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8896367 Charge pump system  
The charge pump system includes a clock generator, a boosting unit determination device, a charge pump circuit, and a voltage regulator. The clock generator is used for generating a clock group....
8897044 Electronic device having complete power-saving mechanism  
An electronic device including a power switch, a switch unit, a power supply unit and a control unit is provided. Two power ends of the power switch are connected in parallel with two connecting...
8897038 Switching power converter dynamic load detection  
A secondary-side dynamic load detection system and method rapidly identifies when a dynamic load has been placed on the output (e.g., when an electronic device is re-connected to the switching...
8896157 Power supply and power supplying system with remote power management function  
The power supply includes a first power connector, a power conversion circuit, a control unit and a detection circuit. The first power connector includes a plurality of power terminals and a first...
8896260 Power supply unit for press machine  
A power supply unit for a press machine having a converter (converter circuit) connected to a commercial AC power supply, and an inverter (inverter circuit) connected to a press motor, includes an...
8896154 Power conversion device  
With a power conversion device, it is possible to lengthen the lifespan of a mechanical switch by preventing an absorption by the mechanical switch of induction energy accumulated in a reactor...
8897046 DC voltage conversion module, semiconductor module, and method of making semiconductor module  
A DC voltage conversion module includes a substrate, an input terminal, an output terminal, a ground terminal, a DC voltage conversion control element mounted on the substrate, a coil mounted on...
8897042 Power source system and control circuit  
A power source system including power-factor modifying circuits to modify a power factor of supplied electric power, a time difference circuit to output start signals for instructing the...
8897037 Systems and methods for reducing standby power consumption of switch-mode power converters  
Power conversion system and method. The system includes a first capacitor, a second capacitor, and a plurality of diodes including a first diode, a second diode, a third diode, and a fourth diode....
8890535 Power supply aging system and load balance control method  
A power supply aging system and a load balance control method. The power supply aging system includes: a system share supply unit (201) for producing a DC voltage for the need of the system...
8891252 Offline power supply and apparatus for charging a plug-in vehicle  
An offline power supply includes a power supply circuit including a primary-side circuit for connecting to a first power source, a secondary-side circuit for connecting to a load, and a...
8892394 System and method for race participant tracking and reporting of associated data  
A system and method are provided for tracking race participants via a Global Positioning System, providing feedback in substantially real time to the race participant, and optionally to other...
8890367 Resonance power receiver that includes a plurality of resonators  
Provided is a resonance power receiver, including a first resonator, a second resonator to receive a resonance power and a phase shifter to shift the phase of the signal received via the second...
8891262 Series switch bridgeless power supply  
A series-switch bridgeless power supply provides common-mode EMI filtering. The power supply includes a center-tapped inductive device bifurcated into first and second windings. The AC input,...
8891261 Three-phase three-level soft-switched PFC rectifiers  
A low input-current-harmonic three-phase three-level boost rectifier includes an input stage for receiving a three-phase input voltage in relation to a neutral node and an output stage adapted to...
8890465 Circuit arrangement for modular drive power converters  
The invention relates to power converter circuits which are suitable, in particular, for mobile drive systems with stringent requirements in terms of weight minimization and availability as well...
8890357 Bathing system transformer device with first and second low voltage output power connections  
A line voltage transformer device for a bathing installation includes a housing structure, with a line voltage electrical power connection including a line voltage wiring cable having an...
8891264 Series circuits and devices  
Embodiments of the present invention relate to a rectifier circuit and methods of making the same for use in wireless devices (e.g., RFID tags). The present invention is drawn to a rectifier...
8891259 Control circuit and method for audible noise suppression in a power converter  
A control circuit is configured for controlling a power switch to regulate an output of a power converter. The control circuit is configured to increase a switching frequency of the power switch...
8890368 Systems and methods for power transfer based on resonance coupling of inductors  
An integrated circuit (IC) includes first and second resonator circuits and an isolation barrier. The first resonator circuit includes first and second inductors, wherein the first resonator...
8891997 Power supply system for stopping and starting operation in accordance with input voltage and image forming apparatus including the same  
A power supply apparatus determines that an input AC voltage has reached a voltage at which a power supply control IC can start operating, based on the voltage at an auxiliary winding of a...
8891251 Method and apparatus for achieving zero AC-draw mode for a device  
The disclosure describes a processing system with a soft power switch assembly configured to include a zero-power off mode that would allow an off state with no power drain by the device while...
8891254 Power converter and battery charger using the same  
A power converter including: a transformer in which first and second voltages are induced; a full-bridge circuit including parallel-connected first and second arms each including series-connected...
8891265 Overvoltage limitation in a switch-mode converter  
A switch-mode converter including an inductive transformer having a secondary winding associated with at least one first switch, including, in parallel with the first switch, at least one first...
8891256 Systems and methods for flyback power converters with switching frequency and peak current adjustments  
System and method for regulating a power converter. The system includes a comparator configured to receive a first signal and a second signal and generate a comparison signal based on at least...
8891257 Drive circuit for a synchronous rectifier and a method for controlling it  
A pulsed drive signal without a dead band can be achieved by a drive circuit arranged to receive opposite pulsed input signals, having a dead band between them, a transformer arranged to receive...
8891263 Inverter apparatus having power supply circuit  
An inverter apparatus having a power supply circuit includes a converter circuit for rectifying AC power into DC power, a smoothening circuit for smoothening the rectified DC power, an inverter...
8890463 Direct current bus management controller  
A direct current bus management system can include a power management and distribution unit, having a source management section, a bus management section coupled to the source management section,...
8890366 Wireless energy transfer using array of resonant objects  
A system for exchanging energy wirelessly comprises an array of at least three objects having a resonant frequency, each object is electromagnetic (EM) and non-radiative, and generates an EM...
8891271 Energy scavenging interface, method for operating the energy scavenging interface, and energy harvesting system comprising the energy scavenging interface  
An energy scavenging interface has an input port receiving an electrical signal from a storage element of a transducer, and an output port supplying an output signal to an electrical load. The...
8891268 System and method for soft-starting an isolated power supply system  
One embodiment of the invention relates to a switching control system for controlling an isolated power supply. The system includes a pulse-width modulation (PWM) switching controller configured...
8891270 Voltage adjusting circuit and contactless card and contactless card system which include the same  
A voltage adjusting circuit includes an inducing circuit configured to induce a voltage from electromagnetic waves, a first rectifying circuit configured to rectify an output signal of the...
8890453 Power conversion apparatus  
In a power conversion apparatus, a main switching element in one main circuit is controlled to repeat an on-off state, and a diode in the other main circuit is used as a freewheeling diode....
8890495 Power supply for integrated circuit  
A power supply that provides a supply voltage to an integrated circuit (IC) includes high and low power regulators and a power management circuit. The high power regulator regulates the supply...
8891255 Switching power supply apparatus including simultanous control of multiple outputs  
In a switching power supply apparatus, a resonant capacitor and an inductor are connected in series between a primary winding in a transformer and a second switching element. A first rectifier...
8891267 AC-DC converter with adaptive current supply minimising power consumption  
A circuit arrangement with standby mode minimizing power and/or current consumption having a mains AC power supply terminals and an active circuit capable of converting said mains AC power to...
8891258 Switch mode power supply and control method thereof  
In one embodiment, a switch mode power supply comprising a switch and a control circuit is disclosed. The control circuit may comprise a multi-function pin configured to receive a first current...
8890374 Uninterruptible power supply system for avoiding arcing generation and cabinet thereof  
An uninterruptible power supply includes plural power units, plural output capacitor units, a capacitor energy bleeder circuit, plural output units, a detecting unit and a controlling unit. The...
8891269 Full bridge converter  
Methods and circuits for balancing current in a transformer are disclosed herein. An embodiment of the method includes sensing the magnitude and direction of current flow through the primary side...
8891260 Power converter with voltage fluctuation suppression in switching elements  
A switching element connects/disconnects an input end to/from at least either of power supply lines. A switching element is provided between the power supply lines. One end on the low potential...
8890379 Rotating rectifier assembly and method  
A rectifier assembly and method are provided. The rectifier assembly includes a cover comprising a flange having an annular channel extending around an outer circumference of the flange, an...
8891266 Monolithic high voltage multiplier having high voltage semiconductor diodes and high-k capacitors  
High voltage diode-connected gallium nitride high electron mobility transistor structures or Schottky diodes are employed in a network including high-k dielectric capacitors in a solid state,...
8891253 Inverter, system and method comprising a DC-DC push-pull converter with a transformer  
A grid tied inverter connectable to an electricity grid, the grid tied inverter comprising a DC to DC current fed push-pull converter operable to generate a current waveform from a DC voltage...
8884551 Flyback switching regulator with primary side regulation  
The disclosed switching regulator, including a controller for a switching regulator, is adaptable to supplying, or controlling the supply of, regulated current to a load that is isolated from a...
8885361 Low power switch mode power supply  
A device and a method for operating a low power switch mode power supply, where DC input power is converted to AC power by an oscillator, which AC power is transformed to an AC voltage and AC...
8885377 Matrix converter  
A matrix converter according to an embodiment includes a control unit generates a highest phase-to-phase voltage among load side phase-to-phase voltages by controlling bidirectional switches that...
8885364 Flyback converter with primary side and secondary side feedback control and method for the same  
A flyback converter with primary side and secondary side feedback control includes a transformer, a secondary-side feedback unit and a feedback control unit. The secondary-side feedback unit is...
8885362 Fast startup switching converter and method thereof  
A fast startup switching converter having a first switch, a second switch, a third switch, a first capacitor, and a controller controlling the ON and OFF switching of the second and third...
8885372 Low harmonic content AC to DC power conversion  
An AC power conversion system includes a first AC/DC converter to be coupled to a multi-phase AC power supply, a second AC/DC converter coupled in parallel with the first AC/DC converter to the...
8885368 Power converting apparatus suppressing switching noise by controlling switching operation  
A power converter for effectively reducing switching noise is provided. The power converter comprises a capacitor 111; switching devices Q11a and Q11b connected to the capacitor 111 in parallel;...