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| Application No. | Application Title | Issue Date |
| 20120014152 | METHOD FOR CONTROLLING SWITCHING POWER UNIT There is provided a method for controlling a switching power unit that converts AC input voltages of an AC source into a DC voltages while improving a power-factor of the AC input voltages, the switching power unit comprising an AC/DC converter circuit that is composed ... | 01/19/2012 |
| 20110305054 | BI-DIRECTIONAL SWITCH, ALTERNATING-CURRENT TWO-WIRE SWITCH, SWITCHING POWER SOURCE CIRCUIT, AND METHOD OF DRIVING BI-DIRECTIONAL SWITCH A semiconductor device 101 in a bi-directional switch includes: a first electrode 109A, a second electrode 109B, a first gate electrode 112A, and a second gate electrode 112B. In a transition period: when the potential of the first ele... | 12/15/2011 |
| 20110306295 | Voltage Regulation of Near Field Communication Communicators A NFC enabled device to couple inductively to the H field of an RF signal and a regulator to regulate a voltage derived from an RF signal inductively coupled to the inductive coupler. The regulator has at least one voltage controlled impedance having a switch on voltage... | 12/15/2011 |
| 20110286250 | POWER ADAPTATION DEVICE AND POWER SUPPLY MANAGEMENT METHOD A power adaptation device and a power supply management method thereof are provided. The power adaptation device includes a terminal seat, a detection structure, a detection unit, an electric power modulation unit, an electric power modulation unit, and a control unit. ... | 11/24/2011 |
| 20110267860 | POWER CONTROL SYSTEM A power control system includes a rectifier circuit, a buck circuit, a voltage divider circuit, a control circuit, and a switch circuit. A first terminal of the rectifier circuit is connected to an alternating current (AC) power supply. A second terminal of the rectifie... | 11/03/2011 |
| 20110260639 | POWER SUPPLY DEVICE HAVING CURRENT CONTROL CIRCUIT CAPABLE OF CORRECTING POWER FACTOR Disclosed herein is a power supply device capable of correcting power factor. The power supply device includes a rectification circuit, a first constant current circuit, a capacitor, and a second constant current circuit. The rectification circuit rectifies input Altern... | 10/27/2011 |
| 20110255317 | INTELLIGENT MULTI-STAGE VARIABLE-POWER SWITCH POWER SUPPLY DEVICE An intelligent multi-stage variable-power switch power supply device has an output of a bridge rectifier connected with the input of an EMI filter and the output of the EMI filter connected with a single chip through a standby topology and is connected with two or more ... | 10/20/2011 |
| 20110248690 | POWER SUPPLY CIRCUIT FOR COMBUSTION APPLIANCE An electrical circuit includes a rectifier having an input for receiving an alternating current (AC) voltage and an output for supplying a first direct current (DC) voltage. The circuit also includes a first regulator having an input electrically connected to the rectif... | 10/13/2011 |
| 20110235379 | CURRENT SHARING POWER SYSTEM A power system controller includes multiple channels and each channel has a current sharing controller that is coupled to a shared current signal bus and a shared voltage signal bus.... | 09/29/2011 |
| 20110228576 | Mains Plug Component The invention relates to a mains plug component with a housing and a mains switch component arranged in the housing comprising a first stage for rectifying a mains AC voltage and a second stage for generating a DC voltage from the rectified mains AC voltage. The first s... | 09/22/2011 |
| 20110211378 | Utility for full wave rectified current-fed class of DC galvanically isolated DC-to-DC power conversion topologies allows reduction of working voltage magnitudes and improvement to efficiency for secondary circuits New utility of an existing class of DC galvanically isolated current sourcing circuit topologies for power conversion simultaneously allows improvement in its secondary circuit(s) to power conversion efficiency and reduction in working voltage magnitudes, or simply redu... | 09/01/2011 |
| 20110157939 | POWER ADAPTER APPARATUS AND POWER MANAGEMENT METHOD A power adapter apparatus and a power management method thereof are disclosed in the invention. The power adapter includes an output interface and a power modulation unit. The power adapter can be electrically connected with an electronic device through the output inter... | 06/30/2011 |
| 20110156635 | REFLECTED ENERGY MANAGEMENT APPARATUS AND METHOD FOR RESONANCE POWER TRANSMISSION Provided is a reflected energy management apparatus for resonance power transmission. The reflected energy management apparatus for resonance power transmission may include a source resonator configured to transmit a power to a target resonator, and a reflected power ma... | 06/30/2011 |
| 20110122667 | RECTIFIER CIRCUIT A high power factor rectifier circuit, provided with switching sections connected to an AC power supply for converting an AC voltage to a DC voltage, is formed with a bypass circuit provided. The bypass circuit, when the voltage of the AC power supply becomes higher tha... | 05/26/2011 |
| 20110103112 | CURRENT SENSING SIGNAL COMPARING DEVICE, AND CURRENT SENSING SIGNAL COMPARING METHOD Provided is a current sensing signal comparing device and current sensing signal comparing method. The invention includes a current sensing circuit for detecting a current signal of a switching circuit and thereby generating a current sensing signal, a control unit for ... | 05/05/2011 |
| 20110013434 | POWER CONVERTER WITH EXTREMELY LOW STANDBY POWER CONSUMPTION The present invention relates to a power converter with extremely low standby power consumption. The power converter comprises a rectification module having at least one unilateral switch which has a control terminal, an anode terminal and a cathode terminal. The contro... | 01/20/2011 |
| 20100283403 | Capacitance Reducing Method for a Pulsed Activated Device and Associated Devices The present invention relates to a capacitance reducing method for a pulsed activated device and associated devices, especially to a pulsed activated device having a capacitor, which improves power factor as well as eliminating the need for large capacitance. The method... | 11/11/2010 |
| 20100226155 | POWER SUPPLY WITH INTEGRATED CONCENTRIC HIGH VOLTAGE MULTIPLIER A high voltage power supply for use in small diameter spaces such as in oil well logging devices includes an AC voltage source and a voltage multiplier circuit. An inside set of parallel capacitors is constructed with an inside common capacitor electrode, an inside diel... | 09/09/2010 |
| 20100194353 | RV CONVERTER WITH CURRENT MODE AND VOLTAGE MODE SWITCHING A switched mode converter is disclosed that includes both voltage mode and current mode control. The switched mode converter also includes mode logic for switching between a voltage mode and a current mode. The converter includes current sensing circuitry for sensing th... | 08/05/2010 |
| 20100067273 | SWITCH MODE POWER SUPPLY FOR IN-LINE VOLTAGE APPLICATIONS A switch mode power supply (15) employs a rectifier (20), a converter (50) and converter driver (60). The rectifier (20) generates a rectified supply voltage (VRS) based on an in-line voltage (VLN), and the conver... | 03/18/2010 |
| 20100054004 | METHOD AND APPARATUS FOR PHASE CURRENT BALANCE IN ACTIVE CONVERTER WITH UNBALANCED AC LINE VOLTAGE SOURCE Active power converters and methods are presented for converting input electrical power to output electrical power with converter switching control in which the individual phase voltage command values are compensated according to phase line voltage imbalances to compens... | 03/04/2010 |
| 20100020580 | HIGH-VOLTAGE POWER SUPPLY A high-voltage power supply includes a first circuit which is realized on a first board, receives a first voltage, and generates a second voltage according to the first voltage, and a second circuit which is realized on a second board stacked on the first board and ampl... | 01/28/2010 |
| 20100014327 | CURRENT CONTROL TYPE CONVERTER A current control type converter has a converter section and a control section that includes three controllers. A first controller calculates and outputs an active current instruction value by proportional-plus-integral control to perform proportional integration of a d... | 01/21/2010 |
| 20100008116 | MODULAR CONTROL AND DRIVING DEVICE AND HIGH VOLTAGE POWER SUPPLY HAVING THE SAME FOR IMAGE FORMING APPARATUS A control and driving device of a high voltage power supply (HVPS) of an electronic apparatus, such as an image forming apparatus, including an input to receive a signal supplied to the HVPS, a control and driving circuit to control and drive the signal received at the ... | 01/14/2010 |
| 20090326727 | Adaptive power system Aspects of the disclosure provides an adaptive power system to relieve manual efforts for performing appropriate power procedures. The adaptive power system can include a power source unit including a plurality of power sources and a power bus. The power source unit can... | 12/31/2009 |
| 20090309446 | ELECTRIC ARC WELDING SYSTEM POWERED BY PERMANENT MAGNET ELECTRIC GENERATOR An electric arc welding system is powered by a power generator with a rotor assembly circumferentially surrounding a stator assembly. The arc welding system generates a three phase AC current, which is converted into a DC current by a converter. An electrode coupled to ... | 12/17/2009 |
| 20090303760 | Resonant transformer systems and methods of use Resonant transformer systems and methods of use are described. One aspect may include a primary winding, a secondary winding, and at least one output winding. In further aspects, a transformer may be coupled to the secondary winding. In one aspect, the output winding is... | 12/10/2009 |
| 20090285000 | ADAPTER WITH TRANSFORMATIVE COMPONENT An adapter for removably coupling a consumer electronic device to a host, with the adapter supplying a first service between the host and the consumer electronic device when the adapter is coupled to the host and the consumer electronic device is coupled to the adapter,... | 11/19/2009 |
| 20090251935 | Multi-Pulse Rectifier for AC Drive Systems having Separate DC Bus Per Output Phase and Multiple Isolation Transformers An 18n-pulse rectifier for AC drive systems having a separate DC bus for each output phase is provided, where n=any positive integer. The rectifier uses three separate phase rectifiers, one for each output phase of a transformer, each comprised of 2n six-pulse diode bri... | 10/08/2009 |
| 20090225575 | UNIVERSAL AC ADAPTOR A method and apparatus for adaptively configuring an array of voltage transformation modules is disclosed. The aggregate voltage transformation ratio of the adaptive array is adjusted to digitally regulate the output voltage for a wide range of input voltages. An integr... | 09/10/2009 |
| 20090213623 | METHOD AND APPARATUS OF PROVIDING SYNCHRONOUS REGULATION CIRCUIT FOR OFFLINE POWER CONVERTER A synchronous regulation circuit is provided. A secondary-side switching circuit is coupled to the output of the power converter to generate a synchronous signal and a pulse signal in response to an oscillation signal and a feedback signal. An isolation device transfers... | 08/27/2009 |
| 20090190384 | POWERING A POWER SUPPLY INTEGRATED CIRCUIT WITH SENSE CURRENT A power control system and method senses input and/or output voltages of a power supply using sense currents in order for an integrated circuit (IC) switch state controller to generate a control signal to control a switch of the power control system. By sensing sense cu... | 07/30/2009 |
| 20090180305 | Multi-parallel magnetic-field cancellation type transformer A multi-parallel magnetic-filed cancellation type transformer includes a plurality of coils which generate magnetic flux during energization and a core having a plurality of magnetic leg portions on which the coils are wound, and bases for fixing the magnetic leg portio... | 07/16/2009 |
| 20090174382 | Method and Apparatus to Remove Energy from DC Loads A DC output power converter or DC switch device that includes methods and apparatus to reverse the current in the connected load, thereby draining the load's energy until the voltage in the load is brought to a (near) zero potential and held there.... | 07/09/2009 |
| 20090161396 | Synchronous rectifier control device and forward synchronous rectifier circuit Disclosed are a synchronous rectifier control device and a forward synchronous rectifier circuit. The synchronous rectifier control device is coupled with the secondary side of the forward synchronous rectifier circuit, comprising a condition detecting unit, a reference... | 06/25/2009 |
| 20090161397 | COMPUTER POWER SUPPLY A power supply for a computer includes a transformer, a rectifier, a pulse width modulation (PWM) controller, a relay, a power switch, and a battery. The PWM controller includes a voltage terminal and a pulse terminal. The relay includes a switch and an inductance coil.... | 06/25/2009 |
| 20090122582 | DIGITALLY CONTROLLED THREE-PHASE PFC RECTIFIER A robust decoder generates an output state from input signals related to the line-voltage signals of a three-phase power system, using a segment identification method based on zero-crossings derived from line-voltage difference signals. The robust decoder includes a bas... | 05/14/2009 |
| 20090116264 | Power supply circuit with voltage converting circuits and control method therefor An exemplary power supply circuit (20) includes an input terminal (201), an output terminal (202), voltage converting circuits (23, 24), and a pulse width modulation circuit (22). The input terminal is capable of receiving a direct cur... | 05/07/2009 |
| 20090116269 | Power supply with reduced power consumption when a load is disconnected from the power supply Detection and control circuitry are added to a conventional power supply to detect when a load, such as a portable electronic device, has been disconnected from the power supply and, when disconnected, interrupt a current path to the primary windings of a transformer wi... | 05/07/2009 |
| 20090109716 | Method and Apparatus for Supplying and Switching Power An exemplary embodiment of an apparatus for supplying and switching power may include a power source, a transformer, a full bridge rectifier and a control switch. The transformer has a first winding and a second winding, the first winding being connected to the power so... | 04/30/2009 |
