341 results about "LABORATORY TEST PANELS" 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 invention discloses an automatic detection system of an embedded type system based on a testing script technique, comprising a crosslink environment modeling module, a testing panel allocation module, a testing script interpreter, a multi-task scheduling module, an interface drive module, a data collection module, a testing report generation module and a testing management module. The multi-task scheduling module transmits registered tasks interpreted by the script interpreter to the interface drive module through the crosslink environment modeling module, then the interface drive module excites a system to be tested to finish the test, wherein the interface drive module provides uniform interfaces for the system. The invention is a solution to the defects that the traditonal testing system has poor universality and low automatization degree and has the capability for secondary development.

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.

The invention provides a welding operation simulator for CO2 gas shield arc welding. The simulator comprises a control cabinet, an operation console, and a simulation welding gun. The simulation welding gun includes a welding gun rod, a handle, an arc plastic housing, an electric touch pen, a spring, a mobile copper sheet, an inductive proximity switch, an inclination angle sensor, and a nozzle. One end of the electric touch pen is fixedly connected with the mobile copper sheet and the electric touch pen passes through a center of the nozzle that is connected with the mobile copper by the spring. The inductive proximity switch is installed at one end of the welding gun rod and the double-shaft inclination angle sensor is installed at the other end of the welding gun rod. One end of an insulating cylinder is sleeved around the periphery of the nozzle and the other end of the insulating cylinder is sleeved around the periphery of the welding gun rod, wherein the inductive proximity switch is installed at the welding gun rod. One end of the arc plastic housing is connected with the welding gun rod and the other end of the arc plastic housing is connected with the handle. The inductive proximity switch and the double-shaft inclination angle sensor are connected with a computer in the control cabinet; besides, the operation console comprises a touch screen that is used as a welding test panel, wherein the touch screen is connected with the computer in the control cabinet. According to the invention, a training cost is substantially reduced; meanwhile, the training can be carried out safely and efficiently.

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 invention discloses a calibration system of a temperature sensor chip, which comprises a test board and a temperature calibration system, wherein the test panel is provided with a temperature sensor reference chip and a chip to be calibrated; and each chip is connected and communicates with the temperature calibration system through a unified digital interface. The temperature calibration system reads the temperature values of various calibration chips and reference chips through the unified digital interface; and various chips to be calibrated simultaneously acquire the data, thereby realizing synchronous acquisition and calibration of multichip data, greatly improving the acquisition efficiency of the data and reducing the test and calibration time of the chips and calibration cost. The invention has the advantages of simple structure, easy building, short calibration time, high calibration efficiency, low cost, high degree of automation and the like. The invention also discloses a calibration method of the temperature sensor chip.

A panel for a display device includes a display unit, an electrostatic protection wire, a wire being connected to the display pixels, an electrostatic protection circuit, and an electrostatic protection circuit control line. The display unit includes a plurality of display pixels. The electrostatic protection wire is connected to a test pad, the test pad being provided to receive a test signal. The electrostatic protection circuit connects the electrostatic protection wire and the wire connected to the display pixels. The electrostatic protection circuit includes a back-gate-type transistor that has a gate electrode, a drain electrode being short-circuited with the gate electrode, and a back-gate electrode. The electrostatic protection circuit control line includes a first end and a second end, the first end being connected to the back-gate electrode of the back-gate-type transistor.

A solid mesh swimming pool cover incorporates a mesh layer that has been successfully used as a porous mesh cover for several years with a thin impermeable base layer. A two-step polymer coating process seals the mesh to produce a solid safety swimming pool cover of unusual light weight and durability with an abrasion resistant bottom layer that has a low coefficient of friction to facilitate easy removal. The base layer is a plastic or resin product, such as a co-polymer resin, and the top layer is a mesh pool cover fabric, such as polypropylene. Ultraviolet (UV) inhibitors added to both coating step materials insure an extended service life. Since the mesh used for the centrally located mesh panels in the drain type solid cover of this invention uses the same mesh as the rest of the non-porous cover, it is more aesthetically pleasing since it blends in with the rest of the cover.

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 belongs to the technical field of teaching tools, and discloses a welding simulation trainer which comprises a trainer body. The trainer body is provided with a welding platform, a welding machine, gas sources, at least two welding guns and at least two welding gun plugs. The welding platform is provided with a test panel for welding. The welding gun plugs correspond to the welding guns. Welding gun connectors are connected with the welding machine/or the gas source. The welding gun connectors are used for being connected with the welding guns and providing power sources/ or the gas sources for the welding guns. According to the welding simulation trainer, a plurality of welding gun plugs are arranged, all the welding gun plugs are connected with different gas sources or power sources so as to be connected with different welding guns, multiple kinds of welding simulation training can be achieved on the same trainer body, the occupied space of the trainer is small, and the resource utilization rate is high.

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.

A tool box includes a seat unit having left and right support panels mounted on left and right walls of a base. The left and right walls are formed with a plurality of lower slots. The left and right support panels have a plurality of lower inserts which are respectively inserted into the lower slots in the left and right walls, and top ends formed with a plurality of top inserts. A seat panel has two opposite mounting ends, each of which is formed with a plurality of upper slots for receiving the top inserts of the left and right support panels therein.

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.

A lens panel includes a first substrate, a second substrate, and a liquid crystal layer. The first substrate includes a first base substrate, a first electrode disposed on the first base substrate, and a first alignment layer disposed on the first electrode. The first alignment layer includes a unit lens area. The unit lens area includes a first alignment area having a first azimuthal angle and a second alignment area having a second azimuthal angle. The lens panel may be controlled to function as a Fresnel lens by adjusting the azimuthal angle of the alignment layer without electrodes having micro pitch patterns

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.