682 results about "Test measurement" patented technology

Luminescence test measurements are conducted using an assay module having integrated electrodes with a reader apparatus adapted to receive assay modules, induce luminescence, preferably electrode induced luminescence, in the wells or assay regions of the assay modules and measure the induced luminescence.

Multiplexed test measurements are conducted using an assay module having a plurality of assay domains. In preferred embodiments, these measurements are conducted in assay modules having integrated electrodes with a reader apparatus adapted to receive assay modules, induce luminescence, preferably electrode induced luminescence, in the wells or assay regions of the assay modules and measure the induced luminescence.

Luminescence test measurements are conducted using an assay module having integrated electrodes with a reader apparatus adapted to receive assay modules, induce luminescence, preferably electrode induced luminescence, in the wells or assay regions of the assay modules and measure the induced luminescence.

The invention relates to an analysis appliance for analysis of blood samples, and to a user identification method integrated in the analysis appliance. The analysis appliance comprises a sampling device for taking blood samples, and an analysis device. A delivery device is also provided for transferring the blood samples from the sampling device to the analysis device, wherein the operating parameters concerning sampling, transfer of the sample to the analysis device, and analysis of the sample, can be adapted to the respective user. The operating parameters can be adapted by automatic, spontaneous execution of an automatically determined number of test measurements.

A method, network entity and test controller for establishing a Session Initiation Protocol (SIP) session between a plurality of SIP-based network entities and performing test measurements over the SIP session. The test controller instructs the network entities to establish the SIP session and specifies which test measurements are to be performed. The SIP session is established between the network entities, the test measurements are carried out, and the results are reported back to the test controller by at least one of the network entities, which may be terminals or packet data nodes such as a CDMA2000 Packet data Switched Node (PDSN) or Base Station Controller (BSC). The network entities may comprise SIP user agents and test modules in the forms of software and/or hardware.

Automated monitoring and management of well tests of hydrocarbon wells in a production field. Routing of the output of a well to a flow meter, separated from the output from other wells in the field, is detected by a computer system such as a server. Measurement data including the flow as measured by the flow meter, and also other measurements such as temperatures and pressures contemporaneous with the flow meter measurements, are acquired by the computer system; a stable period is identified, over which the flow test measurement data are considered valid. Upon completion of a specified duration or upon a change in the flow environment, the computer system notifies the user of the completion of the flow test. The flow test results can be used to modify predictive well models, with the modification dependent on validation by the user. The system can also plan and schedule future flow tests.

Various embodiments of a technique in which test strip lots can be prepared without requiring a user to input any calibration information before performing a test measurement with a test strip from the test strip lots. In a first aspect, a method of manufacturing a plurality of test strips by adjusting amount of mediators and working electrode area is described. In another aspect, a method of preparing a reagent ink by adjusting the density of the reagent ink to substantially match a target density is described. In a further aspect, a method using a high numerical Shores Hardness squeegee in conjunction with high pressure is provided. In a further aspect, a method of performing an analyte measurement with a test meter, the test meter being configured to not receive a calibration input, and where the test strip manufactured to any one of the methods or techniques described and illustrated herein.

A method for testing an installed wiring harness is provided. The method comprises providing a signal source testing module at a first node in the wiring harness and a measurement termination testing module at a second node in the wiring harness. A central management module for controlling the testing modules coordinates the testing modules to send testing signals for performing tests and recording test measurements of the installed wiring harness. The testing modules send the test measurements to the management module.

A switched digital video broadcast network provides in-service testing of digitized broadcast video signals subject to analog-to-digital and digital-to-analog conversion. The network includes a plurality of gateways, each gateway coupled to video signal sources and sink. Video frames transmitted on the network are subject to analog-to-digital and digital-to-analog conversion and compression in an MPEG 2 encoder/decoder. Each gateway and includes a test pattern generator and test measurement analyzer for in-service testing of the video signals. The test pattern generator inserts a test signal on pre-selected lines (22, 23 or 261,262) in a Video Blanking Interval (VBI) and time periods of a video frame. The test signal may be dynamically placed at any location in the frame using concealment techniques The video lines are not seen by television viewers. The test pattern generator and test measurement analyzer are synchronized using vertical integral time code and a trigger packet sent by the transmitting station. The test signals enable both in-service and out-of-service testing to be performed for the entire suite of EIA/TIA 250C standard video tests.

Methods and systems are provided for determining a condition of an organ, or epithelial or stromal tissue, for example in the human breast. The methods incorporate sonophoresis, the application of ultrasonic energy, in order to condition tissue for testing and enhance test measurements. A plurality of electrodes are used to measure surface and transepithelial electropotential and impedance of breast tissue at one or more locations and at several frequencies, particularly very low frequencies. An agent may be introduced into the region of tissue to enhance electrophysiological characteristics. Pressure, drugs and other agents can optionally be applied for enhanced diagnosis. Tissue condition is determined based on the electropotential and impedance profile at different depths of the epithelium, stroma, tissue, or organ, together with an estimate of the functional changes in the epithelium due to altered ion transport and electrophysiological properties of the tissue. Devices for practicing the disclosed methods are also provided.

A method is provided for collecting test measurements for an optical entity. The method includes building an object that includes a test variable and a plurality of independent variables, measuring a test variable value, and revising the object to include the test variable value. The method can also include storing the object.

The invention relates to a multi-channel data collection unit, belonging to the technical field of data collection in testing and measurement. The collection unit consists of a plurality of collection channels, a testing channel and a collection unit control module, wherein each collection channel comprises a conditioning circuit which consists of a conventional filter circuit and a voltage protective circuit, an electric switch and a delta sigma analog to digital converter; the testing channel is formed by a delta sigma digital to analog converter; the collection unit control module is realized on the basis of a programmable logic controller; the plurality of collection channels are connected with the collection unit control module; the input end of the delta sigma digital to analog converter is connected with the output end of the collection unit control module; and the output end of the delta sigma digital to analog converter is connected with each electric switch and each delta sigma analog to digital converter of the collection channel respectively. By the multi-channel data collection unit, high dynamic range, low input nose, low harmonic distortion, low crosstalk and high common mode rejection ratio can be realized, and the requirement of low power consumption and low cost can be fulfilled.

The invention belongs to the technical field of non-destructive testing and measuring, and discloses a focusing rotary scanning photoacoustic ultrasonic blood vessel endoscope imaging device and a focusing rotary scanning photoacoustic ultrasonic blood vessel endoscope imaging method. The device comprises a photoacoustic ultrasonic endoscope imaging probe, a rotating connecting part and a peripheral circuit part, wherein pulse laser generates 90-degree reflection at the light outlet end and is irradiated on the blood vessel wall after being gathered by a cylindrical surface light gathering lens, photoacoustic signals are generated, a sound-sensitive element receives the photoacoustic signals, the photoacoustic signals are collected and recorded after being converted, the synchronous working of a data collector and a pulse laser is realized, triggering signals generated by the pulse laser trigger an ultrasonic pulse emitting and receiving device to emit electric signals, the electric signals trigger the sound-sensitive element to emit ultrasonic signals, the ultrasonic signals are reflected after reaching the blood vessels, are received by sound-sensitive elements and are collected and recorded after being converted, a step motor drives the device for carrying out scanning to obtain the whole blood vessel fault data, and photoacoustic and ultrasonic images are obtained after the processing. The sound-sensitive elements are shared by ultrasonic and photoacoustic images, and the high-resolution and high-sensitivity blood vessel internal ultrasonic photoacoustic imaging can be realized.

A system for analyzing quality of communication sections includes a transmission device transmitting a test measurement signal, a reception device receiving the test measurement signal, relay devices each located on a transmission path of the test measurement signal between the transmission device and the reception device, setting a relay time in the test measurement signal when relaying the test measurement signal toward the reception device, and an analysis device including a reception unit receiving two or more relay time measurement results of the relay devices, each of which is obtained by the reception device when transmission/reception of the test measurement signal is performed two or more times by the transmission device and the reception device, a calculation unit calculating a quality index value of a communication section between the relay devices based on the relay time measurement results, and an output unit outputting the communication quality index value of the communication section.

The invention discloses a multifunctional road soil roadbed freezing and thawing circulating test device. During a freezing and thawing circulating test, six samples are placed among six top plate heat exchangers and six bottom plate heat exchangers of a constant temperature system; the six top plate heat exchangers and the six bottom plate heat exchangers are respectively connected in parallel with a refrigeration circulating machine set; a moisture replenishment system is connected with the bottoms of six roadbed soil samples; a temperature sensor and a soil moisture sensor of a test systemare respectively buried in the six roadbed soil samples of the samples; a displacement sensor of the test system is in contact with the top of the top plate heat exchanger of a temperature control system; and the temperature sensor, the displacement sensor and the soil moisture sensor are connected with an acquisition channel of a data acquisition instrument of a data acquisition system. The multifunctional road soil roadbed freezing and thawing circulating test device has the advantages of simple structure, convenient use, high test precision and reliable result, can better complete the parallel test measurement of the engineering design parameters of roadbed soil modulus of resilience, CBR (Constants Bit Rate) intensity, and the like in a seasonal frost region under a least favorable state, which cannot be achieved by the traditional devices, and can directly provide necessary design parameters for engineering design.

A device and method is provided for automatically validating test measurements of an optical entity in an optical transmission network. The method includes creating an object in a database that includes a test variable. In addition, a limit relating to the test variable value is included. The method further includes comparing the test variable value against the limit and indicating if the test variable violates the limit. The device includes a computer memory containing data that relates to performance testing. The data comprises a test identifier, a test variable identifier and a plurality of independent variable identifiers.

Enterprise test configuration and data management systems and associated methods are disclosed for test, measurement and automation environments that allow management, configuration and analysis of test systems and associated data across enterprise-wide test operations. These systems and methods are directed to the production process from the test and test station point of view and provides a variety of mechanisms for test configuration and data management for test stations (or automated test equipment (ATEs)) including the capability of managing data about each test station, hardware resources, software resources, test configuration, test steps, acquired measurements, test execution, and/or other information related to the tests, the test stations or the units-under-test (UUT). Standardized interfaces are also contemplated for the test station (or ATE) software to communicate with server systems and other ATEs if needed, thereby greatly simplifying the coding required for these systems and allowing each test station (or ATE) to talk through the same standardized interface.

A formation pressure testing while drilling device on a bottomhole assembly makes measurements of fluid pressure during drilling of a borehole. Based on the pressure measurements, drilling direction can be altered to maintain the wellbore in a desired relation to a fluid contact. Acoustic transmitters and/or receivers on the bottomhole assembly can provide additional information about bed boundaries, faults and gas-water contacts.

Automated systems and methods for diagnosing the cause of a trend shift in performance data associated with a system including selecting a fuzzy model describing how the mean associated with a parameter shifts when a predetermined problem occurs and receiving performance data associated with the system. The diagnostic systems and methods also including applying a preferred set of piecewise regressions. The diagnostic systems and methods further including selecting a start date and selecting data sets near the start date and an end date that have a relatively large size without violating normal scatter. The diagnostic systems and methods still further including measuring the mean shift between a plurality of samples using one or more statistical tests and combining the results with the fuzzy model to achieve a diagnosis.

A method of operating an Internet device, includes downloading via the Internet a medical testing program from a server. At least one sensor is coupled to the Internet device. The sensor is attached or otherwise coupled to a patient. The Internet device executes the test program to obtain test measurement data from the at least one sensor. The test measurement data is uploaded to the server via the Internet. The Internet device receives processed test data from the server as a download from the server via the Internet. The Internet device displays the processed data.

The invention discloses a method for scheduling parallel test tasks based on grouping and tabu search, belonging to the technical field of automatic test and measurement. The method successively comprises the following steps: a restrain relation among test tasks is determined and analyzed; a graph theory model is built to group the test tasks; a peak dyeing theory in the graph theory is adopted to process the grouped test tasks; an initial scheduling sequence of parallel test task scheduling is configured and tested in parallel according to the group result; and iteration search is carried out by using a tabu search method to search an optimum scheduling sequence, early test starting time of each task is successively determined according to the optimum scheduling sequence, thereby completing a task scheduling plan based on the shortest test time. In the method, the indeterminacy of initial value selection in the process of searching in the traditional method is solved by the method through combining the practical problem of parallel test task scheduling and analyzing the characteristics of the tabu search method, so that the initial scheduling sequence can be well configured and the search rate of the method can be improved, thereby fast finding the optimal task scheduling scheme.

The invention provides a fluid logging oil-gas-water interpretation method based on an oil-gas-water index chart. The fluid logging oil-gas-water interpretation method is characterized by comprising the steps that parameters are collected, wherein the fluid logging parameters comprise heavy hydrocarbon components; the parameters are pre-processed, and the parameters capable of reflecting fluid quality changes in a stratum are selected; the parameters are calculated, wherein three derivative parameters comprising an oil index, a gas index and a water index capable of directly reflecting oil-gas-water characteristics are selected; the oil-gas-water index standard chart is built, wherein according to the a known oil test conclusion, a graphical bar is drawn on the basis of the three derivative parameters comprising the oil index, the gas index and the water index; parameter calculation is conducted on a target layer; the target layer is evaluated according to the standard chart. According to the fluid logging oil-gas-water interpretation method, quality of oil-gas-water in a collection layer is identified and judged by means of the fluid logging technique, a hydrocarbon reservoir is evaluated timely and accurately, and basis data are provided for selection of a well test method in follow-up shaft work, formulation of a test measurement, and selection of a test scheme timely.

In characteristic test measurements of double-gate-in-trench p-channel power MOSFETs each having a p⁺ polysilicon gate electrode and a p⁺ field plate electrode in a trench, which were fabricated according to common design techniques, it has been found that, under conditions where a negative gate bias is applied continuously at high temperature with respect to the substrate, an absolute value of threshold voltage tends to increase steeply after the lapse of a certain period of stress application time. To solve this problem, the present invention provides a p-channel power MOSFET having an n-type polysilicon linear field plate electrode and an n-type polysilicon linear gate electrode in each trench part thereof.