121results about How to "Simplify the test procedure" patented technology

Apparatus comprising a housing; stimulation means mounted to the housing; a biosensor releasably mounted to the housing, the biosensor comprising a plurality of electrodes for detecting a sural nerve response evoked by the stimulation means; acquisition means mounted to the housing and electrically connected to the biosensor for acquiring the sural nerve response; processing means mounted to the housing and electrically connected to the acquisition means for digitizing, processing and storing the acquired sural nerve response; calculation means mounted to the housing and electrically connected to the processing means for calculating the conduction velocity and amplitude of the processed sural nerve response; and display means mounted to the housing for displaying the sural nerve conduction velocity and amplitude; wherein the stimulation means and the biosensor are designed to be placed on a patient's anatomy, in the vicinity of a sural nerve, by manipulating the housing.

The Present invention generally relates to medical diagnostics devices and more specifically to a diagnostic patch attachable to a subject's skin for performing a rapid blood test.A well-known format for performing assays where a sample is applied to a test strip impregnated with assay specific reagents.

A spatially fixed library of mutated cells and a method for creating such a library. The library is created by creating a set of cells having a genetic diversity, causing the cells to multiply and express phenotypes, preparing a solution containing the cells diluted in a medium, populating a plurality of through-holes of a testing plate with the solution such that surface tension holds the solution in respective through-holes, and analyzing the phenotypes of the cells in the solution on a hole-by-hole basis. Cells expressing specified phenotypes may then be retrieved.

The invention provides a device for continuously detecting integrative luminescence properties of a light emitting diode (LED) light source, which comprises a detected sample seat and LED property detecting devices. The device is characterized by also comprising a guide rail, a measure and control device and a data processor, wherein the detected sample seat is arranged on the guide rail; at least two detecting stations are arranged along the guide rail, and each detecting station is provided with the LED property detecting device; the detected sample seat is controlled by the measure and control device to move along the guide rail; the LED property detecting devices detect a detected sample fixed on the detected sample seat and transmit detecting signals to the measure and control device; and the data processor reads the detecting signals from the measure and control device and analyzes the detecting signals. The device solves the problems of low integration level, complicated detecting procedure, and the like universally existing in the prior LED detecting instruments, has more comprehensive and integrative luminescence property detecting capability and effectively realizes an on-line continuous detecting function.

A diagnostic device for performing a diagnostic blood test of a subject comprising a thimble-like element adapted to be engaged with the subject's Finger, a puncturing unit for producing a blood sample from the subject's finger, and an at least one test element in flow communication with said blood sample.

The invention discloses a combined measurement method for organic matter-rich compact rock core gas permeability and diffusion coefficient. The method utilizes a gas pressure attenuation device to accomplish. The device is composed of a rock core holder, a gas storage chamber, a vacuum pump, a confining pressure pump, and a computer. The rock core holder is connected to the vacuum pump and the confining pressure pump respectively, the inlet end of the rock core is connected to the gas storage chamber and a gas source, the outlet end of the rock core is in a closed state, and the device is located in a water-bath heating system. By monitoring the process of the gas in the gas storage chamber flowing to the rock core till balance, a gas pressure attenuation curve can be obtained, then according to a real gas state equation, material balance and the occurrence and flow mechanism of gas in rock, the attenuation curve is divided into a seepage stage and a diffusion stage, thus acquiring the gas permeability and diffusion coefficient. The method provided by the invention simplifies the testing procedure, improves the experimental analysis efficiency, and can provide data support for experimental evaluation of gas mass-transfer ability in shale, coal rock and other unconventional reservoir rocks, gas well productivity prediction and the like.

The invention relates to an apparatus for detecting integrity of foundation piles by using the acoustic transmission method and a detection method used therein, belonging to the technical field of acoustic detection of foundation piles. According to the invention, simultaneous detection of measuring lines at a plurality of directions in the process of one full elevation lifting detection of a profile is realized by arranging at least two tandem radial energy transducers at cable terminals; the method has the advantages of simplified detection procedures and improved detection efficiency, is more favorable for spatial positioning of a defect part and can be extensively used in detection of integrity of foundation piles by using the transmission method.

Improved respirator fit-test methods and apparatus featuring an automated, respirator wearer-controlled, air-leak measurement system. For fit testing of a respirator positioned on a test subject's face and connected to a controlled negative pressure testing apparatus, the test subject simply holds his breath and then activates a switch in electrical connection with said apparatus, which results in the automatic closure of the breathing port on the respirator and the initiation of a complete fit-testing protocol. The fit-testing apparatus includes a single, self-contained, automated unit that includes a vacuum source (30), an air-flow measuring device, and an air-pressure transducer (32) for connection to a respirator (10) being tested. By measuring the rate of air exhausted from the respirator in order to maintain a constant challenge pressure, an air leakage rate is determined.

The invention discloses a checking system and checking method of an unmanned gyroplane PAPI (precision approach path indicator). The system comprises an unmanned gyroplane carrier and a ground station, wherein the unmanned gyroplane carrier comprises an unmanned gyroplane body and a flight controller, a positioning computer, a laser sensor, a GPS module, a data transmission module, a three-axis stability increasing cradle head, a forward-looking camera, a picture transmission module and a down-looking camera which are mounted on a fuselage; the ground station comprises a ground monitor station, a picture transmission base station and a data transmission base station. The checking system and the checking method have the following benefits: characteristics of high automation and autonomy are achieved, the approach process of a true unmanned aerial vehicle can be simulated, and a PAPI light can be detected; the expense is reduced, and the measuring accuracy is quite high; the requirements of various index tests of civil aviation airport PAPI light checking can be met, the traditional operating type namely flight checking can be replaced, a large amount of expense and labor consumption can be saved for the airport, the periodic requirement of PAPI light detection can be met, the accuracy of PAPI light indication is guaranteed, and the potential safety hazards of flight are reduced.

A synchronous cold / thermal response ground thermal property tester relates to a ground thermal property tester. The invention solves the problem that when an air source heat pump type tester is used to test summer heat removal operating condition and winter heat absorption operating condition during the measurement of the ground thermal property, only one operating condition can be tested once and the test result is not accurate. In the tester of the invention, on the cold response side of a water-water heat pump unit, a cold response side water supply pipe, a cold response side flowmeter, a cold response side supply water temperature sensor, a cold response side U tube, a cold response side return water pipe, a cold response side return water temperature sensor and a cold response side circulating pump constitute a loop; and on the thermal response side of the water-water heat pump unit, a thermal response side water supply pipe, a radiator valve, a fin radiator, a heater valve, an electric heater, a thermal response side flowmeter, a thermal response side supply water temperature sensor, a thermal response side U tube, a thermal response side return water pipe, a thermal response side return water temperature sensor and a thermal response side circulating pump constitute the other loop. The synchronous cold / thermal response ground thermal property tester is used in the measurement of the ground thermal property.

A system for testing a wireless network device determines a limit of the sensitivity of the wireless network device under test by adjusting the power of testing apparatuses. A set module sets test parameters. The testing apparatuses transmit a predetermined amount of testing packets based on the test parameters set by the set module. An amount of testing packets received by the wireless network device under test is recorded. A control module compares the amount of testing packets received by the wireless network device under test with a predetermined value to determine whether the limit of the sensitivity of the wireless network device under test complies with a wireless network standard, and the power of the testing apparatuses is adjusted to obtain the limit of the sensitivity of the wireless network device under test. In addition, the present invention discloses a method for testing a wireless network device.

An instrument landing system gliding line check system based on an unmanned aerial vehicle comprises an airborne system, ground facilities and the unmanned aerial vehicle. The airborne system comprises a FPGA (field programmable gate array) processing system, an airborne GPS (global positioning system) receiver, a wireless data transmission module, a course signal receiving unit, a gliding signal receiving unit, an A / D converter and a power source system, and the ground facilities include a ground monitoring station and a data transmission base station. Ground measuring equipment is adopted to improve inaccuracy of instrument landing system gliding line check, the gliding process of a real airplane guided by navigation signals is simulated through the fixed-wing unmanned aerial vehicle, and real-time gliding position information of the airplane is positioned through the airborne GPS receiver, so that the process when the real airplane approaches can be simulated, each index of gliding lines of an instrument landing system can be checked, testing programs are simplified, all testing check tasks can be completed by only one person, testing is more convenient and quicker, and a lot of expenditure and personnel consumption can be saved for primary check of equipment.

A diagnostic device for performing a diagnostic blood test of a subject comprising a thimble-like element adapted to be engaged with the subject's finger, a puncturing unit for producing a blood sample from the subject's finger, and an at least one test element in flow communication with said blood sample.

The invention relates to a system for automatically simulating human pressing keyboard which comprises: electronic products for testing, interface connection device and a micro control unit; wherein the interface connection device is the input / output interface consisted with the electronic product for easily coupled with the output / input interface o the electronic products; the micro control unit has at least one output terminal coupled with the interface connection device, and bases at least one inputted press key signal and converts it into corresponding numeric coding; the numeric coding being outputted with the output terminal and being sent to the electronic product with transmission of the connection interface for performing test.

The invention provides an axial force testing system of a high-temperature rotor system. The system comprises a rotating shaft (1), a base (2), an electromagnetic device (3), a displacement disc (4),a sensor mounting base (5), a radial bearing (6), a displacement sensor (7), a temperature sensor (8), a current sensor (9), a power amplifier (10), a control system (11) and a PC (12). The high-temperature rotor system axial force test system provided by the invention adopts a non-contact measurement mode, bidirectional axial force can be measured after one-time installation, meanwhile, the testdevice does not introduce extra interference to the rotor system, and the service life is relatively long.

Improved respirator fit-test methods and apparatus featuring an automated, respirator wearer-controlled, air-leak measurement system. For fit testing of a respirator positioned on a test subject's face and connected to a controlled negative pressure testing apparatus, the test subject simply holds his breath and then activates a switch in electrical connection with said apparatus, which results in the automatic closure of the breathing port on the respirator and the initiation of a complete fit-testing protocol. The fit-testing apparatus includes a single, self-contained, automated unit that includes a vacuum source (30), an air-flow measuring device, and an air-pressure transducer (32) for connection to a respirator (10) being tested. By measuring the rate of air exhausted from the respirator in order to maintain a constant challenge pressure, an air leakage rate is determined.

The invention discloses a high definition camera overall characteristic detecting device and method. The detecting device comprises a detecting unit, a measurement control computer, a four-axis motion platform, a luminance detecting unit, an illumination lamp box illuminance control unit and a two-axis rotating motion test support. A sample-to-be-detected bearing table is arranged on the four-axis motion platform, at least three detecting stations are arranged on the two sides or at the front position and the rear position of the four-axis motion platform, and a high definition camera overall characteristic detecting device body is arranged on each detecting station. The two-axis rotating motion test support serves as a first detecting station and is located right in front of the X axis of the four-axis motion platform. By means of the high definition camera overall characteristic detecting device and method, the problems that an existing high definition camera imaging quality and performance detecting device has simple and backward conditions, adopted test methods, means and devices are single, and a test is conducted through a manual and subjective method are solved. Assembly and disassembly adjustment at one time, continuous multi-station multi-parameter tests and automatic tests are achieved, so that the test efficiency is effectively improved.

The 3 dB frequency bandwidth of a phase-locked loop (PLL) is determined by measuring the frequency of a voltage controlled oscillator (VCO) signal when an up charging current is applied, measuring the frequency of the VCO signal when a down charging current is applied, and then using the two frequency measurements to calculate the 3 dB frequency bandwidth of the PLL. The up and down charging currents can be applied through a charge current switch system and the frequency measurements can be made with a frequency counter, both of which are monolithically integrated with the PLL. The technique for measuring the 3 dB frequency bandwidth can be applied to a first order or a second PLL. When applied to a second order PLL, the technique includes an initial frequency centering operation.

A testing device for testing computer peripheral devices with Universal Serial Bus (USB) is provided. The testing device includes a CPU, a memory with a predetermined firmware program inside, which is connected to the CPU, a control chip with USB interface, which is connected to the CPU and is provided with a plurality of connecting ports for connecting with peripheral devices to be tested. The firmware program inside the memory is used for controlling the CPU to test the peripheral devices to be tested through the control chipset. According to one CPU and each peripheral device connected through by a control chip with USB interface for processing test procedures only, the hardware could be more simpler and efficiency.

The invention discloses a water-turbine generator set guide vane water leakage detecting method and system. The water-turbine generator set guide vane water leakage detecting method comprises the following steps: measuring a variation curve of the pressure difference between the water level of an inclined shaft segment or an air vent of a water inlet pipeline and the tailwater level before and after a flow channel flat-pressing device is shut down, so as to obtain a variation curve of the guide vane before-and-after pressure head; based on a secondary least square fitting model, carrying out segmented slip fitting, acquiring the maximum point of an absolute value of the curve tangent slope as a time point for the shut-down of the flow channel flat-pressing device, acquiring the guide vanebefore-and-after pressure head at the time point for the shut-down of the flow channel flat-pressing device through a solution, and acquiring the guide vane before-and-after pressure head reduction rate; and based on the guide vane before-and-after pressure head reduction rate and the horizontal section area of the inclined shaft segment or the air vent of the water-turbine water inlet pipeline, calculating the water-turbine generator set guide vane water leakage. By adoption of the water-turbine generator set guide vane water leakage detecting method and system disclosed by the invention, thetransient process of water pressure fluctuations caused by the shut-down of the flow channel flat-pressing device can be filtered out; the interference of the gate water leakage in the calculation ofthe guide vane water leakage can be fundamentally eliminated; and the advantages that the detecting result is correct and the testing operation is rapid can be achieved.

The invention relates to a pixel array and a driving method thereof as well as a display panel adopting the pixel array. The pixel array comprises a plurality of pixels, a plurality of scanning lines, a plurality of data lines and a source electrode driving circuit. In the invention, P (2m, n) represents the pixels in the 2m row and the n line, G (2n) represents the 2nscanning line, and X (m) represents the m data line, wherein the m and the n are both integral numbers. During the time of the t frame, the source electrode driving circuit respectively drives pixels P (2m-1, n), P (2m, n), P (2m-1, n+1), P (2m, n+1), P (2m-1, n+2), P (2m, n+2), P (2m-1, n+3) and P (2m, n+3) through positive polarity, negative polarity, negative polarity, positive polarity, negative polarity, positive polarity, positive polarity, negative polarity, and the like via a data line X(m). The testing procedure of the pixel array is simpler.

A through-silicon via (TSV) testing structure is disclosed herein and includes a plurality of controllers, a plurality of transmitters and a plurality of receivers. The controllers are configured to output a first controlling signal and a second controlling signal. The transmitters are respectively connected to the output end of the through-silicon via and one of the controllers, and output a testing output signal in accordance with the first controlling signal and the second controlling signal. The receivers are respectively connected to the input end of the through-silicon via and another one of the controllers, and input a testing input signal in accordance with the first controlling signal and the second controlling signal.

The invention discloses a calibration device and a calibration method for a static force level gauge. The calibration device comprises a lifting device and a detection device, the lifting device comprises a control piece and a moving piece, the control piece is connected with the moving piece, the control piece controls the moving piece to move up and down, the moving piece is further connected with the detection device, the detection device detects the amount of movement of the moving piece, and the moving piece is used to bear the static force level gauge. The calibration device for the static force level gauge has the advantages that: the calibration device for the static force level gauge uses the lifting device to regulate the lifting of the static force level gauge to simulate the floating and sinking of a test point, then the calibration is much closer to the actually acquired data of a project, the data measured by the detection device are compared with the data detected by thestatic force level gauge, the measurement accuracy of the static force level gauge is more intuitively judged, the testing procedure is simple, and the unnecessary errors are avoided.

The present invention discloses a test device and test method for a multimedia data card and the multimedia data card of a mobile phone, wherein, the test device includes a printed circuit board (PCB) and the PCB is equipped with a detachable connection slot module which is used for connecting with each module to be tested; the test device for the multimedia data card includes a micro-connector and one end of the micro-connector connects with the connection slot module; the other end of the micro-connector connects with a PCB tester; the related data are transmitted to the PCB tester through the connection slot module and the micro-connector. By the present invention, the PCB can be tested once the PCB tester connects with the micro-USB-connector; the plug is convenient; operations such as windowing and positioning are not needed; test efficiency is improved; and the cost of developing test fixture for connecting these test points and the cost of test and manufacture are reduced.

The invention provides a testing method of a unit to be tested, comprising the following step of electrically connecting the unit to be tested to a testing machine platform, wherein the testing machine platform produces a test script and executes the test script so as to perform non-operation system test and operation system test to the unit to be tested, and the test results can be combined so as to simplify testing procedures, shorten the testing time and improve the accuracy of the test.