Abstract: A system and method is provided for preventing cable theft in electric vehicle supply equipment (EVSE). A sensor may be configured to sense a short between at least two components of a cable in the EVSE. A processor may be configured to determine that the cable is being cut in response to the sensing. The processor may be further configured to generate an alert in response to a determination that the cable is being cut.

Abstract: An electrical drive arrangement of a fuel injection system comprising a power supply operatively connected to an injector driver stage which, in turn, is operatively connected to at least one fuel injector. The electrical drive arrangement includes a voltage regulation device operatively connected between the power supply and the injector driver stage, wherein the voltage regulation device is arranged to regulate the voltage supply from the power supply to the injector driver stage.

Abstract: An electrical drive arrangement of a fuel injection system comprising a power supply operatively connected to an injector driver stage which, in turn, is operatively connected to at least one fuel injector. The electrical drive arrangement includes a voltage regulation device operatively connected between the power supply and the injector driver stage, wherein the voltage regulation device is arranged to regulate the voltage supply from the power supply to the injector driver stage.

Abstract: The present invention relates to an improved disposable emesis containment system comprising an expandable bag constituted of a non-porous, flexible polymeric material, such bag having a metal or plastic frame e.g., in the shape of a spring that permits expansion of the bag into a desired shape e.g. spherical, the bag having a large opening or aperture at the top upon expansion which opening is sealable by use of an associated draw- or pull-string and which expandable bag is stored in an easily opened, preferably resealable storage container in unexpanded form prior to usage. This system provides an improved means of storing and disposal of emesis and other noxious biological materials.

Abstract: An electrical distribution system includes a switchgear or motor control center cabinet, a plurality of first protective, metering or control devices internal to the cabinet, and one or more second devices. The second devices include display devices mounted on the cabinet, display devices external to the cabinet and monitoring devices structured to monitor the system and communicate to a remote location. Communications among the first devices and the second devices are wireless communications.

Abstract: A power supply for a control relay includes first and second voltage regulators having first and second operating ranges, respectively, and a switching mechanism. A rectified DC source voltage is provided to the first voltage regulator and the first voltage regulator converts it into a first DC voltage. The rectified DC source voltage is also provided to the switching mechanism which provides it to the second voltage regulator only when the switching mechanism is in a second condition. When the second voltage regulator receives the rectified DC source voltage, it converts it into a second DC voltage. The switching mechanism is adapted to be in a first condition when the rectified DC source voltage is greater than an upper threshold of the second operating range and in the second condition when the rectified DC source voltage is less than that upper threshold. At least one of the DC voltages is provided to the control relay.

Abstract: A non-invasive underground arc fault detection apparatus is for an underground electrical conductor. The apparatus includes an electric circuit having an opening for admitting the electrical conductor therethrough. The electric circuit includes one or two transducers adapted to output a first signal representative of current flowing in the electrical conductor and a second signal. An arc fault detection circuit cooperates with the electric circuit to output a third signal derived from the first signal. The third signal is representative of an arc fault of the electrical conductor. An audible annunciator cooperates with the arc fault detection circuit to annunciate the third signal. A power supply cooperates with the electric circuit and is adapted to power the arc fault detection circuit and the annunciator from the second signal.

Abstract: A back-pack power supply module is for a circuit interrupter including an elongated line conductor. The back-pack power supply module includes a housing having an opening therethrough. The opening receives the elongated line conductor, which passes through the opening. A power supply circuit is housed by the housing and is adapted to input a line voltage from the elongated line conductor and output direct current voltages. A capacitive divider circuit includes two capacitors electrically connected in series between a first terminal and an output of the capacitive divider circuit. One of these two capacitors receives the line voltage. The two capacitors are embedded in insulation within one portion of the housing. Another capacitor is electrically connected between a second terminal and the capacitive divider circuit output. The other capacitor is disposed in another portion of the housing opposite the opening.

Abstract: A system includes a first communication network, such as the Internet, having a client; a second INCOM communication network including a plurality of communicating devices; and a server. The server includes a first Ethernet transceiver communicating with the Internet, a second INCOM transceiver communicating with the INCOM communication network and the communicating devices, and a processor cooperating with the first and second transceivers. The processor being adapted to learn at least some of the communicating devices, to periodically obtain a plurality of values from the communicating devices, to associate the values with a web page, to communicate the web page to the client over the Internet, and to periodically communicate the values associated with the web page to the client over the Internet.

Abstract: A system displays information from and controls electrical switching apparatus, such as circuit breakers. The system includes a plurality of circuit breakers having separable contacts and a plurality of conditions, such as bus temperature and contact wear. A plurality of sensors are structured to sense the conditions of the circuit breakers and to communicate the sensed conditions over corresponding wireless signals. A display and control unit is operatively associated with the circuit breakers and is structured to receive the corresponding wireless signals and display information corresponding to the sensed conditions or to control the circuit breakers based upon one or more of the sensed conditions.

Abstract: A sensor apparatus is for a power bus including a plurality of characteristics. The sensor apparatus includes a housing; one or more sensors each adapted to sense a characteristic of the power bus; and a circuit adapted to transmit or receive a wireless signal. A processor includes a low-power mode and a routine adapted to wake up from the low-power mode, to input the sensed characteristic from the one or more sensors, to output a corresponding signal to the circuit to transmit as the wireless signal, and to sleep in the low-power mode. A power supply is adapted to power the sensors, the circuit and the processor from flux arising from current flowing in the power bus. The power supply includes one or more voltages.

Abstract: A sensor apparatus for a power bus including a current and a temperature includes a housing and one or more sensors. Each of the sensors is adapted to sense one of the current or the temperature of the power bus. A radio transceiver circuit is adapted to transmit a first wireless signal and to receive a second wireless signal. A processor is adapted to input the sensed current and the sensed temperature from the sensors and to output corresponding signals to the radio transceiver circuit in order to transmit the first wireless signal. A power supply is adapted to employ voltage produced by magnetically coupling the power bus to one or more coils, in order to power the sensors, the radio transceiver circuit and the processor from flux arising from current flowing in the power bus.

Abstract: A controllable circuit breaker includes a housing, first and second inputs adapted to receive respective external close and open signals, a third input adapted to receive a control voltage, a set of main contacts, an operating mechanism for opening and closing those contacts; a set of secondary contacts connected in series with the main contacts, and a latching solenoid including a plunger latchable to a first position which closes the secondary contacts and to a second position which opens the secondary contacts. When separately energized, first and second coils operate the plunger to respective first and second positions. The first and second coils have a common node which is electrically connected to the third input. A non-mechanical, electronic control circuit within the housing is adapted to receive the external close and open signals and responsively energize the first and second coils, respectively, for a predetermined time.

Abstract: A three-pole circuit breaker is for a three-phase load circuit including three phases and a line cycle. The three-pole circuit breaker includes three poles, each of which includes a set of separable contacts for a corresponding one of the phases of the three-phase load circuit, and a current sensor adapted to determine a plurality of current samples for the corresponding one of the phases during the line cycle. An operating mechanism is adapted to open and close the sets of separable contacts. A trip mechanism cooperates with the operating mechanism and is adapted to determine three current values from the current samples of the poles during at least about one half of the line cycle and to analyze differences among the current values, in order to detect a phase-to-phase arcing fault or a phase-to-ground arcing fault, and to responsively trip open the sets of separable contacts.

Abstract: A glowing contact or high resistance test device includes a housing and first and second circuits substantially within the housing. The first and second circuits include first and second electrical plugs disposed from the housing and adapted to electrically engage and thermally communicate with line and neutral circuits, respectively, of an electrical receptacle. First and second diode temperature sensors are proximate the first and second circuits and the first and second electrical plugs, respectively. The first and second sensors output first and second signals representative of the first and second temperatures of the line and neutral circuits, respectively. An amplifier circuit determines a difference between the first and second signals. A window comparator circuit includes a light emitting diode, which displays an indication signal when the absolute value of the difference exceeds a predetermined value.

Abstract: A drive circuit is provided in a full H-bridge and half H-bridge configuration for controlling one or more piezoelectric fuel injectors. The drive circuit includes a voltage input for receiving a voltage signal, an energy storage device coupled to the voltage input for storing an electrical charge, a bidirectional current path coupled to one or more piezoelectric injectors, an inductor coupled in series with the piezoelectric injector(s) in the bidirectional current path, and switching circuitry for controlling current flow through the piezoelectric injector(s) and the inductor to open and close the piezoelectric injector(s). The switching circuitry is controlled to provide a recirculation current to recover energy stored in the piezoelectric injector(s) for storage in the energy storage device.

Abstract: A drive circuit is provided in a full H-bridge and half H-bridge configuration for controlling one or more piezoelectric fuel injectors. The drive circuit includes a voltage input for receiving a voltage signal, an energy storage device coupled to the voltage input for storing an electrical charge, a bidirectional current path coupled to one or more piezoelectric injectors, an inductor coupled in series with the piezoelectric injector(s) in the bidirectional current path, and switching circuitry for controlling current flow through the piezoelectric injector(s) and the inductor to open and close the piezoelectric injector(s). The switching circuitry is controlled to provide a recirculation current to recover energy stored in the piezoelectric injector(s) for storage in the energy storage device.

Abstract: A method for detecting and tracking turns of a maneuvering target comprises the steps of determining first and second radar information of the maneuvering target. The first and second radar information and a set of target speeds are used to determine a set of turn radii for the maneuvering target. The first and second radar information and a set of target arc speeds are used to determine a second set of turn radii for the maneuvering target. The set of turn radii and the set of target speeds define a speed-radius curve, and the second set of turn radii and the set of target arc speeds define an arc speed-radius curve. An intersection of the speed-radius and arc speed-radius curves is located, and the intersection is used to determine whether the maneuvering target has made a turn.

Abstract: A nonrecurrent version of the Neural Network Binary Code Recognizer is disclosed. This Nonrecurrent Binary Code Recognizer, which decodes an input vector of n analog components into a decoded binary word of n bits, comprises an analog-to-digital converter, an inverter circuit, a digital summing circuit and a comparator circuit.

Abstract: A fluorescent light fixture assembly that provides unidirectional lighting having an intensity which is comparable to that provided by incandescent bulbs within parabolic reflective housings. The light fixture assembly comprises a fluorescent bulb, having an axis of extension, which is connected to an adaptor and a socket member. The fluorescent bulb is situated within a parabolic reflective housing having a longitudinal axis. The reflective housing is affixed to the adaptor so that the axis of extension of the fluorescent bulb is conspicuously angled with respect to the longitudinal axis of the reflective housing.