Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

2278 results about "Filter system" patented technology

Knowledge base and business system cooperation method under AI platform

The invention provides a knowledge base and business system collaboration method under an AI platform, and belongs to the technical field of AI platform digital data processing.The method includes the steps that triple semantic analysis is conducted on query by constructing a multi-level semantic vector representation module, a parallel data retrieval engine is started, vector retrieval, graph reasoning and real-time data pulling are executed at the same time, and the query efficiency is improved; establishing a dynamic confidence evaluation mechanism to evaluate the quality of the data source, executing a weight distribution algorithm based on reinforcement learning, dynamically calculating the weight of the data source according to a query type by adopting a graph convolutional network intelligent routing decision model, and implementing multi-source data fusion and consistency verification to solve data conflicts through a weighted voting mechanism. An intelligent result sorting and filtering system is established, a multi-dimensional evaluation strategy is adopted to output high-quality answers, a continuous learning and feedback optimization loop is constructed, system performance is continuously optimized through active learning and a graph shortest path algorithm, and the technical problem that knowledge base data and a service system cannot effectively and uniformly make decisions is solved.
Owner:青岛网信信息科技有限公司

Non-contact local curvature measurement method and system based on calculation metasurface

The invention discloses a non-contact local curvature measurement method and system based on a computational metasurface, and the method comprises the steps: S1, phase modulation: carrying out the phase modulation of an incident light field carrying the information of a to-be-measured object through an optical computational metasurface, so as to generate transverse displacement light field distribution related to the contour of the to-be-measured object; s2, signal extraction: separating and extracting a first-order differential signal carrying the edge information of the object to be measured by using a biorthogonal polarization filtering system; s3, reconstructing a three-dimensional shape: reconstructing the three-dimensional shape of the object to be measured according to the first-order differential signal; and S4, curvature calculation: calculating the curvature radius of any local part of the object to be measured according to the three-dimensional shape. The optical calculation metasurface is combined with a biorthogonal polarization filtering system, differential operation of a light field is achieved, the edge contour of an intensity object and the three-dimensional shape of a phase object can be obtained without difference, and therefore non-contact and high-precision measurement of the curvature of the object is achieved, the problem of physical damage of traditional contact type measurement is solved, and the measurement accuracy is improved. And the detection efficiency and adaptability are improved.
Owner:HUNAN UNIV

Regenerative media filter air scouring apparatus and method

A water filtration system is also disclosed. The water filtration system includes a regenerative media filter vessel, a filtrate line, a feed line, a recirculation line, a gas line, and at least one pump. A method of filtering water in a system comprising a regenerative media filter is disclosed. The method includes operating the system in a filtration mode, operating the system in a cleaning mode responsive to a differential pressure measurement across the regenerative media filter, operating the system in an aeration mode, operating the system in a pre-filtration mode after operating the system in the cleaning mode, operating the system in a drain mode, and operating the system in the filtration mode following the drain mode. A controller and non-transitory computer-readable medium having computer-readable signals stored thereon that define instructions that, as a result of being executed by the controller, instruct the controller to perform a method of operating a water filtration system are disclosed.
Owner:NEPTUNE BENSON INC

Intelligent self-adaptive silt filtering system and method for pumped storage power station

The invention discloses an intelligent self-adaptive silt filtering system and method for a pumped storage power station, and belongs to the technical field of pumped storage power stations. The system comprises a multi-parameter water quality monitoring module, an intelligent self-adaptive filtering module, a hydraulic cyclone enhanced separation module, a self-cleaning and backwashing module and a central control and data processing module. According to the method, river sediment characteristics are monitored in real time, filtering parameters are dynamically adjusted through an artificial intelligence algorithm, efficient sediment interception is achieved by combining hydraulic cyclone separation and multi-stage filtering, the problem of filtering medium blockage is solved through a self-cleaning mechanism, and meanwhile the self-adaptive learning capacity is achieved so as to optimize system performance. The system can significantly improve the filtering efficiency, reduce energy consumption and operation and maintenance cost, adapt to complex water quality working conditions, and guarantee safe and stable operation of key equipment of the pumped storage power station.
Owner:安徽新力电业科技有限责任公司 +1

Acid gas treatment device and method for synthesis ammonia production

The invention relates to the technical field of industrial waste gas treatment, and discloses an acid gas treatment device and method for synthesis ammonia production, the acid gas treatment device for synthesis ammonia production comprises an absorption tower, a spraying system and a filler layer, the spraying system and the filler layer are installed in the absorption tower, and a receiving disc is arranged below the filler layer; the receiving disc comprises a plurality of annular plates which are vertically and coaxially distributed, the diameters of the annular plates are gradually reduced from top to bottom, the bottom of the annular plate on the lowermost side is fixedly connected with a drainage ring, the outer wall of the lower portion of the drainage ring is sleeved with a collecting cylinder, the inner wall of the drainage ring is fixedly connected with a flow slowing cylinder, and the lower portion of the flow slowing cylinder extends into the collecting cylinder. The solvent flows on the annular plate, and after the flow speed of the solvent is slowed down through the flow slowing cylinder, the solvent and impurities form a falling speed difference in the collecting cylinder, so that the impurities can effectively precipitate at the bottom in the collecting cylinder and are prevented from flowing to a filtering system of the recycling box along with the solvent, the burden of the filtering system is relieved, and the recycling efficiency of the solvent is improved.
Owner:河南神马氢化学有限责任公司

Fastening device and mounting structure of fusion reactor divertor system heat sink structure

The invention relates to the field of nuclear fusion devices, and discloses a fastening device and a mounting structure of a fusion reactor divertor system heat sink structure, and the fastening device of the fusion reactor divertor system heat sink structure is used for connecting the heat sink structure and a main body structure, and comprises a first connecting piece, a supporting disc, a second connecting piece, a first elastic piece and a third connecting piece, a first thread part is arranged on the outer side of the first connecting piece; the supporting disc is arranged in the first groove and is in clearance arrangement with the peripheral groove wall of the first groove; the second connecting piece penetrates through the second hole and is provided with a third groove; the first elastic piece is arranged in the second groove and elastically abuts against the skirt edge part. And the third connecting piece is arranged in the third groove and is in clearance arrangement with the peripheral groove wall of the third groove. A thermal expansion deformation space is reserved in the fastening device of the fusion reactor divertor system heat sink structure, damage to internal parts can be avoided, and the reliability of the fastening device of the fusion reactor divertor system heat sink structure is improved.
Owner:聚变新能(安徽)有限公司

Filtration system and method for synchronizing permeate and retentate flow

A fluid filtration system includes a fluid storage vessel such as a bioreactor, a filter housing including a filter element disposed therein, a pump coupled between the fluid storage vessel and the filter housing, and a flow diverter disposed between the pump and the filter housing. The pump is configured to move fluid from the fluid storage vessel through the filter element, and the flow diverter is configured for selectively directing fluid received from the pump to the first or second end of the filter housing. In a first mode of operation, the flow diverter directs flow through the filter housing in a first direction, while in a second mode of operation, the flow diverter directs flow through the filter housing in a second direction opposite the first direction.
Owner:REPLIGEN CORP

Method for predicting a maintenance operation and recommending maintenance for water treatment equipment

The present invention relates to a method for automated data processing to assess the state of multiple filtration membranes used in liquid filtration. The method involves receiving data from state sensors positioned within or near a set of membranes, which process incoming water into permeate and concentrate flows. This data, collected as time series at predefined frequencies, pertains to external physical parameters. An operating indicator is determined from this data, forming a second time series. Both the first and second time series are recorded as point clouds over a specified acquisition period. An intermediate operating indicator is generated, representing the state of new, clean, or cleaned membranes, using a learned normalization model. Finally, a normalized operating indicator is produced, characterizing membrane fouling and aging, independent of environmental variations, and forming a third time series. This method enhances the accuracy of membrane state assessment in filtration systems.
Owner:VEOLIA WATER SOLUTIONS & TECHNOLOGIES SUPPORT SAS

Clean water dispenser

The utility model provides a purified water dispenser which comprises a water softening system, a water purifying system and a hot water system, the water purifying system comprises a filtering system, a soft water quality detection piece, a soft water temperature detection piece and a variable-frequency booster pump, and the soft water quality detection piece and the soft water temperature detection piece are both connected with the variable-frequency booster pump. The rotating speed of the variable-frequency booster pump is determined according to the total amount and temperature of dissolved solids in soft water measured by the soft water quality detection part and the soft water temperature detection part, and the stability of the water making flow speed of the purified water dispenser is guaranteed.
Owner:FOSHAN SHUNDE MIDEA WATER DISPENSER MFG +1

Intelligent maintenance cleaning device and method for nanofiltration membrane pollution control

The invention provides an intelligent maintenance cleaning device for nanofiltration membrane pollution control and a method thereof, and solves the problems of low maintenance cleaning efficiency, poor adaptability of cleaning parameters and pollution conditions and frequent chemical cleaning of an existing nanofiltration system. Belongs to the technical field of membrane pollution control. According to the invention, the filtering system, the cleaning system and the intelligent decision-making module are integrally designed, so that the closed-loop control of the whole process of real-time monitoring, pollution identification, intelligent decision-making and automatic cleaning of the running state of the nanofiltration membrane is realized. The cleaning effect gating memory neural network model is used as a membrane pollution prediction model, membrane pollution can be accurately predicted, and key cleaning nodes can be identified. The optimal membrane cleaning parameters are generated by adopting a non-dominated sorting genetic algorithm, the usage amount of chemical agents and the cleaning cost are reduced, and the membrane pollution control effect is improved. The invention is applicable to the field of drinking water treatment.
Owner:HARBIN INST OF TECH

Intelligent flushing self-cleaning filter system for industrial water treatment

The invention relates to the technical field of industrial water treatment equipment, and discloses an intelligent flushing self-cleaning filter system for industrial water treatment. A dynamic suspended matter monitoring module of the system collects three-dimensional distribution data of deposits on the surface of a filtering medium in real time, and mixed deposition characteristics of suspended solids and oil stains are recognized through a multispectral imaging technology; the differential pressure trigger control module establishes a mapping relation between sediment thickness and fluid resistance according to the three-dimensional distribution data, and generates a cleaning trigger instruction when the real-time differential pressure data reaches a dynamic threshold interval; the spiral trajectory planning module analyzes the cleaning trigger instruction, and generates a composite motion trajectory containing a rotation angular velocity and an axial displacement rate in combination with the current position of a suction nozzle and a filter screen topological structure; the multi-mode flushing execution module synchronously adjusts torque output of a hydraulic motor and linear displacement of a piston cylinder based on the composite motion trail, so that a suction nozzle covers the whole effective filtering area of a filter screen along a spiral path.
Owner:CHANGSHU INSTITUTE OF TECHNOLOGY

Fully submersed block style secondary water filter

A water filter system including a primary container, a primary filter positioned in the primary container, a secondary container positioned below the primary container, a secondary filter in fluid communication with the primary filter and positioned in the secondary container, and a shell surrounding the sides and bottom of the secondary filter and operative to contain water therein.
Owner:JAMES ENTERPRISE INC

Purified water dispenser

The embodiment of the utility model discloses a purified water dispenser which comprises a water softening system, a water purifying system and a controller, a water inlet of the water softening system is used for receiving raw water, and a water outlet of the water softening system can output soft water; a water inlet of the water purification system is communicated with a water outlet of the water softening system, a water outlet of the water purification system is used for outputting purified water, the water purification system comprises a filtering system and a wastewater drainage pipeline, a water inlet of the filtering system is communicated with the water inlet of the water purification system, and a water outlet of the filtering system is communicated with the water outlet of the water purification system; a wastewater port of the filtering system is communicated with a wastewater drainage pipeline; the controller is connected with the soft water system and is connected with the wastewater drainage pipeline; when the water outlet of the water softening system outputs hard water, the controller is used for controlling the wastewater drainage pipeline to increase the wastewater discharge capacity so as to protect the filtering system, and the filter element can have the normal service life.
Owner:FOSHAN SHUNDE MIDEA WATER DISPENSER MFG +1

Carbon rod folding and ultrafiltration integrated filtering system

The present invention relates to the technical field of water filtration, and discloses a carbon rod folding ultrafiltration integrated filtration system, which comprises a filter shell and two filter cartridges arranged in the filter shell, one end of each of the two filter cartridges is fixedly connected with a wide cartridge, a folding ultrafiltration core is inserted in the inner side of each filter cartridge, a carbon rod is inserted in the inner side of each folding ultrafiltration core, and the filtration system further comprises a batch rotation part, the cylinder cover is arranged on the filter shell and is in threaded connection with the cylinder cover; the cleaning part is arranged on the inner side of the filter cartridge, is fixedly connected with the cartridge cover and is positioned on the outer side of the folding ultrafiltration element; the dense silicon part is arranged on the wide cylinder and located on the outer side of the threaded ring; according to the invention, the batch rotating part is used for synchronously rotating the two cylinder covers to open and take down the two cylinder covers, the two cylinder covers are translated while rotating, the cleaning part is driven to clean and push impurities remained in the filter cylinder in the rotating and moving processes, and meanwhile, the folding ultrafiltration element and the carbon rod are supported and driven to be taken out from the filter cylinder; furthermore, a plurality of cylinder covers can be conveniently opened, impurities remained in the filter cylinder can be cleaned, and the working efficiency is improved.
Owner:NINGBO HO WATER PURIFICATION EQUIP TECHCO LTD

Method and system for fine frequency finesse filtering

Aspects of the subject disclosure may include, for example, obtaining a signal received at a coherent optical receiver, and equalizing the signal using a filter system, wherein the filter system includes a first filter that provides a first filtering characteristic, a second filter that provides a second filtering characteristic, and a third filter that provides a third filtering characteristic, wherein an adjustment rate of the first filter and an adjustment rate of the second filter are each at least ten times an adjustment rate of the third filter, and wherein the adjustment rate of the first filter is at least ten times the adjustment rate of the second filter. Other embodiments are disclosed.
Owner:CIENA CORP

Filtering System for Managing the Treatment of a Patient

A system for managing treatment of a patient is provided with a computer in data communication with a database storing a plurality of prompts, medical content, and patient medical history. A user device in data communication with the computer presents a first prompt to the patient and receives the patient reaction to the first prompt. Software executing on the computer parses the patient reaction into discrete and non-discrete portions, with a generative artificial intelligence program parsing the non-discrete portions to extract a key data set. A determinative artificial intelligence program then correlates the key data set and discrete response portions with the content in the database to create a determinative data set. A generative artificial intelligence program receives the determinative data set and non-discrete portions of the reaction and generates a second prompt to be displayed to the patient to refine their treatment.
Owner:GAIA AG

Cooling apparatus, control method thereof, storage medium, and program product

The invention provides a cooling device and a control method thereof, a storage medium and a program product, and relates to the technical field of cooling. The cooling device comprises a filtering system; the filtering system comprises a filter, an inlet pressure sensor, an outlet pressure sensor, a pump front switching valve, a one-way valve, a flushing pump, a sewage draining switching valve and an outlet switching valve; the filter comprises a barrel and a filter element located in the barrel, and the barrel comprises an inlet, an outlet and a drain outlet located between the inlet and the outlet; the one-way valve is arranged at the inlet, is sequentially connected with the filters and then is connected in parallel with the pre-pump switch valve and the flushing pump which are sequentially connected; the before-pumping switch valve is close to the one-way valve; the inlet pressure sensor is arranged at one end of the filtering system close to the refrigerating system; the outlet switch valve and the outlet pressure sensor are arranged at the end, close to the cooling system, of the filtering system. Automatic cleaning is achieved, manual intervention is not needed, time and labor are saved, and the service life of the filter element can be greatly prolonged.
Owner:GREE ELECTRIC APPLIANCE INC OF ZHUHAI

Differential gene regulation and control network reconstruction method based on mutual information and redundancy regulation and control filtering system

PendingCN120895100AData visualisationInstrumentsEngineeringDifferential regulation
The invention discloses a differential gene regulation and control network reconstruction method based on mutual information and a redundancy regulation and control filtering system. The method comprises the following steps: firstly, collecting gene expression data under two or more conditions, respectively calculating mutual information of gene pairs under each condition, and screening the gene pairs with obvious mutual information difference as candidate regulation edges; furthermore, a redundancy regulation and control relation caused by the intermediary variables is identified and eliminated through calculation condition mutual information, and finally a difference regulation and control network with high credibility is constructed. The system comprises a data preprocessing module, a mutual information calculation module, a redundancy indirect regulation and control effect filtering module, a regulation and control direction judgment module, a network construction and threshold optimization module, a difference network construction module and an output and visualization module. The method can effectively improve the biological interpretability and inference accuracy of the network, and is widely applied to the bioinformatics fields such as disease mechanism research, regulatory factor identification and multi-omics integrated analysis.
Owner:INNOVATION DRIVEN (SHAANXI) TECHNOLOGY CO LTD

Active suppression type multi-band electromagnetic interference filtering system and method for unmanned aerial vehicle

The invention provides an active suppression type multi-band electromagnetic interference filtering system and method for an unmanned aerial vehicle, and the system comprises a signal input unit which is used for receiving input signals from a plurality of to-be-protected modules in an unmanned aerial vehicle system; the interference identification unit is used for monitoring frequency spectrum information of the input signals in real time and identifying interference characteristics of the input signals; the control processing unit is used for generating a corresponding filtering control instruction according to the identification result; the active filtering unit is used for dynamically adjusting filtering parameters according to the control instruction and completing suppression of multi-band electromagnetic interference; and the signal output unit is used for outputting the filtered signal to the corresponding unmanned aerial vehicle module. The active suppression type multi-band electromagnetic interference filtering system is specially designed for an unmanned aerial vehicle system, has the characteristics of intelligence, light weight and high efficiency, can effectively improve the anti-interference capability of an unmanned aerial vehicle in a complex electromagnetic environment, and has a wide engineering application prospect.
Owner:RUILEBO ELECTROMAGNETIC EQUIPMENT (BEIJING) CO LTD

Recursive object detection filter

Systems and methods are provided for detecting and tracking objects. A first set of observations for a plurality of locations includes a probability that a value associated with the location is consistent with local background. A second set of observations includes a probability that the value associated with the location is not consistent with local background. A first probability tensor representing probabilities for each of a plurality of states for each of the plurality of locations is generated from the first and second sets of observations. The first probability tensor is updated according to a second probability tensor representing the probabilities for each of the plurality of states in a previous time step. It is determined that a target is present in the region of interest when a posterior probability meets a threshold value.
Owner:NORTHROP GRUMMAN SYSTEMS CORP

Filter system and filter element unit for a fluid

The invention relates to a filter system (100) for a fluid, in particular oil or fuel, in particular of an internal combustion engine, comprising a filter housing (110) with a fluid inlet (102), a first fluid outlet (104), and a second fluid outlet (106), and comprising a main-flow filter element (10) arranged in the filter housing (110) and a bypass filter element (30) arranged in series therewith in the flow direction (82). The main-flow filter element (10) surrounds a central tube (14). The bypass filter element (30) is arranged in an element housing (34) with a central inlet tube (50) and a central outlet tube (52), wherein the element housing (34) has at least one outflow opening (54) for the fluid filtered by the bypass filter element (30). The element housing (34) is coupled to the central tube (14) of the main filter element (10) in a rotationally fixed manner about a longitudinal axis (80).The outlet pipe (52) is fluidly connected to the first fluid outlet (104) and the drain opening (54) is fluidly connected to the second fluid outlet (106). Furthermore, the invention relates to a filter element unit (1).
Owner:MANN HUMMEL GMBH

Battery power management apparatus and method for electric vehicles and / or hybrid vehicles and / or an electric vehicle and / or a hybrid vehicle which provides for atmospheric water harvesting and / or hydrogen harvesting

An apparatus, including a controller; an air intake system located at a vehicle; an air filtration system; an environmental control system; an air tank located at the vehicle; a water harvesting system; a water filtration system; and a water storage tank located at the vehicle. The controller controls an operation of the air intake system, the air filtration system, the environmental control system, the water harvesting system, and the water filtration system. The air intake system intakes air from an external environment, and the air filtration system filters or purifies the air. The environmental control system heats the air or cools the air. The air tank stores the air and the water harvesting system harvests water from the air. The water filtration system filters or purifies the water and the water storage tank stores the water.
Owner:JOAO RAYMOND ANTHONY

Filter control method, device, medium, product and system

The invention relates to a filter control method and device, a computer readable storage medium, a computer program product, a filtering system and a sensing system. The method comprises the steps that target noise feature information of environment noise of sensing equipment is acquired; and determining a target filter coefficient used for configuring a filter corresponding to the sensing equipment according to the target noise feature information. The performance of the sensing equipment can be improved.
Owner:BYD CO LTD

Item tracking using radio frequency identification filtering

Systems and techniques for wireless communication are provided. Radio frequency identification (RFID) observations may be obtained based on an excitation signal and a plurality of backscatter signals from a plurality of RFID tags. Each backscatter signal may indicate an identifier of a respective RFID tag uniquely associated with a particular item of the plurality of items. The expected background noise information indicative of a subset of the plurality of items for the RFID observation may be determined based on comparing the location of the wireless communication device to the item placement information for the plurality of items. The RFID observations may be filtered using expected background noise information to exclude information associated with a subset of the plurality of items. A shopping basket content estimate may be determined from the filtered RFID observations, wherein the shopping basket content estimate is indicative of one or more collected items of the plurality of items.
Owner:QUALCOMM INC

Bidirectional water stop cast iron gate with protection function

The invention relates to the technical field of water conservancy projects, and discloses a two-way water stop cast iron gate with a protection function, comprising: a door-shaped gate frame, which is internally provided with a vertical lifting area; the nodular cast iron gate is movably mounted in the vertical lifting area; the bidirectional self-adaptive sealing system comprises an adjusting cavity which is arranged in the nodular cast iron gate and is through up and down; the connecting rod is fixed to the top of the door-shaped gate frame and extends into the adjusting cavity. The piston assembly can move in the adjusting cavity; when the gate descends, water flow penetrates through the filtering structure to enter the adjusting cavity, the self-weight of the gate is increased, the sealing effect is assisted, the gate can still be kept in a closed state especially under the low-water-pressure or water-free working condition, when the gate ascends, water in the adjusting cavity reversely scours the composite filtering plate, impurities are taken away, and self-cleaning of the filtering system and the bottom sealing strip is achieved; the manual maintenance frequency is reduced, and the device has the advantages of being high in practicability and self-cleaning.
Owner:CHANGCHUN INST OF TECH

Strong adhesion impurity gathering and removing structure and self-cleaning filtering system

The invention relates to a strong-adhesion impurity gathering and removing structure and a self-cleaning filtering system, and discloses a removing structure and a self-cleaning filtering system which are characterized in that a gathering structure is arranged in a sealing structure, the gathering structure efficiently gathers and cleans impurities under the sealing condition of the sealing structure, and the cleaning effect on the impurities with relatively strong adhesion on a filter screen is realized. The device is characterized by comprising a sealing structure and a gathering structure, the gathering structure is arranged in the sealing structure, the gathering structure gathers and cleans impurities under the sealing condition of the sealing structure, and the cleaning effect on the filter screen is achieved; the sealing structure is composed of a sealing bin, a collection range frame and a special-shaped sealing block, the opening end of the sealing bin is close to one side of the filter screen, the collection range frame is arranged on the inner edge of the sealing bin, and the special-shaped sealing block is fixedly connected to the inner wall of the first conveying pipe and located on the other side, corresponding to the opening end of the sealing bin, of the filter screen.
Owner:XUZHOU OUBAI RUI INTELLIGENT EQUIP CO LTD

Grinding fluid filtering system of grinding machine and high-precision numerical control thread grinding machine used for grinding fluid filtering system

The invention provides a grinding fluid filtering system of a grinding machine and a high-precision numerical control thread grinding machine used for the grinding fluid filtering system. The grinding fluid filtering system comprises a filtering assembly, the filtering assembly comprises a coarse filtering mechanism, and the coarse filtering mechanism comprises a moving assembly arranged in a shell and used for filtering cooling liquid filter residues and a collecting assembly arranged on the moving assembly and used for collecting the filter residues; the cleaning assembly is arranged on the moving assembly and is used for cleaning the filter screen; the coarse filtering mechanism adopts an annular metal filter screen, so that the filtering area is increased, a push strip collects filter residues, and a cleaning assembly prevents blockage; the centrifugal filtering mechanism feeds cooling liquid into a centrifugal tank at a high speed through a pressurizing assembly, and impurities are precipitated and separated due to density difference; the membrane filtering mechanism performs fine filtration through a filtering membrane, the pressure washing assembly drives cooling liquid to reversely wash the filtering membrane through the upper and lower pressure difference, attached impurities are removed, and the cooling liquid cleaning efficiency and the machining precision are remarkably improved in cooperation with the anti-blocking sweeping and washing functions.
Owner:NAZAI INTELLIGENT TECH (ZHEJIANG) CO LTD

Pinch jump suppression in extended reality

An extended Reality (XR) system is provided that provides filtering for a raycast cursor. The XR system provides an XR user interface to a user, the XR user interface includes a raycast and pinch user input modality having a raycast cursor. While continuously capturing, using one or more sensors of the XR system, tracking data of a hand of a user, the XR system determines a pinch intention intensity using the tracking data, and in response to determining the pinch intention intensity meets or exceeds an enter pinching state value, activates a raycast cursor filter applied to a position of the raycast cursor of the raycast and pinch user input modality.
Owner:SNAP INC

Ecological construction conservation structure for canal tributaries and bent sections

The invention relates to the technical field of wetland ecological protection, and discloses an ecological building and conservation structure for canal tributaries and bent sections, which comprises a wetland main body, a closure wall body is arranged in a low-lying area of the wetland main body, a plurality of water turbine mechanisms are arranged on the inner side of the closure wall body, board blocking walls are arranged on two sides of the low-lying area of the wetland main body, and a plurality of water turbine mechanisms are arranged on the lower side of the wetland main body. A water drainage groove is formed in the upper portion of the wetland body, a water drainage mechanism is arranged in the water drainage groove, and a detection assembly is arranged on the surface of the wetland body; a water flow layer, a sandy soil layer, second water seepage geotechnical cloth and a second coarse gravel layer are arranged in the low-lying area of the wetland main body from outside to inside. Through combination of the water turbine mechanism and the filtering system, optimization of isolation of soil and water, the intelligent sensor and the central control system, the wetland water quality purification efficiency is improved, automatic adjustment of water flow and water quality is realized, and self-restoration of a wetland ecological system is ensured.
Owner:TIANJIN RES INST FOR WATER TRANSPORT ENG M O T

Distortion reduction in noise cancellation systems

PCT designated stageWO2025215471A1MicrophonesHead electrodesDistortion reductionFilter system
Presented herein are techniques for reducing distortions in noise cancellation systems, including but not limited to body noise cancellation filtering systems. In one aspect, a method is provided. The method comprises: receiving at least one input signal at a noise cancellation system; and processing the at least one input signal using the noise cancellation system to generate a noise cancellation output signal, wherein the noise cancellation system is controlled by a variable filtering strength parameter that is a function of a level of the at least one input signal.
Owner:COCHLEAR LIMITED