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39results about How to "Low coordination requirement" patented technology
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Vehicle window control system of frameless vehicle window
ActiveCN101280657AFine manufacturing processGuaranteed to open normallyNon-mechanical controlsPower-operated mechanismControl signalControl system
The invention discloses a vehicle window control system which comprises an additional switch positioned on the handle of the vehicle door, a vehicle door lock switch, a vehicle door switch and a vehicle window control module applied to control the lifting of the vehicle window. The additional switch, the vehicle door lock switch and the vehicle door switch are all connected with the vehicle window control module, and the vehicle door lock switch, when being opened, sends the control signals of lowering the window to the vehicle window control module; the additional switch, when being opened, sends control signals of lowering the window to the vehicle window control module; the vehicle door switch, when being opened, sends control signals of lowering the window to the vehicle window control module, and when being closed, sends control signals of raising the window to the vehicle window control module. The system is applicable to vehicles with flameless windows, can ensure normal opening and closing of the vehicle door and prolong the service life of sealing strips at the top and glasses for vehicle windows.
Owner:CHERY AUTOMOBILE CO LTD
Sparse array three-dimensional imaging security check device and method
ActiveCN111158057AImplement security checksReduced hardware requirementsDetection using electromagnetic wavesRadio wave reradiation/reflectionComputer hardwareEngineering
The invention discloses a sparse array three-dimensional imaging security check device and method, and relates to the sparse array three-dimensional imaging security check device and method, and the device comprises a sparse antenna array, a radio frequency receiving and transmitting front end, a signal processing module, a display module, and one or more manual processing seats. Under the controlof the signal processing module, the position information of the human body is determined through coarse scanning, and then the device is controlled by the signal processing module to enter a fine scanning mode according to the position information of the human body. Under the fine scanning mode, the signal processing module sends a scanning instruction, the radio frequency transmit-receive frontend generates and transmits a radio frequency signal through the sparse antenna array, and after the radio-frequency signal interacts with the target, echo signals reflected by a target are receivedby the sparse antenna array, processed by the radio frequency transmit-receive front end, transmitted to the signal processing module, subjected to analog-to-digital conversion in the signal processing module, calibrated and imaged, and then imaging processing results are sent to the detection module and the manual processing seat respectively. And finally, whether the detected person carries dangerous goods or not is determined in a mode of combining automatic detection and manual seat processing.
Owner:BEIJING RES INST OF TELEMETRY +1
Flexible electrode for measuring muscle impedance and preparation method thereof
InactiveCN105342613AImproved interface contactReduce measurement errorDiagnostic recording/measuringSensorsHuman bodyInterface impedance
The invention belongs to the field of equipment for measuring human body impedance and particularly relates to a flexible electrode for measuring muscle impedance and a preparation method thereof. The flexible electrode for measuring muscle impedance comprises an insulating flexible substrate, at least one pair of exciting electrode plates, at least one pair of measuring electrode plates, surface modification layers, metal leads, metal lead connectors and a polymer protective film. The exciting electrode plates and the measuring electrode plates are arranged to form an electrode array, the electrode array, the metal leads and the metal lead connectors are arranged on the insulating flexible substrate, the surface modification layers cover all the electrode plates, and the face, provided with the electrode array, of the insulating flexible substrate is covered with the polymer protective film. According to the electrode, measuring errors caused by contact interface impedance can be effectively reduced through the insulating flexible substrate and the interface modification layers, no wound or pain is generated, operation is easy and convenient, repeatability is achieved, and the electrode is suitable for being popularized.
Owner:INST OF SEMICONDUCTORS - CHINESE ACAD OF SCI
Edge traffic control method and device based on service grid, and storage medium
ActiveCN113285885ALow coordination requirementLess intrusiveData switching networksDomain nameEdge node
The embodiment of the invention provides an edge traffic control method and device based on a service grid, and a storage medium. The central node can obtain a corresponding relationship between a service instance of a target service and a user domain name through a control plane component in a service grid; according to the corresponding relation, attribute labels can be added to the containers corresponding to the edge nodes of the service instances, and flow routing rules are determined. The traffic routing rule can be issued to the edge node for the edge node to perform traffic control on the access request for the target service. According to the embodiment, the container does not need to be marked when the service instance is deployed, and the requirement for the adaptability of a container issuing system is lowered. In addition, the process of marking the container is executed by the control plane component of the service grid, so that the container management platform does not need to be modified, and invasion to the container management platform can be effectively reduced.
Owner:ALIBABA CLOUD COMPUTING LTD
Imaging lens, iris imaging module and iris identification device
ActiveCN105445902AWide range of depth of fieldWide range of object distanceCharacter and pattern recognitionOptical elementsCamera lensImaging quality
The invention discloses an imaging lens, an iris imaging module and an iris identification device, and belongs to the field of biological identification. From front to back of a light incidence direction, the imaging lens sequentially comprises: a first lens, wherein the first lens is a double-convex lens with positive power, the front surface is a convex surface, and the back surface is a convex surface; a second lens, wherein the second lens is a double-concave lens with negative power, the front surface is a concave surface, and the back surface is a concave surface; a third lens, wherein the third is a convex-concave lens with positive power, the front surface is a convex surface, and the back surface is a concave surface; a fourth lens, wherein the fourth lens is a double-convex lens with positive power, the front surface is a convex surface, and the back surface is a convex surface; and a fifth lens, wherein the fifth lens is a convex-concave lens with negative power, the front surface is a convex surface, and the back surface is a concave surface. The third lens and the fourth lens are glued together. The imaging lens provided by the invention is good in imaging quality, wide in collection range, convenient to use and simple in structure.
Owner:EYECOOL SHENZHEN TECH CO LTD
Full-automatic pad printing machine
PendingCN110525029AGuaranteed printing qualityReduce demandRotary pressesOther printing apparatusEngineeringTransfer printing
The invention discloses a full-automatic pad printing machine. The full-automatic pad printing machine comprises a body, a conveying mechanism, a transfer printing mechanism, a turnover mechanism, a drying mechanism and a discharging mechanism. The conveying mechanism is arranged on the body. The conveying mechanism is arranged on the body, can circularly convey workpieces in the X-axis directionand is used for conveying the workpieces, the conveying mechanism is provided with a feeding end and a discharging end, the turnover mechanism, the pad printing mechanism, the drying mechanism and thedischarging mechanism are sequentially arranged on the body in the X-axis direction, and the pad printing mechanism is arranged close to the feeding end and used for printing the workpieces; the turnover assembly is arranged close to the pad printing mechanism and is used for overturning a workpiece; the drying mechanism is arranged opposite to the middle part of the conveying mechanism and is used for drying ink on the surface of the workpiece; the discharging mechanism is arranged opposite to the discharging end and used for discharging the workpieces. The full-automatic pad printing machine is easy to operate, high in automation degree, high in product yield and not prone to causing industrial accidents.
Owner:HANGZHOU SKY LIGHTING
Drilling position positioning system and method of drilling machine
ActiveCN111536954AHigh positioning accuracyLow coordination requirementActive open surveying meansDirectional drillingLight spotLight beam
The invention discloses a drilling position positioning system and method of a drilling machine. The system comprises a positioning laser unit, a centering laser unit, a first laser position detectionunit, a second laser position detection unit, an inclination angle detection unit and a display unit. The positioning laser unit is used for determining the position of a tapping point on a working surface and emitting a positioning laser beam to the rear end surface of a big arm; the first laser position detection unit is installed on the rear end face and used for detecting the position of a light spot of a positioning laser beam on the rear end face. The centering laser unit is arranged on the big arm and is used for emitting a centering laser beam to a tapping point; the second laser position detection unit is installed on the working face and used for detecting the position of a light spot of the centering laser beam on the working face. The inclination angle detection unit is mounted on the big arm and used for detecting an inclination angle value of the big arm; the display unit is connected with each unit and is used for displaying the positioning information. The drilling position positioning system and method have the advantages of simple structure, high positioning precision, high automation level, high positioning efficiency and the like.
Owner:63653 FORCES PLA
Combined type heat sealing mechanism and roller plate type aluminum plastic aluminum blister packaging machine
ActiveCN103935563AReliable heat sealingLow coordination requirementWrappingWrapper twisting/gatheringPlastic packagingEngineering
The invention provides a combined type heat sealing mechanism and a roller plate type aluminum plastic aluminum blister packaging machine. The combined-type heat sealing mechanism comprises a rolling heat sealing device, a motion conversion device and a plate type heat sealing device, wherein the rolling heat sealing device is arranged on a machine frame and continuously acts to be used for conducting heat sealing on blister plates and upper aluminum foils to form aluminum plastic packaging, the blister plates are conveyed from a conveying mechanism and filled with objects, the upper aluminum foils are conveyed from an upper aluminum foil roller, the motion conversion device is arranged on the machine frame, is located at the downstream position of the rolling heat sealing device and intermittently acts to be used for converting continuous conveying into intermittent conveying of the aluminum plastic packaging output by the rolling heat sealing device, the plate type heat sealing device is located at the downstream position of the motion conversion device and intermittently acts to be used for conducting heat sealing on the aluminum plastic packaging and an aluminum cover to form aluminum plastic aluminum packaging, the aluminum packaging is conveyed from the motion conversion device, and the aluminum cover is conveyed from an aluminum forming device. According to the combined type heat sealing mechanism, the continuous conveying mode can be converted into the intermittent conveying mode, heat sealing is more reliable, the requirement for coordination action among the devices is reduced, and production efficiency is improved.
Owner:WENZHOU XIAOJIANG MACHINERY TECH
Identity authentication method and device
PendingCN109740437ALow coordination requirementImprove experienceCharacter and pattern recognitionFeature vectorInternet privacy
The invention discloses an identity authentication method and device. The method comprises the following steps of: obtaining sign data and face data of a to-be-authenticated user; according to the physical sign data of the to-be-authenticated user and pre-stored physical sign data of a plurality of authenticated users, and determining a candidate user according to the extracted feature vector corresponding to the to-be-authenticated user and the extracted feature vector corresponding to the candidate user, and determining that the to-be-authenticated user passes identity authentication after determining that similar users exist in the candidate users. Therefore, the similar users only need to be determined from the candidate users, and the number of the candidate users is far smaller thanthe number of the pre-stored authenticated users, so that the identity authentication method provided by the embodiment of the invention can greatly shorten the identity authentication time and improve the working efficiency of the identity authentication system.
Owner:CHINA UNIONPAY
Pulley positioning device for part assembly of large-length vehicle
ActiveCN1843688ALow coordination requirementReduce manufacturing costMetal working apparatusVehiclesEngineeringReticle
The invention discloses a pulley positioning device for positioning the elements of long-length vehicle. Wherein, the bend head of positioning plate is mounted with a distant adjusting cut, a compress plate and a support pulley for adjusting the horizontal position of compartment top while they are distant from the outer surface of compartment; two sides at the middle part of positioning plate are independently mounted with frame positioning devices for baffling the edges of frame elements, while the lower end is mounted with a shape surface of positioning the theory shape of compartment, a cover edge cutting reticle for cutting the cover, and a inversed-L shape cut for positioning low longitudinal beam. The invention uses support pulley and the shape surface whose distant is 3mm, to position the compartment top and the compartment body, while it can adjust the open angle of compartment top via pad and realize positioning and assembling the compartment top, frame and side walls without additive assemble support. And it has lower cost, high accuracy and wider application.
Owner:CHENGDU AIRCRAFT INDUSTRY GROUP
Proximity switch detection device and detection method thereof
ActiveCN113917325ALow coordination requirementCircuit interrupters testingElectrical and Electronics engineeringReal-time computing
Owner:山东天大清源信息科技有限公司
LED display screen module maintenance mechanism
The invention discloses an LED display screen module maintenance mechanism. The mechanism comprises a display screen module, wherein a lock pillar, a lock pillar elastic sheet and a lock pillar coverplate are respectively arranged in the display screen module, a display screen block is arranged on the display screen module in parallel, the bottom end of the lock pillar is installed in the displayscreen module, the top end of the lock pillar penetrates through the lock pillar elastic sheet, the lock pillar cover plate and the display screen block sequentially, vertically and upwards, the lower end of the lock pillar elastic sheet is arranged on the upper surface of the bottom end of the lock pillar, the lower surface of the lock pillar cover plate is installed on the upper surface of thelock pillar elastic sheet, and the display screen block is arranged on the upper surface of the lock pillar cover plate. Through the mechanism, working difficulty is lowered, the risk of looseness andnon-locking is prevented, the defect rate is low, the productivity is high, cost is low, and therefore the mechanism has good market application value.
Owner:SHENZHEN MARY PHOTOELECTRICITY
Method and device for identifying target object, electronic equipment and storage medium
PendingCN110390290AImprove recognition accuracyReduce fitBiometric pattern recognitionMachine learningCurrent time
The invention discloses a method and device for identifying a target object, electronic equipment and a storage medium, and relates to the field of information identification. The method comprises thesteps of obtaining feature information of a target object of a current time node; identifying the feature information through a pre-trained time feature information model, and performing similarity comparison with feature information of a target object pre-stored in a feature information base; when the similarity exceeds a preset threshold value, indicating the target object is successfully recognized, and automatically updating the feature information of the target object at the current time node to a feature information base; and automatically optimizing and retraining the pre-trained timefeature information model according to the updated feature information base. The feature information can be continuously identified and the feature information base can be updated based on the pre-trained time feature information model under the condition that the target object is not perceived. The identification precision is continuously improved, the requirement on the matching degree of a useris relatively low, and use experience is better.
Owner:北京天正聚合科技有限公司 +1
Vehicle window control system of frameless vehicle window
ActiveCN101280657BFine manufacturing processGuaranteed to open normallyNon-mechanical controlsPower-operated mechanismControl signalControl system
The invention discloses a vehicle window control system which comprises an additional switch positioned on the handle of the vehicle door, a vehicle door lock switch, a vehicle door switch and a vehicle window control module applied to control the lifting of the vehicle window. The additional switch, the vehicle door lock switch and the vehicle door switch are all connected with the vehicle window control module, and the vehicle door lock switch, when being opened, sends the control signals of lowering the window to the vehicle window control module; the additional switch, when being opened, sends control signals of lowering the window to the vehicle window control module; the vehicle door switch, when being opened, sends control signals of lowering the window to the vehicle window control module, and when being closed, sends control signals of raising the window to the vehicle window control module. The system is applicable to vehicles with flameless windows, can ensure normal opening and closing of the vehicle door and prolong the service life of sealing strips at the top and glasses for vehicle windows.
Owner:CHERY AUTOMOBILE CO LTD
Active ankle pump trainer
PendingCN112006896ALow coordination requirementHigh acceptanceBlood stagnation preventionChiropractic devicesTraining effectEngineering
The invention discloses an active ankle pump trainer which comprises a base, a training plate and a driving mechanism, the base comprises a base body and a leg supporting plate, and the leg supportingplate is connected with the base body and extends in a first direction; the training plate is suitable for fixing the foot sole of a patient, the training plate is arranged on the base and can pivotaround a first axis, the first axis extends in a second direction, and the second direction is perpendicular to the first direction; and the driving mechanism is arranged on the base body, connected with the training plate and used for driving the training plate to swing around the first axis in a reciprocating mode so that the training plate can drive the foot sole of the patient to move to trainthe ankle pump. According to the active ankle pump trainer provided by the embodiment of the invention, the training of the ankle pump can be realized by utilizing the reciprocating swing of the training plate, the training effect is good, and the efficiency is high.
Owner:PEKING UNIV SHENZHEN HOSPITAL
Assembling platform
InactiveCN107671776ALow coordination requirementSave human effortWork holdersWork benchesFixed frameEngineering
Owner:JIANGMEN MAXWELL MAGNET IND CO LTD
Composite heat-sealing mechanism and roller-plate aluminum-plastic-aluminum blister packaging machine
ActiveCN103935563BReliable heat sealingLow coordination requirementWrappingWrapper twisting/gatheringPlastic packagingAluminum foil
The invention provides a combined type heat sealing mechanism and a roller plate type aluminum plastic aluminum blister packaging machine. The combined-type heat sealing mechanism comprises a rolling heat sealing device, a motion conversion device and a plate type heat sealing device, wherein the rolling heat sealing device is arranged on a machine frame and continuously acts to be used for conducting heat sealing on blister plates and upper aluminum foils to form aluminum plastic packaging, the blister plates are conveyed from a conveying mechanism and filled with objects, the upper aluminum foils are conveyed from an upper aluminum foil roller, the motion conversion device is arranged on the machine frame, is located at the downstream position of the rolling heat sealing device and intermittently acts to be used for converting continuous conveying into intermittent conveying of the aluminum plastic packaging output by the rolling heat sealing device, the plate type heat sealing device is located at the downstream position of the motion conversion device and intermittently acts to be used for conducting heat sealing on the aluminum plastic packaging and an aluminum cover to form aluminum plastic aluminum packaging, the aluminum packaging is conveyed from the motion conversion device, and the aluminum cover is conveyed from an aluminum forming device. According to the combined type heat sealing mechanism, the continuous conveying mode can be converted into the intermittent conveying mode, heat sealing is more reliable, the requirement for coordination action among the devices is reduced, and production efficiency is improved.
Owner:WENZHOU XIAOJIANG MACHINERY TECH
Imaging lens, iris imaging module and iris recognition device
ActiveCN105445902BWide range of depth of fieldWide range of object distanceCharacter and pattern recognitionOptical elementsCamera lensImaging quality
The invention discloses an imaging lens, an iris imaging module and an iris identification device, and belongs to the field of biological identification. From front to back of a light incidence direction, the imaging lens sequentially comprises: a first lens, wherein the first lens is a double-convex lens with positive power, the front surface is a convex surface, and the back surface is a convex surface; a second lens, wherein the second lens is a double-concave lens with negative power, the front surface is a concave surface, and the back surface is a concave surface; a third lens, wherein the third is a convex-concave lens with positive power, the front surface is a convex surface, and the back surface is a concave surface; a fourth lens, wherein the fourth lens is a double-convex lens with positive power, the front surface is a convex surface, and the back surface is a convex surface; and a fifth lens, wherein the fifth lens is a convex-concave lens with negative power, the front surface is a convex surface, and the back surface is a concave surface. The third lens and the fourth lens are glued together. The imaging lens provided by the invention is good in imaging quality, wide in collection range, convenient to use and simple in structure.
Owner:EYECOOL SHENZHEN TECH CO LTD
Electromyogram intelligent detection device and operation method
PendingCN113520412ALow coordination requirementReduce the difficulty of operationDiagnostic recording/measuringSensorsVision processingPhysical therapy
The invention relates to an electromyogram intelligent detection device and an operation method. An electromyogram intelligent detection device comprises detection equipment used for detecting electromyograms and a bed used for limiting the body position of a patient; the detection equipment is arranged on one side of the bed; The detection equipment for detecting the electromyogram comprises a rack, an myoelectricity module for detecting myoelectricity potential changes and a vision module for detecting muscle body surface movement changes. The myoelectricity module and the vision module are arranged at the upper part of the rack; the myoelectricity module comprises a electromyograph and an electrode; the number of the electrodes is larger than or equal to three, and the inner ends of the electrodes are connected with the electromyograph. The visual module comprises a visual processor, a camera and a tension sensor; the camera and the tension sensor are both connected with the visual processor; the number of the tension sensors is larger than or equal to 3. The invention has the beneficial effects that visual and myoelectric multi-path muscle motion state detection is realized, the detection sensitivity and the detection precision are ensured, the requirement on the matching degree of a patient and a doctor is reduced, and the detection efficiency is improved.
Owner:浙江远翔医疗设备有限公司
A 3D printed in vitro assisted biopsy/positioning device and preparation method thereof
ActiveCN106073865BRelieve painLow coordination requirementSurgical needlesVaccination/ovulation diagnosticsPuncture BiopsyComputer module
The invention discloses a 3D-priniting extracorporeal-assisted biopsy / positioning device. The biopsy / positioning device is formed by 3D printing. The 3D-priniting extracorporeal-assisted biopsy / positioning device comprises a central positioning module, in which a needle-feeding hole duct used for feeding a puncture needle is arranged. The surface of the central positioning module is provided with a first clamping slot. The 3D-priniting extracorporeal-assisted biopsy / positioning device further comprises an antenna with one end having a first clamping pin in snap joint with the first clamping slot and with the other end having a second clamping pin, a fixing foot stand comprising a base and support feet arranged on the base. The support feet and a plane where the base is located are arranged at certain angle. One end, away from the base, of the support feet is provided with a second clamping slot. The second clamping slot is in snap joint with the second clamping pin. The 3D-priniting extracorporeal-assisted biopsy / positioning device is broad in application scope, short in operation time and helps relive pains of a patient and achieves prices positioning and puncture biopsy of preoperative lumps.
Owner:上海揽慧医疗科技有限公司
An energy-saving and environment-friendly wall for buildings
ActiveCN108204055BAvoid uneven temperatureShorten the flow distanceWallsChemical industryBrickHeat conducting
The invention relates to an energy-saving and environment-friendly wall for buildings. The energy-saving and environment-friendly wall is sequentially provided with a base layer, a light porous bricklayer, a tack layer and a solar panel layer from inside to outside. Heat conducting liquid is circularly arranged in the light porous brick layer, and light porous bricks are matched with the heat conducting liquid to realize the real-time adjustment of indoor temperature and humidity through the wall. By arranging solar panels to make full use of solar energy, not only can the overheated sunshineheat be absorbed and the energy consumption of the wall for cooling be reduced, but also solar energy can be converted into electric energy to be used by electrical components inside the wall, thus the energy conservation and environment protection of the wall of the buildings are truly realized.
Owner:龙元明筑科技有限责任公司
Bottom thread stand structure and sewing machine
The invention belongs to the technical field of sewing equipment and particularly relates to a bottom thread stand structure and a sewing machine. A bottom thread stand component and a driving springare disposed on a bottom thread stand mounting plate; the bottom thread stand component is slidably connected with the bottom thread stand mounting plate; one end of the driving spring is connected tothe bottom thread stand mounting plate, while the other end is abutted to the bottom thread stand component to generate outward push upon the bottom thread stand component; a bottom thread stand lever is arranged below the bottom thread stand component; one end of the bottom thread stand lever is slidably connected with the bottom thread stand mounting plate; a limiter is disposed on the bottom thread stand mounting plate between the bottom thread stand component and the bottom thread stand lever; one end of the limiter is connected with the bottom thread stand lever, while the other end is connected with the bottom thread stand component; one end of the limiter moves with the bottom thread stand lever so as to drive the limiter to rotate, thereby removing the positioning upon the bottomthread stand component; after the limited is returned, the other end of the limiter is connected to the corresponding part of the bottom thread stand component to arrive at positioning. The bottom thread stand structure and the sewing machine have good threading convenience and low production cost.
Owner:JACK SEWING MASCH CO LTD
Drilling rig drilling position positioning system and positioning method
ActiveCN111536954BHigh positioning accuracyLow coordination requirementActive open surveying meansDirectional drillingLight beamEngineering
Owner:63653 FORCES PLA
A sparse array three-dimensional imaging security inspection device and method
ActiveCN111158057BImplement security checksReduced hardware requirementsDetection using electromagnetic wavesRadio wave reradiation/reflectionComputer hardwareHuman body
A sparse array three-dimensional imaging security inspection device and method, the present invention relates to a sparse array three-dimensional imaging security inspection device and method, which includes: a sparse antenna array, a radio frequency transceiver front end, a signal processing module, a display module and one or more manual processing seats . Under the control of the signal processing module, the position information of the human body is determined by rough scanning, and then according to the position information of the human body, the device is controlled by the signal processing module to enter the fine scanning mode. In the fine scanning mode, the signal processing module sends scanning instructions, and the RF transceiver front-end generates and transmits RF signals from the sparse antenna array. After the RF signal interacts with the target, the echo signal reflected by the target is received by the sparse antenna array and transmitted by the sparse antenna array. After the front-end processing of the radio frequency transceiver, it is transmitted to the signal processing module, and after analog-to-digital conversion in the signal processing module, and after calibration and imaging processing, the imaging processing results are sent to the detection module and the manual processing seat respectively. Finally, through the combination of automatic detection and manual processing of seats, it is determined whether the inspected person is carrying dangerous goods.
Owner:BEIJING RES INST OF TELEMETRY +1
Instant image transmission system device based on optical theodolite
The invention relates to an instant image transmission system device based on an optical theodolite, which solves the problems that measurement by the optical theodolite requires cooperation by many people, so that manpower is wasted in the prior art can be solved. The instant image transmission system device based on the optical theodolite comprises a rotating disk of the optical theodolite and an ocular lens at the top of the rotating disk, and also comprises an instant image transmission device; the instant image transmission device comprises a pedestal, two arc supports hinged to the pedestal, a camera fixed on the ocular lens, a WiFi sending terminal, and an image receiving end; the pedestal is fixed on a support arm of the ocular lens; the WiFi sending terminal is connected with the camera through a lead; and the image receiving end is connected with the WiFi sending terminal through a wireless signal channel. The instant image transmission system apparatus is arranged on the rotating disk of the optical theodolite, the image receiving end can be hold only by hand of a measurement operator, so that high effectiveness of a range finding process is increased.
Owner:SHANDONG UNIV OF SCI & TECH
A device and method for measuring refractive index based on self-mixing interference
ActiveCN104535535BCompact structureLow costPhase-affecting property measurementsTest sampleRefractive index
The invention discloses a refractive index measurement device based on self-mixing interference, which includes a laser light source, a displacement platform, a reflector, a signal processing unit and a data processing unit, the displacement platform is loaded with a sample to be measured, the laser light source, The sample to be tested and the reflector are sequentially connected in an optical path, the input end of the signal processing unit is connected to the laser light source, and the output end is connected to the data processing unit. The invention also discloses a method for measuring the refractive index based on self-mixing interference. The invention does not need auxiliary optical components such as a beam splitter and a reference mirror of a traditional laser interferometer, has a simple and compact structure, low cost, easy alignment of the device, and wide application range.
Owner:XIAMEN UNIV
A proximity switch detection device and detection method thereof
ActiveCN113917325BLow coordination requirementCircuit interrupters testingControl theoryEmbedded system
Owner:山东天大清源信息科技有限公司
System and method for 3D measurement and monitoring of human head circumference growth
PendingCN110897642AStimulus-free collectionFull Angle AcquisitionDiagnostic recording/measuringSensorsHuman bodyModel reconstruction
The invention provides a system and a method for 3D measurement and monitoring of human head circumference growth. The system comprises a data acquisition module for acquiring RGBD image data collected by a plurality of depth camera devices surrounding the human head of a measured person at 360 degrees; a data splicing module for splicing the RGBD image data acquired by the data acquisition module; a model reconstruction module for reconstructing a 360-degree model of a human head with color and depth; a mark identification module for determining mark points for image testing of the head circumference; a head circumference calculation module for calculating the head circumference length; and a file monitoring module for storing the determined head circumference length into the personal file of the measured person and evaluating whether the current head circumference length and the change of head circumference length are normal according to the head circumference file of the measured person. The system can collect accurate data of human body at all angles without stimulation, identify and calculate image characteristics after re-modeling and determine the head circumference length and the change of head circumference length, and is beneficial to medical research.
Owner:DUKE KUNSHAN UNIVERSITY +1
Bottom thread frame structure and sewing machine
ActiveCN109989191BAvoid occlusionEasy threadingLoop takersIndustrial engineeringElectrical and Electronics engineering
Owner:JACK SEWING MASCH CO LTD
Edge traffic control method, device and storage medium based on service grid
ActiveCN113285885BLow coordination requirementLess intrusiveData switching networksEdge nodeDistribution system
Owner:ALIBABA CLOUD COMPUTING LTD
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