Abstract: A vehicle carries an energy storage system that powers mobility of the vehicle. The vehicle further carries a direct current input coupling to be connected to a direct current (DC) electrical power source, a DC output coupling, an alternating current (AC) input coupling, an AC output coupling, and electronics carried by the vehicle to control both AC and DC voltage and power levels.

Abstract: A solid state relay and a method for controlling a signal path between an AC-signal output and a load in a power amplifier assembly are disclosed. The relay comprises a first and a second MOSFET having a common gate junction, a common source junction and wherein and wherein a drain terminal of a first MOSFET and a drain terminal of a second MOSFET form relay terminals. The solid state relay further comprises a control circuit comprising a positive side comprising a first controlled current generator configured to provide a first control current to the gate junction, and a negative side comprising a current mirror circuit configured to sink a second current from the source junction. Hereby, a generic solid state speaker relay has been disclosed. The relay performs up to the most stringent demands regarding pop/click on high quality products. It can be used to ground wire break, hot wire break and BTL (Bridge Tied Load) break.

Abstract: A wireless power receiver includes a resonance circuit, a power receiver, and a data transmitter. The power receiver is configured to control the resonance circuit to receive wireless power. The data transmitter is configured to control the resonance circuit to transmit data.

Abstract: In a sequential circuit, a first stage is configured to charge a voltage of a first node in response to a clock, and to discharge the voltage of the first node in response to the clock, a voltage of a second node, and data; a second stage is configured to charge the voltage of the second node in response to the clock, and to discharge the voltage of the second node in response to the clock and a logic signal; a combinational logic is configured to generate the logic signal based on the voltage of the first node, the voltage of the second node, and the data; and a latch circuit is configured to latch the voltage of the second node in response to the clock.

Abstract: An apparatus includes a master latch circuit including a first circuit and a second circuit, and a slave latch circuit including a third circuit and a fourth circuit. The first circuit and the second circuit may be coupled to a first shared circuit node, and the third circuit and the fourth circuit may be coupled to a second shared circuit node. The master latch circuit may be configured to store a value of an input signal in response to an assertion of a clock signal. The slave latch circuit may be configured to store an output value of the master latch circuit in response to a de-assertion of the clock signal. The master latch circuit may also be configured to de-couple the first shared circuit node from a ground reference node in response to the de-assertion of the clock signal.

Abstract: A power supply apparatus includes an output unit that wirelessly outputs electric power to an electronic device, a communication unit that wirelessly communicates with the electronic device, a detecting unit that detect a current flowing to the output unit, and a control unit that performs a process to limit the current flowing to the output unit in a case where the current detected by the detecting unit is greater than or equal to a predetermined value set according to a predetermined magnetic field strength while the output unit outputs the electric power to the electronic device.

Abstract: The station-building power supply device includes a capacitor unit that stores therein surplus regenerative power, a first power conversion unit that performs DC/DC power conversion, and a second power conversion unit that converts DC power. A first voltage threshold for detecting the occurrence of surplus regenerative power is set and a first SOC threshold for detecting whether the capacitor unit can discharge is set. The first power conversion unit is controlled such that power is supplied from the feeder to the capacitor unit to charge the capacitor unit when the feeding voltage exceeds the first voltage threshold, and the second power conversion unit is controlled such that power is supplied from the capacitor unit to the station loads when the SOC of the capacitor unit exceeds the first SOC threshold.

Abstract: Distortion in a combined sample and hold circuit and multiplexer can be reduced by dividing the sample and hold circuit and the multiplexer up into main and compensation signal channels, and considering the total error signal that arises during an acquire phase across both the switches of the multiplexer and the input switches of the sample and hold stage as a single error signal that has to be compensated. This compensation is then achieved by causing the same error voltages to be induced in both the main and compensation channels of the whole MUX and sample and hold circuit, such that errors can be made to cancel, thus improving the performance of the stage.

Abstract: The invention relates to a simulation circuit of an alternating electric grid, the circuit having at least one alternating port, a bank of first resistances that can be selectively connected to the alternating port by connecting means. According to the invention, the circuit comprises a reversible AC-DC converter comprising an alternating side connected to the alternating port and a direct side connected to a sub-circuit for dissipating energy into direct current connected to an electric battery able to be charged with direct current and discharged with direct current.

Abstract: A clock gating circuit includes a first precharge unit charging a first node based on a clock signal, a second precharge unit charging a second node based on the clock signal, a first discharge unit discharging the first node based on the clock signal, a second discharge unit discharging the second node based on the clock signal, a first cross-coupled maintain unit maintaining the first node at a charge state according to a voltage level of the second node, a second cross-coupled maintain unit maintaining the second node at a charge state according to a voltage level of the first node, and a control unit controlling the first and second discharge units to discharge the first node or the second node on the basis of a clock enable signal.

Abstract: A method of determining temperature ranges and setting performance parameters in a semiconductor device that may include at least one temperature sensing circuit is disclosed. The temperature sensing circuits may be used to control various operating parameters to improve the operation of the semiconductor device over a wide temperature range. The performance parameters may be set to improve speed parameters and/or decrease current consumption over a wide range of temperature ranges.

Abstract: A phase shift detector comprises a comparator for detecting phase information of a signal and an offset calibration circuit. In order to prevent input offset voltage of the comparator from affecting phase detection accuracy, bulk voltage is inputted to the comparator from the offset calibration circuit to adjust threshold voltage of transistor in the comparator for compensating input offset voltage of the comparator and improving accuracy of the phase shift detector.

Abstract: A coil unit, a wireless power feeding device, a wireless power receiving device, and a wireless power transmission device are provided that are capable of reducing high voltage induced on the metal part. A coil unit Lu1 includes a power transmission coil L1, a first reactance circuit X10 that is connected to one end portion of the winding of the power transmission coil L1 and forms a resonant circuit together with the power transmission coil L1, a metal part SD disposed on the same side as the back side of the power transmission coil L1, and a first adjustment capacitor C10 connected between the other end portion of the winding of the power transmission coil L1 and the metal part SD.

Abstract: Embodiments relate to programmable delay circuit. An aspect includes a first stage comprising a first hybrid fin field effect transistor (finFET) comprising a first gate corresponding to a first control FET, and a second gate corresponding to a first default FET, and a first plurality of fins, wherein the first gate and the second gate of the first stage each partially control a first shared fin of the first plurality of fins. Another aspect includes a second stage connected in series with the first stage, the second stage comprising a second hybrid finFET comprising a first gate corresponding to a second control FET, and a second gate corresponding to a second default FET, and a second plurality of fins, wherein the first gate and the second gate of the second stage each partially control a second shared fin of the second plurality of fins.

Abstract: An information collection circuit includes a control circuit, which collects information of a measurement subject from a detection circuit, and a rectification circuit, which rectifies electromotive force. A first switch, coupled between the rectification circuit and the control circuit, becomes conductive based on DC voltage generated by the rectification circuit. A second switch, coupled between the control circuit and a battery, becomes conductive based on a control signal provided from the control circuit. The second switch is non-conductive when the control circuit is inactive. The control circuit is activated by a first power voltage supplied via the first switch to control the second switch to become conductive, and is operated based on a second power voltage supplied from the battery via the conductive second switch.

Abstract: A method of providing wireless power transfer can include receiving multi-phase power at a transmitter portion of a multi-phase wireless power transfer system that is associated with an electrical equipment rack that is configured to house a plurality of electrical components and wirelessly transferring the multi-phase power from the transmitter portion to a receiver portion of the multi-phase wireless power transfer system at a power level that is configured to operate the plurality of electrical components.

Abstract: This invention discloses a method and apparatus for managing energy shedding by utilizing built-in energy storage capacity of electronic devices to realize load shedding by selecting disconnecting the devices from the electrical grid and operating on battery power and detecting appropriate periods to reconnect the devices to the grid to replenish the expended energy in the energy storage capacity.

Abstract: A lighting device that includes a lighting unit, index unit, drive unit, sensor, and control unit. The lighting unit includes a plurality of light sources, with each light source having different color spectra. The index unit is to calculate a color rendering index based on stored data on spectra of the light sources and individual first drive data for the light sources. The drive unit is to individually energize the light sources according to the first drive data. The sensor is to measure a spectral power distribution emitted by the lighting unit. The control unit is to receive the spectral power distribution, predetermined spectral power distribution, and color rendering index associated with weighted sensor values calculable from the individual first drive data, maximize the color rendering index, and stop maximization when an error between the predetermined spectral power distribution and the measured spectral power distribution falls below a limit value.

Abstract: A power supply system comprises a fuel cell and a battery, each for supplying electrical power to a load. The system is controlled to use the fuel cell for a first period of time (82) to supply electrical power to the load, wherein the power demand is constant over a first time period (82). The battery is used simultaneously with the fuel cell for a second supply time of electrical power to the load, wherein the power varies (84). In this way, fluctuating output is provided by the battery, and the fuel cell output is maintained as constant as possible to prolong the lifetime. During the second supply time, the power to the load (80) can be provided as a constant contribution from the fuel cell and a variable contribution from the battery.

Abstract: A duty correction device may be provided. The duty correction device may include a duty controller configured to output a control signal by controlling a duty of a duty corrected signal, and detect a level of a feedback signal to convert the duty based on a code signal which is applied at a section where the level of the feedback signal corresponds to a logic level. The duty correction device may include a power gating circuit configured to generate the feedback signal by driving the control signal.