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32results about How to "Functional testing is convenient" patented technology
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Compositions and methods useful for treating and preventing chronic liver disease, chronic HCV infection and non-alcoholic steatohepatitis
InactiveUS20050123628A1Reduce oxidative stressReduce lipid peroxidationBiocideDipeptide ingredientsChronic viral hepatitis CLipid peroxidation
The invention relates generally to compositions comprising antioxidants useful for reducing oxidative stress and lipid peroxidation, and treating chronic liver disease, chronic hepatitis C virus infection and non-alcoholic steatohepatitis. In particular, the invention relates to the preparation and oral administration of compositions comprising glycyrrhizin, schisandra, ascorbic acid, L-glutathione, silymarin, lipoic acid, and d-alpha-tocopherol. The invention also relates to the preparation and parenteral administration of compositions comprising glycyrrhizin, ascorbic acid, L-glutathione, and vitamin B-complex, preferably by infusion or intravenous injection. The invention further relates to methods of using the antioxidants, oral compositions and parenteral compositions.
Owner:ZABRECKY GEORGE
Compositions and methods useful for treating and preventing chronic liver disease, chronic HCV infection and non-alcoholic steatohepatitis
InactiveUS7078064B2Reduce peroxidationReduce stressBiocideDipeptide ingredientsChronic viral hepatitis CLipid peroxidation
The invention relates generally to compositions comprising antioxidants useful for reducing oxidative stress and lipid peroxidation, and treating chronic liver disease, chronic hepatitis C virus infection and non-alcoholic steatohepatitis. In particular, the invention relates to the preparation and oral administration of compositions comprising glycyrrhizin, schisandra, ascorbic acid, L-glutathione, silymarin, lipoic acid, and d-alpha-tocopherol. The invention also relates to the preparation and parenteral administration of compositions comprising glycyrrhizin, ascorbic acid, L-glutathione, and vitamin B-complex, preferably by infusion or intravenous injection. The invention further relates to methods of using the antioxidants, oral compositions and parenteral compositions.
Owner:ZABRECKY GEORGE
Device and method for testing network switching equipment
The invention provides a device and a method for testing network switching equipment, wherein the device comprises: a main control unit connected with a test execution unit and an Ethernet interface treatment unit respectively and used for sending a test command to the test execution unit, receiving test results and sending port switching control information to the Ethernet interface treatment unit; the Ethernet interface treatment unit used for mutually connecting a plurality of ports of the unit according to the switching control information; and the test execution unit used for receiving the test command to configure a tested system veneer and further used for sending out test data through the test port, comparing returned data with the test data and reporting the test results to the main control unit. By the application of the technology provided by the invention, special instruments are not needed, and all main composition units are acquired easily and have low cost and no technical difficulties, thus being beneficial to the reduction of cost input for testing equipment; and the method can test the functions of the tested system veneer conveniently and rapidly, thus being suitable for the production test of the network switching system veneers produced in large scale.
Owner:ZTE CORP
Cleaning machine table for semiconductor package products and cleaning process thereof
ActiveCN102097293AGood cleaning effectImprove cleanlinessSemiconductor/solid-state device manufacturingCleaning using liquidsProcess engineeringProduct function
The invention discloses a cleaning machine table for a semiconductor package products and a cleaning process thereof. The cleaning machine table comprises a control panel, a cleaning operation area and a drying area, wherein the control panel is arranged on the upper part of a front face of the machine table and is used for controlling the cleaning procedure; the cleaning operation area is arranged in the middle of the front face of the machine table, is in a shape of a hollow groove and comprises more than one cleaning slots, and the cleaning machine table is provided with an ultrasonic generation device corresponding to each cleaning slot so that the semiconductor package products in the cleaning slots can be cleaned by the ultrasonic waves; and the drying area is used for drying the cleaned products. The cleaning process comprises the following steps of ultrasonic chemical cleaning, ultrasonic washing in water and drying. After cleaned, the residual glue on the semiconductor package product can be nearly and completely removed so that the product performance is greatly improved and the following product function test is convenient.
Owner:嘉盛半导体(苏州)有限公司
Three-phase simulator of current-response permanent magnet synchronous motor and drive system thereof
InactiveCN107645253ARealize simulationImprove reliabilitySingle motor speed/torque controlModelling/simulations for controlTest efficiencyElectric machine
The invention provides a three-phase simulator of a current-response permanent magnet synchronous motor and a drive system thereof. The three-phase simulator comprises at least two three-phase DC / AC converters, an electrical impedance network, a direct current power supply, a drive behavior processor, a motor behavior processor, a voltage control link and a current control link. Each three-phase DC / AC converter is used to simulate the working status of the permanent magnet synchronous motor and the drive system thereof at the circuit level. The drive behavior processor is used to simulate theelectrical characteristics of the drive system. The motor behavior processor is used to simulate the electrical and mechanical behavior characteristics of the permanent magnet synchronous motor. According to the invention, the simulator can simulate voltage applied to the three-phase permanent magnet synchronous motor port by the drive system and the current response of the permanent magnet synchronous motor to the voltage, so as to simulate the dynamic and static electrical and mechanical behaviors of the permanent magnet synchronous motor and the drive system thereof; the simulator can realize all-electric experiment and test of the motor and the drive system thereof; the test cost is saved; and the test efficiency and safety are improved.
Owner:SHANGHAI JIAO TONG UNIV
Simulator For Use With a Breathing-Assist Device
InactiveUS20080200966A1Functional testing is convenientPrediction is simpleRespiratorsElectrotherapyIntensive care medicineBreathing process
Function testing of a ventilator using an EMG or other bioelectric signal representative of the breathing of the patient to control ventilation is enabled by a simulating device for use with a breathing related device for monitoring and / or controlling a patient's breathing, the simulating device including a signal generator for providing a simulated bioelectric compound signal related to the patient's breathing function, and a contact for outputting the simulated bioelectric compound signal. The simulating device can also be used for training purposes and in the development of new ventilators.
Owner:MAQUET CRITICAL CARE
Multifunctional communication circuit board test device
ActiveCN109696619AAchieve installationAchieve disassemblyPrinted circuit testingMeasurement instrument housingTest efficiencyEngineering
The invention discloses a multifunctional communication circuit board test device. The test device includes a device frame assembly, wherein a top portion of the device frame assembly is equipped witha top board, a bottom portion of the device frame assembly is equipped with an electric box, an upper end of the electric box is equipped with a test platform, an upper surface of the test platform is parallelly provided with two sets of sliding rods, the two sets of sliding rods are respectively equipped with a left bearing board and a right bearing board in a sliding mode, upper ends of the left bearing board and the right bearing board are respectively provided with a circuit board, and the middle near a back end between the top board and the test platform is equipped with a supporting sliding board. The test device is advantaged in that circuit boards of various models can be tested in functions, strong adaptability is realized, two sets of circuit boards are simultaneously tested, workers are convenient to replace the circuit boards, test efficiency is improved, transverse and vertical fixing of the circuit boards can be realized, integral stability can be guaranteed, and test accuracy is improved.
Owner:安徽米兰电子科技有限公司
Simulation system of voltage response type three-phase permanent magnet synchronous motor
ActiveCN107807295AConvenient reliability analysisFunctional testing is convenientEnvironmental/reliability testsDynamo-electric machine testingPermanent magnet synchronous motorPermanent magnet synchronous generator
The invention provides a simulation system of a voltage response type three-phase permanent-magnet synchronous motor. The simulation system comprises a three-phase DC / AC electric and electronic converter, a direct-current power supply port, a motor behavior processor and a voltage control link. The three-phase DC / AC electric and electronic converter is used for simulating port voltage response ofthe three-phase permanent-magnet synchronous motor during current inputting and performs electric energy exchange with an external motor driving system. The motor behavior processor is used for describing the electrical and mechanical behavior characteristics of the three-phase permanent-magnet synchronous motor. The voltage control link is used for using a permanent-magnet synchronous motor portvoltage signal calculated by the motor behavior processor as a reference and controlling alternating-current-end output voltage of the three-phase DC / AC converter. The simulation system can directly perform electric energy exchange with a real motor driving system and effectively simulate port voltage response of the three-phase permanent-magnet synchronous motor during current inputting of the motor driving system, achieves full-electrical motor driving testing, saves the testing cost and improves the testing efficiency and safety.
Owner:SHANGHAI JIAO TONG UNIV
Test auxiliary device
InactiveCN103630821AEasy to disassembleEasy to assembleElectronic circuit testingElectrical and Electronics engineeringTest program
The invention brings forward a test auxiliary device used for testing a first circuit board and a second circuit board of a mobile terminal. The first circuit board is provided with a test chip, and a test program is recorded in the test chip. The test auxiliary device comprises a base bench, an additional circuit board, and a pressure fitting structure. The base bench is provided with multiple test pins. The additional circuit board is detachably assembled on the base bench. The additional circuit board comprises a bearing body provided with multiple through holes which are corresponding to the multiple test pins arranged on the base bench; a touch display screen which is arranged on the bearing body; a first combination fixing column which is arranged on the bearing body and used for fixing the first circuit board; a second combination fixing column which is arranged on the bearing body and used for fixing the second circuit board; and multiple connecting wires which are arranged on the bearing body and used for electrically connecting the first circuit board and the second circuit board, the first circuit board and the touch display screen, and the first circuit board and multiple external functional components or the second circuit and the multiple external functional components. The pressure fitting structure is fixedly connected with the base bench and provided with multiple test pins. The test auxiliary device is convenient for circuit board assembling and testing.
Owner:上海万得凯实业有限公司
A test module for a fingerprint sensing device
ActiveCN109791177AImprove functional testingEven contactElectronic circuit testingMeasurement arrangements for variablePhysicsElectrically conductive
There is provided a test module (100) for testing a fingerprint sensing device (110) comprising: an electrically conductive bottom element (102) comprising an exterior surface portion configured to contact a sensing surface of the fingerprint sensing device; an electrically conductive intermediate element(106), connected to the bottom element on a side opposing the exterior surface, the intermediate element comprising a flexible material enabling the bottom element to change alignment in response to an applied force occurring when the exterior surface is pressed against a surface being tiltedwith respect to the exterior surface of the bottom element; and a top element (108) configured connect the test module to a test fixture. There is alsoprovided a method for testing a fingerprint sensing device using the described test module.
Owner:指纹卡安娜卡敦知识产权有限公司
Cleaning machine table for semiconductor package products and cleaning process thereof
ActiveCN102097293BConsistent cleanlinessKeep drySemiconductor/solid-state device manufacturingCleaning using liquidsSemiconductor packageProcess engineering
The invention discloses a cleaning machine table for a semiconductor package products and a cleaning process thereof. The cleaning machine table comprises a control panel, a cleaning operation area and a drying area, wherein the control panel is arranged on the upper part of a front face of the machine table and is used for controlling the cleaning procedure; the cleaning operation area is arranged in the middle of the front face of the machine table, is in a shape of a hollow groove and comprises more than one cleaning slots, and the cleaning machine table is provided with an ultrasonic generation device corresponding to each cleaning slot so that the semiconductor package products in the cleaning slots can be cleaned by the ultrasonic waves; and the drying area is used for drying the cleaned products. The cleaning process comprises the following steps of ultrasonic chemical cleaning, ultrasonic washing in water and drying. After cleaned, the residual glue on the semiconductor package product can be nearly and completely removed so that the product performance is greatly improved and the following product function test is convenient.
Owner:嘉盛半导体(苏州)有限公司
Industrial control protocol data stream processing method and device, equipment and storage medium
ActiveCN114157461AGenerate flexibleFunctional testing is convenientTotal factory controlSecuring communicationComputer networkData stream processing
The invention discloses an industrial control protocol data stream processing method, device and equipment and a storage medium, relates to the technical field of industrial control network security testing, and is used for solving the problems of large error and missed testing caused by flow static playback and improving the industrial control flow simulation effect. The method comprises the following steps: obtaining an industrial control protocol behavior request; wherein the industrial control protocol behavior request is used for indicating to send an analog data stream corresponding to a target industrial control protocol behavior to target industrial control network security equipment; generating an industrial control protocol request data stream corresponding to the industrial control protocol behavior based on the industrial control protocol behavior and at least one pre-constructed industrial control protocol template library; wherein the industrial control protocol template library comprises an industrial control protocol template of an industrial control protocol behavior corresponding to at least one industrial control protocol; and calling a data forwarding component, and sending the industrial control protocol request data stream to target industrial control network security equipment.
Owner:NSFOCUS INFORMATION TECHNOLOGY CO LTD +1
High-precision waveform inversion system
InactiveCN113504467AHigh precisionFunctional testing is convenientShort-circuit testingCircuit interrupters testingSmart switchControl theory
The invention relates to a high-precision waveform inversion system. The system comprises a primary voltage and current power source, a primary signal driver and a wave recorder, wherein the signal output end of the primary voltage and current power source is connected with the signal input end of the primary signal driver, the output end of the primary signal driver is connected with the signal input end of the wave recorder, and the signal feedback end of the wave recorder is connected with the primary voltage and current power source. The system has the advantages that the fault waveform inversion system hardware design is carried out aiming at the problems of single means and low automation level of the current single-phase earth fault function test, the high precision of the inversion waveform is ensured, and the function test of single-phase earth fault processing can be conveniently carried out aiming at the primary and secondary fusion intelligent switch.
Owner:STATE GRID JIANGSU ELECTRIC POWER CO LTD SUQIAN POWER SUPPLY BRANCH +2
Server board card FCT jig and automatic lifting sliding table device thereof
ActiveCN110988656AFunctional testing is convenientEfficient Functional TestingLinear bearingsPrinted circuit testingMechanical engineeringTest station
The invention discloses an automatic lifting sliding table device. The device includes a slide way that is laid and extended in the flowing direction of an FCT station, an installation bottom plate that is arranged on the slide way in a sliding mode and moves back and forth between a function test station and a carrier plate replacement station, an installation carrier plate that can vertically move, is detachably arranged on the installation bottom plate and is used for adaptive installation of a server board card, and a vertical driving mechanism that is arranged on the installation bottom plate and is used for driving the installation carrier plate to vertically lift so as to enable the currently carried server board card to enter the function test station or driving the installation carrier plate to vertically lift so as to enable the installation carrier plate to enter the carrier plate replacement station. According to the invention, the function test of the server board card canbe conveniently and efficiently completed, and adaptive installation of different server board cards can be realized only by disassembling and replacing the installation carrier plate, the application range of different server board cards can be greatly expanded, and the test cost is reduced. The invention further discloses a server board card FCT jig, and the beneficial effects of the server board card FCT jig are as mentioned above.
Owner:INSPUR SUZHOU INTELLIGENT TECH CO LTD
Duct detector with improved functional test capability
ActiveUS8939013B2Functional testing is convenientScattering properties measurementsFire alarm smoke/gas actuationParticulatesFunctional testing
A device and method for facilitating convenient functional testing of a duct detector is provided. The device includes a duct detector having a remote-controlled test light mounted in a housing thereof, and a detector chamber defined by a filter screen and a plurality of labyrinth members that allow light emitted by the test light to enter the detector chamber. A functional test of the duct detector can be conducted by activating the test light. If the detector is functioning properly, an amount of light emitted by the test light will be detected by the light detector, thereby simulating the presence of an excessive amount of particulate within the detector chamber. The light detector will then generate an output signal that will cause the actuation of alarms and / or the deactivation of a blower system, thereby indicating functionality of the duct detector.
Owner:JOHNSON CONTROLS TYCO IP HLDG LLP
Product function testing jig
InactiveCN112091851ATroubleshoot poor job performanceFlexible adjustmentStructural/machines measurementWork holdersFunctional testingScrew thread
The invention discloses a product function testing jig, and relates to the technical field of jigs. Aiming at solving the problem that an existing testing jig is poor in working performance, the following scheme is currently put forwards, specifically, the product function testing jig comprises a workbench, supporting mechanisms are arranged at the two ends of the workbench correspondingly, and fixing frames are slidably arranged at the outer portions of the two ends of the workbench in a sleeving mode correspondingly; and sliding grooves are formed in the two sides of the bottom of the workbench correspondingly, sliding blocks are slidably connected to the two ends of the interiors of the sliding grooves correspondingly, screw rods are rotatably connected to the bottoms of the sliding blocks through bearings correspondingly, the ends, away from the sliding blocks, of the screw rods extend to the lower portion of the workbench, and the positions, on the lower portions of the workbench,of the outer walls of the screw rods are connected with driving sleeves in threaded and sleeved modes. The product function testing jig is simple and reasonable in structure, a user can convenientlyperform function test on a product, the testing jig can be flexibly adjusted, and the product on the testing jig can be simply and conveniently turned over, so that the user can conveniently perform function test on different parts of the product, and the testing jig is high in working performance and convenient to use.
Owner:苏州润明恩电子科技有限公司
Functional testing device, control server and method for distributed control system
ActiveCN106094794BFunctional testing is convenientReduce wiringElectric testing/monitoringFunctional testingDistributed control system
Owner:CHINA TECHENERGY +1
Detection platform for intelligent ad-hoc network data terminal communication station
ActiveCN106533844ARealize independent power supply functionFunctional testing is convenientData switching networksEngineeringVoltage
The invention discloses a detection platform for an intelligent ad-hoc network data terminal communication station. An LED power indicating board is respectively connected with a reset board, an interface board, a self-arrangement board, a power switch, a network switch, a network board and a system board; a mainboard is connected with the network board, the system board and the self-arrangement board; a parallel switch is respectively connected with the reset board, the power switch and the interface board, so as to respectively and independently supply the power to the reset board, the LED power indicating board and the interface board via an external power supply; an independent power supply line is arranged on the self-arrangement board; and a reserved voltage stabilization current module is arranged on the network board and the system board, so as to independently supply the power to the network board, the system board and the mainboard. According to the detection platform disclosed by the invention, through the parallel switch, a reserved flexible printed circuit interface and a method for connecting and providing the power supply line, an independent power supply function and a function test for independent modules and local modules are realized, and a function test method of a component is effectively simplified; and the detection platform is beneficial to finding out an abnormal component quickly, so the analysis time is reduced, and the maintenance efficiency is improved.
Owner:JIANGSU ZHONGLI ELECTRONICS INFORMATION TECH CO LTD
Simulation System of Voltage Response Type Three-phase Permanent Magnet Synchronous Motor
ActiveCN107807295BConvenient reliability analysisFunctional testing is convenientEnvironmental/reliability testsDynamo-electric machine testingSynchronous motorElectric machine
The invention provides a simulation system of a voltage response type three-phase permanent-magnet synchronous motor. The simulation system comprises a three-phase DC / AC electric and electronic converter, a direct-current power supply port, a motor behavior processor and a voltage control link. The three-phase DC / AC electric and electronic converter is used for simulating port voltage response ofthe three-phase permanent-magnet synchronous motor during current inputting and performs electric energy exchange with an external motor driving system. The motor behavior processor is used for describing the electrical and mechanical behavior characteristics of the three-phase permanent-magnet synchronous motor. The voltage control link is used for using a permanent-magnet synchronous motor portvoltage signal calculated by the motor behavior processor as a reference and controlling alternating-current-end output voltage of the three-phase DC / AC converter. The simulation system can directly perform electric energy exchange with a real motor driving system and effectively simulate port voltage response of the three-phase permanent-magnet synchronous motor during current inputting of the motor driving system, achieves full-electrical motor driving testing, saves the testing cost and improves the testing efficiency and safety.
Owner:SHANGHAI JIAO TONG UNIV
test aids
InactiveCN103630821BEasy to assembleEasy to testElectronic circuit testingEngineeringElectrical and Electronics engineering
The invention brings forward a test auxiliary device used for testing a first circuit board and a second circuit board of a mobile terminal. The first circuit board is provided with a test chip, and a test program is recorded in the test chip. The test auxiliary device comprises a base bench, an additional circuit board, and a pressure fitting structure. The base bench is provided with multiple test pins. The additional circuit board is detachably assembled on the base bench. The additional circuit board comprises a bearing body provided with multiple through holes which are corresponding to the multiple test pins arranged on the base bench; a touch display screen which is arranged on the bearing body; a first combination fixing column which is arranged on the bearing body and used for fixing the first circuit board; a second combination fixing column which is arranged on the bearing body and used for fixing the second circuit board; and multiple connecting wires which are arranged on the bearing body and used for electrically connecting the first circuit board and the second circuit board, the first circuit board and the touch display screen, and the first circuit board and multiple external functional components or the second circuit and the multiple external functional components. The pressure fitting structure is fixedly connected with the base bench and provided with multiple test pins. The test auxiliary device is convenient for circuit board assembling and testing.
Owner:上海万得凯实业有限公司
Detection Platform of Intelligent Ad Hoc Network Data Terminal Communication Station
ActiveCN106533844BRealize independent power supply functionFunctional testing is convenientData switching networksData terminalEngineering
The invention discloses a detection platform for an intelligent ad-hoc network data terminal communication station. An LED power indicating board is respectively connected with a reset board, an interface board, a self-arrangement board, a power switch, a network switch, a network board and a system board; a mainboard is connected with the network board, the system board and the self-arrangement board; a parallel switch is respectively connected with the reset board, the power switch and the interface board, so as to respectively and independently supply the power to the reset board, the LED power indicating board and the interface board via an external power supply; an independent power supply line is arranged on the self-arrangement board; and a reserved voltage stabilization current module is arranged on the network board and the system board, so as to independently supply the power to the network board, the system board and the mainboard. According to the detection platform disclosed by the invention, through the parallel switch, a reserved flexible printed circuit interface and a method for connecting and providing the power supply line, an independent power supply function and a function test for independent modules and local modules are realized, and a function test method of a component is effectively simplified; and the detection platform is beneficial to finding out an abnormal component quickly, so the analysis time is reduced, and the maintenance efficiency is improved.
Owner:JIANGSU ZHONGLI ELECTRONICS INFORMATION TECH CO LTD
Detection platform of intelligent ad hoc network data terminal communication base station
ActiveCN106533843BFunctional testing is convenientSimplified Functional Testing ApproachData switching networksData terminalEngineering
The invention discloses a detection platform for an intelligent ad-hoc network data terminal communication base station. The detection platform comprises a power supply, a filter socket, a five-port switching module, a switchboard, network boards, a mainboard, a display screen, a voltage stabilization module and parallel switches, wherein the filter socket is connected with the power supply via the voltage stabilization module; the power supply is respectively connected with the five-port switching module, the switchboard, the display screen and the mainboard via the parallel switches to form four parallel branches; the parallel switch on each parallel branch and the corresponding module are connected via a parallel output line; the five-port switching module is connected with the network boards and the mainboard; and the network boards are connected with the switchboard via network switches. According to the detection platform for the intelligent ad-hoc network data terminal communication base station disclosed by the invention, a power supply line of the power supply to each module is formed via the parallel switches and the parallel output lines, so the independent power supply and a function test for separate modules and local modules are realized, and a function test method of a component is effectively simplified; and the detection platform is beneficial to finding out an abnormal component quickly, so the analysis time is reduced, and the maintenance efficiency is improved.
Owner:JIANGSU ZHONGLI ELECTRONICS INFORMATION TECH CO LTD
Test Modules for Fingerprint Sensing Devices
ActiveCN109791177BFunctional testing is convenientSimple structureElectronic circuit testingMeasurement arrangements for variableEngineeringTest fixture
A test module (100) for testing a fingerprint sensing device (110) is provided, comprising: a conductive bottom element (102) including an outer surface configured to contact a sensing surface of the fingerprint sensing device part; a conductive intermediate element (106) connected to the bottom element on the side opposite the outer surface, the middle element comprising a flexible material that enables the bottom element to respond to being pressed toward the bottom element at the outer surface the force that occurs when the exterior surface slopes to change alignment; and a top member (108) configured to connect the test module to the test fixture. Also provided is a method for testing a fingerprint sensing device using the described testing module.
Owner:FINGERPRINT CARDS ANACATUM IP AB
Circuit test device of micro telecommunications computing architecture (TCA) and test method thereof
InactiveCN102385034BFunctional testing is convenientAvoid Reliability DegradationElectronic circuit testingDaughterboardEngineering
The invention discloses a circuit test device of a micro telecommunications computing architecture (TCA) and a test method thereof. The test method comprises the following steps: vertically inserting a micro TCA carrier hub (MCH) and / or advanced mezzanine cards (AMCs) into external slots of the circuit test device; simulating the AMCs and / or the MCH by virtue of the circuit test device; and respectively establishing a link between the simulated AMCs and / or MCH and the currently inserted MCH and / or AMCs so as to test functions of the inserted MCH and / or AMCs. In the invention, the external slots of the circuit test device are not obstructed by a case so that the signal integrity of the inserted MCH and / or AMCs can be tested conveniently by a signal test instrument without inserting and extracting the AMCs for times, which solves the problem of reduction of the reliability of golden fingers of the AMCs and avoids the procedure of inserting a large number of the AMCs at the same time so as to simplify the test process.
Owner:COMBA TELECOM SYST CHINA LTD
Self-test for yaw rate sensors
ActiveUS8910518B2Functional testing is convenientReduce complexityAcceleration measurement using interia forcesSpeed measurement using gyroscopic effectsFunctional testingActuator
A yaw rate sensor (10) includes a movable mass structure (12) and a drive component (13) which is suitable for setting the movable mass structure (12) in motion (14), and an analysis component (15) which is suitable for detecting a response (40) of the movable mass structure (12) to a yaw rate (Ω). A method for functional testing of a yaw rate sensor (10) includes the following steps: driving a movable mass structure (12), feeding a test signal (42) into a quadrature control loop (44) at a feed point (48) of the quadrature control loop (44), feeding back a deflection (40) of the movable mass structure (12), detecting a measure of the feedback of the movable mass structure (12), and reading out the response signal (47) from the quadrature control loop (44). In the yaw rate sensor (10) and also in the method, the readout of the response signal (47) in relation to a processing direction (45) of the test signal (42) is provided between a feed point (48) for a test signal (42) and an actuator (38) for feeding back a deflection (40) of the movable mass structure (12).
Owner:ROBERT BOSCH GMBH
A method and device for displaying volume information
ActiveCN108182047BRich display methodsImprove user experienceSound input/outputData streamComputer science
The embodiment of the invention discloses a display method and device of volume information. The method comprises the steps that data sampling is conducted on a current audio data frame in audio dataflow according to a preset sampling frequency; the effective values of the volume and the maximum values of the volume of the current audio data frame are calculated according to sampling values; themaximum value of the maximum values of the volume of each audio data frame within a preset time length is obtained to obtain the volume peak value of the audio data flow played within the preset timelength; visualized displaying on a current playing interface of the audio data flow is conducted on the volume effective values, the volume maximum value and the volume peak value. According to the method and the device, the displaying of the volume effective values, the volume maximum value and the volume peak value can be achieved in the playing process of the audio data flow to enrich displaying manners of the volume information and improve using experience of a user.
Owner:WUHAN DOUYU NETWORK TECH CO LTD
A multifunctional communication circuit board testing device
ActiveCN109696619BAchieve installationAchieve disassemblyPrinted circuit testingMeasurement instrument housingTest efficiencyFunctional testing
The invention discloses a multifunctional communication circuit board testing device, which includes a device frame assembly, a top plate is installed on the top of the device frame assembly, an electric box is installed on the bottom of the device frame assembly, and a test box is installed on the upper end of the electric box. Two sets of slide bars are arranged in parallel on the upper surface of the test platform, and a left load plate and a right load plate are slidably installed on the two sets of slide bars respectively, and circuit boards are arranged on the upper ends of the left load plate and the right load plate , a supporting slide plate is installed between the top plate and the test platform near the middle of the rear end; the present invention can perform functional tests on different types of circuit boards, has strong applicability, realizes simultaneous testing of two groups of circuit boards, and is convenient for staff The circuit board is replaced to improve the test efficiency, and the circuit board can be fixed horizontally and vertically to ensure its overall stability, thereby improving the accuracy of the test.
Owner:安徽米兰电子科技有限公司
Function tester for conventional stability control device
InactiveCN106681310AEasy to install and removeEasy to repair and replaceElectric testing/monitoringFastenerTester device
The invention discloses a function tester for a conventional stability control device. The function tester comprises a tester body and a back side of the tester body is provided with a packing groove, and an internal wall of a side of the packing groove away from a packing groove opening is provided with a through-hole. The through-hole is connected with an inside of the tester body and the surrounding of the through-hole is provided with a threaded hole placed on the internal wall of the side of the packing groove far away from the packing groove opening. A card groove is arranged on a side of the tester body and is connected with the packing groove. A cover plate is actively arranged in the packing groove and the surrounding of the cover plate is provided with a fastening hole matched with the threaded hole. A fastener is installed in the fastening hole and the fastener comprises a fixed block which is pressed against a side of the cover plate away from the through-hole. A threaded rod is welded on a side of the fixed block closed to the through-hole. The function tester is convenient to disassemble, install, repair and change, capable of starting an overall test towards a function of the security stability control device, simple in structure and convenient to use.
Owner:武汉华飞智能电气科技有限公司
Method for testing function of gas wireless handhold machine
InactiveCN101408454AImprove test efficiencyFunctional testing is convenientTesting/calibration apparatusStandard functionControl parameters
The invention provides a gas wireless hander function testing method, which comprises the following steps: the reasonable parameter configuration is carried out on a software control stand by a tester according to the preset condition, and the control parameter is sent to a test execution entity by a serial communications module; the control parameter is explained by the test execution entity and then encapsulated into the test data according to the communication standard agreement, and the test data is sent to the tested wireless hander; the tested wireless hander obtains the data result according to the received data; whether the data result of the tested wireless hander and the expected testing result are anastomotic or not is examined, so as to obtain a testing conclusion, generate a testing report, and store or print the testing report. The method of the invention is convenient for the standard function testing to the wireless hander, thus improving the testing efficiency.
Owner:SHANGHAI UNIV +2
A test apparatus for use in the field of communications
InactiveCN109039483AAvoid replacementLow costTransmission monitoringPetroleum engineeringPower module
The invention discloses a test device used in the communication field, which comprises a first splint, a second splint, a test circuit board, a cover plate and a fixture. The fixture is divided into No. 1 support plate and No. 2 support plate, A support plate No. 1 and a support No. 2 are provide with a baffle plate, an adjusting plate is suspended above the baffle plate, the middle part of the adjusting plate is provided with bolt holes, An adjust bolt extends through that bolt hole to the cover plate, and fixedly clamped in a movable hole embedded in the cover plate, wherein a clamping holeis embedded in the side of the cover plate far away from the movable hole, the clamping hole fixedly clamps bolts and is axially movably connected with the bolts, the bolts are threaded to connect thethreaded through holes arranged on the suspension plate, and the suspension plate and the adjustment plate are integrally formed and located in the middle of the adjustment plate; The cover plate isdirectly above the bonding pad, and the bonding pad contains a plurality of probes electrically connected with the test circuit, and the test circuit electrically connects with the power module installed inside the test circuit board.
Owner:合肥鸿坤通信工程有限公司
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