H02M 1 - Details of apparatus for conversion

Patents for H02M 1 - Details of apparatus for conversion (33,954)
11/2004
11/17/2004	CN1547215A ROM circuit capable of debugging and updating and method of debugging and updating
11/17/2004	CN1547210A Method and apparatus for picking absolute time data of prerecording ditch groove
11/16/2004	US6819576 Power conversion apparatus and methods using balancer circuits
11/16/2004	US6819575 AC/DC switch mode power supply with power factor correction using direct energy transfer concept
11/16/2004	US6819534 Three-in-one protection circuit against out-rush current, short circuit and overload
11/16/2004	US6819154 Constant deadtime control in a feed forward enabled pulse width modulator controller
11/16/2004	US6819149 Gate drive device for reducing a surge voltage and switching loss
11/16/2004	US6819088 DC-DC converter with resonant gate drive
11/16/2004	US6819070 Method and apparatus for controlling reflected voltage using a motor controller
11/16/2004	US6819058 Discharge-lamp lighting circuit
11/16/2004	US6819057 Ballast self oscillating inverter with phase controlled voltage feedback
11/11/2004	WO2004098032A1 Power supply arrangements
11/11/2004	WO2004098017A1 Sequencing power supplies on daughter boards
11/11/2004	WO2004047249A3 Control ic for low power auxiliary supplies
11/11/2004	US20040223350 Low output noise switch mode power supply with shieldless transformers
11/11/2004	US20040223348 Power converter with ripple current cancellation using skewed switching techniques
11/11/2004	US20040223346 Circuit with DC link fuse
11/11/2004	US20040223344 Active clamp DC/DC converter with resonant transition system
11/11/2004	US20040223277 Fault protected self-oscillating driver
11/11/2004	US20040222774 Switched-mode power supply with a power factor correction circuit as well as a coil for correction circuit for this purpose
11/11/2004	US20040222701 Solid state relay for switching AC power to a reactive load and method of operating the same
11/10/2004	EP1475882A2 Circuit with dc link fuse
11/10/2004	EP1475862A1 Cradle for receiving an adapter
11/10/2004	CN2655513Y Controlled silicon rectifier
11/10/2004	CN2655512Y Power module for diesel engine common rail system controlling unit
11/10/2004	CN2655511Y Cooler for medium-and high-voltage high power frequency converter
11/10/2004	CN1545756A Switched-mode power supply with a power factor correction circuit as well as a coil for a correction circuit for this purpose
11/10/2004	CN1545198A Second generation high-voltage large-power frequency converter
11/10/2004	CN1545192A A single-stage power factor correcting circuit
11/10/2004	CN1175553C Power supply unit and air conditioner with the power supply unit
11/10/2004	CN1175543C Series compensator
11/09/2004	US6816978 System and method for adjusting an input voltage to a switching power supply while keeping the output voltage constant
11/09/2004	US6816394 Approximated sinusoidal waveform inverter
11/09/2004	US6816393 Switching power supply
11/09/2004	US6815937 Stepping inductor for fast transient response of switching converter
11/09/2004	US6815639 Method and apparatus for receiving a universal input voltage in a welding, plasma or heating power source
11/04/2004	WO2004095682A1 Power factor improving circuit
11/04/2004	WO2004095668A2 Discharge lamp lighting control device
11/04/2004	US20040221217 Fault detection system
11/04/2004	US20040218408 Power supply arrangements
11/04/2004	US20040218407 Switching power supply device
11/04/2004	US20040218319 Output rising slope control technique for power converter
11/04/2004	US20040217800 Triac control circuit
11/04/2004	US20040217784 Sine wave generation circuit
11/04/2004	US20040217748 Emi reduction of power converters by way of controlled randomized modulation of oscillating signals
11/04/2004	US20040217747 Cross regulations and methods for controlling boost converter
11/04/2004	US20040217746 Single stage PFC and power converter unit
11/04/2004	US20040217651 Sequencing power supplies on daughter boards
11/04/2004	DE10359225A1 Treiberschaltung für eine Halbleitervorrichtung A drive circuit for a semiconductor device
11/03/2004	EP1473821A2 Voltage source converter
11/03/2004	EP1473818A1 Driver for triac
11/03/2004	EP1472917A1 Compact fluid cooled power converter supporting multiple circuit boards
11/03/2004	EP1472781A2 Driver circuit for controlling a resonant converter
11/03/2004	EP1472780A2 Static electric power converter for modulating electric power exchanged between at least a voltage source and a current source
11/03/2004	EP1472776A1 Power factor correction circuit
11/03/2004	CN2653774Y High frequency switch power commutating module for communication equipment
11/03/2004	CN2653773Y Live hot insert and pull out structure of high frequency switch power module
11/03/2004	CN1543061A 功率管理方法和结构 Power management methods and structures
11/03/2004	CN1542811A Method and apparatus for generating oscillating clock signal
11/03/2004	CN1174544C Device and method for voltage compensation of three-phase inverter using four switches
11/02/2004	US6813171 Dissipative clamping of an electrical circuit with a clamp voltage varied in response to an input voltage
11/02/2004	US6813170 Multiple output power supply having soft start protection for load over-current or short circuit conditions
11/02/2004	US6813169 Inverter device capable of reducing through current
11/02/2004	US6813168 Method and apparatus for providing input EMI filtering in power supplies
11/02/2004	US6813123 Method for protecting a DC generator against overvoltage
11/02/2004	US6812772 Method for driving a power semiconductor
11/02/2004	US6812749 Control circuit for current converter valves
11/02/2004	US6812679 High efficiency AC-DC converter with power factor corrector
11/02/2004	US6812595 Protection circuit for reducing noise received at a circuit operating on a voltage reference supply
11/02/2004	US6812592 Voltage fluctuation compensating apparatus
10/2004
10/28/2004	US20040213026 Inverter configurations with shoot-through immunity
10/28/2004	US20040213025 Power supply system
10/28/2004	US20040213024 DC-DC converter applied to semiconductor device
10/28/2004	US20040213022 Power factor corrected UPS with improved connection of battery to neutral
10/28/2004	US20040212942 Method and apparatus for fault condition protection of a switched mode power supply
10/28/2004	US20040212524 PWM signal generator and PWM signal generating method
10/28/2004	US20040212352 Voltage equalizer for capacitors
10/28/2004	DE10356468A1 Umrichtvorrichtung und Umrichtsystem, das die Umrichtvorrichtung aufweist And Umrichtsystem converter apparatus, comprising the converter apparatus
10/28/2004	DE10303246B3 Switch control circuit for switched power factor converter has signal generation circuit responding to detected critical condition for providing control signal with pulse ratio dependent on regulation signal
10/27/2004	EP1471640A2 PWM signal generator and PWM signal generating method
10/27/2004	EP1471626A2 Fault protected self-oscillating full-bridge driver
10/27/2004	EP1471625A1 Power factor improving converter and control method thereof
10/27/2004	EP1471618A2 Voltage equalizer for capacitors
10/27/2004	EP1470634A2 Active emi filter with feed forward cancellation
10/27/2004	EP1340191B1 Voltage regulator circuit for chipcard ics
10/27/2004	CN1541439A dual input Ac and DC power supply having programmable DC output utilizing secondary buck converter
10/27/2004	CN1540848A Circuit providing output in three electrical levels for correcting two-phase power factor
10/27/2004	CN1540464A Electricity saving controlling circuit in electronic equipment and method for saving electricity
10/27/2004	CN1173454C Digital single-phase synchro thyristor phase-shifting device and its phase-shifting triggering method
10/26/2004	US6809943 Programmable power supply
10/26/2004	US6809941 Power system having a power factor correction circuit
10/26/2004	US6809912 Inductor operable under various supply voltages
10/26/2004	US6809678 Data processor controlled DC to DC converter system and method of operation
10/26/2004	US6809579 Blocking mechanism to reduce leakage current
10/26/2004	US6809561 Semiconductor power converting apparatus
10/26/2004	US6809503 Systems and methods for conserving energy in a switching circuit
10/21/2004	WO2004091085A1 Configuration and method for protecting converter means
10/21/2004	US20040210349 Method and apparatus for controlling a power supply
10/21/2004	US20040208667 Power supply control apparatus and electric device
10/21/2004	US20040208028 Power system with zero voltage switching

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