Patents
Sitemap › H02 - Generation, conversion, or distribution of electric power › H02M - Apparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems; Conversion of dc or ac input power into surge output power; Control or regulation thereof › H02M 3 - Conversion of dc power input into dc power output
Patents for H02M 3 - Conversion of dc power input into dc power output (54,461)
10/1998
10/07/1998EP0869605A2 Method of reducing retroactive effects on the profile of the current drawn from a network by inductive loads and motor drive device using this method
10/07/1998EP0869603A2 Regulating circuit
10/07/1998EP0577611B1 Inductive power distribution system
10/07/1998CN1195222A Regulating circuit
10/06/1998US5818707 Simplified active power factor correction controller IC
10/06/1998US5818704 Synchronizing/driving circuit for a forward synchronous rectifier
10/06/1998US5818703 DC/DC converter for a variable voltage load
10/06/1998US5818702 Computer system
10/06/1998US5818670 Switching mode power supply with protection function against overcurrent and overvoltage
10/06/1998US5818290 Bias voltage controlling apparatus with complete feedback control
10/06/1998US5818289 For transforming an input voltage to an output voltage
10/06/1998US5818288 Charge pump circuit having non-uniform stage capacitance for providing increased rise time and reduced area
10/06/1998US5818214 Buck regulator circuit
10/06/1998US5818209 Bootstrap line power supply regulator with no filter capacitor
10/06/1998US5818207 Three-pin buck converter and four-pin power amplifier having closed loop output voltage control
10/06/1998US5818205 Voltage transformer
10/01/1998WO1998043344A2 Switched-mode power supply
10/01/1998WO1998043336A2 A plant for transmitting electric power including vsc (voltage source converter) and dc/dc converter
10/01/1998WO1998043100A2 Current and voltage sensing
10/01/1998DE19735749C1 Power amplifier esp. gradient amplifier of nuclear resonance tomograph
10/01/1998DE19711771A1 Switching power supply especially for video recorder
10/01/1998DE19711018A1 DC voltage transformer e.g. for power conversion system
10/01/1998CA2283661A1 A plant for transmitting electric power, including vsc-converter and dc/dc-converter
09/1998
09/30/1998EP0868007A2 A power regulator circuit
09/30/1998EP0867899A2 Noncontacting power transfer apparatus
09/30/1998EP0867730A1 Method and device for compensating variations in a supply voltage
09/30/1998EP0867063A2 Battery coupler
09/30/1998EP0715779B1 Circuit arrangement
09/30/1998CN1194444A Non-contact type power transfer device
09/29/1998US5815732 System for service activation programming of wireless network access devices using an external module
09/29/1998US5815569 Method for controlling power losses associated with line interface circuits in telecommunications networks
09/29/1998US5815386 Snubber for zero current switched networks
09/29/1998US5815384 Transformer which uses bi-directional synchronous rectification to transform the voltage of an input signal into an output signal having a different voltage and method for effectuating same
09/29/1998US5815382 Tracking circuit for power supply output control
09/29/1998US5815381 Single-barrier closed loop DC-to-DC converter and method
09/29/1998US5815380 Dc-to-ac switching converter
09/29/1998US5815026 Voltage multiplier
09/29/1998US5815015 Synchronization and shutdown circuits and methods in high-speed switching regulator drive circuits
09/29/1998US5814979 Low drop out switching regulator
09/29/1998US5814978 Power supply circuit for a printer
09/29/1998CA2124370C Self oscillating dc to dc converter
09/24/1998WO1998042065A1 High power dc/dc converter
09/24/1998DE19711817A1 Mains stage
09/24/1998DE19711364A1 Voltage stabiliser for voltage supply device of motor vehicle
09/24/1998DE19710161A1 Circuit for continuous variation of AC or DC current in load operated from AC or DC supply or combination supply e.g for heating systems
09/24/1998CA2218942A1 A plant for transmitting electric power
09/23/1998EP0866545A1 Voltage boosting circuit of the charge pump tyre with a variable number of stages
09/23/1998EP0866538A2 Uninterruptible power supply
09/23/1998CN1194065A Opposed current power converter
09/22/1998US5812387 Multi-deck power converter module
09/22/1998US5812386 Power supply control method and corresponding circuit
09/22/1998US5812385 Quickly restartable power supply apparatus
09/22/1998US5812384 Matrix filters for low-noise power distribution systems
09/22/1998US5812383 Low power stand-by for switched-mode power supply circuit with burst mode operation
09/22/1998US5812382 Electrical device with a transformer whose primary is supplied under the control of a chopper
09/22/1998US5812018 Voltage booster circuit
09/22/1998US5812017 Charge pump voltage multiplier circuit
09/22/1998US5811999 Power converter having switching frequency phase locked to system clock
09/22/1998US5811990 Voltage pump and a level translator circuit
09/22/1998US5811948 Control apparatus for electric motor
09/22/1998US5810325 For feeding a compressible fluid from a pump to a reservoir
09/17/1998WO1998040963A1 A power supply for an electrical appliance control
09/17/1998WO1998040961A2 A convertor, a power supply, and a battery charger
09/17/1998WO1998040802A1 Multiplexing power converter
09/17/1998DE19709802A1 Arrangement for generating auxiliary voltage in switch controller
09/17/1998DE19707277A1 Power supply circuit arrangement e.g. for motor-vehicle multiple on-board mains loads
09/16/1998EP0865150A2 Circuit for continuous direct or indirect variation of DC and/or AC current flowing in a load supplied by DC or AC source voltage or any combination of these voltages
09/16/1998EP0865149A2 High current CMOS charge pump, particularly for flash EEPROM memories
09/16/1998EP0801841A4 Full wave buck boost power converter with buck power converter properties
09/16/1998CN1039863C DC/DC voltage converter circuit and inductive-load driving apparatus using same
09/15/1998US5809315 Electronic apparatus
09/15/1998US5809131 Ringer circuit for generating sine wave
09/15/1998US5808884 Circuit and method for conserving energy in a boost regulator circuit
09/15/1998US5808883 DC-to-DC converter having charge pump and associated methods
09/15/1998US5808882 Three-phase bridge rectifier
09/15/1998US5808879 Half-bridge zero-voltage-switched PWM flyback DC/DC converter
09/15/1998US5808506 MOS charge pump generation and regulation method and apparatus
09/15/1998US5808505 Substrate biasing circuit having controllable ring oscillator
09/15/1998US5808455 DC-to-DC converter having hysteretic current limiting
09/11/1998WO1998039837A1 Switched-mode power supply having a delay-insensitive timing in the control loop
09/11/1998WO1998039787A1 Current-controlled output stage for electromagnetic actuators
09/11/1998WO1998039694A1 Switch-mode regulators and methods providing transient response speed-up
09/11/1998WO1998033267A3 High efficiency power converter
09/10/1998DE19709448A1 Switched-mode mains power supply for current supply to television or video equipment
09/08/1998US5805439 DC-to-DC auto switch circuit
09/08/1998US5805436 Simplified power supply circuit without transformer core and windings
09/08/1998US5805435 Voltage booster for memory devices
09/08/1998US5805434 Control of stored magnetic energy in power converter transformers
09/08/1998US5805433 Small offline power supply
09/08/1998US5805432 Resonant DC-DC converter capable of controlling by pulse width modulation
09/08/1998US5804957 Constant current supply system for a variable resistance load
09/08/1998US5804952 Encapsulated package for a power magnetic device and method of manufacture therefor
09/08/1998US5804943 For a capacitive load
09/03/1998WO1998038836A1 High frequency heating equipment
09/03/1998WO1998038727A2 Dc-dc converter with multiple outputs turned on and off in certain sequence
09/03/1998WO1998038726A1 Pulse width modulator
09/03/1998WO1998038719A1 Low cost power supply device to a plurality of electronic modules installed in a compartment
09/03/1998DE19709766C1 Controlling several coupled end stages esp. with gradient amplifier of nuclear resonance tomography e.g. Project 039
09/02/1998EP0862260A2 Charge pump circuit
09/02/1998EP0861517A1 A fast 3-state booster circuit
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