U CN205749942 U CN 205749942U CN 201620368106 U CN201620368106 U CN 201620368106U CN 205749942 U CN205749942 U CN 205749942U
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- Prior art keywords
- antenna array
- footwear
- detection equipment
- article detection
- millimeter wave
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- 238000001514 detection method Methods 0.000 title claims abstract description 73
- 238000003384 imaging method Methods 0.000 claims description 27
- 238000012545 processing Methods 0.000 claims description 16
- 230000005540 biological transmission Effects 0.000 claims description 15
- 238000007689 inspection Methods 0.000 abstract description 6
- 230000005855 radiation Effects 0.000 abstract description 4
- 238000013519 translation Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000000605 extraction Methods 0.000 description 3
- 238000003909 pattern recognition Methods 0.000 description 3
- 239000003814 drug Substances 0.000 description 2
- 229940079593 drug Drugs 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 231100000518 lethal Toxicity 0.000 description 1
- 230000001665 lethal effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 230000000192 social effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Abstract
This utility model relates to article detection equipment in a kind of footwear, comprising: for the transmitting antenna array to detection object radiation millimeter-wave signal, and for providing the millimeter wave transmitting branch of described millimeter-wave signal for described transmitting antenna array；For receiving the receiving antenna array of the echo-signal of described detection object, and receive the millimeter wave receiving branch of the echo-signal that described receiving antenna array is received；Also include that rail plate or actuating device, described transmitting antenna array and described receiving antenna array are connected to described rail plate in slip mode, or described actuating device drives described transmitting antenna array and the translation of described receiving antenna array.Use this utility model scheme, it is possible to achieve to the inspection easily and efficiently in detected personnel's footwear, slough its footwear without detected personnel.
Description
Technical field
This utility model relates to safety detection technology field, particularly relates to article detection equipment in a kind of footwear.
Background technology
At present, at the train station, airport, harbour, customs etc. are related to country and the important place of people's life security, all
Must carry out safety detection, the most in recent years, terrorist activities is rampant, overflow of drugs, it has also become social effects of pollution.Crime divides
Son in order to escape inspection, often lethal weapon, explosive and drugs are concealed with or sole in.
Millimeter wave is wavelength electromagnetic wave between microwave and light wave, and its frequency range is 30-300Ghz, it is possible to wear
Thoroughly the blocking and have reflection and the decay of minimum of medicated clothing and some insulators, then, utilizes millimeter-wave technology to carry out human body
Imaging safety check is considered as the method that can effectively substitute or coordinate other safety check means.
At present millimeter wave imaging system generally requires detected personnel and takes off one's shoes inspection, and security staff allows people take off one's shoes face to face and brings
Embarrassment, increases the review time, especially the most inapplicable when stream of people in rush hour.
Utility model content
The purpose of this utility model is to provide article detection equipment in a kind of footwear, it is possible to achieve in detected personnel's footwear
Inspection easily and efficiently, slough its footwear without detected personnel.
The purpose of this utility model is achieved through the following technical solutions:
Article detection equipment in a kind of footwear, including transmitting antenna array, receiving antenna array, millimeter wave transmitting branch and
Millimeter wave receiving branch, also includes rail plate or actuating device；
Described transmitting antenna array and described millimeter wave transmitting branch connect, described receiving antenna array and described millimeter wave
Receiving branch connects；Described transmitting antenna array and described receiving antenna array are connected to described slip in slip mode and lead
Rail, or described transmitting antenna array and described receiving antenna array be fixedly connected on described actuating device.
Above-mentioned scheme of the present utility model uses mm-wave imaging technology, harmless to human body, and easy and simple to handle, fortune
Row low cost, it is often more important that save the safety check time, dissolves safety check and takes off one's shoes the embarrassment brought；Article in footwear of the present utility model
After detection equipment investment uses, transmitting antenna array can be used to radiate millimeter-wave signal, and received by receiving antenna array
Detect the echo-signal of object, and described transmitting antenna array and described receiving antenna array are connected in slip mode described
Rail plate, or described actuating device drives described transmitting antenna array and the translation of described receiving antenna array, and this practicality is newly
In the footwear of type, article detection equipment can be integrated with on-the-spot mm-wave imaging safety check instrument, it is possible to achieve comprehensive efficient scanning
And imaging clearly, so can form the two-dimensional image information of testing staff's footwear according to echo-signal, in judging footwear be
No it is concealed with threat article.
Wherein in an embodiment, described transmitting antenna array includes multiple transmission antenna unit, described reception antenna
Array includes multiple reception antenna unit, described transmission antenna unit and the arrangement of described reception antenna unit interval, can enter one
Step promotes Detection results.
Wherein in an embodiment, described transmitting antenna array and described receiving antenna array prolong the most in the first direction
Stretching, described rail plate or described actuating device extend in a second direction, and described first direction becomes 90 with described second direction
Degree, contributes to improving sweep efficiency.
Wherein in an embodiment, the first voltage controlled oscillator that described millimeter wave transmitting branch includes being sequentially connected with,
One frequency multiplication link and the first broadband filter, to generate the millimeter-wave signal meeting demand.
Wherein in an embodiment, the second voltage controlled oscillator that described millimeter wave receiving branch includes being sequentially connected with,
Two frequency multiplication links, MMIC frequency mixer, low-noise amplifier and the second broadband filter.
Wherein in an embodiment, article detection equipment in above-mentioned footwear, also include wave transparent baffle plate, described wave transparent baffle plate
It is arranged on described transmitting antenna array and the upside of described receiving antenna array, on the one hand can play the described transmitting antenna of protection
Array and the effect of described receiving antenna array, on the other hand can realize the transmission to millimeter-wave signal as far as possible.
Wherein in an embodiment, the frequency band of the millimeter-wave signal that described millimeter wave transmitting branch is provided is 10Ghz-
40Ghz, the output of described millimeter wave transmitting branch is more than 15dBm, for promoting resolution and enough transmissions of imaging
Sole.
Wherein in an embodiment, article detection equipment in above-mentioned footwear, also include driving means；Described driving means
For driving described transmitting antenna array and described receiving antenna array to slide along described rail plate, or it is used for driving described
Actuating device drives described transmitting antenna array and described receiving antenna array to move.
Wherein in an embodiment, article detection equipment in above-mentioned footwear, also include signal acquisition and processing apparatus, described
Signal acquisition and processing apparatus includes signal pickup assembly, pretreatment unit and the imaging processing device being sequentially connected with, and is used for obtaining
Take the image information of detection object.
Wherein in an embodiment, article detection equipment in above-mentioned footwear, also include display device, described display device
It is connected with described signal acquisition and processing apparatus, for showing the image information of detection object.
Accompanying drawing explanation
Fig. 1 be this utility model embodiment one footwear in the composition structural representation one of article detection equipment；
Fig. 2 is the application scenarios schematic diagram of article detection equipment in the footwear in Fig. 1；
Fig. 3 is the transmitting antenna array in Fig. 1 and the signal of the arrangement mode in a receiving antenna array embodiment wherein
Figure；
Fig. 4 is the composition structural representation in the embodiment wherein of the millimeter wave transmitting branch in Fig. 1；
Fig. 5 is the composition structural representation in the embodiment wherein of the millimeter wave receiving branch in Fig. 1；
Fig. 6 be this utility model embodiment one footwear in the composition structural representation two of article detection equipment；
Fig. 7 be this utility model embodiment one footwear in the composition structural representation three of article detection equipment；
Fig. 8 be this utility model embodiment one footwear in the composition structural representation four of article detection equipment；
Fig. 9 be this utility model embodiment one footwear in the composition structural representation five of article detection equipment；
Figure 10 be this utility model embodiment two footwear in the composition structural representation one of article detection equipment；
Figure 11 be this utility model embodiment two footwear in the composition structural representation two of article detection equipment.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples,
This utility model is described in further detail.Should be appreciated that detailed description of the invention described herein is only in order to solve
Release this utility model, do not limit protection domain of the present utility model.
For the ease of understanding scheme of the present utility model, the first principle to active millimeter wave imaging safe examination system
It is briefly described.For active millimeter wave imaging safe examination system, first to human-body emitting signal, and receive back scattering letter
Number, secondly use three-dimensionalreconstruction algorithm imaging, finally do two-dimensional projection in all directions, and two dimensional image is carried out detection and
Identify the detection of danger.Relative to passive imaging system, active imaging system detection speed is fast, not by environment (temperature
Degree, sunlight, ambient radiation source) the plurality of advantages of impact.
Embodiment one
This utility model embodiment one provides article detection equipment in a kind of footwear.Fig. 1 is this utility model embodiment one
The composition structural representation of article detection equipment in footwear, as it is shown in figure 1, article detection equipment includes sending out in the footwear in this embodiment
Penetrate aerial array 101, receiving antenna array 103, millimeter wave transmitting branch 102, millimeter wave receiving branch 104 and rail plate
105；
Transmitting antenna array 101 and millimeter wave transmitting branch 102 connect, and receiving antenna array 103 and millimeter wave receive and prop up
Road 104 connects；Transmitting antenna array 101 and millimeter wave transmitting branch 102 are connected to rail plate 105 in slip mode.
It will be appreciated by those skilled in the art that transmitting antenna array 101 and receiving antenna array 103 are in slip mode even
It is connected to rail plate 105, represents that transmitting antenna array 101 and receiving antenna array 103 can be along the slips of rail plate 105 correspondence
Track slides, and wherein, rail plate 105 is typically fixed.
When specific works, after in the footwear in the present embodiment, article detection equipment uses, it can be pacified with mm-wave imaging
Inspection instrument is integrated, it is achieved to the detection comprehensive efficient scanning of object, it is not necessary to take off one's shoes and can carry out, specifically, as in figure 2 it is shown, tested
Personnel stand on tested region 201, when transmitting antenna array 101 and receiving antenna array 102 move along rail plate 105,
Millimeter wave transmitting branch 102 radiates millimeter-wave signal, millimeter wave receiving branch by transmitting antenna array 101 to detection object
104 receive the echo-signal of described detection object by receiving antenna array 103, and echo-signal is input to mm-wave imaging safety check
Instrument obtains detecting the image of object.The present embodiment scheme uses mm-wave imaging technology, harmless to human body, Er Qiecao
Making easy and imaging clearly, operating cost is low, it is often more important that save the safety check time, dissolves safety check and takes off one's shoes the embarrassment brought.
In this utility model embodiment, as a preferred embodiment of the technical scheme shown in Fig. 1, as it is shown on figure 3, its
Transmitting antenna array 101 includes multiple transmission antenna unit 301, and receiving antenna array 103 includes multiple reception antenna unit
302, transmission antenna unit 301 and reception antenna unit 302 are spaced, such as, as in figure 2 it is shown, include two row's antenna elements,
First of first row is transmission antenna unit 301, and second of first row is reception antenna unit 302, the 3rd of first row
Individual is transmission antenna unit 301, and the 4th of first row is reception antenna unit 302, by that analogy, and first of second row
Being reception antenna unit 302, second of second row is transmission antenna unit 301, and the 3rd of second row is reception antenna list
Unit 302, the 4th of first row is transmission antenna unit 301, by that analogy, but it should be recognized that the row of antenna element
Being not limited to two rows, spaced mode is also not necessarily limited to this, for example, it is also possible to be to include four row's antenna elements, wherein, first row
Being transmission antenna unit 301 with the 3rd row, second row and the 4th row are reception antenna unit 302, or transmission antenna unit
301, reception antenna unit 302 mutually staggers；Use the scheme in the present embodiment, scanning effect can be promoted.
In this utility model embodiment, as a preferred embodiment of the technical scheme shown in Fig. 1, transmitting antenna array
101 and receiving antenna array 103 all extend in a first direction, described rail plate extends in a second direction, described first direction
Become 90 degree with described second direction, use the scheme in the present embodiment, so that transmitting antenna array 101 and receiving antenna array
Row 103 complete the scanning to destination object in the shortest sliding distance, promote detection rates.
Wherein in an embodiment, as shown in Figure 4, millimeter wave transmitting branch 102 includes that be sequentially connected with first is voltage-controlled
Agitator the 401, first frequency multiplication link 402 and the first broadband filter 403, the first voltage controlled oscillator 401, first times here
Frequency link 402 constitutes a millimeter wave local vibration source, can produce and export millimeter-wave signal, specifically, and the first VCO
Device 401 provides fundamental frequency signal for the first frequency multiplication link 402, and fundamental frequency signal becomes broadband millimeter-wave signal after many times frequency multiplication,
This broadband millimeter-wave signal exports after the filter action of the first broadband filter 403.But it should be recognized that millimeter wave is launched
The composition structure of branch road 102 is not limited to the composition structure that the present embodiment provides.
In view of being to be scanned article in footwear, and sole is thicker, to this end, wherein in an embodiment, millimeter wave
Transmitting branch 102 output is more than 15dBm, so that millimeter-wave signal enough transmissions sole, meanwhile, the transmitting of described millimeter wave
The frequency band of the millimeter-wave signal that road is launched is 10Ghz-40Ghz, bandwidth, and the resolution of imaging is preferable, additionally, millimeter wave is launched
The harmonics restraint degree of branch road is preferred more than 25dBc, and wherein, dBm refers to that dBm, Ghz represent GHz, and dBc is harmonics restraint
The unit (decibel) of degree.
Wherein in an embodiment, as it is shown in figure 5, millimeter wave receiving branch 104 includes that be sequentially connected with second is voltage-controlled
Agitator the 501, second frequency multiplication link 502, MMIC frequency mixer 503, low-noise amplifier 504 and the second broadband filter 505,
The echo-signal received, after the process of the millimeter wave receiving branch 104 in the present embodiment scheme, obtains intermediate-freuqncy signal, with
Make in follow-up imaging processing.But it should be recognized that the composition structure of millimeter wave receiving branch 104 is not limited to the present embodiment
The composition structure provided.
Wherein in an embodiment, as shown in Figure 6, article detection equipment in footwear of the present utility model, it is also possible to include
Wave transparent baffle plate 601, wave transparent baffle plate 601 is arranged on transmitting antenna array 101 and the upside of receiving antenna array 102, wave transparent baffle plate
601 1 aspects can play protection transmitting antenna array 101 and receiving antenna array 102 and other associated components not by artificially
The effect damaged, on the other hand can reduce the loss of millimeter-wave signal as far as possible.
Wherein in an embodiment, as it is shown in fig. 7, article detection equipment in footwear of the present utility model, it is also possible to include
Driving means 701；Driving means 701 is used for driving transmitting antenna array 101 and receiving antenna array 102 along rail plate 105
Slide.Specifically, described driving means 701 can include motor, and tested personnel stands on tested region, and motor drives launches sky
Linear array 101 and receiving antenna array 102 along rail plate 105 slide time, the millimeter-wave signal of transmitting antenna array 101 radiation
The shoes penetrating tested personnel arrive tested personnel's foot bottom, return to receiving antenna array through the bottom reflection of tested personnel's foot
102, it is achieved transversal scanning, form two-dimensional image information, to judge to hide threat information.
Wherein in an embodiment, on the basis of any one embodiment above-mentioned, as shown in Figure 8, this utility model
Footwear in article detection equipment, it is also possible to include that signal acquisition and processing apparatus 800, signal acquisition and processing apparatus 800 include successively
Signal pickup assembly 801, pretreatment unit 802 and the imaging processing device 803 connected, wherein, signal pickup assembly 801 is main
It is used for the result to millimeter wave receiving branch 104 and is simulated differential digitalization process；Pretreatment unit 802 is mainly used
In the result of signal pickup assembly 801 is carried out pretreatment computing；Imaging processing device 803 is mainly used in filling pretreatment
The result putting 802 carries out image reconstruction, feature extraction, pattern recognition, image enhaucament, it is thus achieved that the image letter of detection object
Breath；Here, as required, described pretreatment computing can include filtering operation, normalized etc.；Here, image reconstruction,
Feature extraction, pattern recognition, image enhaucament all can realize to use existing mode, do not repeat them here.
Wherein in an embodiment, on the basis of a upper embodiment, as it is shown in figure 9, in footwear of the present utility model
Article detection equipment, it is also possible to display device 901, display device 901 is connected with signal acquisition and processing apparatus 800, is mainly used in
The image information of display detection object.
When specific works, after in the footwear in the present embodiment, article detection equipment uses, at transmitting antenna array 101 with connect
Receive aerial array 103 along rail plate 105 slide time, millimeter wave transmitting branch 102 by transmitting antenna array 102 to detection
Object radiates millimeter-wave signal, and millimeter wave receiving branch 104 receives returning of described detection object by receiving antenna array 103
Ripple signal；Described signal acquisition and processing apparatus result (the intermediate frequency letter such as above to millimeter wave receiving branch 104
Number) it being simulated differential digital process, pretreatment and imaging processing successively, imaging processing described here includes image weight
Structure, feature extraction, pattern recognition, image enhaucament, it is thus achieved that the image information of described detection object, this image information is by display device
801 displays.
Embodiment two
Based on the above embodiments one, this utility model embodiment also provides for article detection equipment in a kind of footwear.Figure 10 is
The composition structural representation of article detection equipment in the footwear of this utility model embodiment two, as shown in Figure 10, in this embodiment
In footwear, article detection equipment includes: include transmitting antenna array 1001, receiving antenna array 1003, millimeter wave transmitting branch
1002/ millimeter wave receiving branch 1004 and actuating device 1005；
Transmitting antenna array 1001 and millimeter wave transmitting branch 1002 connect, and receiving antenna array 1003 and millimeter wave receive
Branch road 1004 connects；Transmitting antenna array 1001 and millimeter wave transmitting branch 1002 are to be fixedly connected on actuating device 1005.
Owing to transmitting antenna array 1001 and millimeter wave transmitting branch 1002 are to be fixedly connected on actuating device 1005, because of
This actuating device 1005 can drive transmitting antenna array 1001 and receiving antenna array 1003 to translate.
When specific works, after in the footwear in the present embodiment, article detection equipment uses, it can be pacified with mm-wave imaging
Inspection instrument is integrated, it is achieved to the detection comprehensive efficient scanning of object, it is not necessary to take off one's shoes and can carry out, specifically, at actuating device 1005
When driving transmitting antenna array 1001 and receiving antenna array 1003 to translate, millimeter wave transmitting branch 1002 passes through launching antenna array
Row 1001 are to detection object radiation millimeter-wave signal, and millimeter wave receiving branch 1004 receives described by receiving antenna array 1003
The echo-signal of detection object, echo-signal is input in mm-wave imaging safety check instrument the image obtaining detecting object.This
Embodiment scheme uses mm-wave imaging technology, harmless to human body, and easy and simple to handle and imaging clearly, operating cost is low,
The more important thing is the saving safety check time, dissolve safety check and take off one's shoes the embarrassment brought.
Wherein in an embodiment, as shown in figure 11, article detection equipment in footwear of the present utility model, it is also possible to include
Driving means 1101；Driving means 1101 is used for driving actuating device 1005 to drive described transmitting antenna array and described reception sky
Linear array moves.
This utility model embodiment two provide footwear in article detection equipment, it is pointed out that: above example for
The description of article detection equipment in footwear, is similar with the description of article detection equipment in the footwear of above-described embodiment one, above-mentioned reality
Execute article detection equipment in other further improved plans are also applied for the footwear of the present embodiment two kinds in example one, and on having
State the beneficial effect of article detection equipment in the footwear in embodiment one, for saving length, repeat no more；Therefore, above to this reality
By the ins and outs not disclosed in article detection equipment in the footwear of new embodiment two offer, refer to above-described embodiment one offer
Footwear in the description of article detection equipment.
Each technical characteristic of embodiment described above can combine arbitrarily, for making description succinct, not to above-mentioned reality
The all possible combination of each technical characteristic executed in example is all described, but, as long as the combination of these technical characteristics is not deposited
In contradiction, all it is considered to be the scope that this specification is recorded.
Embodiment described above only have expressed several embodiments of the present utility model, and it describes more concrete and detailed,
But therefore can not be interpreted as the restriction to utility model patent scope.It should be pointed out that, for the common skill of this area
For art personnel, without departing from the concept of the premise utility, it is also possible to make some deformation and improvement, these broadly fall into
Protection domain of the present utility model.Therefore, the protection domain of this utility model patent should be as the criterion with claims.
Claims (10)
1. article detection equipment in footwear, it is characterised in that include that transmitting antenna array, receiving antenna array, millimeter wave are sent out
Penetrate branch road and millimeter wave receiving branch, also include rail plate or actuating device；
Described transmitting antenna array and described millimeter wave transmitting branch connect, and described receiving antenna array and described millimeter wave receive
Branch road connects；Described transmitting antenna array and described receiving antenna array are connected to described rail plate in slip mode, or
Transmitting antenna array described in person and described receiving antenna array are fixedly connected on described actuating device.
Article detection equipment in footwear the most according to claim 1, it is characterised in that described transmitting antenna array includes multiple
Transmission antenna unit, described receiving antenna array includes multiple reception antenna unit, described transmission antenna unit and described reception
Antenna element interval arranges.
Article detection equipment in footwear the most according to claim 1, it is characterised in that described transmitting antenna array and described connect
Receiving aerial array all to extend in a first direction, described rail plate or described actuating device extend in a second direction, and described the
One direction becomes 90 degree with described second direction.
Article detection equipment in footwear the most according to claim 1, it is characterised in that described millimeter wave transmitting branch includes depending on
First voltage controlled oscillator of secondary connection, the first frequency multiplication link and the first broadband filter.
Article detection equipment in footwear the most according to claim 1, it is characterised in that described millimeter wave receiving branch includes depending on
Second voltage controlled oscillator of secondary connection, the second frequency multiplication link, MMIC frequency mixer, low-noise amplifier and the second wideband filtered
Device.
Article detection equipment in footwear the most according to claim 1, it is characterised in that also include wave transparent baffle plate, described wave transparent
Baffle plate is arranged on described transmitting antenna array and the upside of described receiving antenna array.
Article detection equipment in footwear the most according to claim 1, it is characterised in that described millimeter wave transmitting branch is provided
The frequency band of millimeter-wave signal be 10Ghz-40Ghz, the output of described millimeter wave transmitting branch is more than 15dBm.
Article detection equipment in footwear the most according to claim 1, it is characterised in that also include driving means；
Described driving means is used for driving described transmitting antenna array and described receiving antenna array to slide along described rail plate,
Or it is used for driving described actuating device to drive described transmitting antenna array and described receiving antenna array to move.
9. according to article detection equipment in the footwear one of claim 1 to 8 Suo Shu, it is characterised in that also include at signals collecting
Reason device, described signal acquisition and processing apparatus includes signal pickup assembly, pretreatment unit and the imaging processing being sequentially connected with
Device.
Article detection equipment in footwear the most according to claim 9, it is characterised in that also include display device, described display
Device is connected with described signal acquisition and processing apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620368106.1U CN205749942U (en) | 2016-04-27 | 2016-04-27 | Article detection equipment in footwear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620368106.1U CN205749942U (en) | 2016-04-27 | 2016-04-27 | Article detection equipment in footwear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205749942U true CN205749942U (en) | 2016-11-30 |
Family
ID=57372940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620368106.1U Expired - Fee Related CN205749942U (en) | 2016-04-27 | 2016-04-27 | Article detection equipment in footwear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205749942U (en) |
-
2016
- 2016-04-27 CN CN201620368106.1U patent/CN205749942U/en not_active Expired - Fee Related
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Effective date of registration: 20230616 Address after: 518101 room 404, building 37, chentian Industrial Zone, chentian community, Xixiang street, Bao'an District, Shenzhen, Guangdong Province Patentee after: Shenzhen Huaxun ark Photoelectric Technology Co.,Ltd. Patentee after: SHENZHEN VICTOOTH TERAHERTZ TECHNOLOGY Co.,Ltd. Address before: 518102 west of Shenzhen, Baoan District, Guangdong, Xixiang, Xixiang, thirty-seventh, 1 and 2 floors of the industrial estate, Patentee before: CHINA COMMUNICATION TECHNOLOGY Co.,Ltd. Patentee before: SHENZHEN VICTOOTH TERAHERTZ TECHNOLOGY Co.,Ltd. |
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