Product
Patsnap Eureka
For R&D, Patsnap Eureka makes reading and utilizing patents & technical documents easy.
Patsnap Eureka AIR
Designed for self-driven R&D workflows. Generate viable solutions, solve complex R&D challenges, empower your innovation with AI.
Patsnap Eureka Materials
Designed for material experts only. Revolutionize your material R&D, from search, analyze, to developing new materials.
Feature
TechResearch
Generate reliable direction feasibility study reports for your R&D in just a few steps.
TechSeek
Discover and master advanced knowledge NOW. Basics, ideas, possibilities, all at once.
TechMind
As an expert in R&D Theories, TechMind can generates customized viable solutions instantly.
TechRisk
Analyze your overall solution with one click, know your potential R&D risks in advance.
TechMonitor
Get weekly tech updates, stay abreast of the latest tech innovations and key insights.
Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
37results about How to "Applicable design" patented technology
Efficacy Topic
Property
Owner
Technical Advancement
Application Domain
Technology Topic
Technology Field Word
Patent Country/Region
Patent Type
Patent Status
Application Year
Inventor
Highly reliable network server system on chip and design method thereof
ActiveCN101335606AReduce areaReduce power overheadError preventionData switching networksFault toleranceTime delays
The invention discloses an on-chip network router system with high reliability and a design method thereof, wherein, the design method of the on-chip network router system with high reliability comprises the steps that: a router soft core based on a wormhole routing swap mode and a rotation routing selection mode is designed; a corresponding SCAC coding circuit, an SCAC decoding circuit and an SCAC error correction circuit are designed for data with a specified width; and the SCAC error correction circuit is added into the router; the SCAC coding circuit and the SCAC decoding circuit are connected with the router so as to from a framework of the router system; an SCAC-TMR fault tolerance proposal is designed for the framework of the router system and the on-chip network router system with high reliability is realized; the functions of the on-chip network router system with high reliability are tested and verified and the performance of the on-chip network router system with high reliability is evaluated. The on-chip network router system with high reliability of the invention can reduce the area, the energy consumption and the expenses of the on-chip network, ensure the reliable data transmission of the on-chip network and prevent a signal jumping with a relatively long time delay from appearing on the channel, thus being more applicable to the design of fault-tolerant and multi-core processors in the future.
Owner:INST OF COMPUTING TECH CHINESE ACAD OF SCI
Nand Flash parameter reading method
ActiveCN105280240ARealize automatic identification functionApplicable designStatic storageValue setComputer engineering
The invention relates to a Nand Flash parameter reading method. The method includes the following steps that a Nand Flash reading command is sent, and a first section of Nand Flash parameters in multiple sections of Nand Flash parameters are read, wherein each section of Nand Flash parameters includes a first part of data and a second part of data; the first part of data are verified for the first time, and if verified to be corrected in the first time of verification, the first part of data continue to be verified for the second time; if the first part of data are verified to be corrected in the second time of verification, values of parameters in the first part of data are compared with values set by a program; if the values of the parameters in the first part of data and the values set by the program are the same, it is determined that Nand Flash parameter reading succeeds. Through the method, automatic identification of Nand Flash parameters is achieved without adding memorizers or increasing cost.
Owner:TANGRAM MICROELECTRONICS TECH SHANGHAI CO LTD
Design method of reconfigurable architecture platform oriented image processing
ActiveCN104112053AApplicable designVersatilitySpecial data processing applicationsImaging processingComputer architecture
The invention discloses a design method of a reconfigurable architecture platform oriented image processing. The design method comprises the steps of firstly analyzing and concluding a plurality of operation types of common complex algorithms, secondly, performing software / hardware division under the reconfigurable architecture on the image algorithm processing flow, thirdly, performing reconfigurable unit design and implementation on a plurality of image algorithm operation types, and on this basis, performing scheme design and technical implementation on the universal complex algorithm global interconnection architecture, and finally, performing design and implementation of a universalized IP core based on the architecture.
Owner:TIANJIN JINHANG COMP TECH RES INST
Airplane Herbst maneuvering control method
The invention provides an airplane Herbst maneuvering control method, and the method is based on a dynamic reverse idea. A designed controller comprises an outer ring flight path controller and an inner ring posture controller. The outer ring flight path controller calculates an attack angle instruction, a sideslip angle instruction, an instruction of a roll angle about the velocity vector and an engine thrust instruction for controlling the velocity of an airplane for achieving the set maneuvering light path. The inner ring posture controller controls the attack angle, the sideslip angle and the roll angle about the velocity vector through operating a pneumatic control plane of the airplane and a thrust vector. The method obtains an analytical expression of the outer ring flight path controller, wherein an attack angle instruction controller has an I controller form in a PID controller, and avoids the complex numerical calculation. Meanwhile, the method can adjust the solving precision of the control instruction, and is more suitable for the design of an airplane Herbst maneuvering controller in the engineering field.
Owner:CALCULATION AERODYNAMICS INST CHINA AERODYNAMICS RES & DEV CENT
Underground interchange bifurcate tunnel underground excavation structure
Owner:SHANGHAI MUNICIPAL ENG DESIGN INST GRP
Potassium niobate sodium-based multi-layer piezoelectric ceramic element and preparing method thereof
ActiveCN104051606AImprove piezoelectric performanceGuaranteed performanceMagnetostrictive device manufacture/assemblyElectromechanical coupling coefficientDielectric permittivity
The invention provides a potassium niobate sodium-based multi-layer piezoelectric ceramic element. A chemometry general form of a formula of potassium niobate sodium-based leadless piezoelectric ceramics is that [(Na0.52K0.44)1-xLix] (Nb0.93-ySb0.07Tay)O3, wherein 0.02<=x<=0.06, 0.02<=y<=0.06, a piezoelectric constant ranges from 300 pC / N to 350 pC / N and even higher, a dielectric constant ranges from 1700 to 2000, and an electromechanical coupling coefficient ranges from 0.40 to 0.45.
Owner:PAIHE SCI & TECH HLDG CO LTD BEIJING +1
Radio-frequency power amplifier circuit with adjustable predistortion function
ActiveCN101888215AReduce positive phase offsetModulation Feedback StrengthAmplifier modifications to reduce non-linear distortionPower amplifiersNegative feedbackAudio power amplifier
The invention discloses a radio-frequency power amplifier circuit with adjustable predistortion function, comprising a transistor in emitter follower structure; wherein the base electrode of the transistor is connected with the input terminal of the amplifier circuit, the emitter of the transistor is connected with the output terminal of the amplifier circuit by virtue of an output matching network, an RC parallel negative feedback network is connected between the base electrode of the transistor and the collector electrode of the transistor, a first RL series negative feedback network is connected between the collector electrode and an external adjustable bias voltage, and a second RL series negative feedback network is connected between the emitter of the transistor and the ground. Predistortion circuit can be caused to have better accuracy, gain compression and positive phase deviation produced by power amplifier post-stage circuit can be compensated, and linearity thereof can be improved.
Owner:SUZHOU INNOTION TECH
Design device of controller
InactiveCN1327551AApplicable designControllers with particular characteristicsAdaptive controlDesign controlComputer science
A design device for designing a controller according to H infinite (H∞) logic, wherein the formula of the generalized device and the formula of the control object model as a part of the generalized device are stored in the memory unit 3; A frequency response calculation unit 4 for calculating the frequency response of the control object model and an adjustment matrix calculation unit 5 for calculating the adjustment matrix T according to the frequency response of the control object model, so that the gains of the control object model are consistent, a controller calculation unit 6, through The tuning matrix T is applied to the generalization means to calculate the parameters of a controller.
Owner:YAMATAKE HONEYWELL CO LTD
Planetary swingby trajectory assessment method for deep space probe
InactiveCN107944084AAccurate assessmentImprove evaluation efficiencyDesign optimisation/simulationSpecial data processing applicationsDelta-vSpace probe
The invention provides a planetary swingby trajectory assessment method for a deep space probe, and solves the problems of low assessment precision and low assessment efficiency of an existing planetary swingby trajectory assessment method. The method comprises the following steps of 1, generating optimal planetary swingby trajectory sample data; 2, building a mapping model of an optimal planetaryswingby trajectory performance index and a target trajectory parameter; and 3, performing assessment on planetary swingby trajectory performance by utilizing the mapping model: according to a trajectory number P of a to-be-assessed detection target of a given task, calculating the optimal planetary swingby trajectory performance index delta V* required for rendezvous of the probe and the detection target by utilizing the mapping model obtained in the step 2, thereby realizing optimal planetary swingby trajectory assessment for the to-be-assessed detection target.
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY
Direct current resisting transformer based on composite magnetic core and manufacturing method thereof
InactiveCN102426909AMake up for major technical defects that cannot be measured correctlyAccurate measurementTransformersTransformers/inductances magnetic coresDc currentProcess engineering
The invention discloses a direct current resisting transformer based on a composite magnetic core and a manufacturing method thereof. The manufacturing method is based on the error theory of the transformer and the characteristics that an iron-based amorphous material has the magnetic inductivity slighter inferior to that of an ultra-crystallite magnetic core but has a large saturated magnetic induction coefficient. When the detected current contains a direct current component, a saturated principle is not easily generated; the ultra-crystallite magnetic core (1) of a traditional current transformer is superposed with an iron-based amorphous magnetic core (2) according to the proportion, so that an electric energy in a semi-wave direct current load state can be accurately metered and the error rate is less than 1 percent; and meanwhile, technical requirements of related rules are met. The direct current resisting transformer disclosed by the invention has strong operability; and the ultra-crystallite magnetic core of the traditional current transformer is superposed with the iron-based amorphous magnetic core to form the composite magnetic core. The direct current resisting transformer has the advantages of no change of a winding technology, a pouring technology and a mounting mode of the traditional current transformer, convenience in replacement, and the like, and is suitable for designing and manufacturing the direct current resisting transformer.
Owner:ELECTRIC POWER RES INST STATE GRID JIANGXI ELECTRIC POWER CO +1
Tunnel emergency intelligent drainage system with cleaning function under high-water-pressure fracture zone
The invention provides an emergency intelligent drainage system and particularly provides a tunnel emergency intelligent drainage system with the cleaning function under a high-water-pressure fracture zone. All annular drainage pipes are connected through standby longitudinal connecting pipes, and an emergency drainage net is formed, can automatically adjust the drainage amount according to the external water pressure of a lining under the condition of the high-water-pressure fracture zone and has the pipeline cleaning function. The emergency intelligent drainage system comprises the drainage net, and the drainage net comprises a plurality of annular drainage pipes which are mutually spaced and are connected through longitudinal blind pipes at the arch bottom. The system is characterized by further comprising the drainage net and water-permeable geotechnical cloth, and the drainage net further comprises waist longitudinal connecting pipes, longitudinal intersecting connecting pipes and water pressure control valves.
Owner:TONGJI UNIV +1
High-bandwidth transimpedance amplifier suitable for low noise and wide dynamic range
PendingCN109120232AImprove stabilityChange the position of the extremumAmplifier modifications to reduce noise influenceGain controlLow noiseManufacturing technology
The invention relates to the electronic field and discloses a high-bandwidth transimpedance amplifier suitable for a low noise and a wide dynamic range. The amplifier comprises a variable gain amplification circuit and a variable feedback resistor which form multistage cascade. The variable gain amplification circuit can provide a high gain and simultaneously effectively solves a loop stability problem brought by the wide dynamic range through the tenability of the gain. The amplification circuit adopts the input structure of a common source structure so as to effectively restrain the influence of a rear-grade circuit noise. In addition, a transimpedance amplifier structure is suitable for various manufacturing technologies and is also suitable for the design of an optical-communication front-end transimpedance amplifier.
Owner:JOYWELL SEMICON (SHANGHAI) CO LTD
Multi-dimension design method of relational database
InactiveCN102609504ARun fastLong runSpecial data processing applicationsMass storageRelational database
The invention discloses a multi-dimension design method of a relational database, wherein the relational database is provided; and the method comprises the steps of performing the analysis of data latitude: performing the analysis design on dimensions of time, belonging, business, state and sequence of data in the relational database; and establishing a latitude mode of the data: establishing a time latitude mode, a belonging latitude mode, a business latitude mode, a state latitude mode and a sequence latitude mode through the analysis design to the dimensions so as to form a multi-dimension database. Compared with the existing relational database, the method provided by the invention is applicable to the design of various database systems using the relational database; the operation speed of a relational database system is increased; the long-term rapid operation of the database system is ensured; the mass storage and the real time access of the database system are realized within a containable range of a storage device; and the requirement of the database system to hardware and the operation cost are reduced.
Owner:CHENGDU CHENGDIAN YIXING DIGITAL HEALTH SOFTWARE CO LTD
Circuit board with double-sided universal circuit layout and layout method thereof
InactiveCN102548190AApplicable designPrinted circuit manufactureProgrammable/customizable/modifiable circuitsElectronic componentElectrical network
A circuit board with double-sided universal circuit layout for laying out electronic components has a first side with a first circuit layout thereon and an opposing second side with a second circuit layout thereon; hence, the first circuit layout and the second circuit layout are disposed on the opposing sides of the circuit board, respectively. The first circuit layout and the second circuit layout feature electronic circuits having the same function, thereby allowing users to selectively install the electronic components at one of the first circuit layout and the second circuit layout as needed and still have access to the electronic circuits having the same function. A layout method for use with the circuit board with double-sided universal circuit layout is further introduced.
Owner:ASKEY COMP
Bidirectional silicon-controlled rectifier and preparation method thereof
PendingCN111403382AIncrease the trigger voltageApplicable designTransistorSolid-state devicesSilicon-controlled rectifierSilicon
The invention discloses a bidirectional silicon controlled rectifier and a preparation method thereof. Actually, the structure of the cathode of the original unidirectional silicon-controlled rectifier without the hysteresis effect is completely removed, and then the two structures for the original unidirectional silicon-controlled rectifier without the hysteresis effect are connected in a left-and-right symmetric manner; the bidirectional silicon-controlled rectifier provided by the invention is a bidirectional device, and can be simultaneously suitable for the design of an anti-static protection circuit of positive and negative high-voltage IO ports. Besides, the trigger voltage of the hysteresis effect of the bidirectional silicon-controlled rectifier can be adjusted by adjusting the second distance, and compared with a silicon-controlled rectifier without the hysteresis effect in the prior art, the bidirectional silicon-controlled rectifier provided by the invention has higher trigger voltage.
Owner:SHANGHAI HUALI MICROELECTRONICS CORP
3D camera simulation debugging equipment
ActiveCN111043460AApplicable designLow costStands/trestlesSteroscopic systemsErbium lasersMechanical engineering
The invention discloses 3D camera simulation debugging equipment. The 3D camera simulation debugging equipment comprises a support, a first Y-direction coarse adjustment mechanism, a second Y-direction coarse adjustment mechanism and a detection platform installed on the support; the first Y-direction coarse adjustment mechanism comprises a first sliding seat and a first elastic structure; the first sliding seat can be mounted on the support in a manner of moving relative to the support in the Y direction; a first graduated scale is arranged on the support; a first indicating arrow pointing tothe graduated scale is mounted on the first sliding seat, and a laser mounting seat for mounting a laser is fixed on the first sliding seat; the second Y-direction coarse adjustment mechanism comprises a second sliding seat and a second elastic structure; the second sliding seat can be mounted on the support in a manner of moving relative to the support in the Y direction; the support is providedwith a second graduated scale; and the second sliding seat is provided with a second indicating arrow pointing to the second graduated scale and a camera mounting seat for mounting a camera module. According to the 3D camera simulation debugging equipment, multi-dimensional adjustment of the relative positions of the laser and the camera module in the Y direction can be realized so as to be suitable for the design of various 3D cameras.
Owner:GUANGZHOU RUISONG INTELLIGENT TECH CO LTD
Marine fuel cell power supply system and fuel cell ship
PendingCN113783227AIncreased power volume densityImprove cleanlinessDc network circuit arrangementsPropulsion based emission reductionAir filterAir compressor
The invention relates to a marine fuel cell power supply system and a fuel cell ship. The marine fuel cell power supply system comprises a gas source, an air compressor, an air filter, a modular fuel cell assembly, a heat exchange device, a power distribution system and a control system, wherein the gas source arranged above a deck; the air compressor is arranged below the deck; the air filter is connected with an air inlet of the air compressor; the fuel gas input end of the modular fuel cell assembly is connected with the gas source, and the air input end of the modular fuel cell assembly is connected with an air outlet of the air compressor; the heat exchange device is arranged at the bottom of a cabin and is connected with a cooling pipe system in the modular fuel cell assembly; the power distribution system is connected with the power output end of the modular fuel cell assembly; and the control system is arranged in a control room and is connected with the power distribution system and the modular fuel cell assembly respectively. According to the invention, the power density is improved by adopting the modular design, the marine fuel cell power supply system can be applied to a relatively large ship, and integrated installation is not needed after the modular design is adopted, so that the installation of the ship fuel cell power supply system is more flexible, and the space in the ship can be better utilized for arrangement.
Owner:深圳市氢蓝时代动力科技有限公司
Temporary support device for fault fracture zone mountain tunnel steel arch
PendingCN107956492ALimit side to side swingReasonable forceUnderground chambersTunnel liningFracture zoneMechanical equipment
The invention provides a temporary support device for a fault fracture zone mountain tunnel steel arch, and belongs to the technical field of tunnel structure safety. The supporting device comprises two end part fixing devices, a flexible supporting rod, and a control box; both ends of the flexible supporting rod are connected with one end part fixing device respectively, and the middle part of the flexible supporting rod is provided with the control box. The flexible supporting rod is used for adjusting the dimension of the whole supporting device, and controlling the distance between two endpart fixing devices, thus the two end part fixing devices are located at left and right sides of the cross section of a tunnel; the control box is used for slightly adjusting the length of the flexible supporting rod. The temporary support device is mainly applicable to a lining supporting device at the fault fracture zone of a mountain tunnel, and slightly adjust according to the stress and deformation feature change of the steel arch, thus the steel arch is reasonable in stress; the connection between the end part fixing devices and the steel arch is convenient and fast for not requiring complex fixing procedures; moreover, the temporary support device is convenient to mount and dismount, and access of the vehicle and other mechanical devices is not influenced.
Owner:TONGJI UNIV +1
Flexible silver oxide electrode, manufacturing method and application
PendingCN113380974AReduce pollutionSimple processDeferred-action cellsElectrode carriers/collectorsSilver electrodePyrrolidinones
The invention provides a flexible silver oxide electrode, a manufacturing method and application. The manufacturing method comprises the following steps: 1, weighing a solute polyvinylidene fluoride (PVDF) and a solvent N-methyl pyrrolidone (NMP) according to a ratio, and preparing a binder; 2, weighing silver oxide powder, and adding the silver oxide powder into the binder according to a specified proportion to prepare silver oxide slurry; and 3, coating a silver foil serving as a current collector with the silver oxide slurry, drying, and cutting to prepare the flexible silver oxide electrode. According to the manufacturing method, the flexible silver oxide electrode which is high in flexibility, thin and free of formation can be manufactured, the flexible silver oxide electrode is very suitable for being used as the positive electrode of a power type and special-shaped structure zinc-silver reserve battery, and the positive electrode design of the zinc-silver reserve battery for a new generation of weapons is facilitated.
Owner:SHANGHAI INST OF SPACE POWER SOURCES
Anchorage design and construction method
ActiveCN113123233AApplicable designApplicable constructionSuspension bridgeBridge structural detailsArchitectural engineeringStructural engineering
The invention discloses an anchorage design and construction method which is characterized in that an original permanent structure pile foundation of a bridge is utilized for design, pile foundations are additionally arranged at anchorage positions at the two sides of the bridge, then concrete bearing platforms are poured at the tops of the newly-added structure pile foundations and the permanent structure pile foundations, the pile foundations are embedded into the bearing platforms, the front bearing platform and the rear bearing platform are connected through a straining beam, a main cable passes through the anchorage through the embedded conduit by using the temporary zipper and is anchored on the rear anchor surface, and the anchorage is used for resisting the pulling force of the main cable. The anchorage is arranged in the mode that the permanent and temporary combined pile group foundation and the bearing platform are combined, a conventional gravity type anchorage is replaced, stress is clear, construction is convenient, the manufacturing cost is low, and development of the bridge industry can be promoted.
Owner:CHINA COMM 2ND NAVIGATIONAL BUREAU 2ND ENG +1
Sensor of oil burning pump
InactiveCN107976231ASolve the need for accurate displayApplicable designLevel indicators by floatsElectricityFuel tank
The invention discloses a sensor of an oil burning pump. The sensor comprises a shell and a floater rod component which is hinged to the shell, a first resistance sheet and a second resistance sheet are arranged on the shell, are in parallel connection with each other and then are electrically connected with an input lead, an electric connection end of the floater rod component is provided with afirst reed which is used for being in contact with the first resistance sheet and a second reed which is used for being in contact with the second resistance sheet, and the first reed and the second reed are in parallel connection with each other and then are electrically connected with an output lead. Compared with the prior art, the sensor of the oil burning pump has the advantages that the tworesistance sheets and the two reeds are arranged, under the situation that the height difference of the upper surface and the lower surface of the inner side of an oil tank and the rotation radius ofthe floater rod component are fixed, the number of resistance values which can be provided by the sensor of the oil burning pump is far higher than that of resistance values provided by a sensor of atraditional oil burning pump, and the sensor of the oil burning pump is extremely suitable for design of a flat oil tank sensor and has a great advantage in meeting the demand of a meter for precise display.
Owner:ANHUI JIANGHUAI AUTOMOBILE GRP CORP LTD
Gas turbine and aircraft engine combustor tail cylinder structure
InactiveCN107178792ASimple moldingLow manufacturing costContinuous combustion chamberGas turbinesAviation
The invention discloses a gas turbine and aircraft engine combustor tail cylinder structure. The structure comprises a support ring, a tail cylinder body and an outlet flange; the support ring is mounted at the front end of the tail cylinder body; and the outlet flange is mounted at the back end of the tail cylinder body. The structure is characterized in that the tail cylinder body is formed by connecting multiple sections of high-temperature alloys with different high-temperature resisting performances; and according to the metal temperature distribution tendency, the part with higher temperature is a material with higher high-temperature resisting performance, and the part with lower temperature is a material with weaker high-temperature resisting performance. The structure not only can exert the mechanical performances of the materials to the greatest extent, but also can greatly reduce the tail cylinder production cost, and in particular, is suitable for design of traditional gas turbine (aircraft engine) combustor tail cylinders with higher temperature.
Owner:DONGFANG TURBINE CO LTD
A kind of aircraft herbst maneuver control method
InactiveCN106707759BWell formedEasy to implementAdaptive controlAnalytical expressionsControl theory
The invention provides an airplane Herbst maneuvering control method, and the method is based on a dynamic reverse idea. A designed controller comprises an outer ring flight path controller and an inner ring posture controller. The outer ring flight path controller calculates an attack angle instruction, a sideslip angle instruction, an instruction of a roll angle about the velocity vector and an engine thrust instruction for controlling the velocity of an airplane for achieving the set maneuvering light path. The inner ring posture controller controls the attack angle, the sideslip angle and the roll angle about the velocity vector through operating a pneumatic control plane of the airplane and a thrust vector. The method obtains an analytical expression of the outer ring flight path controller, wherein an attack angle instruction controller has an I controller form in a PID controller, and avoids the complex numerical calculation. Meanwhile, the method can adjust the solving precision of the control instruction, and is more suitable for the design of an airplane Herbst maneuvering controller in the engineering field.
Owner:CALCULATION AERODYNAMICS INST CHINA AERODYNAMICS RES & DEV CENT
Vacuum heat insulation cover plate for granulation template
The invention relates to an underwater granulator granulation template, in particular to a vacuum heat insulation cover plate for the granulation template. The vacuum heat insulation cover plate provided by the invention is arranged on the surfaces of an inner ring and an outer ring of the granulation template to be capable of insulating heat conduction, convection and radiation in these portions,the heat-preservation and heat-insulation performance of the portions is improved, the transmitting speed of temperature dropping generated by inner ring and outer ring areas under the action of cooling water towards the edge of a template granulation band is reduced, the temperature difference between the edge of the template granulation band and the central portion is reduced, and the granulation quality is improved. The vacuum heat insulation cover plate for the granulation template comprises a lower cover plate, a middle support grid plate, an upper cover plate and a high-temperature resistant heat insulation coating. According to the vacuum heat insulation cover plate for the granulation template, a main body area of the vacuum heat insulation cover plate is provided with a pluralityof independent vacuum cavities which do not communicate with each other, the inner side of the lower cover plate is provided with the high-temperature resistant heat insulation coating, and the outward convection, conduction and radiation loss of internal heat of the granulation template is insulated.
Owner:大连市锐耐特刀具有限公司
Side surface protection device for blocked pressure gauge
InactiveCN112012719ASolve difficulties that cannot be repaired aloneSimple structureSurveyConstructionsEngineeringCircular cavity
The invention discloses a side surface protection device for a blocked pressure gauge. The side surface protection device comprises an instrument body (1). The instrument body (1) is provided with a circular cavity (3) for placing a pressure sensor (2). A protective cover plate (4) is arranged on the top of the circular cavity (3). A cover plate groove (5) corresponding to the protective cover plate (4) in shape is formed in an opening of the circular cavity (3). A blind hole (6) is formed in one end of the protective cover plate (4), and a spring (7) and a limiting pin (8) are arranged in theblind hole (6). A limiting pin groove (9) is formed in the position corresponding to the limiting pin (8) of the instrument body (1). According to the side surface protection device for the blocked pressure gauge, a welding structure is not adopted any more in the protection structure of a side sensor of the blocked pressure gauge, repeated mounting and dismounting can be achieved, and the problem that the sensor at the position cannot be independently maintained is solved. In addition, the side surface protection device for the blocked pressure gauge has the advantages of being simple in structure and convenient to install and use, and is particularly suitable for design and use of an oil field blocked pressure gauge.
Owner:贵州航天凯山石油仪器有限公司
An ultra-agile vibration-free space observation system and its method
ActiveCN104648700BApplicable designQuick responseCosmonautic vehiclesCosmonautic partsAttitude controlEngineering
The invention relates to a super-agility no-vibration space observation system and method. According to the system and the method, by virtue of an isotropic satellite system overall design, accurate orientation switch and the fast response of multiple scattered targets can be completed through adjusting states of system surface units, so that the flexibility and the observation efficiency are extremely high, and the insufficiency of maneuvering capability and observation efficiency of the current space observation systems can be made up; the thought of the integration of heaven and earth is adopted, and the traditional attitude control is replaced with attitude measurement and determination by virtue of a proposed satellite overall framework, so that micro vibration and the like resulting from control on an execution component are avoided. The super-agility no-vibration space observation system can be applied to the overall design of ultrahigh-precision optical satellites in the future.
Owner:BEIJING INST OF SPACECRAFT SYST ENG
A kind of igbt chip variable gate internal resistance and its design method
ActiveCN102842606BEasy to implementHigh feasibilitySemiconductor/solid-state device manufacturingSemiconductor devicesElectrical resistance and conductanceInternal resistance
Owner:CHINA ELECTRIC POWER RES INST +1
Radio-frequency power amplifier circuit with adjustable predistortion function
ActiveCN101888215BReduce positive phase offsetModulation Feedback StrengthAmplifier modifications to reduce non-linear distortionPower amplifiersNegative feedbackAudio power amplifier
Owner:SUZHOU INNOTION TECH
A Reconfigurable Architecture Platform Design Method for Image Processing
ActiveCN104112053BApplicable designVersatilitySpecial data processing applicationsComputer architectureImaging processing
The invention discloses an image processing-oriented reconfigurable architecture platform design method. The design method first analyzes and summarizes the various operation types of commonly used complex algorithms. Secondly, the image algorithm processing flow is divided into software and hardware under the reconfigurable architecture. Then, the reconfigurable unit design and implementation of multi-type image algorithm operation types are carried out, and on this basis, the scheme design and technical implementation of the general complex algorithm global interconnection architecture are carried out. Finally, based on this architecture, the design and implementation of a general convolution operation IP core is carried out.
Owner:TIANJIN JINHANG COMP TECH RES INST
A method for reading nand Flash parameters
ActiveCN105280240BRealize automatic identification functionApplicable designStatic storageValue setComputer engineering
The invention relates to a Nand Flash parameter reading method. The method includes the following steps that a Nand Flash reading command is sent, and a first section of Nand Flash parameters in multiple sections of Nand Flash parameters are read, wherein each section of Nand Flash parameters includes a first part of data and a second part of data; the first part of data are verified for the first time, and if verified to be corrected in the first time of verification, the first part of data continue to be verified for the second time; if the first part of data are verified to be corrected in the second time of verification, values of parameters in the first part of data are compared with values set by a program; if the values of the parameters in the first part of data and the values set by the program are the same, it is determined that Nand Flash parameter reading succeeds. Through the method, automatic identification of Nand Flash parameters is achieved without adding memorizers or increasing cost.
Owner:TANGRAM MICROELECTRONICS TECH SHANGHAI CO LTD
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 Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com