Abstract: A power transfer system includes a power transmission device and a power reception device. A central conductor and a peripheral conductor are formed near the upper surface of a casing of the power transmission device. The peripheral conductor surrounds the central conductor in an insulated state from the central conductor. An alternating voltage generating circuit is provided for the power transmission device and applies an alternating voltage between the central conductor and the peripheral conductor. A central conductor and a peripheral conductor are formed near the lower surface of a casing of the power reception device. The peripheral conductor surrounds the central conductor in an insulated state from the central conductor. A load circuit is provided for the power reception device, and a voltage induced between the central conductor and the peripheral conductor is applied to the load circuit.

Abstract: A system is provided for controlling two alternating current (AC) machines via a five-phase PWM inverter module. The system comprises a first control loop, a second control loop, and a current command adjustment module. The current command adjustment module operates in conjunction with the first control loop and the second control loop to continuously adjust current command signals that control the first AC machine and the second AC machine such that they share the input voltage available to them without compromising the target mechanical output power of either machine. This way, even when the phase voltage available to either one of the machines decreases, that machine outputs its target mechanical output power.

Abstract: A method used by a phase difference detection circuit for detecting a phase difference between two signals includes shifting a detected phase difference between the two signals by an offset value, outputting the detected phase difference, and controlling the offset value such that the outputted detected phase difference falls within a phase difference range between a lower limit and an upper limit.

Abstract: A power extractor suitable for locations proximate to the sink of a signal channel is disclosed. The power extractor can generate power from the signal channel without substantially disturbing a quality of signals within the channel. In one embodiment, the power extraction circuit can include: a current source coupled to a sink side of a signal channel, where the signal channel is independent of any power supply signal, the current source being high impedance to maintain signal quality within the signal channel; a first regulator configured to generate a first regulated supply from a current derived from the signal channel using the current source; and a second regulator coupled to the first regulator, where the second regulator is configured to generate a second regulated supply from the first regulated supply.

Abstract: Systems and methods for controlling power usage of devices in information handling systems are provided. A device for use in an information handling system may include a connector and an auxiliary power connector. The connector may be configured to electrically couple to a device connector such that the device transmits and receives data via the device connector and receives electrical current from a power supply via the device connector. The auxiliary power connector may be configured to electrically couple the device to the power supply such that the device receives electrical current from the power supply via the device connector, the auxiliary power connector including at least one sense line, the at least one sense line configured to receive at least one power control signal. The device may be configured to establish its power usage in response to receiving the at least one power control signal.

Abstract: A system and method for charging an electric vehicle includes identifying vehicle information corresponding to the electric vehicle based on an electronic image of the electric vehicle, retrieving from an electronically stored local database a location of a charging port on the electric vehicle based on the vehicle information, robotically moving a charging connector according to the retrieved location to engage the charging port of the electric vehicle, querying the local database to determine whether a current time corresponds to an energy efficient usage time based on energy efficient usage data received from a power grid, and initiating a charging process upon determining that the current time corresponds to the energy efficient usage time.

Abstract: A method of inducing a high efficiency conductive state at room temperature within a conductive mass (1) by injecting a complex modulated carrier signal (7) into one or more injection points (2,3) whereby the carrier signal and the subharmonic modulation frequencies (4,5,6) which are imbedded in the modulation of the carrier signal are tuned to the mass lattice qualities of the material. The amplitude and phase relationship of each individual subharmonic frequencies (4,5,6) are respectively tuned to the mass lattice qualities of the conductive mass (1). This method of excitation, with precise matching of subharmonic modulation frequencies, and with a precise matching concordant harmonic of the carrier frequency, creates an observed ionic excitation throughout the conductive mass (1) at room temperature.

Abstract: A shock wave in a gas is modified by emitting energy to form an extended path in the gas; heating gas along the path to form a volume of heated gas expanding outwardly from the path; and directing a path. The volume of heated gas passes through the shock wave and modifies the shock wave. This eliminates or reduces a pressure difference between gas on opposite sides of the shock wave. Electromagnetic, microwaves and/or electric discharge can be used to heat the gas along the path. This application has uses in reducing the drag on a body passing through the gas, noise reduction, controlling amount of gas into a propulsion system, and steering a body through the gas. An apparatus is also disclosed.

Abstract: A communication terminal that includes a wireless communication unit used to communicate with another communication terminal, a power transmitting unit that transmits contactless electric power to the another communication terminal, and a control unit that controls the wireless communication unit to transmit, to the another communication terminal, an instruction for receiving the contactless electric power transmitted from the power transmitting unit.

Abstract: The present invention relates to a method and an apparatus for hybrid vehicle auxiliary battery state of charge control. In one embodiment, the present invention is an automobile including an electronic accessory, a first battery connected to the electronic accessory, and a control unit connected to the first battery, the control unit monitoring the first battery and disconnecting the first battery from the electronic accessory when the first battery is in a first operational condition.

Abstract: The semiconductor integrated circuit includes: a pair of antenna terminals; a rectifier; a source-voltage terminal; a shunt regulator; a series regulator. When the voltage of the inside source line rises to or above a first set voltage, the shunt regulator passes a pull-down current through a pull-down transistor. When the voltage of the inside source line drops to or below the second set voltage, the series regulator passes a pull-up current through a pull-up transistor. The first set voltage is set to be higher than the second set voltage in voltage level. With the semiconductor integrated circuit, the competition of actions of the two regulators is prevented. The semiconductor integrated circuit is arranged to work in contact and noncontact operation modes, and a stable source voltage can be supplied to an internal circuit thereof.

Abstract: The invention provides lateral nanoelectromechanical switches useful for integration into circuitry fabricated using standard semiconductor processing methods, or using techniques compatible with the mainstream semiconductor processing technologies. Methods of fabricating the switches are described. Some exemplary designs for two and three terminal switches are provided. Descriptions of structural features and the operating parameters for some exemplary switches are given. The switches are expected to be compatible with circuitry that is operable in computer-based systems.

Abstract: An adaptive inductive ballast is provided with the capability to communicate with a remote device powered by the ballast. To improve the operation of the ballast, the ballast changes its operating characteristics based upon information received from the remote device. Further, the ballast may provide a path for the remote device to communicate with device other than the adaptive inductive ballast.

Abstract: According to one embodiment, an apparatus includes a power module that includes a power source. The apparatus also includes a power consumption module that is configured to consume power from the power source. Further, the apparatus includes a power control module that is configured to selectively regulate power from the power source to the power consumption module. Each of the power module, power consumption module, and power control module includes a positive power terminal, a negative power terminal, and at least one neutral terminal. The power module, power consumption module, and power control module each is removably interconnected adjacently to at least another of the power module, power consumption module, and power control module via engagement between the positive power terminals of the at least one adjacent module, the negative power terminals of the at least one adjacent module, and the neutral terminals of the at least one adjacent module.

Abstract: A beam power source transmits a signal indicating power availability, receives a request for power in response, and beams power in response to the request.

Abstract: A power delivery system wirelessly deliver electric power and a communication signal to a target device. The power delivery system includes a power transmitting unit having a power source operable to source alternating current power and a sending resonant coupling component operable to couple the alternating current power to a coil for wireless power transmission by a non-radiated magnetic field at a target resonant frequency. The power transmitting unit is capable of dynamically tuning the wireless power transmission to the target resonant frequency wherein the target resonant frequency is specified dynamically. A communication module couples to the power transmitting unit and is operable to couple the communication signal to the non-radiated magnetic field. Operations may include target device authentication, target resonant frequency information communication, billing, and device management.

Abstract: An object is to provide a power feeding system and a power feeding method which are more convenient for a power feeding user at the power receiving end, without causing increases in complexity and size of devices. An object is to provide a power feeding system and a power feeding method which also allow a power feeding provider (a company) which feeds power (at the power transmitting end) to supply power without waste. A power feeding device which wirelessly supplies power to a power receiver detects the position and the resonant frequency of the power receiver by receiving a position and resonant frequency detection signal using a plurality of sub-carriers having different frequencies from the power receiver, and controls the frequency of a power signal to be transmitted to the power receiver on the basis of the information. An efficient power feeding service can be offered by transmitting a power signal to the power receiver at an optimum frequency for high power transmission efficiency.

Abstract: An electrical power converter for converting power from a bipolar DC source to supply an AC load is disclosed. For one such embodiment the bipolar DC source is a photovoltaic array and the AC power is sourced into an electric power grid. The bipolar photovoltaic array has positive and negative voltage potentials with respect to earth ground. The converter is a utility interactive inverter which does not require an isolation transformer at the electric power grid interface. Embodiments of the invention include methods of detecting and interrupting DC ground faults in the photovoltaic array.

Abstract: A rail vehicle of the type comprising including at least one equipped axle which is provided with a transmission shaft which is movable in terms of rotation and which is fixedly joined in terms of rotation to two wheels, each of which is provided with a tire, the device including an electric current supply source, the source supplying a friction assembly with electric current. The friction assembly is alone and is electrically connected to a cable assembly which electrically connects the tires of the two wheels, the cable assembly including a cable portion which extends inside the transmission shaft between the two wheels.

Abstract: In one embodiment, a power adapter comprises a power supply to output power for powering a powered device. The power adapter outputs information indicative of an amount of power output by the power supply for use by the powered device to control the amount of power used by the powered device.

Abstract: A mechanism to tap an electrical source which uses an aircraft (10) (preferably a lighter than air balloon) tethered by a conductive line (12). The conductive line (12) is extended/withdrawn by a winch motor (13, 14) to adjust the altitude of the aircraft (10). The conductive line (12) is isolated from the ground (17) and an electrical conductor (6) is connected to the conductive line and to an electrical load (5). In this manner, static electricity generated in the atmosphere is gathered for use.

Abstract: A method and system for measuring and compensating for a leakage current in a high voltage transformer. Such a method and/or system include the use of a primary winding and a secondary winding, which can be provided on a core of a soft-magnetic material. A current transformer can be placed about the leads to both the terminals of the primary winding. The current transformer can be utilized to reliably measure the leakage current flowing from the secondary winding to the primary winding through one or more amplifiers to a ground terminal. The leakage current flows back to the transformer secondary winding through a low-side current sense resistor. The total current monitor signal can be generated by the low-side current sense resistor and the leakage current measured by the current transformer is vector-subtracted from the total current monitor signal. The result is a current monitor signal fully representative of the high voltage transformer's actual load current.

Abstract: A dynamic electrical converter system configured to receive a variable voltage input which is then converted to a proper electrical configuration for a load. The converter assembly utilized multiple converters, each of which is configured to accept a unique range of voltages and from these voltages creating the desired electrical output configuration. A monitor checks the incoming voltage and by controlling switches going to each of the converters, selectively closes the circuit to the appropriate converter; thereby, routing the incoming voltage to the converter capable of addressing the incoming voltage.

Abstract: An antenna for the collection of atmospheric static electricity in which an electrically conductive hub is suspended from a balloon or blimp via a tether. The hub is either solid or uses a spoke/arm arrangement. A number of rods extend from the hub enhance the collection of atmospheric static electricity. The collected atmospheric electricity is conducted from the rods to an electrical connection where the electricity is conducted to earth via a conductive line.

Abstract: A power cord is disclosed. The power cord includes a plug unit, a cable unit, a device connecting unit, and a control unit. The control unit could be installed in the plug unit or the device connecting unit. The control unit has a detecting module, a processing module, and a wireless communication module. The detecting module is used for detecting a power transmitting status of the power cord such as voltage and current, and transmitting the power transmitting status to the processing module for the generation of a power source data, which is prepared by the processing module. The power source data may be delivered to external devices through the wireless communication module so that an objective of efficient power source management may be achieved.

Abstract: An inductive power supply system to identify remote devices using unique identification frequencies. The system includes an AIPS and a tank circuit capable of inductively providing power to a remote device at different frequencies, and a sensor for sensing the reflected impedance of the remote device at tank circuit. The system further includes a plurality of different remote devices, each having a unique resonance frequency. In operation, the AIPS is capable of identifying the type of remote device present in the inductive field by applying power to a remote device at a plurality of unique identification frequencies until the remote device establishes resonance in response to one of the identification frequencies. The AIPS includes a controller that recognizes when resonance has been established by evaluating sensor data, which is representative of the reflected impedance of the remote device.

Abstract: A beam power source transmits a signal indicating power availability, receives a request for power in response, and beams power in response to the request.

Abstract: A beam power source transmits a signal indicating power availability, receives a request for power in response, and beams power in response to the request.

Abstract: A power transmitting apparatus includes a power transmitting apparatus side passive electrode and a power transmitting apparatus side active electrode, and a power receiving apparatus includes a power receiving apparatus side active electrode and a power receiving apparatus side active electrode. The power transmitting apparatus side active electrode and the power transmitting apparatus side passive electrode are not parallel with each other in terms of a positional relationship, and the power receiving apparatus side active electrode and the power receiving apparatus side passive electrode are not parallel with each other in terms of a positional relationship. By mounting the power receiving apparatus on the power transmitting apparatus, the power transmitting apparatus side passive electrode and active electrode respectively face the power receiving apparatus side passive electrode and active electrode.

Abstract: Magneto mechanical systems used for wireless power reception. A miniature moving magnet is placed in an oscillating magnetic field. Movement of the magnet causes power to be generated.

Abstract: Described embodiments include a system, apparatus, and method. A described system includes a power-receiving connector configured to be usable after sterilization, to releasably couple with a power-source connector, and configured to be carried by a health care provider proximate to a first body portion. If coupled, the power-receiving connector is operable to receive an electrical or radiant power from the power-source connector. The system also includes a power-output device configured to be usable after sterilization, to interact with a power-receiving device connected to a handheld medical device, and configured to be carried by the health care provider proximate to a second body portion. If interacting, the received electrical or radiant power is transferred from the power-output device to the power-receiving device.

Abstract: Upon receiving a supply start instruction, each vehicle (2, 3, 4) transmits its own identification ID to other vehicles (sequence SQ12, SQ14, SQ16). A vehicle (2) determining that it is a master itself performs notification of master to the vehicles (3, 4) (sequence SQ20) and begins generation of an AC voltage conforming to its own period (sequence SQ22). Each vehicle (3, 4) generates an AC current synchronized with a voltage reference which is the AC voltage generated from the vehicle (2) (sequence SQ26a, SQ26b). In this way, the vehicles (2, 3, 4) cooperate to begin power supply to a power load.

Abstract: A method and apparatus for transmission of charged particles along a laser-induced conduction path of concentric plasma channels in atmosphere. The apparatus comprises a high power laser array in operable communication with a high energy output means to accomplish initiation of at least two concentric plasma channels in atmosphere, a second energy source for outputting the charged particles to be transmitted, and means for introducing the charged particles to be transmitted into the wall of at least one of the laser-induced conduction channels. Other embodiments further include means for inducing the energy across the conduction path to a target capable of receiving and storing the energy, and a plurality of charging rods bearing a negative or positive charge and in communication with each conductive channel for shaping and stabilizing the charge transmitted therethrough.

Abstract: A wireless annunciator for an electrical generator displays data regarding operation of the electrical generator to provide feedback to a remote observer regarding performance of the electrical generator in meeting the demands placed thereon. The wireless annunciator wirelessly receives transmissions from one or more wireless modules and displays information based on the data contained in the transmissions. The wireless modules may be associated with sensors, for example, that measure various performance parameters of the electrical generator, such as current draw, fuel level, fuel pressure, and the like. A load management controller can communicate with one or more load-side modules, either wirelessly or across wired links, to control operation of one or more loads to avoid overloading of the electrical generator.

Abstract: The invention relates to a device for pseudo-differential transmission through interconnections used for sending a plurality of electrical signals. An interconnection comprises 4 transmission conductors and 5 elementary return conductors which are distinct from the reference conductor. One end of the interconnection is connected to a termination circuit. A transmitting circuit receives at its input the signals from the 4 channels of a source, and is connected to the conductors of the interconnection. Each output signal of a receiving circuit is mainly determined by one or more of the voltages between one of its signal terminals connected to the transmission conductors and its common terminal connected to the elementary return conductors. The signals of the 4 channels of the source are sent to the four channels of the destinations without noticeable external crosstalk.

Abstract: An electrical power transmission system includes electrical insulators arranged to electrically isolate live power lines. Measurement devices are physically incorporated or integrated in the insulator structures. The measurement devices measure and report insulator properties during live wire conditions.

Abstract: The apparatus according to the invention is composed of one or plural generator devices (2) connected to an energy source and of one or plural loads (3) (which may be mobile). Each load is powered by the intermediary of a limited spatial zone (4) where an electric field that is intense and rapidly varying is present, and this is achieved without wires or electrical contact or use of an earth connection. The intense field is created locally between certain sub-electrodes (5) located on the surface of the generator and an electrode (6) or several sub-electrodes on the load side and located opposite. The active sub-electrodes (5) on the generator side are selected by switches (7), for example magnetic switches activated by a permanent magnet (8) located at the load (3). On the load side, a passive electrode (9) is used which can be considered as mainly coupled to the surrounding dielectric medium.

Abstract: A power supply, such as for powering and supplying communication data to devices connected with a low voltage line, is disclosed. For example, a converter device is coupled with an alternating current voltage source. The converter device down-converts an alternating current voltage to a direct current voltage. A switching device is in communication with the converter device. A processor is in communication with the switching device. The processor outputs a signal to the switching device. The switching device generates a square wave signal as a function of the signal from the processor and the direct current voltage. A remote device is controlled by data encoded in the square wave signal.

Abstract: Embodiments provide systems and methods for controlling electronic circuitry. A system can include at least a first controller and a second controller and at least one power electronic circuitry module. The first controller can be in electrical communication with the power electronic circuitry module via a first high-speed serial link (HSSL). The second controller can be in electrical communication with the power electronic circuitry module via a second HSSL.

Abstract: An electronic device having at least a loop-shaped electric conductor generating electric power by electromagnetic induction is provided. The electronic device includes a voltage-detecting unit, a voltage-comparing unit and a separating unit. The voltage-detecting unit is configured to detect a voltage generated in the electric conductor by the electromagnetic induction. The voltage-comparing unit is configured to make a comparison between the voltage detected by the voltage-detecting unit and a predetermined reference voltage and determining whether the voltage detected by the voltage-detecting unit exceeds the predetermined reference voltage. The separating unit is configured to break an electric connection between the electronic conductor and an electronic circuit connecting to the electric conductor when the voltage-comparing unit determines that the voltage detected by the voltage-detecting unit exceeds the predetermined reference voltage.

Abstract: An electronic system includes at least two subassemblies connected through an assembly of at most three conductors (3), each subassembly (1, 2) including at least one microprocessor. In its preferred alternative embodiments, it allows the connection of electronic subassemblies through a cable containing two or three conductors. Further, in certain alternatives it allows galvanic insulation to be achieved between the subassemblies. The galvanic insulation obtained has technical characteristics capable of complying statutory requirements as regards electrical safety without resorting to cables complying the statutory requirements.

Abstract: A base unit suitable to improve easy exchangeability of a function unit in a dual wiring system is provided. The base unit is mounted in a wall surface of a structure, and connected to both of an electric power line and an information line previously installed in the structure. The base unit has a module port, which is detachably connected to a module connector of the function unit to simultaneously establish both of supplying the electric power from the base unit to the function unit, and making a signal transmission between the base unit and the function unit, thereby enabling the function unit to provide at least one of functions for supplying electric power from the electric power line, outputting information from the information line and inputting information into the information line when connected with the base unit.

Abstract: An inductive power supply system to identify remote devices using unique identification frequencies. The system includes an AIPS and a tank circuit capable of inductively providing power to a remote device at different frequencies, and a sensor for sensing the reflected impedance of the remote device at tank circuit. The system further includes a plurality of different remote devices, each having a unique resonance frequency. In operation, the AIPS is capable of identifying the type of remote device present in the inductive field by applying power to a remote device at a plurality of unique identification frequencies until the remote device establishes resonance in response to one of the identification frequencies. The AIPS includes a controller that recognizes when resonance has been established by evaluating sensor data, which is representative of the reflected impedance of the remote device.

Abstract: A power system oscillation detection device is provided for use in an electric power system. A plurality of sample signals are acquired from the electrical power system via a plurality of intelligent electronic devices (IEDs) in communication with the power system. The power system oscillation detection device includes a real-time modal analysis module, a real-time mode identification module, and real-time decision and control logic. The real-time modal analysis module calculates modes of at least one of the signals, each mode including mode information. The real-time mode identification module together with the real-time decision and control logic determines, from the mode information, whether there is an undesirable oscillation in the electric power system and activates a remedial action.

Abstract: An energy harvesting circuit includes one or more broadband or narrow band antennas to detect WIFI (wireless fidelity) or other RF (radio frequency) signals. The signals are rectified and voltage multiplied, and the resultant DC voltage is provided to a power management circuit. The output of the power management circuit charges a lithium battery or other storage device within the energy harvesting circuit. The energy stored in the battery or storage device is provided through a DC/DC converter circuit to a USB output connector to power or recharge the batteries of an external electronic device connected to the USB output connector of the energy harvesting circuit.

Abstract: A semiconductor power device, e.g., an Insulated Gate Bi-polar Transistor (IGBT) or a Metal-Oxide Field Effect Transistor (MOSFET) may be constructed in a reusable and repairable cost-effective sealed shell. The switch may be provided with direct-pressure-contact caps which may perform as electrical conductors for a semiconductor die of the switch and also as thermal heat-sink contacts for the device. The switch may be provided with internal self-powered gate driving control and PHM incorporated in sealed shell. Embodiments of the switch may be constructed with no external gating/PHM connection pin penetrations through the shell.

Abstract: A system and method of generating and distributing power includes one or more microwave power transmitters at locations on Earth adjacent natural fuel or power resources such as natural gas, oil, solid fuel, or geothermal energy. The fuel or energy source is converted into electricity on site, and the electricity is then converted into microwave power beams transmitted from the microwave power transmitter towards a redirector satellite in orbit about the Earth. The redirector satellite then sends one or more microwave beams to rectennas located in consumer nations at appropriate sites for feeding the power grid or to additional redirector satellites for directing to rectennas located on the far side of the Earth.

Abstract: Some embodiments provide a system for charging devices. The system includes a master device and a slave device. Some embodiments provide a method for charging devices in a system that includes a slave device and a master device. The slave device includes (1) an antenna to receive a radio frequency (RF) beam and (2) a power generation module connected to the antenna that converts RF energy received by the slave antenna to power. The master device includes (1) a directional antenna to direct RF power to the antenna of the slave device and (2) a module that provides power to the directional antenna of the master device.

Abstract: A subsea switchgear apparatus including a frame, at least one electrical power inlet mounted to the frame, at least one electrical power outlet mounted to the frame, a distribution chamber mounted to the frame, and at least one canister mounted to the frame. The at least one canister includes a chamber accommodating at least one high voltage circuit breaker. Electrical connections are arranged in the distribution chamber for electrically connecting a respective circuit breaker of a canister to an associated power inlet and power outlet of the switchgear apparatus. The chamber of the respective canister is separated from the distribution chamber by a pressure barrier.

Abstract: An adaptive inductive ballast is provided with the capability to communicate with a remote device powered by the ballast. To improve the operation of the ballast, the ballast changes its operating characteristics based upon information received from the remote device. Further, the ballast may provide a path for the remote device to communicate with device other than the adaptive inductive ballast.