686 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.

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.

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 graphical application development environment is provided, for the development of test, measurement and process control applications. Said environment comprises thematically organized groups of “panels” representing components of virtual instruments, and said panels are combined and interconnected via data channels, control channels and event channels to form a complete instrument “front panel.” Each panel represents a quasi-autonomous “aspect” software object that has the attributes, properties and connectivities of the represented instrument component, and that is associated with executable code segments, including code segments that are usable by a plurality of aspects and are maintained in libraries accessible to an aspect handler for the construction of aspects. A representation of a user-developed application program, as created in a textual language, comprises an executable description of front panel aspects and their attributes and interconnections, and serves to invoke said associated code segments to run said user application.

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.

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.

Test data model and test data structure creation improvements are disclosed for enterprise test data management systems in the test, measurement and automation environment. In part, an enterprise test data management system is disclosed that utilizes a test data structure creation tool configured to operate on one or more server systems to automatically generate test data structures for the database. In addition, the test data management system can utilize a run-time tool that is configured to analyze test data received from a test system, to determine if fields for the data exist in the database, and if not, to automatically generate the fields for the data in the database. The test data management system can also utilize a data import tool that is configured to analyze historical test data files, to map data within the historical data files to fields within the database, and to automatically generate new fields for the data in the database. Related systems and methods are also disclosed.

A noninvasive method and system are provided for assessing the performance of implanted actuators of semi or fully-implantable hearing aid systems. The invention utilizes an externally positioned test measurement device to obtain measurements of the electrical impedance of an implanted actuator when driven by a test signal of predetermined characteristics. In one embodiment, the test measurement device may comprise a signal generator for generating the test signal for the actuator, a signal processing unit to compute the electrical impedance from voltage and current measurements, and a user interface to provide an output that is usable to asses the performance of the actuator. The electrical impedance is computable from the voltage and current of the signal passing through the actuator. The electrical impedance is directly related to the mechanical impedance present at the interface between the actuator and middle ear of a patient. As such, by driving the actuator at one or more predetermined frequencies the resultant voltage and current measurements may be utilized to assess whether the implanted transducer is operative and whether a desired interface between the transducer and the middle ear of patient (e.g. the ossicular chain) is present.

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.

Apparatus and methods are provided for electrical parameter measurements at points of interest, such as circuit breakers, machines, and the like. The devices which comprise of components that may require corrections, such as the errors induced by, but not limited to, the use of a split core mounted around a current carrier, and hence calibration coefficients are provided based on test, measurements and / or calculations respective of the devices. These coefficients may be stored in a database for retrieval when calibration of measurements received from a measuring device. In one embodiment at least one of the calibration coefficients is stored on the measuring device.

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.

A probe assembly suitable for making test measurements using test signals having high currents. The disclosed probe assembly provides for a test signal exhibiting relatively low inductance when compared to existing probe assemblies by preferably reducing the electrical path distance between the test instrumentation and the electrical device being tested.

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.

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.

The invention discloses a fatigue life analyzing method based on a Paris formula, comprising the following steps of: acquiring the mechanical property data and a fatigue SN (Serial Number) curve of materials as well as the Paris material constants of the materials when stress ratio R=0 and a stress intensity factor curve of a suture, and then calculating the influence factors of a crack length; and carrying out crack propagation life integral calculation from an initial crack length to a critical crack length by adopting a fatigue life-cycle calculation formula based on the Paris so as to obtain and output a final structure fatigue life-cycle. In the invention, only the basic common material constants are needed, therefore, the test measurement of a large quantity of material constants is prevented; and the prevention of the test measurement of the large quantity of material constants is very important for the structure life-cycle analysis of engineering application.

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 contact type temperature non-inductive three-dimensional detection sensor based on a fiber Bragg grating (FBG) and belongs to the technical field of precision instrument manufacturing and precision test measurement. The sensor comprises a broadband light source system which consists of a pump laser, a wavelength division multiplexing (WDM) coupler, an erbium-doped fiber and a beam splitter, a temperature compensation system which consists of an erbium-doped fiber amplifier (EDFA), a first circulator, a guide pipe, a reference FBG and a fiber barrier, a probe, and a signal receiving system which consists of an optical spectrum analyzer, a fiber coupler and an index-matching fluid, wherein the reference FBG of the temperature compensation system is arranged in a spatial distance of 30 cm of the probe. By the sensor, three-dimensional sensing is realized, and the environmental adaptability of the sensor is greatly improved. The sensor has the characteristics of simple structure and high real-time performance and is easy to practically use. The sensor has the advantage of quick and ultra-precise measurement and calibration of small cavity size.