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38results about How to "Quickly find out" patented technology
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Method for providing location and promotional information associated with a building complex
InactiveUS20090112473A1Lower capital expenditureImprove efficiencyOther databases browsing/visualisationMarketingComputer science
Owner:LU HUNG SUNG +1
Method for achieving data security communication by applying blockchain encryption technology
PendingCN111654364AAchieve deliveryAchieve sharingDatabase management systemsData stream serial/continuous modificationData transmissionInteraction device
The invention discloses a method for achieving data security communication by applying a blockchain encryption technology, and relates to the technical field of data encryption. According to the invention, a secure communication system comprising a data layer, a data encryption layer, a data network layer, a data transmission layer and a data application layer is constructed; a block chain technology is integrated into data communication, safe transmission of data is realized, the transmitted data can be shared and cannot be tampered, the encryption performance of the data is improved, remote,online and real-time acquisition and application of the data can be achieved through systematic construction, and a user can achieve application, management and monitoring of database data without going to the site personally. According to the invention, the ant colony algorithm is adopted; according to the characteristics of data communication and the requirements of interaction equipment, the optimization search of the encryption algorithm is carried out among the plurality of encryption units, so that a user can quickly find out the optimal value of the target data suitable for applicationfrom the plurality of encryption algorithms, and the efficiency and the data management capability of the encryption unit application algorithm are greatly improved.
Owner:重庆知翔科技有限公司
Monitoring method of braking fault of elevating mechanism in crane
The invention discloses a monitoring method of a braking fault of an elevating mechanism in a crane. In the method, calculation of a braking time, a braking response time, a braking distance and a braking acceleration are carried out with installation of a braking fault monitoring system on the elevating mechanism in the crane, through detection of rotational speed and the number of rotation of a high-speed shaft or a low-speed shaft of the elevating mechanism, and by means of output of a braking control signal from a braking control circuit to a mechanical brake and output of a time point of a brake feedback signal from a feedback contact in the mechanical brake; and then differences between the four calculation values and a preset hidden danger threshold value, an early warning time threshold value and a fault threshold value are analyzed, thereby obtaining brake early warning or brake protection signals. The monitoring method can not only achieve early warning of a fault hidden danger of the brake system and protection of the fault, which is beneficial to elimination of the fault within an earlier stage for avoiding accidences; but also being beneficial for maintainers to quickly detect the fault with cooperation of positioning a fault point, thereby reducing a maintaining time.
Owner:SHANGHAI EECTRL ELECTRIC
Underground cave multi-facet detection method
ActiveCN103353611AQuickly find outEconomic investigationElectric/magnetic detectionAcoustic wave reradiationSet pointFacet
The invention discloses an underground cave multi-facet detection method. The method comprises the following steps: (1) a probe hole is arranged at a position needing detection on the ground; and (2) a power supply electrode A, a measuring electrode M and a measuring electrode N are arranged in the probe hole, a power supply electrode B is arranged on the ground of the probe hole, and a voltage magnitude delta u at the two ends of a measuring point O is successively measured in the probe hole by using the measuring electrode M and the measuring electrode N according to a set point distance; when the voltage magnitude delta u of the measuring point O is measured, the power supply electrode A, according to a set electrode distance extreme difference, successively enlarges the polar distance between the power supply electrode A and the measuring point O and successively records the voltage magnitude delta u of the measuring point O; at the same time, the current value I of the power supply loop between the power supply electrode A and the power supply electrode B is recorded; and the situations of underground caves can be analyzed and determined according to the curve abnormal characteristics of the B [rho] curve diagram of each measuring point. Compared with the prior art, the underground cave multi-facet detection method has the following advantages: the underground caves can be detected in a direct, rapid, economic and accurate manner, safety risks are eliminated, the application scope is wide, the precision is high, and the like.
Owner:邓业灿
Locomotive overhaul system and method based on video identification realized by dim light compensated dual cameras
PendingCN105872474ASimple structureReasonable designClosed circuit television systemsRailway auxillary equipmentColor imageAcquisition apparatus
The invention discloses a locomotive overhaul system based on video identification realized by dim light compensated dual cameras. The system comprises an upper monitoring terminal and mobile video acquisition equipment used for acquiring video information of each overhauled object on an overhauled locomotive, wherein the mobile video acquisition equipment comprises a casing, a video shooting device and an electronic circuit board; a data processor, an image synthesis unit and a clock circuit are arranged on the electronic circuit board; the video shooting device is a dual-camera video shooting device comprising a color image acquisition unit, a color image controller, a black-and-white image acquisition unit and a black-and-white image controller. For the black-and-white and color dual cameras, all that is needed is to start a main camera under most shooting scenes, and when an auxiliary camera is started in the dim light environment, the purity of pictures can be improved and the accuracy of image identification is effectively improved. The system has the advantages of simple steps, reasonable design, high overhaul speed and good overhaul effect, and the implementation is convenient.
Owner:XIAN YINSHI TECH DEV CO LTD
Phytoplankton size structure analyzing method
InactiveCN105352861AAccurate Data BaseQuickly find outBiological particle analysisParticle size analysisStructure analysisImage resolution
The invention provides a phytoplankton size structure analyzing method. The phytoplankton size structure analyzing method comprises the steps that after a seawater absorption spectrum is measured in situ, phytoplankton absorption spectrum contributions are extracted through a decomposition method, and information of the average grain diameter of algae and the size structure of phytoplankton is further extracted by adopting a bio-optical inversion algorithm. According to the method, in-situ high-frequency high-vertical-distinguishability measurement can be achieved, and the important significance on quickly finding out the size structure and spatial and temporal distribution of the phytoplankton biomass is achieved.
Owner:SOUTH CHINA SEA INST OF OCEANOLOGY - CHINESE ACAD OF SCI
Locomotive vehicle intelligent maintenance system and method based on video identification
ActiveCN104787009ASimple structureReasonable designVehicle servicing/repairingAcquisition apparatusComputer terminal
The invention discloses a locomotive vehicle intelligent maintenance system based on video identification. The system comprises an upper monitoring terminal and a movable video collecting device used for collecting video information of each maintenance object of a maintained locomotive vehicle; the movable video collecting device comprises a shell, a video capture device and an electric circuit board, and the electric circuit board is provided with a data processor, a video collecting unit and a clock circuit. According to the system, the structure is simple, the operation is easy and convenient, the using effect is good, and the maintenance process of the locomotive vehicle can be completed simply, conveniently and rapidly. Meanwhile, the invention further discloses a locomotive vehicle intelligent maintenance method. The method comprises the steps that 1, a maintenance task library is established; 2, the video information of the maintained object is collected, the maintenance records are synchronously uploaded, and the specific process comprises the steps of collecting and synchronously uploading vehicle number video information, identifying the vehicle number video information and collecting and identifying video information of a maintenance area; 3, objects which are left out in maintenance are judged. The method is simple, reasonable in design and convenient to achieve, the maintenance speed is fast, and the maintenance effect is good.
Owner:XIAN YINSHI TECH DEV CO LTD
Electric energy meter detection system and method based on fused ant colony algorithm
InactiveCN111929633AShorten the timeFind out quicklyArtificial lifeElectrical measurementsData classData acquisition
The invention discloses an electric energy meter detection system and method based on a fused ant colony algorithm, and relates to the technical field of electric energy metering. By adopting a classification algorithm model, classification of various data types can be classified, electric energy meter verification data, parameter data and electric energy meter detection data sensed by a pluralityof sensors can be classified according to certain attributes, and the data management capability is improved. According to the invention, an architecture system of the Internet of things is adopted,so that the underlying data acquisition capability and application capability can be monitored remotely on line in real time, and a user can realize management and monitoring of electric energy meterverification without going to the site personally. According to the invention, optimal search of the electric energy meters based on the electric energy meter data after classification, the electric energy meter data during classification or the electric energy meter data before classification and the classification attributes is realized through the improved ant colony algorithm, therefore, the user can quickly find out the optimal value of the target data from various data, and the electric energy meter verification efficiency and the data management capability are improved.
Owner:宁夏隆基宁光仪表股份有限公司
Locomotive overhaul system and method based on video identification realized by hologram dual cameras
PendingCN105872473ASimple structureReasonable designClosed circuit television systemsRailway auxillary equipmentComputer hardwareAcquisition apparatus
The invention discloses a locomotive overhaul system based on video identification realized by hologram dual cameras. The system comprises an upper monitoring terminal and mobile video acquisition equipment used for acquiring video information of each overhauled object on an overhauled locomotive, wherein the mobile video acquisition equipment comprises a casing, a dual-camera video shooting device and an electronic circuit board; a data processor, an image synthesis unit and a clock circuit are arranged on the electronic circuit board; for the main and auxiliary holographic cameras, all that is needed is to start the main camera under most shooting scenes, when an auxiliary camera is started, multi-angle information of images can be acquired, and multi-angle holographic images are obtained through processing of main and auxiliary images. The system is simple in structure, simple and convenient to operate and good in use effect, can simply and rapidly complete a locomotive overhaul process and has the advantages of simple steps, reasonable design, high overhaul speed and good overhaul effect, and the implementation is convenient.
Owner:XIAN YINSHI TECH DEV CO LTD
Air traffic control data access platform in civil aviation
ActiveCN103259687AQuickly find outImprove reliabilityData switching networksComputer networkAir traffic control
The invention discloses an air traffic control data access platform in civil aviation, and relates to the improvement of the structure and working manner of the air traffic control data access platform in civil aviation. According to the air traffic control data access platform in civil aviation, the efficiency of searching fault routing nodes is high, working steps are simple, and the system is reliable. The air traffic control data access platform in civil aviation comprises a routing node monitoring part, a switch connection part, a route data processing part and a communication line detection part, wherein the routing node monitoring part is the most important structure. The routing node monitoring part comprises a monitoring center and a plurality of monitoring modules, each monitoring module corresponds to one routing node, and each routing node corresponds to one address. The monitoring modules of adjacent routing nodes monitor the working condition of the other through sending questions and answers to each other. When the monitoring center receives a signal that the questions and answers can not be sent between the monitoring modules, the address of the fault routing node is obtained.
Owner:沈阳空管技术开发有限公司
Method for detecting integrity of hole wall rock mass of large-diameter cast-in-place pile during pile foundation construction period of cast-in-place pile
ActiveCN106149770AIntegrity and Accurate AcquisitionAvoid unnecessary extensionFoundation testingWell loggingKarst
The invention discloses a method for detecting integrity of hole wall rock mass of a large-diameter cast-in-place pile during a pile foundation construction period of the cast-in-place pile. The method comprises the following steps: (1) arranging a plurality of detecting fracture surfaces, in the axial direction of a pile hole, on the inner wall of the pile hole after the pile hole of the cast-in-place pile is completed and before concrete is poured during the pile foundation construction period of the large-diameter cast-in-place pile in a karst region; (2) adopting an acoustic well logging equipment; (3) starting detection after an emitting probe and a receiving probe are stable, and storing detected results by adopting a time section oscillogram; (4) analyzing the time section oscillogram obtained in step (3), and dividing intact rock mass, a soil layer and karst; and (5) after all to-be-detected fracture sections are detected, calculating complete rock wall area of the whole pile hole wall, and providing basis for calculating pile foundation pulling resistance and pile side frictional resistance of the cast-in-place pile. The detecting method is quick and accurate, can greatly shorten the construction period, can reduce manpower and material resources, and can reduce construction difficulty and construction risk of the pile foundation.
Owner:ARCHITECTURAL DESIGN RES INST OF GUANGDONG PROVINCE +1
Method for constructing novel blockchain network architecture
PendingCN111787114AGood application effectRealize onlineArtificial lifeData switching networksQuantum search algorithmNetwork architecture
The invention discloses a method for constructing a novel blockchain network architecture, and relates to the technical field of block chains. A blockchain network architecture system of an equipmentlayer, a computing layer, a network layer, a node layer and an application layer is constructed, edge devices are accessed to the blockchain network, a big data processing algorithm is fused, and optimal search is realized among data acquired by a plurality of edge devices according to edge characteristics and interaction requirements of blockchain nodes, so that a user can quickly find out an optimal value of target data suitable for application from a plurality of data information in a blockchain. In the data search process, a quantum algorithm model is fused, and when an ant colony algorithm model has information stagnation in the search process or the target data is still not retrieved after the maximum number of iterations set by the user is reached, the quantum search algorithm is started, and the probability amplitude of the quantum ground state corresponding to the solving result is maximized by changing the probability amplitude of the quantum ground state, thereby realizing optimal search of the data.
Owner:重庆知翔科技有限公司
Elevator system
The present invention provides an elevator system, including a operational recording device (15) for recording historic operation information related an operational state of a car (4); an elevator operation control device (3) for controlling the operation of the elevator and recording the operation information related the operational state of the car in the operational recording device; and a event reason analysis device (17), for judging an event reason based on a time period where the event occurs inputted by an operator and the history of the operation information recorded in the operational recording device.
Owner:TOSHIBA ELEVATOR KK
Garbage classification method based on classification and detection joint judgment
ActiveCN113657143ASolve the confusionQuickly find outWaste collection and transferCharacter and pattern recognitionStreaming dataEngineering
The invention discloses a garbage classification method based on classification and detection combined judgment, which comprises the following steps: S1, acquiring video stream data acquired by a camera, judging whether a user throws garbage or not, and if so, executing the step S2; S2, extracting a Tjn-th frame image and a Tj0-1-th frame image of the video, and calculating a junk image T' thrown by a user according to the extracted Tjn-th frame image and Tj0-1-th frame image; S3, inputting the junk image T'into a junk classification model for processing, outputting the category and confidence of the junk image by an image classification network in the junk classification model, judging whether the output confidence is greater than a confidence threshold, and if yes, taking the output of the image classification network as a final prediction result; if not, executing the step S4; and S4, inputting the feature map extracted by the garbage classification model into a target detection network in the garbage classification model to obtain a detection frame and a labeling category of abnormal garbage in the feature map, and taking the output of the target detection network as a final prediction result.
Owner:CHINA JILIANG UNIV
A method of finding a feature using a machine tool
ActiveCN104995481AQuickly find outEliminates the need for touch-triggered measurementsProgramme controlProgramme-controlled manipulatorPattern recognitionComputer graphics (images)
A method of finding a feature of an object using an analogue probe mounted on a machine tool. The method includes the analogue probe and / or object following a course of motion which causes the analogue probe's surface sensing region to traverse across the feature to be found a plurality of times whilst approaching the feature over successive traverses so as to ultimately arrive in a position sensing relationship with the feature so as to collect scanned measurement data about the feature along at least part of a traverse.
Owner:RENISHAW PLC
Computer startup method
PendingCN108446547AImprove convenienceQuickly find outDetecting faulty hardware by power-on testFaulty hardware testing methodsMultiple modesPower management
The invention belongs to the field of computer startup technology and discloses a computer startup method. A computer startup system comprises a power management module, an iris collection module, a sound collection module, a central control module, a data storage module, a fault detection module, a fault display module and a startup module. According to the method, startup is realized through multiple modes, including an iris scanning module and the sound collection module, so that startup convenience is improved, and the method is simple and practical; and meanwhile, startup fault reasons can be detected in the startup process through the fault detection module, different fault problems are displayed in different colors through the fault display module, and it is convenient to quickly find out the fault reasons.
Owner:HUANGGANG POLYTECHNIC COLLEGE
Analytical method of phytoplankton particle size structure
InactiveCN105352861BAccurate Data BaseQuickly find outBiological particle analysisParticle size analysisStructure analysisImage resolution
The invention provides a phytoplankton particle size structure analysis method. After measuring the seawater absorption spectrum in situ, the phytoplankton absorption spectrum contribution is extracted through a decomposition method, and a bio-optical inversion algorithm is used to further extract the average particle size of algae and phytoplankton. Particle-level structural information. The method of the invention can realize in-situ, high-frequency and high-vertical resolution measurement, and is of great significance for quickly identifying the particle size structure and spatial and temporal distribution of phytoplankton biomass.
Owner:SOUTH CHINA SEA INST OF OCEANOLOGY - CHINESE ACAD OF SCI
A photo album control method and terminal equipment
ActiveCN104809181BImprove experienceFind out quicklySpecial data processing applicationsTerminal equipmentComputer vision
Owner:GUANGDONG OPPO MOBILE TELECOMM CORP LTD
An e-commerce commodity copyright infringement evidence obtaining system and method
InactiveCN109740318ADoes not affect normal useQuickly find outData processing applicationsProgram/content distribution protectionPattern recognitionEncrypted function
The invention discloses an e-commerce commodity copyright infringement evidence obtaining system and method, the system comprises an encryption function module, an imbedding function module, an extraction function module and a decryption function module, and the method comprises the following steps: (1) encryption and imbedding of copyright information; and (2) copyright evidence obtaining is carried out in the e-commerce platform. Private labels can be inserted into the commodity picture files, the commodity picture files inserted with the private labels basically do not affect normal use, and private label information is mixed in images and cannot be identified by naked eyes. By utilizing the characteristic of the picture file, hidden information can be placed, and the placed hidden information can also be effectively extracted and read. And if the content of the hidden information is set as the copyright information, judging whether the use of the image file is authorized or not. When it is judged that the image file has specific hidden information, the owner of the image file is authorized legally; Otherwise, the system is not authorized.
Owner:杭州拾贝知识产权服务有限公司
Underground karst cave intersection detection method
PendingCN114518598AQuickly find outEconomic investigationWater resource assessmentMaterial resistanceMining engineeringKarst
The invention discloses an underground karst cave intersection detection method, which comprises the following steps of: constructing and arranging at least three detection holes in a to-be-detected section, arranging detection equipment in the detection holes, and detecting according to detection points in the detection holes one by one to form an apparent resistivity rho s equivalent curve graph, and the buried depth, the spatial distribution morphological characteristics and the orientation of the unfavorable geologic bodies such as the underground karst cave and the like can be judged according to the abnormity reflected by the curve graph. The method has the advantages that detection is simple, efficient and accurate, unfavorable geologic bodies such as underground karst caves can be quickly and economically found out with high resolution, and application and popularization are facilitated.
Owner:邓业灿 +4
Digital set-top box
InactiveCN109005437AAchieving a perfect connectionHigh synchronization rateSelective content distributionData displayComputer science
The invention discloses a digital set-top box, comprises a microprocessing module; a sound acquisition module, an image acquisition module, a network module and a data display module connected with the microprocessing module, the network module comprising a transmitting unit and a receiving unit; and also comprises a conversion module connected with the sound acquisition module and the image acquisition module; a rate measurement module, wherein the conversion module and the micro-processing module are respectively connected with the rate measurement module. The microprocessing module comprises a compression unit, wherein the rate measurement module and the emission unit are respectively connected with the compression unit; and a decompression unit, the receiving unit and the data displaymodule are respectively connected with the decompression unit. The invention provides a digital set-top box with perfect connection between images and sounds and high synchronization rate when video chatting.
Owner:JIANGSU ZHUODA INFORMATION TECH CO LTD
Disconnection and connection checking method, device and equipment and readable storage medium
PendingCN114037711AImprove accuracyImprove efficiencyImage enhancementImage analysisScale-invariant feature transformEngineering
The invention relates to a disconnection and connection checking method, device and equipment and a readable storage medium. The method comprises the steps of obtaining an image before disconnection and an image after connection; determining a first feature point set of the image before disconnection and a second feature point set of the image after connection based on a scale invariant feature conversion algorithm, and correspondingly converting the first feature point set and the second feature point set into a first array and a second array; calculating according to the first array and the second array to obtain an affine transformation matrix; detecting whether the photographing range of the image before disconnection is smaller than the photographing range of the image after connection; if yes, determining a to-be-cut range of the image after wiring based on the affine transformation matrix and the image before unwiring, and cutting the image after wiring; and recognizing characters in the image before wire dismounting and the cut wiring image to obtain a first character recognition result and a second character recognition result, and further judging whether an error exists in the wire dismounting and wiring process or not. According to the invention, the accuracy and efficiency of connection and disconnection checking can be improved, and the labor cost is reduced.
Owner:WUHAN UNIV
Floor
ActiveCN111648551AAvoid diggingReduce workloadCovering/liningsLighting and heating apparatusArchitectural engineeringStructural engineering
The invention relates to a floor. The floor is laid on concrete. The floor comprises a plurality of plate bodies, wherein flow channels are formed in the plate bodies, the adjacent plate bodies are abutted against each other, the flow channels between the adjacent plate bodies communicate with each other, bolts are further arranged on the concrete, nuts are arranged on the bolts, through holes areformed in the plate bodies, the through holes are connected to the bolts in a sleeving mode, and the nuts are abutted against the upper ends of the plate bodies. According to the floor, in the actualuse process, when one flow channel in the certain plate body is blocked, the plate body can be separately disassembled only by unscrewing the nut on the plate body, operation such as repairing and replacing is carried out separately on the plate body to complete repairing of the floor, the whole floor is prevented from being excavated, the workload is reduced, and the floor is easy to repair.
Owner:ZHEJIANG DINGXING CONSTR
Monitoring method for anti-explosive high-temperature industrial television
The invention discloses a monitoring method for an anti-explosive high-temperature industrial television. The monitoring method comprises the following steps: firstly, a monitoring point is determined on an anti-explosive high-temperature industrial television, and a data sampling unit is arranged on the corresponding monitoring point of the anti-explosive high-temperature industrial television for collecting a data signal and generating a collection signal; secondly, the collection signal is sent to a control unit, the control unit carries out processing and analysis and fault diagnosis on the data of the collection signal and generates a monitoring status signal; and finally, the monitoring status signal is sent to a display unit and the display unit displays a real-time status of the monitoring point. By adopting the monitoring method, the status of the anti-explosive high-temperature industrial television can be monitored in real time and the fault point can be diagnosed, the maintenance personnel can fast and accurately find out the reasons of the fault and maintain according to a fault processing procedure, therefore, wrong judgments can be avoided, the maintenance efficiency can be improved greatly and the maintenance time can be shortened.
Owner:BAOSHAN IRON & STEEL CO LTD
Photo album control method and terminal device
ActiveCN104809181AImprove experienceFind out quicklySpecial data processing applicationsTerminal equipmentComputer terminal
Owner:GUANGDONG OPPO MOBILE TELECOMM CORP LTD
Integrity detection method of large-diameter cast-in-situ pile hole wall during construction of cast-in-place pile foundation
Owner:ARCHITECTURAL DESIGN RES INST OF GUANGDONG PROVINCE +1
Device capable of imprinting optical cable number on optical cable sheath
PendingCN106094132AQuickly find outSimple wayFibre mechanical structuresEngineeringOptical fiber cable
The invention relates to a device capable of imprinting an optical cable number on an optical cable sheath, which comprises a support, transmission wheels, an auxiliary wheel, an imprinting wheel and a ribbon assembly. Two upper rotating shafts arranged side by side are arranged at the upper part of a panel; the imprinting wheel coaxially sleeves the upper rotating shaft close to one side of an optical cable outlet; an imprinting convex die is made on the side wall of the imprinting wheel; a rectangular hole is made in the imprinting wheel side wall beside the imprinting convex die; a shaft rod is arranged in the rectangular hole; the shaft rod is sleeved with multiple number rotating wheels; and each number rotating wheel is provided with ten number convex dies. The device capable of imprinting the optical cable number on the optical cable sheath provided by the invention has the advantages of reasonable design, simple and convenient use and strong practicality; different numbers can be imprinted on the surface of the optical cable sheath; causes of defects in the optical cable can be quickly and accurately found out according to the numbers; problems can be timely solved; the operation can be ensured to be carried out normally; and economic losses caused by defects again can be avoided.
Owner:天津立孚光电科技股份有限公司
A rapid evaluation method for dissolved seepage channels in formations rich in glauberite
Owner:CHINA HYDROELECTRIC ENGINEERING CONSULTING GROUP CHENGDU RESEARCH HYDROELECTRIC INVESTIGATION DESIGN AND INSTITUTE
A computer data security management device
PendingCN109460650AImprove securityPrevent delivery missing eventsBatteries circuit arrangementsInternal/peripheral component protectionInformation securityUSB
The invention discloses a computer data security management device, the invention relates to the technical field of computer information security, include a central processor, The input end of the central processor is electrically connected with the output end of the microprocessor, the microprocessor is respectively bidirectionally electrically connected with the main power supply and the standbypower supply, and the output end of the main power supply is electrically connected with the input end of the voltage comparison module, and the input end of the voltage comparison module is electrically connected with the output end of the microprocessor. According to the invention, Through the fingerprint acquisition module, fingerprint data processing module, Central Processor, fingerprint comparison module, cooperation between the second feedback module and the database, The first USB socket, the second USB socket and the third USB socket are turned on when the fingerprint is matched, thereby preventing a person from stealing information in the computer through the first USB socket, the second USB socket or the third USB socket, thereby improving the security performance of the computer.
Owner:ZIBO VOCATIONAL INST
Intelligent maintenance system and method for rolling stock based on video recognition
ActiveCN104787009BSimple structureReasonable designVehicle servicing/repairingComputer terminalIntelligent maintenance system
Owner:XIAN YINSHI TECH DEV CO LTD
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