Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Hiro

213results about How to "Safe operating environment" patented technology

Modular multi-wall tray retrofitable to a wheelchair

A robust multi-wall tray which is easily retrofitable to a wheelchair. Due to the structural design, the tray is lightweight but yet more rigid than conventional solid wheelchair trays. The multi-wall tray can be secured to a wheelchair with conventional means or with several novel means that provide a smooth work surface free of screws or Velcro™. A novel prior art adjustable tray support structure can also be integrated into the multi-wall tray to allow the system to mount robustly to the frame of a wheelchair and also allow the tray to fold away to the side of the wheelchair when not in use. Additionally, the multi-wall tray can have a sealed perimeter to create an enclosure for protecting electronic devices. The design can support electronic devices for computer assisted living while also providing a tray work surface for reading, writing or eating.
Owner:COMP ASSISTED LIVING

Data processing method and system of data library

The invention discloses a data handling method and a system in database to solve the problem that the single course treatment requires great amount of time and manpower cost and can not handle abnormities in ETL process. The method includes: arrange data synchronous configuration table and data refreshing configuration table; configuration information of the corresponding data source, start up a plurality of synchronous courses in parallel; refreshing grades, and start up a plurality of refreshing courses to make sequential synchronous and refreshing treatment on a plurality of data sources. The invention also includes parallel monitoring treatment; periodically checking synchronous refreshing information table; any abnormity discovered should be recorded in the alarm information table; the invention also includes parallel alarm treatment: Periodically checking alarm information table; alarm information should be sent immediately for new abnormities. The invention enhances the efficiency of synchronization and refreshing and saves a great deal of time and manpower cost. Real-time monitoring ensures timely handling of problems and safe, reasonable, and stable operation of database.
Owner:ALIBABA GRP HLDG LTD

Logistic information real-time management method and system

The invention discloses a logistic information real-time management method and a system. Defined barcode information is read by a barcode data acquisition terminal so as to obtain node information of goods or order forms, a customized information recording interface of a user is set, definition setting of a database and maintenance of a database capacity interface are realized, a current state is automatically prompted when data are dispatched or selected, particular capacity information of a memory space is dynamically updated when goods are taken, all database capacity is automatically prompted dynamically and visually, comparison of a data condition provided by a user and an actual condition of current basic data is automatically prompted according to analysis of category and state of data, receipt details for dispatching the data are generated automatically, and detailed data information of a dynamic link is synchronously obtained from a database server and displayed and outputted in a node information form. By the aid of the logistic information real-time management method and the system in the technical scheme, intelligent logistic management and service punctuality are realized, and predictability is improved.
Owner:WUXI KAIYI IOT TECH DEV

SCADA (supervisory control and data acquisition) temperature parameter based wind turbine set security evaluation method

The invention discloses an SCADA (supervisory control and data acquisition) temperature parameter based wind turbine set security evaluation method and belongs to the technical field of equipment security evaluation. The wind turbine set security evaluation method includes: firstly, deciding on an SCADA temperature parameter; then analyzing temperature parameters related to system faults of a wind turbine set, structuring relatedness between operating conditions of the environment temperature as well as wind speed and the SCADA temperature parameter, determining a standard for division of wind turbine set operating conditions, and establishing a standard Gaussian model serving as a reference model for evaluation of the wind turbine set operating conditions; calculating degree of deviation between a curve and the standard model through comparing the standard model with the Gaussian model, and measuring the operating condition of the wind turbine set. By the application of the wind turbine set security evaluation method, monitoring level upon the wind turbine set can be improved, utilization rate of the wind turbine set can be increased, and operation cost can be effectively lowered; a reliable and effective wind turbine set security evaluation mechanism is established, so that deterioration of hidden trouble of the wind turbine set towards faults and accidents is avoided, and an operation circumstance which is secure, stable and efficient is formed for the wind turbine set.
Owner:NORTH CHINA ELECTRIC POWER UNIV (BAODING) +1

Intelligent transformer terminal and monitoring method thereof

The invention discloses an intelligent transformer terminal and a monitoring method thereof. The intelligent transformer terminal consists of a hardware part and a software part, wherein the hardware part comprises a host, a lead, a sensor assembly, an information processing module, a protection function module, a control output function module, an exception warning function module, a display module and a communication module; and the software part comprises an application service platform, a database, an after-sales service platform, a product management platform and a mobile equipment client APP on the host. According to the intelligent transformer terminal and the monitoring method thereof, running parameters of the transformer are measured in a way of transmitting a physical parameter change and / or acquiring a power signal and displayed rapidly, and remote monitoring, operations and information feedback are realized by the mobile equipment client APP or a webpage through network transmission. When danger or important prompt information is detected, the information is pushed to the mobile equipment client APP or the webpage and after-sales service platform, so that a reliable and safe operating environment can be provided for an electric power system by the transformer.
Owner:顺特电气设备有限公司

Coated compound fertilizer and preparation thereof

ActiveCN101462907AExcellent nutrient resistance control functionExcellent S-type nutrient dissolution modeFertilizer mixturesLow-density polyethyleneMineral dust
The invention discloses an S type coated compound fertilizer and a preparation method thereof. The S type coated compound fertilizer comprises compound fertilizer granules and a coating wrapped on the surface of the granulated fertilizer; wherein, the material for preparing the coating comprises the substances based on the mass portion ratio: 15-27 portions of polystyrene foam, 24-30 portions of recovered Polypropylene polymers, 7-20 portions of low density polyethylene, 10-45 portions of inorganic mineral dust and 2-9 portions of starch or modified starch. The S type coated compound fertilizer has an excellent S type nutrient dissolving mode, can control the release time and amount of nitrogen, phosphorus and potassium nutrient in an intelligentized way, and meets different needs of agricultural production such as culture of seedling, contact fertilizer application and one-off application.
Owner:BEIJING ACADEMY OF AGRICULTURE & FORESTRY SCIENCES

Method and system for realizing relay protection and secondary circuit debugging visualization

The invention relates to a method and a system for realizing relay protection and secondary circuit debugging visualization. The system comprises a testing signal generation system, a virtual protection device, a virtual secondary circuit and a visualization unit, wherein the testing signal generation system is used for generating testing signals; the virtual protection device is used for receiving the instantaneous quantity, the steady-state quantity or the positive-sequence, negative-sequence and zero sequence components of the testing signal generation system, generating a current switching quantity variable of logic diagrams for protection, tripping, reclosing and the like, and transmitting the current switching quantity variables to the visualization unit; and the visualization unit is used for extracting the current switching quantity variable of the virtual protection device, the new switching quantity variable of the virtual secondary circuit and a switching quantity variable produced through operation, and generating visualized action images. The method and the system for realizing relay protection and secondary circuit debugging visualization have the beneficial effects that the visualized action images are displayed through two ways, i.e. sampling-point-by-sampling-point control and period-by-period control, and the modules of the system are clear and the training and the learning are facilitated.
Owner:STATE GRID CORP OF CHINA +1

Network based multi-mode intelligent order following management method and intelligent management system

The invention discloses a network based multi-mode intelligent order following management method and an intelligent management system. The method comprises the steps as follows: defined order information is read by a data collection terminal and associated with specific data, so that node information of basic data is acquired; a customized information entry interface is set, according to different order data requirements, basic information formats are designed respectively, and information formats are customized; definition of a database and an interface for maintaining database capacity are set, a current state is prompted automatically during data dispatch or selection, and specific capacity information of storage space is dynamically updated during order following; and according to data classes and state analysis, comparison of condition of data provided by the user and the current actual basic data condition is automatically prompted, and document details for data call are automatically generated. Therefore, intelligentization and punctuality of order following management are realized, and predictability is improved; and further, flexibility of order following management service of an enterprise is enhanced, the order following time is shortened, and the flexibility is improved.
Owner:杨斯智 +6

Self-sustaining data center operational to be extremely resistant to catastrophic events

The Self-Sustaining Data Center makes use of a site that is inherently immune to catastrophic events and incorporates features to facilitate the substantially continuous availability of data stored therein. The architecture of the Self-Sustaining Data Center makes use of multiple data communication links to sites that are remote from the data center to enable the uninterrupted communication access of customers' computer systems to the mass storage systems operational at the Self-Sustaining Data Center. The Self-Sustaining Data Center also includes facilities that include at least one of: power generation, housing and food for data center staff, and voice communications facilities, thereby to enable the Self-Sustaining Data Center to continue its operation for an extended period of time in the absence of municipal utility services and the possible inability of the data center staff to access outside sources of food and water.
Owner:KAR

Detection device

The invention is a detection device, which includes a stander and a work plate for placing substance which is to be measured, an X-ray generator is arranged below the work plate, and an X-ray image-intensifier is arranged on the upwards side of the work plate, X-ray image-intensifier is connected to a display unit through a data control line and a control mainframe, the work plate is horizontally set in the stander, the work plate can vertically make landscape orientation and length direction movement along the center of the X-ray image-intensifier, a load supporting work plate and an X axis movement mechanism and an Y axis movement mechanism which transversely and longitudinally moved relative to the stander are set between the stander and the work plate. X-ray generator is set in a Z axis movement mechanism which vertically moved relative to the work plate, surrounding of the X-ray generator, the work plate and the X-ray image-intensifier is arranged a shielded part for preventing the X-ray radiating external environment. In short, the invention has the advantages of safe use, stereotaxic location, high precision, and easy operation.
Owner:GUANGDONG ZHENGYE TECH

Device and method of field measurement of folding pipes on the basis of three-dimensional space shooting positioning technology

The present invention discloses a device and method of field measurement of folding pipes on the basis of a three-dimensional space shooting positioning technology. Ends of two folding pipes are respectively provided with first flanges and second flanges. The device provided by the invention comprises a first high-precision camera, a second high-precision camera and a telescopic pole connecting the first high-precision camera and the second high-precision camera; the first high-precision camera and the second high-precision camera are respectively provided with three mutually vertical angle sensors, a plurality of plates are arranged on the first flanges and second flanges, and data acquisition cards are configured to store shooting images of the first flanges and the second flanges and the detection data of the angle sensors are installed in the first high-precision camera and the second high-precision camera. According to the invention, the accurate position of an object may be accurately obtained in a three dimensional space, so that an accurate and stable operation environment is provided for other operations, and therefore a lot of labor cost and the labor intensity is reduced, and the work efficiency is improved.
Owner:JIANGSU YANGMING SHIP EQUIP MFG TECH

System and method of safe and effective engergy usage and conservation for data centers with rack power distribution units

ActiveUS20120303166A1Optimal energy efficiencyImprove energy usage and conservationInflated body pressure measurementTemperatue controlAirflowPower load
A system and method for improving energy usage and conservation of at least one air-management unit in a data center where a multiplicity of rack mounted power distribution units are used for power distribution to a multiplicity of electronic devices mounted on a plurality of racks in at least one computer room of the data center. A group of power load, temperature, humidity and differential pressure sensors are provided throughout the racks, and coupled to a computer through a network interface for automatically calculating multiple air-management effectiveness and energy efficiency indices (e.g., rack cooling index RCI, rack humidity index RHI, rack airflow index RAI, rack differential pressure index RPI and return temperature index RTI) based on the data from the sensors, such that the operation of the air-management unit can be adjusted accordingly to achieve an optimal efficiency of safe energy usage and conservation.
Owner:ATEN INT CO

Synthetic method for Tildipirosin

The invention relates to a synthetic method for Tildipirosin. The method comprises the synthetic steps of 23-hydroxy-20-piperidyl-5-O-mycaminoseyl-tylolactones, and 23-sulphonate-20-piperidyl-5-O-mycaminoseyl-tylolactones. The reaction yield of the method is high, and the conversion rate of each step of the reaction is up to more than 80%; and the purity of the product is high, and is up to more than 98.2%. The main raw material of the method is tylosin, the reaction reagent is the normal reagent which is easily obtained in the market and is cheap, and does not need to be stored in the ultralow temperature. The method is simple and safe in operation, does not need the devices in high temperature and high pressure, and has no risk. The method is capable of effectively solving the completeness of the reactant conversion, avoiding the column chromatography isolation for the intermediate product and the environment pollution, recovering the triphenylphosphine oxide of the byproduct, shortening the reaction period, improving the yield of the product, and reducing the production cost, and has the industrialized application value.
Owner:CHINA INST OF VETERINARY DRUG CONTROL

Method for extracting effective flavonoid components in traditional Chinese medicine pericarpium citri reticulatae

ActiveCN104297026AReduce pollutionImprove environmental protection benefitsPreparing sample for investigationSolid phasesMolecular sieve
The invention discloses a method for extracting effective flavonoid components in traditional Chinese medicine pericarpium citri reticulatae. The effective flavonoid components comprise one or more than two of aurantiamarin, nobiletin and hesperetin. The method comprises the following steps: mixing pericarpium citri reticulatae medicine powder and a molecular sieve absorbent according to a mass ratio of 1 to (0.25-3) so as to obtain a mixture, adding the mixture into a mortar for grinding to obtain ground solid, adding a sieve plate into the bottom of a small solid-phase extraction column, filling the small column with the ground solid, adding the sieve plate into the top of the small solid-phase extraction column after the ground solid is compacted, putting the compacted small column on a solid-phase extractor, injecting an eluent into the small column, starting an air extracting pump of the solid-phase extractor, eluting the small column, collecting the eluent by a centrifuge tube at the bottom, whirling and centrifuging the eluent in the centrifuge tube after the elution is ended, so as to obtain supernatant liquid as effective flavonoid component extraction liquid. According to the method, a molecular sieve is used as the absorbent; with the combination of a matrix solid-phase dispersion extraction technique, the effective flavonoid components in the traditional Chinese medicine pericarpium citri reticulatae can be extracted and detected in an efficient and environmental-friendly manner.
Owner:HANGZHOU NORMAL UNIVERSITY

System and method for ensuring safety operation of applied program

This invention discloses a system and a method for securing safe operation of applied programs, in which, the system master control unit includes a system master program guiding and managing normal operations of other devices in the system, when the master control program operates, a safety strategy read module reads corresponding safety strategy files, a safety detection module calls related safety operation program to check the safety of the operational environment and initiates module transferring instruction to the applied program when all safety conditions are satisfied, when the applied program initiating module receives the instruction, it reads appointed applied program and starts up it from the applied program and safety strategy component.
Owner:BEIJING WATCH DATA SYST

Agent-based mobile internet information exchange method

The invention discloses an Agent-based mobile internet information exchange method. The method comprises a design architecture consisting of three Agent application system schemes and an Agent-based mobile internet information exchange middleware. In the method, a Mobile Agent Server is realized by adopting the Agent-based middleware technology, so that the portability, the extensibility and the integrateability of the Agent Server can be improved. The invention relates to the field of information exchange between a mobile terminal and a fixed network and between the mobile terminals in the mobile internet, so the data exchange problem brought by the mobility of mobile equipment, limitation of hardware resource and network resource and platform isomerism is solved, and the method has broad application prospect.
Owner:SHANGHAI MONETWARE NETWORK TECH

Equipment safety control method and system based on internet of things

An equipment safety control method and system based on internet of things comprise the steps that 1, internet of things equipment ID is generated, the internet of things equipment ID is the only identification number of the internet of things equipment in the internet of things, and the internet of things equipment ID comprises manufacturer coded information, equipment classification coded information, time to market information and equipment coded information; 2, safety monitoring is conducted on the internet of things equipment in advance, and security authorization code coexists with the internet of things equipment is generated after passing the safety monitoring; when the internet of things equipment operates actually, permissions of normal operation through accessing to the internet of things is granted to the internet of things equipment according to the security authorization code; 3, a safety communication level of the internet of things equipment is set according to the actual operation situations and demands; 4, the internet of things equipment starts up functions of the equipment according to operating instructions of a user, and the internet of things equipment records operating record information after starting up the functions.
Owner:上海恩辅信息科技有限公司

Preparation method for important intermediates of butoconazole nitrate

The invention discloses a preparation method for novel Grignard reagents, namely 4-chlorobenzylmagnesium chloride and 1-(2-chlorine-4-(4-chlorophenyl)-normal-butyl) imidazole. The method comprises the steps as follows: the 4-chlorobenzylmagnesium chloride is prepared from a mixed solvent of ethyl ether and MTBE (Methyl Tertiary Butyl Ether) by taking p-chlorobenzyl chloride as a raw material; and the 1-(2-chlorine-4-(4-chlorophenyl)-normal-butyl) imidazole is prepared from a methylene chloride solvent by taking 1- (4-(4-chlorophenyl)-2-hydroxy-normal-butyl) imidazole as a raw material. The 4-chlorobenzylmagnesium chloride and the 1-(2-chlorine-4-(4-chlorophenyl)-normal-butyl) imidazole are important intermediates for preparing butoconazole nitrate.
Owner:SICHUAN DIHON MEDICAL DEV +1

Network access method and system based on virtual resources, computer equipment and medium

The invention relates to a network access method and system based on virtual resources, computer equipment and a medium. The method comprises the steps of obtaining a configuration page of the virtualresources, wherein the configuration page comprises a plurality of configuration items; obtaining corresponding configuration parameters according to configuration operation for the configuration items; generating target codes corresponding to the corresponding configuration items based on the configuration parameters; adding the target codes corresponding to the plurality of configuration itemsto template codes, thereby obtaining execution codes of the virtual resources; and operating the execution codes, and screening the virtual resources corresponding to the configuration parameters in avirtual resource pool. Through adoption of the method, the security of a virtual resource obtaining environment can be improved.
Owner:深圳华讯网络科技有限公司

Device for automatically positioning projection lamp wick in lamp cup and method for positioning same

The invention relates to a device for automatically positioning a projection lamp wick in a lamp cup and a method for positioning the same, which belong to the field of industrial automation control and are applied to achieving safe, effective and highly accordant assembly of the lamp wick and the lamp cup to satisfy requirements on mass production with the lowest cost. The device mainly comprises the following three parts: a vision system, an image processing system and a motion control system, wherein the vision system acquires images projected on a screen (7) by a projection lamp and transmits the images to the image processing system; the image processing system processes the data acquired by the vision system, and compares and analyzes the data with empirical data in a database to get whether the position of the current lamp wick (4) is optimized relative to the lamp cup (5) and generate motion control parameters; and the motion control system adjusts the position of the lamp wick (4) according to the motion control parameters. Through the positioning device and the method, safe operations are achieved, the production quality and the efficiency of products are improved, and energy sources are saved.
Owner:江苏森莱浦光电科技有限公司 +1

Self-moving hydraulic support

The invention relates to a self-moving hydraulic support, which is used for supporting in time while assisting in a work surface support to retreat and move after the underground coal mine fully mechanized coal mining face finishes coal mining, and belongs to the field of coal mine machinery. The self-moving hydraulic support comprises an external frame top beam and an external frame base in a form with gaps at the middle and rear parts; an internal frame is nested in the gaps of the external frame top beam and the external frame base; and an internal frame base is connected with the external frame base through pushing a jack. The self-moving hydraulic support is used for supporting an empty roof in time when the work surface support retreats, so that the mechanization is realized, the risk of artificially maintaining the roof plate is solved, the labor intensity of workers is reduced, the production efficiency is improved, and a safe operation environment is provided for the workers. The self-moving hydraulic support is used for replacing pointed pillars or timber cribs, and the production cost is reduced.
Owner:INNER MONGOLIA NORTH HEAVY INDS GROUP

Seal or signature recognition system based on a block chain

The invention discloses a seal or signature recognition system based on a block chain. A seal or signature provider, a seal or signature querier and a seal or signature authenticator are arranged on the block chain. Wherein the block chain data assets comprise two intelligent contracts of stamp or signature conversion and storage, stamp or signature query and comparison, and a stamp or signature database; The main function of the system is to complete collection and storage of stamps and signatures and query and identification of the stamps. The method has the advantages that the problems thatwhen people identify seals or signatures, efficiency is low, errors are likely to happen, and the seals and the signatures are effectively prevented from being falsely used in reality are solved; Through the seal or signature recognition system based on the block chain, the authenticity of the seal or signature can be efficiently and accurately recognized, and a safe and reliable operation environment is provided for electronic commerce.
Owner:阮静

Carbon dioxide fracturing method

The invention discloses a carbon dioxide fracturing method. The method includes the steps that first, carbon dioxide fracturing devices are assembled; second, an ohmmeter is used for detecting whetherthe resistance value between a filling valve and a release tube is normal or not; third, the carbon dioxide fracturing devices assembled in the first step are loaded and transferred to a mine after passing examinations; fourth, whether the resistance between each carbon dioxide fracturing device and a wire is normal or not is measured, a layer of blasting holes are drilled in the mine, and the carbon dioxide fracturing devices are put into the corresponding blasting holes; fifth, the hole opening of each blasting hole is covered with a bamboo chip and then is covered with a tarpaulin and earth bags; and sixth, a warning region is made around each carbon dioxide fracturing device, and an ignition device is pressed to start the carbon dioxide fracturing devices for detonation. By means of the carbon dioxide fracturing device, reuse can be realized, using cost is greatly reduced, powerful thrust generated momently is used for tearing materials, the same carbon dioxide fracturing devicescan be connected through the corresponding wires, and the advantages of being low in labor intensity, large in fracturing force, safe and good in fracturing effects are achieved.
Owner:浙江虹脉土石方工程有限公司

A safety protection method based on a remote upgraded version

ActiveCN109271184AReduce the probability of major production accidentsSafe operating environmentVersion controlSoftware deploymentDevice typeTerminal equipment
The invention discloses a safety protection method based on a remote upgraded version, including: storing a manufacturer code and a device type identification in a terminal equipment terminal system,uploading the remote upgrade program to the version server, and selecting the designated terminal to upgrade, when the agent program on the selected terminal receives the upgrade instruction and obtains that the version on the server is higher than the current version, downloading the remote upgrade program and running the update installation script; installing and updating, firstly reading the manufacturer code and equipment type identification under the storage path of the terminal, and comparing with the stored identification respectively; If the identities are identical, releasing the remote updates to the local storage directory, updating the relevant program files, if not, exiting the updates, and returning the installation failure reason. Through the method, the invention adds a self-identification and judgment function of the software in the remote upgrade package installation link, so as to make the operation of the bank self-help front-end equipment system more safe and stable.
Owner:INSPUR FINANCIAL INFORMATION TECH CO LTD

Office automation management system

The invention discloses an office automation management system, belonging to the office system field. It includes basic layer, data layer, application support layer and application layer. An upper layof that application support layer receive signals from the data layer; the signal of application support layer is output to application layer. The application layer includes daily report management subsystem, daily report management subsystem includes process management module, system management module, daily report management module, reimbursement management module and parameter management module. The daily report management module comprises a personal daily report unit and a daily report review unit,the reimbursement management module comprises a reimbursement document generation unit and areimbursement document approval unit, wherein the reimbursement document generation unit is connected with a personal daily report unit, and a reimbursement expense statistics sub-module and a reimbursement limit statistics sub-module are arranged in the reimbursement management module; the parameter management module configures the running parameters for each module in the daily report management subsystem. The invention can realize the information sharing of each service module, and remarkably improves the work efficiency.
Owner:合肥智圣新创信息技术有限公司

Method for treating complex gold concentrate cyanidation tailings through microwave chloridizing roasting and volatilization

The invention relates to a method for treating complex gold concentrate cyanidation tailings through microwave chloridizing roasting and volatilization. The method comprises the following steps: feeding a complex gold concentrate cyanide tailing mixture containing a chlorinating agent into a disk granulator, so as to obtain green pellets; sending the green pellets into an industrial microwave oven, setting certain temperature and time, and carrying out drying, preheating and roasting volatilization in sequence, so as to obtain volatilized flue gas and hot pellets, wherein the obtained flue gas contains valuable metals such as gold, silver and copper; leading the flue gas into a wet process recovery system via a draught fan for recovery; and sending the hot pellets into a pellet storage yard for sale after cooling. According to the method, the grade of gold in the tailings can be substantially lowered, the operation is easy and the technological process is short, the reaction temperature and time are reduced, and the subsequent treatment of the valuable metals such as gold in the discharged flue gas is relatively easy, and the production efficiency is improved.
Owner:新疆星塔矿业有限公司

Mfg. method of braking band of integral pressed blending fibre

The making process of integrally pressed brake belt with blended fiber includes the following steps: 1. preparing blended fiber with several kinds of friction fiber material; 2. combing the blended fiber, adding metal net layer by layer and pressing integrally to form the belt blank; 3. soaking the belt blank in phenolic resin; 4. drying the soaked belt blank naturally; 5. heating to cure; and 6. polishing surface of the cured belt to produce brake belt product. The process has the advantages of high safety and saving in gasoline, and the product has raised heat resistance, wear resistance and stability and low cost.
Owner:陈钜源

General series bus interface mobile memory method and its device

The invention relates to a mobile memory method of general serial bus interface and a relative device, belonging to computer technical field. And the method comprises that first dividing a data memory into three areas, distributing and managing the data received from a main controller and a remote server to be provided to user, while the data refresh uses abundant backup and data automatic operation. The inventive device comprises a main controller, a data memory and a safe control chip, wherein the safe control chip is respectively connected with the main controller and the safe control chip. The inventive method provides safe and reliable data content management, uses core element technique to provide stable and reliable distribution management, refresh management and return management, for providing safe, reliable and practical service to entertainment operator.
Owner:BEIJING TTKG NETWORK TECH

Well completion transformation casing head

ActiveCN108386154AReduce cutting phenomenonRelaxed operating environmentSealing/packingCouplingEngineering
The invention relates to a well completion transformation casing head. An overall structure of the casing head integrates the advantages of a mandrel casing head and a slip casing head. More transformation connecting, sealing and mounting structures and the like for a complicated completion wellhead are formed based on a coupling casing head structure; multiple connecting and mounting plans are predesigned according to possible wellhead complexity on site; for example, a casing coupling hanger in a coupling casing head is transformed into a casing body hanger with higher generality; for another example, the advantage of a BT sealing technology is integrated into a special transformation wellhead sealing flange; a composite sealing structure such as a special sealing element is derived; andfor another example, the transformation wellhead sealing flange and the special transformation wellhead sealing flange are applicable to common standard transformation structures such as a standard flange, non-standard double flanges, a non-standard welding flange and a non-standard threaded flange in a completion process.
Owner:CNPC BOHAI DRILLING ENG +1

Construction method and system for Java program trusted execution environment

The invention provides a construction method for a Java program trusted execution environment. The method comprises the steps that a coprocessor board card is constructed, and the coprocessor board card is connected with a mainboard, wherein the coprocessor comprises a coprocessor chip, a memory chip and a flash chip; a main processor and a TPM chip are inserted into the mainboard, and the main processor, the coprocessor board card and the TPM chip are mutually connected; a person fills the security requirement level of each Java application in a Java application security requirement level configuration table, wherein the Java application name and hash value are written into a Java application measurement experience table of the coprocessor board card flash chip, and processing is conducted separately according to the security level. Accordingly, the Java trusted execution environment is constructed under the support of the TPM chip and the coprocessor board card, a high security Java application is executed in an isolated mode in a coprocessor transparent to a user, measurement and verification are conducted on a coprocessor drive program and a Java application program through the TPM chip, and the security of executing the Java application is greatly strengthened.
Owner:湖南文盾智链科技有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products