Abstract: A directional illumination apparatus comprises a catadioptric micro-optic array comprising a reflective surface comprising light reflecting facets and an output transmissive surface comprising refractive structures. An array of micro-LEDs is arranged between the reflective surface and output transmissive surface and arranged to illuminate the reflective surface. The light reflecting facets and refractive structures cooperate to provide a uniform output illumination across the output aperture of the array with collimated output. A thin and efficient illumination apparatus may be used for switching display backlighting or environmental illumination applications.

Abstract: A system for sending medical emergency alerts including a device body adapted to be attached to a user, an accelerometer connected to the device body, a wireless communications module, a user interface, a processor in communication with the accelerometer, the wireless communications module, and the user interface, a memory in communication with the processor, the memory including instructions that, when executed by the processor, cause the processor to receive acceleration data from the accelerometer, analyze the acceleration data to determine if a fall condition is present, and when the fall condition is present, communicate, via the wireless communication module, an alert to a caregiver mobile device, wherein the alert is adapted to indicate that the user wearing the device body has fallen.

Abstract: A sprayer equipment includes a support frame, a pump, a pressure regulator, a concentrate tank, an injector, a spray nozzle, and a controller. The support frame has a plurality of wheels. The pump is coupled to the support frame and includes a pump inlet configured to be fluidly coupled to a water source and a pump outlet providing water at an increased water pressure. The pressure regulator is configured to control the pressure of the water. The concentrate tank is supported by the support frame and configured to store a concentrate fluid. The injector is fluidly coupled to the concentrate tank and configured to inject the concentrate fluid into the water. The spray nozzle is fluidly coupled to the pump outlet and the injector. The controller is coupled to the injector and is configured to control operation of the injector.

Abstract: Described herein is a system and method of connectivity migration of an executing virtual application and/or guest operating system. State associated with a first instance of an application and/or a guest operating system executing on a first virtual machine is captured. Information regarding connectivity state associated with a plurality of running connections between the first virtual machine and client device(s) is also captured (e.g., layers 2, 3 and 4). The captured state information can be provided to a second virtual machine which utilizes the captured station information to establish state for a second instance of the application, a second instance of the guest operating system, and/or connectivity of the plurality of running connections between the second virtual machine and client device(s). The state of the second instance of the application can be synchronized with the state of the second instance of the guest operating system.

Abstract: Methods, systems, and apparatus include computer programs encoded on a computer-readable storage medium, including a system for providing content. A stored query and a set of features of the stored query are accessed. The set of features of the stored query specifies a main query topic and at least one query subtopic. A hierarchical application classification for a particular application is accessed that specifies at least a main application category and an application sub-category for the particular application. A level of similarity is determined between the set of features of the stored query and the hierarchical application classification. A determination is made that the particular application is relevant to the stored query based on the level of similarity meeting a specified threshold. The stored query is indexed as a query that triggers presentation of information related to the particular application when the stored query is received.

Abstract: An embodiment of a downhole device includes an elongated body configured to be deployed in a borehole in an earth formation, the borehole including a borehole fluid. The device also includes a propulsion system attached to the body and configured to move the device through the borehole. The propulsion system includes one or more rotor blades configured to generate thrust using the borehole fluid. At least part of the one or more rotor blades is disposed external to the elongated body.

Abstract: A push-to-connect joint assembly, device and method include a fitting formed with an interior wall having axially inner, axially intermediate and axially outer portions that facilitate re-use and repair of push-to-connect fittings and valves without damage to the fitting or valve elements or the pipe, and without coining, gluing or threaded engagement of parts. In embodiments, a packing arrangement inserted into a fitting includes a sealing member, a fastening ring, a seat ring, and a retainer including a shield member and/or a seat retainer.

Abstract: Methods and systems are provided for a cooling system. In one example, a cooling system comprises a device for regulating a coolant flow, where the device is in force-fit connection to a plurality of crankshafts, each crankshaft corresponding to a single cylinder of a plurality of cylinders. The cooling system further comprises a plurality of injectors for injecting coolant onto outer surfaces of the plurality of injectors.

Abstract: Various embodiments of electric lighting devices and, in particular, electric candles are described. The devices can include a flame element onto which light can be projected from a light source. Preferably, the light is projected within a focal area on the flame element. The housing of the devices can include projections that help maintain a vertical position of a circuit board within the housing.

Abstract: A toothbrush can include a handle and a head. At least one bristle can be attached to the head. The toothbrush can also have an illumination member, an illumination circuit and an activation device. A pliant base on the handle can be used to activate the activation device to initiate the illumination circuit.

Abstract: An electrostimulation device comprising an electrode coupler configured as an earbud, the earbud shaped to form fit inside an ear canal of a human ear and composed of a pliable material that conforms to the ear canal when inserted therein, the pliable material forming at least two electrostimulation electrodes, each electrostimulation electrode conductively connected to a conductive lead adapted to receive a nerve electrostimulation signal, and the earbud adapted to transmit the nerve electrostimulation signal through the electrostimulation electrodes from the conductive leads to tissue within the ear canal when disposed therein.

Abstract: A bottom hole assembly is provided, having a housing having a housing lubricant channel; a motor having a rotor and a stator; a mandrel within the housing that rotates when drilling mud flows through the motor; a flex shaft within the housing that includes an internal fluid path for drilling mud to flow into the mandrel; a bushing between the housing and the mandrel having a spiral lubricant channel configured to pump lubricant while the mandrel rotates, such that lubricant in the housing lubricant channel returns to the spiral lubricant channel; first and second on-bottom thrust bearings; and a two stage rotor catch housing attached to the motor and having an internal shoulder, a rotor catch shaft, and a rotor catch nut attached to an upper end of the rotor catch shaft.

Abstract: Methods and systems for accurate and precise fuel supply control for continuous-flow of gaseous fuel to an internal combustion engine over a large dynamic power range, including a dual-stage valve that allows optimal control—a first stage in the form of a voice-coil driven electronic pressure regulator, and a second stage in the form of a voice-coil-driven choked-flow valve; monitoring the pressure of the fuel intermediate the two stages and making appropriate adjustments to the first stage via a pressure actuator loop; feeding the gaseous fuel mixture through a unitary block assembly into the second stage; monitoring the pressure of the air/fuel mixture and making appropriate adjustments to the second stage via a valve actuator control loop.

Abstract: A flange flush tool includes an outer tube having a first end and a second end, the first end configured to engage the flange, and a shield tube within the outer tube. A channel is defined between an outer surface of the shield tube and an inner surface of the outer tube. The shield tube is configured to move longitudinally within the outer tube.

Abstract: Systems and methods of near surface imaging and hazard detection with increased receiver spacing are provided. The system includes: a first string of one or more acoustic sources, a second string of one or more acoustic sources opposite the first string, a first one or more hydrophones mounted within a predetermined distance of the first string, and a second one or more hydrophones mounted within the predetermined distance of the second string. The first one or more hydrophones records an acoustic shot generated from the first string. The second one or more hydrophones records the acoustic shot and acoustic reflections corresponding to the acoustic shot. The system generates an image from the recorded acoustic shot and the acoustic reflections.

Abstract: A secure dual frequency RFID device is provided. The secure RFID device includes a standard high frequency RFID transponder and a low-frequency authenticator. When the high-frequency transponder is activated, it generates a command signal to turn on the low-frequency authenticator, which in turn generates its own low frequency coded transponder signal. High and low frequency readers accept the respective transponder signals and system software confirms the identity of a tagged object using both signals. The authenticator may include a MEMs device or an ASIC. An authentication code generator generates a programmed sequence of authentication signals taking advantage of one or more authenticator parameters including capacitance, resistance, and/or RF frequency. Another embodiment includes a gaming piece housing the RFID device. Another embodiment includes a method of determining locations of gaming pieces on a gaming board, while yet another embodiment includes a gaming device with RFID tagged gaming pieces.

Abstract: A micro grid system comprises an adapter, a power controller, and secondary energy source. The adapter is in communication with an electric grid and configured to connect and disconnect a connection between the electric grid and a micro grid. The power controller is in communication with the adapter and configured to receive first AC power from the electric grid via the adapter, obtain grid information, and control the adapter to connect and disconnect the connection between the electric grid and the micro grid. The power controller controls the adapter to disconnect the connection in response to determining that the electric grid is abnormal based on the grid information. The secondary energy source is in communication with the power controller and is configured to generate DC power and to supply the DC power to the power controller.

Abstract: Systems and methods for controlling a wireless network receive data from wireless access points within a wireless network and use the data in a model of the wireless network to identify allowable transitions between states defined by the model. Parameters for the wireless access points are adjusted to initiate transitions between the states and, based on the transitions, the model is updated.