CN106101263A - A kind of based on container scanning detection communication means and system - Google Patents
A kind of based on container scanning detection communication means and system Download PDFInfo
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- CN106101263A CN106101263A CN201610580961.3A CN201610580961A CN106101263A CN 106101263 A CN106101263 A CN 106101263A CN 201610580961 A CN201610580961 A CN 201610580961A CN 106101263 A CN106101263 A CN 106101263A
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- 238000004891 communication Methods 0.000 title claims abstract description 32
- 238000001514 detection method Methods 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 claims abstract description 15
- 230000002159 abnormal effect Effects 0.000 claims description 5
- 230000001133 acceleration Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 8
- 238000012544 monitoring process Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 238000007689 inspection Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000005070 sampling Methods 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- IALWCYFULVHLEC-UHFFFAOYSA-N 4-(octyloxy)benzoic acid Chemical compound CCCCCCCCOC1=CC=C(C(O)=O)C=C1 IALWCYFULVHLEC-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000010247 heart contraction Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/04—Arrangements for maintaining operational condition
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- General Health & Medical Sciences (AREA)
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- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a kind of based on container scanning detection communication means and system, described method includes: scanning device is set up wireless network by least one WAP with control equipment and is connected；Container is scanned by the control signal that scanning device is sent by described wireless network according to control equipment, and by described wireless network, scanning result is sent described control equipment.Described system includes: scanning device and control equipment, wherein said scanning device is set up wireless network by least one WAP with control equipment and is connected；Container is scanned by the control signal that described scanning device is sent by described wireless network according to control equipment; and scanning result is sent described control equipment by described wireless network; achieve and avoid, because of netting twine fracture, loose contact and the shutdown caused, risk out of control, having saved the cost such as cable laying and installation.
Description
Technical field
The present embodiments relate to wireless communication technology field, particularly relate to a kind of based on container scanning detection communication party
Method and system.
Background technology
Van container vehicle inspection equipment is widely used ethernet communication and realizes control, picture signal transmission merit at present
Energy.Owing to this type of container inspection device is not fixed in scanning constant place, need to be circulated movement, the most currently used
Slip or drag chain realize the wired ethernet communication function with key-course.
When using slip to carry out ethernet communication, also exist that slip loose contact, signal transmission quality be poor, circuit paving
If the shortcomings such as relatively costly, laying technology difficulty is bigger.And when using drag chain to carry out ethernet communication, then need to select cost
Higher drag chain Special flexible cable, and drag chain structure is complicated, it is complicated, poor to environmental suitability to lay, and life-time service is deposited
At cable breakage equivalent risk, it is not easy to maintenance.
Summary of the invention
The present invention provides a kind of based on container scanning detection communication means and system, with realize avoiding because of netting twine fracture,
Loose contact and the shutdown caused, risk out of control, save the cost such as cable laying and installation.
First aspect, embodiments provides one and detects communication means based on container scanning, including:
Scanning device is set up wireless network by least one WAP with control equipment and is connected；
Container is scanned by the control signal that scanning device is sent by described wireless network according to control equipment, and
Scanning result is sent described control equipment by described wireless network.
Second aspect, the embodiment of the present invention additionally provides one and detects communication system based on container scanning, including:
Scanning device and control equipment, wherein said scanning device is built with control equipment by least one WAP
Vertical wireless network connects；The control signal that described scanning device is sent by described wireless network according to control equipment is to container
It is scanned, and scanning result is sent described control equipment by described wireless network.
The present invention, by arranging that WAP is set up scanning device and controls the wireless network connection of equipment, replaces wired
Ethernet, and by wireless network transmissions, scanning device is controlled information and the scanning result of scanning device collection, thus
Realize the stable transmission of control signal and scanning result, reduce cable laying difficulty, reduce the purposes such as cost.
Accompanying drawing explanation
A kind of based on container scanning detection communication means the flow chart that Fig. 1 provides for the embodiment of the present invention one；
A kind of based on container scanning detection communication means the network topology structure that Fig. 2 provides for the embodiment of the present invention two
Figure；
Another network topology knot based on container scanning detection communication means that Fig. 3 provides for the embodiment of the present invention two
Composition；
Another network topology knot based on container scanning detection communication means that Fig. 4 provides for the embodiment of the present invention two
Composition；
Fig. 5 is the container scanning detection equipment circular flow in scanning place using network topology structure shown in Fig. 3
The wireless network signal strength schematic diagram of Shi Jilu；
Fig. 6 is the scanning place of the container scanning detection equipment scan round using the network topology structure shown in Fig. 3
Test schematic diagram.
Detailed description of the invention
The present invention is described in further detail with embodiment below in conjunction with the accompanying drawings.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the present invention, rather than limitation of the invention.It also should be noted that, in order to just
Part related to the present invention is illustrate only rather than entire infrastructure in description, accompanying drawing.
Embodiment one
A kind of based on container scanning detection communication means the flow chart that Fig. 1 provides for the embodiment of the present invention one, this reality
Execute example and be applicable to the situation of inspection of containers, specifically include following steps:
S110, scanning device are set up wireless network by least one WAP with control equipment and are connected.
Described scanning device can be such as scanning car, it is also possible to be to include detecting device and the equipment of accelerator, right
Container carries out not OOBA.Concrete, quickly can scan and radioactivity monitoring according to actual application scenarios, it is right to select
Organic substance and/or the identification of inorganic matter.Can also be according to the nothing changing selection varying number of actual application scenarios in this step
The quantity of line access point, thus realize the wireless network signal comprehensive covering to whole scanning place.Described WAP
Position is set and can also distinguish setting according to the structure of concrete container scanning detecting system, such as, can be arranged on scanning
In place, or it is first-class to be arranged on scanning device.
Container is swept by the control signal that S120, scanning device are sent by described wireless network according to control equipment
Retouch, and scanning result is sent described control equipment by described wireless network.
When set up by step S110 scanning device with control equipment wireless network be connected after, described control equipment is permissible
Send control information by described wireless network to described scanning device, scanning device according to the control information that receives to collection
Vanning is scanned, it is thus achieved that scanning result, and then scanning result sends control equipment.
The embodiment of the present invention, by arranging WAP, is set up scanning device and controls the wireless network connection of equipment,
Replace wired ethernet, and by wireless network transmissions, scanning device is controlled the scanning knot of information and scanning device collection
Really, thus realize the stable transmission of control signal and scanning result, reduce cable laying difficulty, reduce the purposes such as cost.
Preferably, the network standard that above-mentioned wireless network connects is IEEE802.11, uses 2.4GHz or 5GHz industry nothing
Gauze network.
Embodiment two
A kind of based on container scanning detection communication means the network topology structure that Fig. 2 provides for the embodiment of the present invention two
Figure, as in figure 2 it is shown, described control device A includes controlling device A1, receiving device A2, switch A 3, and wireless client
A4；Described control device A1 and receive device A2 and be connected with described wireless client A4 by switch A 3 respectively and communicate；Described
Wireless client A4 is connected for setting up wireless network with WAP B1；Described control device A1 is for by described wireless
Network sends control signal to scanning device B；Described reception device A2 sends out for receiving scanning device B by described wireless network
The scanning result sent；Described scanning device B includes WAP B1, switch b 2, and detects device B3 and add quick-mounting
Put B4, described detection device B3 and accelerator B4 and be connected communication by described switch b 2 with described WAP B1.
Above-mentioned network topology structure is applicable to combination moving type container scanning detection equipment.
Another network topology knot based on container scanning detection communication means that Fig. 3 provides for the embodiment of the present invention two
Composition, as it is shown on figure 3, in scanning place, arrange at least one WAP according to scanning field structure, be fixedly mounted on
On the wall in scanning place, wireless network signal is enable to cover whole scanning place.Each device in scanning place is swept
Retouch and wireless client is all installed on equipment.By the way of arranging WAP and wireless client, replace wired ethernet.
Operator manipulate control equipment in control room, send the scanning of scanning device, walking etc. by wireless network and control information,
Also can receive, by wireless network, the scanning result (such as scanogram) that scanning device sends.What Fig. 3 was exemplary arranges 2 nothings
Line access point, respectively WAP C1 and C2)；Described control equipment D includes controlling device D1, receiving device D2, and
Switch D3；Described control device D1 and reception device D2 is connected with WAP C1 and C2 by described switch D3 respectively
Communication；Described control device D1 is for sending control signal by described wireless network to described scanning device E；Described reception fills
Put D2 for receiving, by described wireless network, the scanning result that described scanning device E sends；Described scanning device E includes wireless
Client E1 and scanning car E2；Described wireless client E1 is connected for setting up wireless network with WAP C1 and C2；Institute
State scanning car E and be connected communication with WAP C1 and C2.
On the basis of technique scheme, optionally, in the network topology structure figure shown in Fig. 2 and Fig. 3, described scanning
Equipment also includes that the first programmable logic controller (PLC), described first programmable logic controller (PLC) are configured with WAP and wireless
The general website of client describes GSD file, for described WAP and wireless client being suspended to as remote branch station
In bus, obtain described WAP and the wireless network connection status of wireless client in real time, and at described wireless network
During connection status exception, control described scanning device and stop container being scanned；Wherein, described network connection state is abnormal
Connect broken string including described wireless network and/or described wireless network connects signal intensity less than preset value.Described control device
When being not detected by the heartbeat message of the first programmable logic controller (PLC), export warning message.
Concrete, in the hardware configuration of the first programmable logic controller (PLC), add WAP and wireless client
General website GSD file is described, WAP and wireless client are suspended in bus as remote branch station, call bus
Fault diagnosis block, the wireless network connection status received in output hardware configuration in real time, and then further according to the above-mentioned nothing detected
Line network connection state controls whether described scanning device shuts down.Described control device real-time monitoring the first Programmable logical controller
The heartbeat message of device, when described control equipment cannot detect the heartbeat message of the first programmable logic controller (PLC), illustrates nothing
Gauze network connects abnormal, it may occur however that wireless network connects broken string and/or described wireless network connects signal intensity less than pre-
If value, the most described control device then exports warning message, and prompting user radio network connection occurs in that exception.
When wireless network connects broken string and/or described wireless network connects signal intensity less than preset value, control equipment
Cannot transmit control information by wireless network to scanning device, described scanning device also cannot send scanning knot to controlling equipment
Structure, therefore by monitoring described wireless network connection status, and when described wireless network connection status exception, sweeps described in control
Equipment of retouching stops being scanned container, proceeds to standby mode.
Except above by adding WAP and wireless client in the hardware configuration of the first programmable logic controller (PLC)
The general website of end describes GSD file and realizes when wireless network exception, control scanning device operation outside, the present invention is real
Execute and additionally provide another and realize when wireless network exception, control scanning device the method for operation.
Concrete, described scanning device includes that the first programmable logic controller (PLC), described wireless client also include remotely
Input/output module；Described first programmable logic controller (PLC) monitors whether described remote input output module breaks, and in institute
When stating remote input output module broken string, control described scanning device and stop container being scanned；Described control device exists
When being not detected by the heartbeat message of the first programmable logic controller (PLC), export warning message.
Connect broken string due to the wireless network between WAP and wireless client or wireless network connects signal
When intensity is less than preset value, described first programmable logic controller (PLC) can be immediately detected described remote input output module and break
Line, therefore can judge that described wireless network connects the most different by monitoring whether described remote input output module breaks
Often.
Another network topology knot based on container scanning detection communication means that Fig. 4 provides for the embodiment of the present invention two
Composition, as shown in Figure 4, described control equipment is mobile terminal F；Described scanning device G includes WAP G1, switch
G2, scanning car G3, and receive device G4；Described WAP G1, switch G2 and reception device G4 are positioned at scanning car G3
In, described scanning car G3 and receive device G4 and pass through described switch respectively and be connected with WAP G1 described in G2 and to communicate；Institute
State scanning car inside and outside at least one antenna G5 and G6 that be also respectively provided with, described mobile terminal F by described antenna G5
Or G6 sets up wireless network with described WAP G1 and is connected.Above-mentioned network topology structure is applicable to vehicle-mounted container scanning
Detection equipment.Optionally, described antenna can be omnidirectional antenna.Preferably, described mobile terminal F is provided with touch screen, uses
Described touch screen can realize action control and the condition monitoring function of vehicle-mounted container Scanning Detction equipment, makes outside cancellation car body
Portion's electrical panel is possibly realized.
Optionally, in the network topology structure shown in Fig. 4, described scanning device also includes the first Programmable logical controller
Device, described first programmable logic controller (PLC) is configured with the general website of WAP and mobile terminal and describes GSD file, uses
In described WAP and mobile terminal being suspended in bus as remote branch station, obtain described WAP and shifting in real time
The wireless network connection status of dynamic terminal, and when described wireless network connection status exception, control described scanning device and stop
Container is scanned；Wherein, described network connection state is abnormal includes that described wireless network connects broken string and/or described nothing
Gauze network connects signal intensity less than preset value；Described mobile terminal is being not detected by the heart beating of the first programmable logic controller (PLC)
During information, export warning message, occur in that exception to point out user radio network to connect.When mobile terminal is provided with touch screen
Time, it is possible to realize fault alarm and show and system sudden-stop function etc., can fault alarm information be shown on the touchscreen, and show
Out of order particular location and status information.Operator's carrier mobile terminal occurs point to investigate to fault, confirms at any time
Trouble point state.
Optionally, above-mentioned WAP can also is that wireless router.Above-mentioned wireless client can also replace with nothing
Line router.
On the basis of above-described embodiment, described wireless client supports fast roaming, it is ensured that wireless client is multiple
The situation of broken string will not occur when mutually switching between individual WAP.
The method that the embodiment of the present invention provides, the transmission speed of wireless network can reach 450Mbit/s, make operator
Control information can be sent by wireless network to scanning device, and when there being scanning result to transmit, network service will not be reduced
Quality.
Fig. 5 is the container scanning detection equipment circular flow in scanning place using network topology structure shown in Fig. 3
The wireless network signal strength schematic diagram of Shi Jilu.As it is shown in figure 5, scanning place wireless network signal substantially-69dBm with
On, and stronger wireless of signal can be quickly automatically switched in the region (a1, a2 and a3 region in Fig. 5) of poor signal
On access point, it is ensured that communication will not disconnect.The switching using the WAP of test software records is as shown in table 1:
Table 1
Seeing table 1, the signal sampling period of wireless client is 200ms, when there is fast roaming, and wireless client energy
Enough switchings completed within 1 sampling period between two WAPs, from table 1 physical address of WAP with
And channel changes it is also seen that switched.When not using fast roaming, wireless client wireless connects at two
Switch speed between access point is at about 5s.Switch speed after opening fast roaming, between two WAPs
Within caning be controlled in 500ms.
Fig. 6 is the scanning place of the container scanning detection equipment scan round using the network topology structure shown in Fig. 3
Test schematic diagram.Seeing Fig. 6, scanning place is divided into 6 points, be designated as b1-b6, table 2 records and analyze scanning device to be passed through
Response time during this 6 points, it can be seen that the average response time is 6～8ms, it is possible to meet equipment drawing picture, control signal passes
Defeated use demand.
| B1 point | B2 point | B3 point | B4 point | B5 point | B6 point | |
| Send bag number | 200 | 205 | 200 | 210 | 203 | 204 |
| Receiver packet number | 200 | 205 | 200 | 210 | 202 | 201 |
| Number of dropped packets | 0 | 0 | 0 | 0 | 1 | 3 |
| Packet loss | 0 | 0 | 0 | 0 | 0 | 1% |
| The minimum response time | 4 | 3 | 3 | 4 | 3 | 3 |
| The maximum response time | 22 | 10 | 13 | 31 | 11 | 40 |
| The average response time | 8 | 7 | 6 | 8 | 7 | 8 |
Table 2
Embodiment three
The embodiment of the present invention three provides a kind of and detects communication system based on container scanning, and described system includes: scanning sets
Standby and control equipment, wherein said scanning device is set up wireless network by least one WAP and control equipment and is connected
Connect；Container is scanned by the control signal that described scanning device is sent by described wireless network according to control equipment, and
Scanning result is sent described control equipment by described wireless network.
The network throughput of the present embodiment also this system is tested, and table 3 provides one for using the embodiment of the present invention three
Plant the test result of network throughput based on container scanning detection communication system, see table 3, it can be seen that in transmission
Total throughout during 16384 and 32768 liang of file data bags is all about 25Mbps, the most upwards increases, and shows that this set is without linear system
The handling capacity of system is at about 25Mbps.
Table 3
The embodiment of the present invention, by arranging WAP, is set up scanning device and controls the wireless network connection of equipment,
Replace wired ethernet, and by wireless network transmissions, scanning device is controlled the scanning knot of information and scanning device collection
Really, thus realize the stable transmission of control signal and scanning result, reduce cable laying difficulty, reduce the purposes such as cost.
Optionally, described WAP can also is that wireless router.
Described control equipment can also is that mobile terminal, described mobile terminal are also provided with touch screen.
Preferably, the network standard that above-mentioned wireless network connects is IEEE802.11, uses 2.4GHz or 5GHz industry nothing
Gauze network.
System described in the embodiment of the present invention can perform the method described in the various embodiments described above, have with described method just as
Beneficial effect.
Note, above are only presently preferred embodiments of the present invention and institute's application technology principle.It will be appreciated by those skilled in the art that
The invention is not restricted to specific embodiment described here, can carry out for a person skilled in the art various obvious change,
Readjust and substitute without departing from protection scope of the present invention.Therefore, although by above example, the present invention is carried out
It is described in further detail, but the present invention is not limited only to above example, without departing from the inventive concept, also
Other Equivalent embodiments more can be included, and the scope of the present invention is determined by scope of the appended claims.
Claims (10)
1. one kind is detected communication means based on container scanning, it is characterised in that including:
Scanning device is set up wireless network by least one WAP with control equipment and is connected；
Container is scanned by the control signal that scanning device is sent by described wireless network according to control equipment, and will sweep
Retouch result and send described control equipment by described wireless network.
Method the most according to claim 1, it is characterised in that described control equipment includes controlling device, receiving device, friendship
Change planes, and wireless client；Described control device and reception device are connected with described wireless client by switch respectively
Communication；Described wireless client is connected for setting up wireless network with WAP；Described control device is for by described
Wireless network sends control signal to described scanning device；Described reception device is swept described in being received by described wireless network
Retouch the scanning result that equipment sends；
Described scanning device includes WAP, switch, detection device and accelerator, described detection device and acceleration
Device is connected communication by described switch with described WAP respectively.
Method the most according to claim 1, it is characterised in that at least one WAP described is arranged at scanning place
In；Described control equipment includes controlling device, receiving device, and switch；Described control device and reception device lead to respectively
Cross described switch and be connected communication with at least one WAP described；Described control device is for by described wireless network
Control signal is sent to described scanning device；Described reception device is sent out for receiving described scanning device by described wireless network
The scanning result sent；Described scanning device includes wireless client and scanning car；Described wireless client is used for and wireless access
Point is set up wireless network and is connected；Described scanning car is connected communication with described WAP.
Method the most according to claim 1, it is characterised in that described control equipment is mobile terminal；Described scanning device
Including WAP, switch, scanning car, and receive device；Described WAP, switch and reception device position
In scanning car, described scanning car with receive device and be connected with described WAP by described switch respectively and communicate；Institute
Stating inside and outside at least one antenna that is also respectively provided with of scanning car, described mobile terminal is wireless with described by described antenna
Access point is set up wireless network and is connected.
The most according to the method in claim 2 or 3, it is characterised in that described scanning device also includes the first FPGA
Controller, described first programmable logic controller (PLC) is configured with the general website of WAP and wireless client and describes GSD
File, for described WAP and wireless client are suspended to bus as remote branch station, obtains described wireless in real time
The wireless network connection status of access point and wireless client, and when described wireless network connection status exception, control described
Scanning device stops being scanned container；Wherein, described network connection state is abnormal includes that the connection of described wireless network is disconnected
Line and/or described wireless network connect signal intensity less than preset value；
Described control device, when being not detected by the heartbeat message of the first programmable logic controller (PLC), exports warning message.
The most according to the method in claim 2 or 3, it is characterised in that described scanning device also includes the first FPGA
Controller, described wireless client also includes remote input output module；
Described first programmable logic controller (PLC) monitors whether described remote input output module breaks, and at described remote input
During output module broken string, control described scanning device and stop container being scanned；
Described control device, when being not detected by the heartbeat message of the first programmable logic controller (PLC), exports warning message.
Method the most according to claim 4, it is characterised in that described scanning device also includes the first Programmable logical controller
Device, described first programmable logic controller (PLC) is configured with the general website of WAP and mobile terminal and describes GSD file, uses
In described WAP and mobile terminal being suspended in bus as remote branch station, obtain described WAP and shifting in real time
The wireless network connection status of dynamic terminal, and when described wireless network connection status exception, control described scanning device and stop
Container is scanned；Wherein, described network connection state is abnormal includes that described wireless network connects broken string and/or described nothing
Gauze network connects signal intensity less than preset value；
Described mobile terminal, when being not detected by the heartbeat message of the first programmable logic controller (PLC), exports warning message.
8. according to described method arbitrary in claim 1-4, it is characterised in that described WAP is wireless router.
The most according to the method in claim 2 or 3, it is characterised in that described wireless client is wireless router, described nothing
Line client supports fast roaming.
10. one kind is detected communication system based on container scanning, it is characterised in that including:
Scanning device and control equipment, wherein said scanning device sets up nothing by least one WAP and control equipment
Gauze network connects；Container is carried out by the control signal that described scanning device is sent by described wireless network according to control equipment
Scanning, and scanning result is sent described control equipment by described wireless network.
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| CN201610580961.3A CN106101263B (en) | 2016-07-21 | 2016-07-21 | Container scanning detection communication method and system |
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| CN201610580961.3A CN106101263B (en) | 2016-07-21 | 2016-07-21 | Container scanning detection communication method and system |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1304038A (en) * | 1999-12-17 | 2001-07-18 | 清华大学 | Combined mobile container detection system |
| CN1490616A (en) * | 2002-10-16 | 2004-04-21 | �廪��ѧ | Movable vehicle container checking systems |
| US20050251398A1 (en) * | 2004-05-04 | 2005-11-10 | Lockheed Martin Corporation | Threat scanning with pooled operators |
| US20110098870A1 (en) * | 2008-02-28 | 2011-04-28 | Edward James Morton | Mobile Scanning Systems |
| US20150219785A1 (en) * | 2012-05-21 | 2015-08-06 | Mb Telecom Ltd. | Nonintrusive inspection method and system of cargo type objects: vehicles, container trucks, train carriages |
-
2016
- 2016-07-21 CN CN201610580961.3A patent/CN106101263B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1304038A (en) * | 1999-12-17 | 2001-07-18 | 清华大学 | Combined mobile container detection system |
| CN1490616A (en) * | 2002-10-16 | 2004-04-21 | �廪��ѧ | Movable vehicle container checking systems |
| US20050251398A1 (en) * | 2004-05-04 | 2005-11-10 | Lockheed Martin Corporation | Threat scanning with pooled operators |
| US20110098870A1 (en) * | 2008-02-28 | 2011-04-28 | Edward James Morton | Mobile Scanning Systems |
| US20150219785A1 (en) * | 2012-05-21 | 2015-08-06 | Mb Telecom Ltd. | Nonintrusive inspection method and system of cargo type objects: vehicles, container trucks, train carriages |
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| CN106101263B (en) | 2024-02-13 |
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