Abstract: A Rogowski coil includes a magnetic core and a winding. The magnetic core includes an encircling body. The winding includes a conductive wire. The winding is disposed in a generally helical coil about the core body.

Abstract: Several pre-assemblies holding panels of photovoltaic cells are constructed and pre-wired in a factory. The pre-assemblies are shipped to a solar farm, where they are lifted above posts secured to the ground. By being foldable, the solar panel assemblies can provide a compact shipping arrangement. Operators can connect the solar panel assemblies to a support and then unfolded the solar panel assemblies and lock them in the unfolded position.

Abstract: The present invention relates to interpolated variable impedance touch sensor arrays for force-aware large-surface device interaction. An exemplary system for detecting a continuous pressure curve includes a plurality of physical variable impedance array (VIA) columns connected by interlinked impedance columns and a plurality of physical VIA rows connected by interlinked impedance rows. The system also includes a plurality of column drive sources connected to the interlinked impedance columns and to the plurality of physical VIA columns through the interlinked impedance columns as well as a plurality of row sense sinks connected to the interlinked impedance rows and to the plurality of physical VIA rows through the interlinked impedance rows. Further, the system includes a processor configured to interpolate the continuous pressure curve in the physical VIA columns and physical VIA rows from an electrical signal from the plurality of column drive sources sensed at the plurality of row sense sinks.

Abstract: A passive rotating jointed tubular continuous snubbing injector is provided for moving connected, segmented oilfield tubulars axially into or out of horizontal, extended-reach oil and natural gas wells that may contain pressurized fluid or gas to complete for production, work over and service the wells, utilizing an operation commonly known as snubbing. The injector can include variable diameter gripping mechanisms that, in combination with linear drive mechanisms, can apply radial force onto and over a certain length of the tubular, of the tubular string, and onto and over a coupling or tool joint connecting tubulars together while moving the tubular string axially into or out of the well. Further, the injector may rotate in response to the rotation of tubulars while the injector is moving the tubular string into or out of the well.

Abstract: The present invention relates to automotive interface systems and methods. In one embodiment, an automotive interface system includes a steering wheel and an integrated interpolated variable impedance array that comprises a grid of sensing elements. The sensing elements are configured to power on simultaneously and to simultaneously generate multiple currents along multiple current paths in response to sensing a touch wherein the amount of current generated by a sensing element of the grid is directly proportional to the force applied by the touch. The automotive interface system also includes an analog-to-digital converter (ADC) and a processor communicatively coupled to the interpolated variable impedance array that are configured to receive the multiple currents along multiple current paths and determine a location, a duration, an area, and a force of the touch from the multiple currents along multiple current paths.

Abstract: Various embodiments of electronic flares are described which generally comprise a light module that is disposed along a portion of a housing and includes at least one light source for emitting light according to a lighting mode, a power source for providing power to the light module, a circuit board that is disposed within the housing and is electrically coupled to the power source and light module, the circuit board including a controller for providing power to the light module according to the selected lighting mode when the electronic flare is activated; and a switch having an external switch portion and an internal switch portion coupled to one another, the external switch portion being disposed along an outer portion of the housing and the internal switch portion being operatively coupled to the circuit board, the external switch portion being rotatably movable by a user to one or more positions where each position is associated with a different lighting mode allowing the user to select the lighting mode

Abstract: A non-contact system for measuring an insertion loss of a cable assembly with cable fibers includes a light source system that emits light and a launch connector supporting launch fibers. A detector system includes receive fibers supported by a receive connector. The detector system has detectors optically coupled to the receive fibers, with one detector directly optically coupled to the light source system for calibration. A first movable stage supports the launch connector and a second movable stage supports the receive connector. A launch optical system images output end faces of the launch fibers onto input end faces of the cable fibers of the cable assembly. A receive optical system images output end faces of the cable fibers onto input end faces of the receive fibers. The light exiting the receive fibers is detected and processed to determine the insertion loss of the cable assembly.

Abstract: The present invention relates to methods that utilize a combination of immunoassay and magnetic immunoassay techniques to detect an analyte within an extended range of specified concentrations. In particular, a method includes forming, in a biological sample, a first complex of signal antibodies and analyte, and a second complex of the first complex and capture antibodies immobilized on magnetic beads, and contacting a first immunosensor with the biological sample to form a third complex localized on or near a surface of the first immunosensor. The first immunosensor includes an immobilized layer of capture antibodies configured to bind to the analyte, and the third complex includes the first complex bound to the immobilized layer of capture antibodies. The method further includes contacting a magnetic field localized around a second immunosensor with the biological sample such that the second complex is localized on or near a surface of the second immunosensor.

Abstract: An off-highway recreational vehicle having a longitudinal centerline includes a frame and a rear suspension. The rear suspension includes a left A-arm, wherein the left A-arm has a pivot axis, the pivot axis being on a right-hand side of the longitudinal centerline.

Abstract: Disclosed herein are systems and methods for ion exchanging glass articles. Methods for ion exchanging glass articles include receiving processing instructions from one or more user input devices, loading a cassette containing a plurality of glass articles into a molten salt bath of one or more ion exchange stations automatically with a robotic lift based on the processing instructions, removing the cassette from the molten salt bath automatically with the robotic lift after a predetermined time based on the processing instructions, and rotating the cassette automatically to drain fluid of the molten salt bath from the cassette.

Abstract: Described herein are cell compositions comprising a mesenchymal stem function cell (MSFC), e.g., an engineered MSFC or derivatives thereof, as well as compositions, pharmaceutical products, and implantable elements comprising an MSFC, and methods of making and using the same. The cells and compositions may express a therapeutic agent useful for the treatment of a disease, disorder, or condition described herein.

Abstract: Described herein are particles comprising a first compartment, a second compartment, and a compound of Formula (I), as well as compositions and methods of making and using the same. The particles may comprise a cell capable of expressing a therapeutic agent useful for the treatment of a disease, disorder, or condition described herein.

Abstract: The present invention relates to automotive interface systems and methods. In one embodiment, an automotive interface system includes a steering wheel and an integrated interpolated variable impedance array that comprises a grid of sensing elements. The sensing elements are configured to power on simultaneously and to simultaneously generate multiple currents along multiple current paths in response to sensing a touch wherein the amount of current generated by a sensing element of the grid is directly proportional to the force applied by the touch. The automotive interface system also includes an analog-to-digital converter (ADC) and a processor communicatively coupled to the interpolated variable impedance array that are configured to receive the multiple currents along multiple current paths and determine a location, a duration, an area, and a force of the touch from the multiple currents along multiple current paths.

Abstract: Airguns are provided. In one aspect, a shuttle having a breech bushing therein is moved between a cocking position where a projectile is loaded into a breach bushing channel and a firing position where the breech bushing channel is located between a port from which compressed air flows firing and a barrel opening into which the compressed air advances the projectile. The barrel has a barrel guide surface at the back barrel face, wherein the breech bushing has a shaped surface facing the barrel and wherein the breech bushing shaped surface and the barrel guide surface are configured to interact as the barrel is moved from the cocked position to the firing position to urge the breach insert to move within the shuttle passageway in a manner that reduces the extent of any misalignment between the breech bushing channel and the opening.

Abstract: The present invention relates to systems that utilize a combination of immunoassay and magnetic immunoassay techniques to detect an analyte within an extended range of specified concentrations. In particular, a device is provided for detecting an analyte in a biological sample. The device includes a first electrochemical sensor positioned on a substrate. The first electrochemical sensor includes an immobilized layer of antibody configured to bind to the analyte. The device further includes a second electrochemical sensor positioned adjacent to the first electrochemical sensor on the substrate, and a magnetic material that generates a magnetic field aligned with respect to the second electrochemical sensor. The magnetic field captures magnetic beads that have an immobilized layer of antibody configured to bind to the analyte, and concentrates the magnetic beads on or near a surface of the second electrochemical sensor.

Abstract: Techniques for determining worst-case execution time for at least one application under test are disclosed using memory thrashing. Memory thrashing simulates shared resource interference. Memory that is thrashed includes mapped memory, and optionally shared cache memory.

Abstract: A system for handling tubulars on a rig may include a top handling device configured for arrangement on the rig and for handling a top portion of a tubular to and from a setback area. The system may also include a lower handling device configured for arrangement on the rig and for handling a bottom portion of the tubular between well center and a release position. The system may also include a bottom handling device configured for arrangement on the rig and for handling the bottom portion of the tubular between the release position and the setback area.

Abstract: The present invention relates to interpolated variable impedance touch sensor arrays for force-aware large-surface device interaction. An exemplary system for detecting a continuous pressure curve includes a plurality of physical variable impedance array (VIA) columns connected by interlinked impedance columns and a plurality of physical VIA rows connected by interlinked impedance rows. The system also includes a plurality of column drive sources connected to the interlinked impedance columns and to the plurality of physical VIA columns through the interlinked impedance columns as well as a plurality of row sense sinks connected to the interlinked impedance rows and to the plurality of physical VIA rows through the interlinked impedance rows. Further, the system includes a processor configured to interpolate the continuous pressure curve in the physical VIA columns and physical VIA rows from an electrical signal from the plurality of column drive sources sensed at the plurality of row sense sinks.

Abstract: Described herein are systems and methods that allow for automatic detection of the highest available cell voltage and/or location of the top voltage in a battery stack, in real-time, without having to use separate, dedicated PCBs for different battery stack configurations, and without having to manually configure PCBs based on the number of cells each battery stack has. In certain embodiments, automatic detection is accomplished by a software-configurable battery management circuit that supports any battery pack size without the need to perform hardware modifications or the added cost of customizing boards for battery stacks that have different numbers of cells. In addition, a novel diode-OR analog multiplexer circuit allows the chip to be powered prior to the selection of the top cell.

Abstract: A method of determining wettability may include: measuring an electrical property of a drilling fluid; and correlating the electrical property to wettability.