Abstract: A pair of light shining electrical test leads, the pair using L.E.D. or other lights. The lights are showing to the test point of the electrical leads. The lights receive power from a battery. The lights may be turned off when not needed and turned on when the user is in locations of little or no light. When in locations of little or no light, the user shall use the lights to help determine electrical current while seeing better to avoid injuries.

Abstract: A device such as a wireless access point may be configured to support sharing of network connectivity among a number of registered devices or users. Where numerous sources of network connectivity are available, the device may apply a cost-based selection strategy or the like to choose a suitable source for sharing.

Abstract: A system for locating a ground fault in a high resistance grounded (HRG) power distribution system includes a pulsing circuit configured to introduce a pulse current into the distribution system and current sensors adapted to monitor three-phase current signals present on conductors of the distribution system, with the current sensors positioned on a number of distribution networks included in the HRG power distribution system and at a protective device included on each respective distribution network. A processor associated with each protective device receives signals from the current sensors for identifying a location of the ground fault in the HRG power distribution system, with the processor associated with each protective device receiving measurements of the three-phase current signals from the current sensors over a plurality of cycles and identifying a pattern of interest in the three-phase current signals across the plurality of cycles in order to detect a ground fault.

Abstract: A system and method for estimating operating characteristics of an induction motor is disclosed. The system includes a motor control device that is electrically connectable between a motor and a power source. The motor control device includes a plurality of switching devices comprising at least one thyristor corresponding to a respective phase of the motor. The motor control device also includes a controller programmed to disconnect the power source from the motor for a predetermined time period following a first plurality of cycles of a mains phase voltage of the power source. The controller is further programmed to measure a back-emf voltage during the predetermined time period, estimate an operating characteristic of the motor from the measured back-emf voltage, and trigger the plurality of switching devices to reconnect the power source to the motor following estimation of the operating characteristic.

Abstract: An abrasive handling submersible pump assembly diffuser is described. An electric submersible pump assembly stage comprises a rotatable impeller, and a co-axially mounted diffuser comprising a diffuser bowl, the diffuser bowl comprising a plurality of diffuser bowl wedges having a blunted pie-shape, each of the plurality of diffuser bowl wedges protruding axially from a diffuser bowl floor into a cavity between the rotatable impeller and the co-axially mounted diffuser such that each of the plurality of diffuser bowl wedges protrudes into a path of pumped solid-laden fluid, wherein the blunted pie-shaped wedges extend radially between an inner wall and an outer wall of the diffuser bowl and a thickness of the blunted pie-shaped wedges in a circumferential direction increases towards the outer wall.

Abstract: A method and apparatus for playing a wagering game on a gaming apparatus enables different paytables and related volatility wagers on at least one of an underlying wagering game and a side bet wager against a paytable. The method allows a player placing a wager on the underlying wagering game; and the player placing a wager on the side bet. The method further allows providing a physical random event outcome in the underlying wagering game on which both the underlying game and the side bet are based. At least one of the wager on the underlying wagering game and the wager on the side bet is made on at least one of two available wagers having differing volatilities from each other.

Abstract: A supporting stand for supporting an item is provided. The stand includes a base for defining a substantially planar region of the stand; a lower support for supporting the item at a first distance from the base; and an upper support for supporting the item at a second, greater distance from the base. The lower and upper supports may be substantially parallel to the base, and vertically non-overlapping. The stand may include a riser wall extending between the lower and upper supports, a front wall and opposing rear wall, and first and second sidewalls extending between the front and rear walls. The stand may be collapsible. The stand may include one or more of folds, flaps, fasteners, slots, corrugating medium, and an interior attachment wall for configuring the stand into an operating configuration. The stand may be stackable.

Abstract: A magnetic resonance probe (2) includes a fiber optic sensor probe (32) and a sheath (38). The fiber optic sensor probe (32) includes a non-ferrous sensor (42) on a distal portion (36) configured for insertion into a subject, a locking element (34) connected to the distal portion (36), and a proximal portion (44) connected to the locking element (34) and in light communication via an optical fiber (48) with the non-ferrous sensor (42) and includes a connector (46). The sheath (38) covers the distal portion (36) of the fiber optic sensor probe (32), engages the locking element (34), and provides a sterile outer surface (70).

Abstract: An active bypass diode circuit that mitigates the hazard of arc flash events in a Photovoltaic (PV) solar power array, and a PV solar power module that utilizes a plurality of said active bypass circuits are disclosed The active bypass circuit comprises a diode, a switch in parallel with the diode, a control circuit for opening and closing the switch, a circuit for detecting arc flash events, a power management circuit, a power supply circuit, and a capacitor. When an arc flash event is detected, all the switches are closed concurrently, reducing the voltage produced by the PV string to a level that is too low the sustain the arc, and thereby terminating the arc.

Abstract: Devices and associated methods are provided herein for creating arrays of thin films on a substrate utilizing a capillary force layer-by-layer assembly. Such devices and methods can be configured for forming one or more channels when the device is in operable contact with the substrate, each channel having an inlet reservoir at one end by which the coating material is introduced into the channel, wherein each channel is a lengthwise enclosure defined by a surface of the substrate on one side and one or more adjacent structures of the assembly surrounding the channel along its length. Provided devices and methods facilitate automated, precise manufacture of arrays of customized thin films for lab-on-a-chip biological and/or chemical assay products, for example. Additionally, provided devices and methods significantly reduce material waste, improves quality control, and expands the potential applications of LBL into new research space.

Abstract: A system and method for automatically defining and tuning operating parameters for a motor control device with minimal or no operator input is disclosed. The system includes a motor control device electrically connectable to an AC motor and a controller that is programmed to define a motor start-up function based on a rated current of the motor, the motor start-up function comprising an initial torque factor and an initial ramp time. The controller also triggers switching devices of the motor according to the motor start-up function to inject current into the motor during a first trial run, monitors operating conditions of the motor and motor control device during the first trial run, modifies the motor start-up function based on the monitored operating conditions, and triggers the plurality of switching devices according to the modified motor start-up function to inject current into the motor during a subsequent trial run.

Abstract: A system and method for detecting, localizing and quantifying stator winding faults in AC electrical machines is disclosed. A diagnostic system configured to detect a stator winding fault in an AC electrical machine includes a processor programmed to receive measurements of three-phase voltages and currents provided to the AC electrical machine from voltage and current sensors associated with the electrical distribution circuit, compute positive, negative and zero sequence components of voltage and current from the three-phase voltages and currents, and calculate a fault severity index (FSI) based on at least a portion of the positive, negative and zero sequence components of voltage and current, wherein calculating the FSI further comprises identifying a voltage gain in one or more phases of the AC electrical machine due to a stator winding fault and localizing the stator winding fault to one or more phases in the AC electrical machine.

Abstract: A system and method for detecting and localizing excess voltage drop in single or multiple phases of three-phase AC circuits is disclosed. An electrical distribution circuit is provided that includes an input connectable to an AC source, an output connectable to terminals of an electrical machine, the output configured to provide three-phase voltages and currents to the electrical machine, and a diagnostic system configured to detect an excess voltage drop (EVD) in the electrical distribution circuit. The diagnostic system includes a processor that is programmed to receive measurements of the three-phase voltages and currents provided to the electrical machine, compute a negative sequence voltage from the three-phase voltages and currents, determine a localization reference phase angle for each phase based in part on the three-phase voltages and currents, and calculate an EVD in the electrical distribution circuit based on the negative sequence voltage and the localization reference phase angles.

Abstract: Techniques and methods to reduce downtime in an offshore platform, such as an offshore semi-submersible drilling rig or drillship. Through the use of one or more movable platforms in a moon pool area, work on a riser string passing through the moon pool area may be performed without exposing workers directly to the open sea below. Accordingly, the use of the one or more movable platforms in the moon pool area may provide protected access to the riser string during, for example, harsh weather conditions.

Abstract: A system and method for determining rotor speed of an AC induction machine is disclosed. The system is programmed to estimate a rotor speed of the induction machine according to a linear speed estimation algorithm and based on name plate information (NPI) of the induction machine and parameters of the AC induction machine during operation thereof. The rotor speed estimation system is also programmed to estimate a rotor speed of the AC induction machine according to a frequency-domain signal processing algorithm and determine if the rotor speed estimated thereby is valid. If the rotor speed estimated by the frequency-domain signal processing algorithm is valid, then a tuned rotor speed of the AC induction machine is estimated according to the linear speed estimation algorithm and based, in part, on the rotor speed estimated by the frequency-domain signal processing algorithm.

Abstract: A data link manager includes a User Datagram Protocol (UDP) receiver for receiving HD Radio broadcast equipment communication protocol (HDP) data or non-HD Radio broadcast equipment communication protocol (non-HDP) data using a User Datagram Protocol/Internet Protocol (UDP/IP) protocol; a Transmission Control Protocol (TCP) receiver; and a router for receiving data from the UDP receiver and the TCP receiver, for searching for a destination route in a routing table, and for forwarding the data received from the from the UDP receiver and the TCP receiver to an identified destination route.

Abstract: A tamper-evident closure for a container is provided. The closure comprises a first portion including inner and outer parts, and a second portion. The outer part is movable relative to the inner part from a first position in which at least part of the first and second portions are adjacent each other, to a second position in which there is a gap therebetween. The first portion comprises locking means for irreversibly locking the closure in the second position upon first opening so that the gap cannot be closed. The outer part includes a top plate and at least part of the locking means is carried on or by the plate.

Abstract: An abrasive handling submersible pump assembly diffuser is described. An electric submersible pump assembly stage comprises a rotatable impeller, and a co-axially mounted diffuser comprising a diffuser bowl, the diffuser bowl comprising a plurality of diffuser bowl wedges having a blunted pie-shape, each of the plurality of diffuser bowl wedges protruding axially from a diffuser bowl floor into a cavity between the rotatable impeller and the co-axially mounted diffuser such that each of the plurality of diffuser bowl wedges protrudes into a path of pumped solid-laden fluid, wherein the blunted pie-shaped wedges extend radially between an inner wall and an outer wall of the diffuser bowl and a thickness of the blunted pie-shaped wedges in a circumferential direction increases towards the outer wall.

Abstract: Disclosed herein is an analysis device for use with an external testing apparatus to detect the presence of an analyte in a test sample. The device comprises a transducer formed of a layer of pyroelectric or piezoelectric material sandwiched between first and second electrode layers, the transducer being arranged to produce an electrical voltage across the electrode layers in response to heating or straining of the pyroelectric or piezoelectric material layer. The device also comprises first and second stiffening elements for the transducer, the transducer being sandwiched between the stiffening elements. Each of the stiffening elements defines a planar surface for maintaining the transducer in a flat condition. Each of the stiffening elements exposes a portion of a respective electrode layer of the transducer for electrically connecting the transducer to the external text apparatus.