273 results about "Test panel" patented technology

The present invention discloses a testing circuit and method for thin film transistor display array, for testing the yield of thin film transistor array. The testing circuit comprising: An array tester, a test panel (DUT), a sense amplifier array. The sense amplifier is composed by a plurality of trans- impedance amplifier unit and a plurality of parasitic capacitance discharge circuit unit. Every sense amplifier includes: a trans-impedance amplifier, which is implemented by an operational amplifier, two switches and an operation capacitance, the trans-impedance amplifier is used to form an integrated circuit, the output is transmitted to a sampling/hold circuit via a switch; a parasitic capacitance discharge circuit is used to form a discharge rout for the charge of the parasitic capacitance.

The present invention provides easy-to-use, adaptable, and convenient solutions to a heretofore unmet need for instruments that can incubate and kinetically monitor assays, especially multiwell assays. In particular, the present invention finds use in monitoring assays contained within various test formats, including, but not limited to microtiter plates, miniaturized test panels (e.g., MICROCARDS(TM)), and petri plates.

A diagnostic microbiological testing system and method for microorganism identification (ID) and antimicrobial susceptibility determinations (AST). The system includes multiple-well test panels capable of performing ID and AST testing on the same test panel. Each test panel is inoculated with reagents, broth-suspended organisms, and placed into the instrument system. The instrument system includes a rotating carousel for incubation and indexing, multiple light sources each emitting different wavelength light, precision calorimetric and fluorometric detection, barcode test panel tracking and a control processor for making determinations based on measured test data. One light source includes a plurality of LEDs arranged in a linear array. Each of the LEDs' junction currents are controllable to produce a predetermined illumination profile.

The present invention discloses a test device and test method for the noise reduction headphone. The test device comprises: an enclosed cavity, a noise source, a test panel, a measuring microphone and a measure comparison module connected with the measuring microphone. The sound emitted from the noise source is sealed within the enclosed cavity. The test panel can cooperate with the noise reduction headphone to form a coupling cavity in the test. The test panel has a sound guiding hole in the common part with the enclosed cavity for transmitting the sound of the noise source into the interior of the coupling cavity. The test panel also has a mounting hole, and the measuring microphone is mounted on the mourning hole towards the direction of the coupling cavity. The measuring microphone records noise signals before and after the noise reduction function of the noise reduction headphone is activated. The measure comparison module receives the signals recorded these two times by the measuring microphone and performs comparison processing to obtain noise reduction amount of the noise reduction headphone. The technical solution of the present invention solves the problem of noise pollution caused by high-power external noise sources to the surrounding environment during the test process of noise reduction amount of the headphone, meanwhile, no special shielding room is required, and the requirement on test environment is relieved.

A device and a method are disclosed for testing a curved panel assembly, which simulates a segment of an aircraft fuselage barrel section, subjected to combined loading. The device includes an axial load head assembly attached to the test panel assembly via one axial load fitting and configured to apply an axial load to the test panel assembly, and an axial-torsion reaction box connected to the axial load head assembly via linear journal bearing assemblies, where the axial-torsion reaction box is configured to be rotated by a pair of torsional loading systems to apply a torsional load to the test panel assembly. The device also includes a gore section attached to hoop load fittings of the test panel assembly, configured to provide degrees of freedom that constrain the test panel assembly to load and deflect as it would naturally in an actual fuselage barrel, form a plenum box to apply an internal pressure load, and provide hoop loading systems that complete the full hoop load application to the test panel assembly. A fixed reaction box attached to the test panel assembly via another axial load fitting rigidly attaches the test panel to the self-reacting frame, completing the internal load path of the overall system.

The invention provides a manufacturing method of a porosity reference block for a composite material. The manufacturing method comprises the following steps: (1) overlays of a prepreg are designed according to thickness requirements of the porosity reference block, and glass microspheres are uniformly sprayed on each overlay; (2) a paved workpiece is put into an autoclave to be solidified, the solidified workpiece undergoes trimming to form the reference block, the reference block undergoes ultrasonic non-destructive testing, and an ultrasonic decay signal of the reference block is determined; (3) a porosity test panel with real pore flaws is prepared, the test panel is detected by an ultrasonic fault detector, an area which is the same with the ultrasonic decay signal of the reference block in the Step (2) is found out in the test panel, and the area is marked; and (4) the selected area in the Step (3) undergoes metallographic microscopic analysis and numerical value of porosity is determined.

The application discloses new test panels comprising biomarkers and clinical parameters, for the prediction, diagnosis, prognosis and/or monitoring of hypertensive disorders of pregnancy and particularly preeclampsia; and related methods, uses, kits and devices.

The invention relates to a method and a device for virtual simulation of the automobile technology and practical training through teamwork. The device comprises an automobile technology practical training simulator (1), a remote control platform (2), a network interface (3), a campus network (4), a communication interface (5), a student test terminal (6), multimedia animation teaching software and other teaching resources (7), a test panel (8), a net wire (9) and a data wire (10). By combination of full simulation and semi-simulation, combination of simulation software and a real automobile assembly, combination of a piece of equipment and the internet, combination of practical operation and station simulation, a teamwork environment combining virtual simulation of the automobile technology and the practical training is established. The method and the integrated device can fulfill the purpose of establishing a complicated automobile technology simulating and training system in a certain physical space, in which a plurality of people can participate freely, faculties of touch, sight and hearing responding to each other interactively, and people can feel a sense of field experience.

Methods for constructing multivariate predictive models for diagnosing diseases for which test methods are individually inadequate, including: (a) performing laboratory tests on a statistically significant test population of individuals; (b) generating a score function from a linear combination of test panel results;

• • (c) performing a receiver operating characteristic (ROC) regression or alternative regression technique of the score function using those tests and β coefficients calculated simultaneously to maximize the area under the curve (AUC) of the function and chosen simultaneously to generate the largest area below that portion of the ROC curve for the (1−t₀) quantile of individuals without disease, where t₀ represents the maximum acceptable false-positive rate; (d) calculating individual pre-test disease odds; generating a diagnostic likelihood ratio of disease by determining the frequency of each individual's test score in the diseased population relative to the control population; and multiplying pre-test odds by the likelihood ratio to determine individual post-test disease odds; (e) converting a set of posttest odds into posttest probabilities for each potential multivariate methodology and creating an ROC curve for each methodology by altering posttest probability cutoff values; (f) comparing partial ROC areas generated by one or more regression techniques to determine the optimal methodology; and (g) dichotomizing the optimal methodology by finding that point on the ROC curve tangent to a line with slope (1−p) C/p·B, where p is population prevalence of disease, B is regret associated with failing to treat patients with disease and C is regret associated with treating a patient without disease.

The invention relates to a testing device of a display panel, which is used for testing the line defect of the display panel. The testing device of the display panel comprises a carrying platform, a lower press plate, a conductive rubber block and a signal generator, wherein the carrying platform is provided with a containing groove used for containing the panel to be tested; the lower press plateis rotatablely arranged on the carrying platform and is provided with an observation window which corresponds to the containing groove; the conductive rubber block is arranged on the lower press plate; the signal generator is electrically connected with the conductive rubber block and outputs data signals to the conductive rubber block; and when in a testing state, the lower press plate is covered on the carrying platform, and the conductive rubber block is electrically connected with the panel to be tested. The testing device can effectively screen the panel which has the line defect causedby invalid line fault and leads the subsequent assembly to be continuously carried out, thus not only ensuring the product quality, but also reducing the production cost.

The apparatus comprises: a picking and placing unit and a testing unit. It also comprises a pre clamping mechanism located at the picking and placing unit, a testing table located at the testing unit, a buffer mechanism, and a transfer mechanism. Said buffer mechanism is located at the testing unit and is used for fixturing the panel completing the test; said transfer mechanism is used for transferring untested panel clamped by the pre clamping mechanism to the testing table, and transferring back the tested panel to the picking and placing unit. The invention also reveals a method thereof.

The invention provides a method and a device for panel testing point positioning, and a method and a system for testing a panel, so as to solve the technical problems that the existing testing method is high in error testing rate, high in testing cost and difficult in problem improvement. The method for testing a panel comprises steps: a to-be-tested panel placed on a working table is absorbed; according to a marking point position setting value and a marking point surrounding optical parameter, a testing head is moved to enable the mark appearing on a lens of an image positioning device to be coincident with the marking point on the to-be-tested panel, wherein the marking point position setting value and the marking point surrounding optical parameter are set in a product testing program in advance and stored; according to a detection position setting value, the testing head is moved to be right above the testing point on the to-be-tested panel; the testing head falls to enable the testing probe of the testing head to be contacted with the testing point on the to-be-tested panel; and the product testing program begins to test the to-be-tested panel. The testing cost can be reduced, timely improvement can be carried out in the case of a problem, resources are not wasted, and the benefits of an enterprise can be increased.

The invention provides a scene lead-in type method and device of high-skill practical training of automotive application and maintenance. By introduction of a specific scene and an operation way of an online game, automotive failure setup, failure detection, failure removal and the like and the game scene are combined into a whole. The scene lead-in type device of the high-skill practical training of the automotive application and maintenance is composed of a finished automobile, a practical training platform of each assembly of an automobile, a remote console, a campus network, a failure setup box, student test terminals and test panels of the student test terminals, and is characterized in that the campus network is connected with the remote console through network cables and network interfaces. The remote console is respectively connected with the finished automobile and the training platform of each assembly of the automobile through network cables and network interfaces. The training platform of each assembly of the automobile and the finished automobile are connected with the student test terminals through data lines and communication interfaces in an electric mode. The test terminals are computers and provided with the test panels of the student test terminals. The number of the test terminals is increased or decreased freely according to the number of students participating in the practical training.

The invention discloses a TFT-LCD panel testing system and a testing method thereof, comprising a mechanical structure part and a circuit structure part; the mechanical structure part comprises a panel receiving trough used for receiving the panel to be tested, a probe, a sliding plate used for fixing the probe, a handle used for pressing and jointing the probe and the testing points on the panel, and a power switch; the circuit part comprises a panel driving circuit and a back light generation circuit; the required voltage waveform is generated by a square wave generation circuit; furthermore, different voltage waveforms are added on the panel testing points to drive the LCD by the probe so as to display different colours, thus detecting the defected panel. The LCD panel can be detected before the IC is bound, and the panel with defects such as bad point, line lack, row lack, etc., can be detected so as to reduce the additional cost caused by the poor production material.

The invention discloses a test panel welding fixture. The test panel welding fixture comprises a clamp body (1), a flange plate (2), a support column (3) and a base (4). The clamp body is symmetrically arranged both in the longitudinal direction and in the transverse direction, and the upper surface of the clamp body is provided with support racks (1.1), support boards (1.3) and hinge shafts (1.2); a dial (1.4) is fixedly arranged on the front vertical surface; the bottom of each support board is provided with an angle adjusting device (1.5); the bottom of a cushion block (1.14) is provided with a cushion block lifting adjusting device (1.11); the flange plate is fixedly connected with the clamp body; one end of the support column is connected with the flange plate through a bearing (2.1), and the other end of the support column is fixedly connected to the base; the upper surface of the base is provided with locking devices (4.1) matched with positioning blocks (1.15). The test welding fixture can easily and accurately adjust a test panel to a required welding anti-deformation angle, can be applied to various test panels and can improve the welding efficiency and meanwhile reduce the labor intensity of welding personnel.

The invention provides a manufacturing method of a liquid crystal display panel with a narrow bezel. A plurality of panel units arranged in an array mode are manufactured on the liquid crystal display master panel, a group of testing points are arranged corresponding to the panel units, a group of thin film transistors and a control signal point are arranged corresponding to each panel unit, and the testing points and the control signal points are all arranged on the outer side of the panel unit array. When panel unit testing is conducted, one corresponding group of thin film transistors are controlled to be connected by transmitting a control signal to the control signal point corresponding to a to-be-tested panel unit, a testing signal is transmitted to one corresponding group of testing points, control signals are transmitted to the other control signal points to control the corresponding groups of thin film transistors to be cut off so that it can be ensured that each panel unit can be tested independently, the bezel size of the liquid crystal display panel manufactured after a cutting process is reduced, and the narrow bezel of the liquid crystal display panel is easily achieved.

A nuclear instrumentation and control system, comprising: an input module, receiving analog inputs from sensors and digital signals from hardware switches; a dual redundant bi-stable processor, connecting to the input module; a dual redundant local coincidence logic processor, connecting to the dual redundant b0-stable processor; an output module, connecting to the dual redundant local coincidence logic processor; an integrated communication processor, connecting to the dual redundant bi-stable processor and the dual redundant local coincidence logic processor; an interface and test panel, connecting to the dual redundant bi-stable processor, the dual redundant local coincidence logic processor and the integrated communication processor; and a video display unit, connecting to the dual redundant bi-stable processor, the dual redundant local coincidence logic processor, the integrated communication processor and the interface and test panel. Thereby, a qualification and certification tools for design and development of safety related equipment and explains the basis for many decisions made while performing the digital upgrade.

The invention discloses a system for measuring the pressure response time of pressure sensitive paint by a shock wave method, consisting of a shock wave generator, a test panel, a dynamic pressure sensor, an UV (Ultra Violet) flashlight, a CCD (Charge Coupled Device) camera, a slide bar, a stop dog, a driving motor, a spring and a damping device. The shock wave generator is arranged on the slide bar on the back surface of the test panel and fixed on the back surface of the front end of the test panel along the direction of airflow through the stop dog. In a supersonic velocity wind funnel environment, the measurement of the pressure response time of the pressure sensitive paint is realized by utilizing the shock wave method; in the test, the stop dog in front of the shock wave generator is removed by the driving motor; the shock wave generator moves toward the downside of the airflow along the slide bar under the action of the spring and the airflow, so as to ensure that shock wave scans over the dynamic pressure sensor and the pressure sensitive paint on the surface of the test panel; and a test image is obtained via the CCD camera. By the system, the characteristic indexes of the pressure response time of the pressure sensitive paint can be simply and reliably measured.

The invention discloses a detection system and method for onsite power supply and charging equipment, and the system is of an integrated type and is divided into a plurality of regions. The system specifically comprises a power equipment region, a power supply testing equipment region, an equipment control and data collection region, a testing panel region, and a load placing region. The power equipment region is used for achieving the stable power supply during the system detection, and the power supply testing equipment region is used for collecting a signal of tested power supply equipment and transmitting the signal to the equipment control and data collection region. The equipment control and data collection region is used for the charging and discharging control of the tested power supply equipment and the real-time recording of the test data of the tested power supply equipment. The equipment is disposed outside a container. During outdoor operation, the system is effectively protected from being affected by the environment conditions, and guarantees the progress of testing operation.

The invention discloses a non-interlayer discontinuous pressure adding and vacuum diffusion bonding technology for copper and aluminum alloy. The technology comprises the steps of putting copper and aluminum or aluminum alloy test panels ready to be welded in a vacuum chamber of a vacuum diffusion welding device, controlling vacuum degree of the vacuum chamber to be 10 <-4> -10 <-5> Pa, starting a heating procedure, controlling rate of temperature raising to be 5-15 DEG C/min, arranging heat preservation platforms at the temperature of 330-350 DEG C and 520-530 DEG C respectively during the temperature-raising process, wherein the time for heat preservation is 5-10 min; then starting a pressure adding procedure to conduct discontinuous pressure adding, continuing raising the temperature to 570-595 DEG C, conducting heat preservation for 40-60 min, and completing the diffusion bonding. According to the non-interlayer discontinuous pressure adding vacuum diffusion bonding technology for the copper and aluminum alloy, under the condition that no interlayer is added, a pattern of discontinuous pressure adding is adopted, an intermetallic compound formed on a diffusion interface of the copper and the aluminum at a high temperature is then broken and dissolved, structure properties of a joint are then improved, and diffusion combination of heterogeneous metals -copper and aluminum- is thus achieved.

The utility model relates to a testing device of the automobile electrical signal, which is characterized in that after an external tapping (4) is connected with an electronic control unit (5) of the automobile or an automobile experiment table (6), or directly connected with the automobile or the automobile experiment table (6), the testing device can directly test the sensor, the actuator and the electrical signal whether the automobile is in running or not. The tests comprise the tests to the resistance, the voltage, the frequency, the pulse width, the duty factor, the oscillography and the breakover of the electrical signal. In fact, the external tapping (4) is a control module which can control the switch-on and switch-off of the inlet and outlet line, the line-to-ground short circuit, and the mutual short circuit among each line through the computer or the remote control. The test panel (2) is changeable and can test the electrical signal for a plurality of automotive type and a plurality of electronic systems of the automobile. The external tapping (4) can be connected with a plurality of test boxes (1) according to the need so as to achieve the group test.

The testing device for high-temperature ageing of display comprises: a heat furnace member to provide a testing temperature, a frame member with a drive circuit and a lamp and a side board arranged a plurality of testing units with every one connected to a testing board, and a movable base to support the frame and permit it in or out from the furnace..

The present invention discloses a fish-eye lens test method and device. The method comprises: providing a fish-eye lens; selecting a plurality of fields of view in the angle of visual field of the fish-eye lens, and correspondingly arranging at least one test panel at any one field of view; and performing resolving power test through electrifying the fish-eye lens. According to the technical scheme, the resolving power test of a plurality of fields of view in the angle of visual field of the fish-eye lens is performed to allow the test result of the resolving power to approach to the reality so as to provide powerful guarantee for the processing process such as correction of the fish-eye lens, etc.

The invention discloses a novel multifunctional automobile part noise test platform which comprises a main rack and an auxiliary test rack. The main rack comprises a metal bottom plate with wheels. Steel channels are fixed to the metal bottom plate. A steel channel base is movably installed on the steel channels. The two steel channels with openings opposite are fixedly installed on the steel channel base. Each steel channel is provided with a sliding block inside. Each sliding block is used for fixing an article to be tested and fixed to the corresponding steel channel through a bolt. The auxiliary test rack comprises a movable trolley provided with a supporting rod. The supporting rod is provided with a foldable mechanical arm. A test panel is installed at the tail end of the mechanical arm. An iron wire grid plate is installed on the test panel and serves as a reference grid. A test instrument is installed on the back portion of the iron wire grid plate. Under the condition that each noise test use standard is met, the novel multifunctional automobile part noise test platform is low in manufacturing cost and reliable in performance. Automatic data collection and analysis can be achieved on the upper plane, the front plane, the back plane, the left plane and the right plane, the structure is thin and light, and the reflectivity of sound is small.

The invention provides a building curtain wall safety state remote detection method based on a laser vibration measurement technology, and belongs to the technical field of building curtain wall safety detection. The method comprises the following steps: firstly, setting a laser vibration measurement signal acquisition system; then selecting curtain wall panels with the same specification and goodquality condition for testing, performing fast Fourier transform (FFT) on vibration time domain signals to obtain a vibration spectrogram of the tested components, and taking the obtained data as reference data; carrying out testing and FFT conversion on other curtain wall panels to be tested, comparing obtained results with the reference data, and comprehensively evaluating the safety states ofthe curtain wall panels according to comparison results; and finally, carrying out multi-point test on the tested panels, and preliminarily judging damaged (loosened or degummed) parts according to the spectrum curve peaks at different test points. According to the method, remote and rapid detection can be realized, and the detection cost and the operation risk can be greatly reduced.

The present invention provides a flat panel display tester comprising a testing unit including a stage for mounting panels thereon, a panel-conveying unit for separating a tested panel from the stage and simultaneously for feeding an untested panel onto the stage, and a panel-feed unit for discharging the tested panel conveyed by the panel-conveying unit to the outside and for transferring the untested panel to the panel-conveying unit, wherein the panel-conveying unit includes a pair of rails horizontally arranged between the stage and the panel-feed unit; first and second carriers respectively installed on the rails and reciprocating so that panels conveyed along the first and second carriers cross each other; and loaders, respectively provided on the first and second carriers, moving to the stage and the panel-feed unit for directly loading and unloading the panels and then returning to a stand-by state. The flat panel display tester remarkably improves efficiency and productivity of a testing process compared to a conventional flat panel display tester.