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.
32results about How to "The same time" 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
Controlling device and method
ActiveCN102880201AThe same timeSemiconductor/solid-state device manufacturingTemperature control using electric meansLimit valueSet point
A controlling device comprises: a temperature ramp-up time estimating portion for estimating a required temperature ramp-up time for the controlled quantity in each individual control loop to reach a set point when the operating quantity output upper limit value of each individual control loop has been sent to a specified output upper limit value; a required output estimating portion for estimating, for each individual control loop, a required operating quantity output for the controlled quantity to reach the set point within the temperature ramp-up time; an output upper limit value setting portion for setting, temporarily, the operating quantity output as the operating quantity output upper limit value of the individual control loop; and a controlling portion that is provided for each individual control loop.
Owner:YAMATAKE HONEYWELL CO LTD
Task allocation method and apparatus
InactiveCN106372830AThe same timeImprove equalization performanceLogisticsDelivery vehicleReal-time computing
The invention provides a task allocation method and apparatus. The task allocation method comprises the steps of determining a delivery region; establishing a directed connection relationship by taking a delivery center in the delivery region as a starting point, wherein the directed connection relationship connects parking points of the delivery region in sequence; determining a total delivery task quantity of the delivery region according to the directed connection relationship; obtaining a total quantity of delivery vehicles of the delivery region; and determining an average task quantity of each delivery vehicle according to the total delivery task quantity and the total quantity of the delivery vehicles. According to the method and the apparatus, the balance of task allocation can be improved.
Owner:INSPUR SOFTWARE CO LTD
Method and device for cleaning wafer
InactiveCN102148131ASame flow rateThe same timeSemiconductor/solid-state device manufacturingCleaning using liquidsEngineeringSet point
The invention discloses a method and a device for cleaning wafers. The method for cleaning wafers comprises the following steps: providing a platform for bearing and rotating a wafer, wherein the wafer is provided with a surface to be cleaned; arranging a nozzle above the wafer for spraying cleanout fluid on the surface to be cleaned; then cleaning: rotating the wafer; and moving the nozzle at non-constant velocity to a second set point from a first set point on the surface to be cleaned so that the time the first set point exposes to the cleanout fluid is same with the time the second set point exposes to the cleanout fluid. In addition, the nozzle moves slowly when close to the edge of the wafer, and moves faster when close to the centre of a circle of the wafer.
Owner:UNITED MICROELECTRONICS CORP
Control method of heat pump water heater and control device thereof
The invention relates to a control method of a heat pump water heater and a control device thereof. According to the method, firstly, the environment temperature Te of the located environment of an outdoor unit of the heat pump water heater is detected; then, the practical heat generating quantity Q (Te) of the heat pump water heater is calculated according to the environment temperature Te; the rated heat generating quantity Q0 of the heat pump water heater and the rated frequency f0 of a compressor are obtained; then, the operation frequency f of the heat pump water heater is calculated in accordance with the proportion relationship of the practical heat generating quantity Q(Te) and the rated heat generating quantity Q0 according to the rated frequency f0; finally, the compressor of the heat pump water heater is driven to work at the operation frequency f. The heat pump water heater has the advantages that the work frequency of a variable-frequency compressor is regulated, so that the time of the heat pump water heater for reaching the rated heat generating quantity Q0 at different environment temperatures is identical; the condition that the hot water waiting time of a user in different seasons is different is avoided; the efficiency of the heat pump water heater is improved.
Owner:QINGDAO HAIER NEW ENERGY ELECTRIC APPLIANCE
Droplet evaporation and combustion device with observation and shooting convenience and experimental method
ActiveCN108828130AThe same timeGuaranteed accuracyChemical analysis using combustionMaterial thermal analysisExperimental methodsEngineering
The invention discloses a droplet evaporation and combustion device with observation and shooting convenience and an experimental method and belongs to the technical field of combustion experimental devices. The device comprises a sealing device, a gas supply mechanism, an ignition mechanism and a thermocouple propulsion mechanism. The gas supply mechanism provides gas for the sealing device. Theignition mechanism is used for ignition of fuel. The thermocouple propulsion mechanism comprises a thermocouple, a pushing trolley and a driving mechanism. The thermocouple is mounted on the pushing trolley. A sensing end of the thermocouple stretches out of the pushing trolley. The driving mechanism is connected to the pushing trolley and is used for driving and controlling the motion of the pushing trolley. The device is suitable for studying droplet evaporation or flame change during evaporation or combustion of droplets. The device has a simple overall structure, is easy to operate, produces small experimental result errors and produces accurate and reliable results.
Owner:ANHUI UNIVERSITY OF TECHNOLOGY
Data balancing method and storage device
InactiveCN107783720AImprove the speed of responding to IO requestsHigh speedInput/output to record carriersData balancingData migration
The invention discloses a data balancing method. The method comprises the following steps: respectively counting hot data volumes of all disks in the storage device and determining hot data balance values of all disks; and migrating hot data in a first category of disks into a second category of disks till the difference value between the hot data volume of each disk in the storage device and hotdata balance value is less than first pre-set threshold value. The invention further provides a storage device capable of achieving the data balancing method. The problem that non-uniform IO requestsare hosted by the disks is resolved. Therefore, time spent on processing the IO requests by all the disks is the basically the same. The storage device responses more quickly to the IO requests.
Owner:SANGFOR TECH INC
Method for simultaneous channel estimation of multiplied sampling rate data flow
ActiveCN103532885AEasy to handleEasy to operateBaseband system detailsTransmission path multiple useTime domainData stream
The invention relates to a method for the simultaneous channel estimation of a multiplied sampling rate data flow. The method comprises the steps of (1) extracting pilot frequency time domain data, for channel estimation, at the pilot frequency position from the data flow and converting the pilot frequency time domain data to the frequency domain to obtain the receiving multiplied sampling rate frequency domain pilot frequency; (2), padding N zeros after each number of the locally stored time domain pilot frequency signal and converting the zero-padded local pilot frequency into the frequency domain pilot frequency to obtain the locally zero-padded frequency domain pilot frequency; (3), performing point-division on the locally zero-padded frequency domain pilot frequency according to the receiving multiplied rate frequency domain pilot frequency and obtaining the channel estimation result on the frequency domain; (4), converting the channel estimation result on the frequency domain to the time domain, extracting the time domain channel estimation result of each path of data at corresponding positions, and obtaining multiple paths of time domain channel estimation results; (5) obtaining the optimal path of channel estimation according to the comparing result of the multiple paths of time domain channel estimation results. According to the method for the simultaneous channel estimation of the multiplied sampling rate data flow, the operation can be simplified, the complexity can be reduced, power can be saved and the performance of the method is same as that obtained by performing single channel estimation of each path.
Owner:RUN TECH CO LTD BEIJING
Automobile part grinding device
InactiveCN110405604AAchieve supportThe same timeRevolution surface grinding machinesGrinding drivesEngineeringMechanical engineering
The invention discloses an automobile part grinding device. The automobile part grinding device comprises an inverted-L-shaped supporting plate and a motor fixed to the supporting plate. The supporting plate is internally provided with an inverted-L-shaped mounting cavity. The output end of the motor penetrates through the sidewall of the supporting plate to extend into the mounting cavity and befixedly connected with a first gear. The first gear is rotatably connected with a grinding mechanism. The output end of the motor is fixedly connected with a first bevel gear. The first bevel gear isrotatably connected with a transmission mechanism. The transmission mechanism is connected with a fixing mechanism. When the automobile part grinding device conducts grinding on a contact surface of ahub, the hub is placed on a rotary block, the distance between an upper abutting plate and a lower abutting plate in a mounting groove is adjusted by controlling rotation of a threaded rod and a threaded column to conduct supporting on the hub to be machined. The automobile part grinding device drives the hub to regularly rotate through a second bevel gear rotatably connected with the motor, an incomplete gear, a transmission gear, a third gear and a rotary shaft and ensures that the hub rotating time is equal.
Owner:YANCHENG GAOYUE MACHINERY
Ring oscillation integration circuit used for multi-channel time measurement
ActiveCN107944073ASmall and uniform signal delay timeImprove time measurement accuracyCAD circuit designSpecial data processing applicationsHorizontal axisEngineering
The invention discloses a ring oscillation integration circuit used for multi-channel time measurement. Ring oscillation units are arranged in an upper line and a lower line along the lateral direction of a layout coordinate system, wherein the delay circuits of the upper line of the ring oscillation units are positioned on the bottoms of the ring oscillation units and are in sequential cascade connection along the positive direction of the horizontal axis of the layout coordinate system; the delay circuits of the lower line of the ring oscillation units are positioned on the tops of the ringoscillation units and are in sequential cascade connection along the negative direction of the horizontal axis of the layout coordinate system; the delay circuits of all ring oscillation units form anend-to-end delay chain; signal delay time between the delay circuits of two adjacent ring oscillation units is equal; an externally-input tested signal start is transmitted in the annular delay chain; and under the driving of a sampling control signal, the ring oscillation units collect the states of the output ends of the delay circuits of the ring oscillation units in parallel to realize multichannel time measurement for the same signal. By use of the ring oscillation circuit, the linearity of a measurement result can be improved, measurement errors are reduced, and the area use ratio of achip is improved.
Owner:BEIJING MXTRONICS CORP +1
Neural network distributed training method for dynamically adjusting Batch-size
ActiveCN111507474AImprove distributed training efficiencyThe same timeCharacter and pattern recognitionNeural architecturesLoad balancing (computing)Real-time computing
The invention discloses a neural network distributed training method capable of dynamically adjusting Batch-size. The neural network distributed training method relates to the technical field of distributed training of computer neural networks, and dynamically adjusts the Batch-size and divides subdata sets according to computing power of each computing node in a distributed cluster from the perspective of processing a training data set. Therefore, load balancing processing of the distributed training cluster is realized. According to the distributed neural network training method for dynamically adjusting the Batch-size, the computing power of each computing node can be fully utilized, and the time for each computing node to complete local data set training can further be ensured to be approximately the same, thereby reducing the synchronization overhead of the cluster, improving the distributed training efficiency of the neural network and shortening the neural network training time.
Owner:SICHUAN UNIV
Lifting device for control engineering
The invention provides a lifting device for control engineering. The lifting device comprises a base, a lifting mechanism, first plate body, a translation mechanism, a second plate body, a shell body,a intermittent rotating mechanism, and a workbench; the fixed end of the lifting mechanism is fixed to the upper surface of the base; the first plate body is connected with the output end of the lifting mechanism, and the lifting mechanism drives the first plate body to ascend and descend relative to the base; the fixed end of the translation mechanism is fixed to the first plate body; the secondplate body is connected with the output end of the translation mechanism, and the translation mechanism drives the second plate body to slide leftwards and rightwards along the first plate body; theshell body is fixed to the upper surface of the second plate body; the intermittent rotating mechanism is integrally located in the shell body, and the fixed end of the intermittent rotating mechanismis connected with the shell body; and control engineering equipment is arranged on the upper surface of the workbench and located above the shell body, and the output end of the intermittent rotatingmechanism is fixedly connected with the workbench. According to the lifting device for the control engineering, the control engineering equipment can be stably driven to ascend and descend, meanwhile, the control engineering equipment can be driven to horizontally move and intermittently rotate, and the control engineering equipment can meet the using requirements of multi-station workers.
Owner:JIANGSU SECURITY TECH CARRER ACADEMY
Wet-method etching device for oxide film
InactiveCN101404303ACancel waiting timeIncrease productivityFinal product manufactureSemiconductor/solid-state device manufacturingEtchingStaying time
The invention discloses a wet etching device for an oxide thin film. The wet etching device comprises an etching groove and a carrier for containing a thin film substrate,; the bottom of the etching groove takes an arc shape; the bottom of the carrier is equipped with a wheel, the etching groove is internally equipped with an orbit, the wheel enters in and out of the etching groove along the orbit, a cover plate is arranged on the etching groove, and the cover plate does not interfere with the carrier to enter in and out of the etching groove. The device further comprises a control unit for controlling the motion of the carrier, and a substrate clamp is arranged on the carrier to fix the thin film substrate. The flow line production design idea of the motion of the carrier in the etching groove ensures the equal stay time of each thin film substrate in an acid liquor tank and the small variation range of the concentration of the acid liquor, increases the utilization rate of the acid liquor, enhances quality of the product and speeds up the production efficiency.
Owner:上海拓引数码技术有限公司
Camera intelligent control system applied to server cabinet
InactiveCN110769160AThe same timeMeet the shooting spaceTelevision system detailsColor television detailsComputer hardwareControl circuit
The invention discloses a camera intelligent control system applied to a server cabinet, relates to artificial intelligence control of a cabinet, and aims to solve the problem that the existing cameratiming turn-on mode cannot ensure that the turn-on time of a camera is the same as the operation time of an operator. According to the intelligent control circuit, intelligent control of opening thecabinet door of the server cabinet, starting shooting by the camera, closing the cabinet door of the server cabinet and stopping shooting by the camera is realized; and the telescopic device is additionally arranged, so that when the cabinet door of the server cabinet is closed, it is ensured that the camera is located in the cabinet body of the server cabinet; and when the cabinet door of the server cabinet is opened, it is ensured that the camera extends out of the cabinet body of the server cabinet. The camera intelligent control system has the advantages that it is guaranteed that the opening time of the camera is the same as the operation time of an operator, and the shooting space of the camera is met to the maximum extent.
Owner:黑龙江电力调度实业有限公司 +2
Flow-type electroporation device
PendingCN110872559ANovel structureHigh electrotransfection efficiencyStress based microorganism growth stimulationBiophysicsBiomedical engineering
The invention provides a flow-type electroporation device. The device includes a pipe body, a first electrode, a second electrode, a support for fixing the first electrode, and a support for fixing the second electrode; and the device is characterized in that pipe openings of two ends of the pipe body are provided with grooves, the support for fixing the first electrode and the support for fixingthe second electrode are respectively arranged in the grooves, the shapes of the first electrode and the second electrode are the same as the shape of the cross section of the middle part of the pipebody, the pipe body forms a cavity with the first electrode and the second electrode, a gap is arranged between the support for fixing the first electrode and the support for fixing the second electrode, and a liquid enters and / or flows out of the cavity through the gap. The flow-type electroporation device provided by the invention can form an electroporation only when the cavity is filled with the liquid, ensures the same time for the cell electroporation, and improves the cell processing capacity while improving the electroporation efficiency.
Owner:ETTA BIOTECH
A lifting device for control engineering
The invention provides a lifting device for control engineering, comprising: a base; a lifting mechanism, the fixed end of which is fixed on the upper surface of the base; a first plate connected to the output end of the lifting mechanism, and the lifting mechanism drives the first plate to The base rises and falls; the translation mechanism, whose fixed end is fixed on the first board; the second board, connected with the output end of the translation mechanism, and the translation mechanism drives the second board to slide left and right along the first board; the shell, fixed On the upper surface of the second plate body; the intermittent rotation mechanism is located inside the casing as a whole, and its fixed end is connected to the casing; the workbench, whose upper surface is provided with control engineering equipment, is located above the casing, and the output of the intermittent rotation mechanism The end is fixedly connected with the workbench; the invention provides a control engineering equipment that can not only smoothly drive the control engineering equipment up and down, but also drive its translation and intermittent rotation, so that the control engineering equipment can meet the needs of multi-station workers. lifting device.
Owner:JIANGSU SECURITY TECH CARRER ACADEMY
PVD coating method and PVD coating device
InactiveCN112281132AThe same timeImprove film thickness uniformityVacuum evaporation coatingSputtering coatingCoatingCeramic materials
The invention relates to a PVD coating method and a PVD coating device. According to the method, the coating time is controlled by controlling the number of rotating turns of coating workpieces in thecoating process. According to the method, due to the fact that the coating time is controlled by controlling the number of rotating turns of the coating workpieces in the coating process, it can be effectively guaranteed that the times for the coating workpieces to pass through a deposition source effective area within the deposition starting time are the same, and therefore the film thickness uniformity of a film layer in the circumferential direction of a rotating stand is improved.
Owner:VITALNK IND SHENZHEN
Street lamp device with automatic time setting function
PendingCN113669666AThe same timeMechanical apparatusElectrical apparatusEngineeringAlternating current
The invention relates to a street lamp device with an automatic time setting function, which structurally comprises a street lamp and a control element, the street lamp is electrically connected with a first power supply end of an alternating current power supply, the street lamp is provided with a lamp post, one end of the lamp post is provided with a light-emitting device, and the control element is electrically connected with the first power supply end and a second power supply end of the alternating current power supply. A third power supply end of the control element is electrically connected with the light-emitting device, the control element further comprises a radio wave element, the radio wave element is provided with an antenna, the radio wave element is electrically connected with a time control element in the control element, the radio wave element receives a signal of 30 KHz to 300 KHz through the antenna, and the time control element corrects a time according to the signal.
Owner:ORING IND NETWORKING CORP
Equipment for assisting in reading image
The invention discloses equipment for assisting in reading an image which comprises an upper shell and a lower shell, wherein the upper shell and the lower shell form an outer shell, the upper shell and the lower shell are connected together through four sets of limiting devices which are arranged in the outer shell in a bilateral symmetry mode, a power cavity is formed in the upper shell, a motoris fixedly arranged on the left wall of the power cavity, and a first rotating shaft is installed on the right side face of a motor. The equipment is simple, easy and convenient to use, influence onimage scanning caused by external environment factors such as illumination is avoided, it is guaranteed that the scanning time of each part of images is the same, later image processing is facilitated, a pawl and a ratchet bar can be adjusted within a certain length, and a scanner is suitable for scanning of the images of different sizes by being matched with photo frames of different specifications.
Owner:山东奥洛瑞医疗科技有限公司
Controlling device and method
ActiveCN102880201BThe same timeSemiconductor/solid-state device manufacturingTemperature control using electric meansLimit valueSet point
A controlling device comprises: a temperature ramp-up time estimating portion for estimating a required temperature ramp-up time for the controlled quantity in each individual control loop to reach a set point when the operating quantity output upper limit value of each individual control loop has been sent to a specified output upper limit value; a required output estimating portion for estimating, for each individual control loop, a required operating quantity output for the controlled quantity to reach the set point within the temperature ramp-up time; an output upper limit value setting portion for setting, temporarily, the operating quantity output as the operating quantity output upper limit value of the individual control loop; and a controlling portion that is provided for each individual control loop.
Owner:YAMATAKE HONEYWELL CO LTD
Shooting control method, system and computing equipment
ActiveCN111641779AImprove efficiencyConsistent imaging timeTelevision system detailsColor television detailsSimulationOperations research
The invention discloses a shooting control method, which comprises the following steps of: transmitting a shooting instruction to one or more shooting terminals, and receiving an equipment identifiercorresponding to each shooting terminal returned by the shooting terminal in response to the shooting instruction; determining shooting index values of the shooting terminals based on the equipment identifiers corresponding to the shooting terminals, and transmitting the shooting index values to the shooting terminals so as to set the shooting terminals based on the shooting index values; and transmitting predetermined shooting time to each shooting terminal, so that each shooting terminal requests to obtain the current time from a time server based on the predetermined shooting time, recordsthe response time of the time server, determines the shooting countdown based on the predetermined shooting time, the current time and the response time, and performs shooting based on the shooting countdown. The invention further discloses a corresponding shooting system and computing equipment. According to the shooting control method provided by the invention, the shooting terminals can be ensured to trigger shooting at the same time, and the time for generating the pictures by the shooting terminals is consistent.
Owner:CHEZHI HULIAN BEIJING SCI & TECH CO LTD
A detection device for the easy-cleaning performance of ceramics
ActiveCN103760326BNot easy to stickNot easy to disengageMaterial testing goodsAutomatic controlAutomated control system
The invention discloses a device for detecting easy-cleaning performance of ceramics. The detection device is characterized by comprising a device box body, an automatic water supplying and heat-preserving system, a water flushing pipeline system, an automatic oil dripping system, a sample table system, an automatic control system and a sewage treating system, wherein the device box body is partitioned into four parts; the automatic water supplying and heat-preserving system mainly comprises a water charging electromagnetic valve, a heating bar, a temperature measuring element and a circular water pump; the water flushing pipeline system comprises a water draining electromagnetic valve, an automatic control flow meter and a test punch; the automatic oil dripping system mainly comprises an injector, an automatic sample introduction device, a lead screw and an injector groove; the sample table system comprises a sample fixing fixture, a carrying control device, a movable guide rail and a movable guide rail groove; the automatic control system mainly comprises an electromagnetic valve time controller, a constant-temperature controller, an automatic flow meter controller, an automatic sample introduction device controller, a carrying device controller and a relevant computer program; the sewage treating system comprises a draining tube and a draining tank body.
Owner:HEBEI UNIV OF TECH
A shooting control method, system and computing device
ActiveCN111641779BImprove efficiencyConsistent imaging timeTelevision system detailsColor television detailsSimulationOperations research
Owner:CHEZHI HULIAN BEIJING SCI & TECH CO LTD
An auxiliary device for reading images
Owner:山东奥洛瑞医疗科技有限公司
Interactive tuning fork resonance device
PendingCN111564091AReduced work capacity requirementsIncrease tapping frequencyEducational modelsTuning forkSound wave
An interactive tuning fork resonance device comprises a tuning fork oscillation starting device, an outer ring part, a middle ring platform and an inner ring platform, and the outer ring part, the middle ring platform and the inner ring platform are coaxial and are each in an annular column shape. The tuning fork oscillation starting device comprises a central motion system, a connecting rod system and a tuning fork system. The central motion system is arranged at the axis. The connecting rod system comprises a plurality of groups of connecting rod devices with small knocking balls at the tailends. The tuning fork system comprises a plurality of middle ring tuning forks which are fixed on the middle ring platform and have different frequencies, ball pendulum mechanisms which are in one-to-one correspondence with the middle ring tuning forks, and a plurality of inner ring tuning forks fixed on the inner ring platform, and the frequencies covered by the inner ring tuning forks are the same as the frequencies covered by the middle ring tuning forks; the number of the inner ring tuning forks is smaller than that of the middle ring tuning forks, the knocking balls correspond to the inner ring tuning forks in a one-to-one mode, and the central motion system drives the knocking balls to knock the inner ring tuning forks through the connecting rod system. According to the invention, auser can actively explore and understand the principle of sound wave transmission and resonance.
Owner:TSINGHUA UNIV
Preheating device of round bar mold insert used for cast
InactiveCN102305547BTime period that does not generate gapsImprove continuityPreheating chargesRound barEngineering
The invention discloses a preheating device of a round bar mold insert used for cast. The preheating device comprises a heating mechanism and a support with an upper layer, a middle layer and a lower layer, wherein the heating mechanism is positioned on the lower layer of the support; the upper layer of the support is provided with an emptying chamber (11), the middle layer of the support is provided with an oblique blanking plate (16), and the upper end of the blanking plate (16) is connected with a blanking port (12) at the lower end of the emptying chamber (11); the lateral dimension of the blanking port (12) is greater than the diameter of a round bar mold insert (15) and less than the sum of the diameters of two round bar mold inserts (15), and the lower end of the blanking plate (16) is a taking material port; due to adopting the above structure, the aluminum bar mold insert with concurrent temperature can be continuously provided.
Owner:NINGBO HELI TECH CO LTD
A Distributed Training Method of Neural Networks with Dynamically Adjusting Batch-size
ActiveCN111507474BImprove distributed training efficiencyThe same timeCharacter and pattern recognitionNeural architecturesData setEngineering
Owner:SICHUAN UNIV
A Ring Oscillator Integrated Circuit for Multi-channel Time Measurement
ActiveCN107944073BSmall and uniform signal delay timeImprove time measurement accuracyCAD circuit designSpecial data processing applicationsControl signalSoftware engineering
The invention discloses a ring oscillation integration circuit used for multi-channel time measurement. Ring oscillation units are arranged in an upper line and a lower line along the lateral direction of a layout coordinate system, wherein the delay circuits of the upper line of the ring oscillation units are positioned on the bottoms of the ring oscillation units and are in sequential cascade connection along the positive direction of the horizontal axis of the layout coordinate system; the delay circuits of the lower line of the ring oscillation units are positioned on the tops of the ringoscillation units and are in sequential cascade connection along the negative direction of the horizontal axis of the layout coordinate system; the delay circuits of all ring oscillation units form anend-to-end delay chain; signal delay time between the delay circuits of two adjacent ring oscillation units is equal; an externally-input tested signal start is transmitted in the annular delay chain; and under the driving of a sampling control signal, the ring oscillation units collect the states of the output ends of the delay circuits of the ring oscillation units in parallel to realize multichannel time measurement for the same signal. By use of the ring oscillation circuit, the linearity of a measurement result can be improved, measurement errors are reduced, and the area use ratio of achip is improved.
Owner:BEIJING MXTRONICS CORP +1
A Method for Simultaneous Channel Estimation of Multiple Sampling Rate Data Streams
ActiveCN103532885BEasy to handleEasy to operateBaseband system detailsTransmission path multiple useTime domainData stream
Owner:RUN TECH CO LTD BEIJING
Environment-friendly auxiliary device capable of conveniently detecting color fastness of mobile phone shell
InactiveCN113109257AThe same timeAvoid different influences on test resultsUsing mechanical meansColor/spectral properties measurementsControl engineeringElectric shock
The invention relates to the technical field of mobile phone shell color firmness detection equipment, in particular to an environment-friendly auxiliary device convenient for mobile phone shell color firmness detection, which comprises a detection frame, a special-shaped driving shaft is rotatably connected in the detection frame, and the rear surface of the special-shaped driving shaft is movably connected with a friction assembly through a shaft. The lower surface of the special-shaped driving shaft is in engaged connection with an early warning assembly, a water tank is fixedly connected to the interior of the detection frame, and a fixing plate is fixedly connected to the interior of the water tank. A self-locking block is extruded by the interior of a driven gear to rotate forwards, so that an electric shock clamping pin at the upper end of a movable sliding plate moves along with the self-locking block; and when the electric shock bayonet lock is in contact with a power supply at the upper end, the equipment automatically stops working, and the number of turns of rotation of the special-shaped driving shaft is well and automatically controlled, so that the time for detecting the mobile phone shell by the equipment is the same. According to the scheme, the detection result of the equipment is prevented from being influenced by different friction amounts of the equipment on the mobile phone shell, so that the working efficiency of the equipment can be well improved, and the detection efficiency of the equipment is improved.
Owner:济南宇鲍贸易有限公司
Corrosion process for reducing thickness deviation value of damaged layer of wafer
InactiveCN112768347AReduce the thickness deviation valueImprove flatnessSemiconductor/solid-state device manufacturingEngineeringMechanical engineering
The invention provides a corrosion process for reducing the thickness deviation value of a damaged layer of a wafer. The process comprises the steps that: a plurality of wafers are made to synchronously enter a solution and are stably placed, and the V-shaped grooves of all the wafers face the same direction; the wafers are controlled to synchronously rotate (N+ 0.5) circles in the solution at a set rotating speed, wherein N is an integer greater than 1; and the wafers are extracted to leave the solution. The duration from a time point when the wafers enter the solution to a time point when the wafers are stably placed is the same as the duration from a time point when the still standing of the wafers is completed to a time point when the wafers are completely taken out of the solution. According to the corrosion process of the invention, the parts of the wafers, which firstly enter the solution in a groove body, firstly leave the solution, so that the difference value of the corrosion thicknesses of two sides of each wafer is reduced to the greatest extent, the uniformity and consistency of the corrosion thickness of the wafers are improved, a foundation is laid for obtaining qualified geometric parameters for subsequent polishing processing, and the production efficiency is improved.
Owner:TIANJIN ZHONGHUAN ADVANCED MATERIAL TECH +1
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