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 1 - Details of apparatus for conversion
Patents for H02M 1 - Details of apparatus for conversion (33,954)
09/1999
09/23/1999DE19811932A1 Switched-mode power supply e.g. for video display unit
09/22/1999CN1229569A Pump support choke
09/21/1999US5956246 Low-noise switching power supply
09/21/1999US5956243 Three-level boost rectifier with voltage doubling switch
09/21/1999US5956240 Quick-reset circuit for auxiliary power supply
09/21/1999US5955797 Portable computer being powered by either a battery pack or an AC adapter
09/16/1999DE19903383A1 Universelle Schaltstromversorgung Universal switching power supply
09/16/1999DE19810127A1 Circuit arrangement for charging up DC intermediate circuits
09/15/1999EP0941636A1 Pump support choke
09/15/1999EP0941570A1 Method and apparatus for automatic average current mode controlled power factor correction without input voltage sensing
09/14/1999US5953224 Control circuit for cryogenically-cooled power electronics employed in power conversion systems
09/14/1999US5953221 For a circuit breaker
09/14/1999CA2165623C Power factor correction circuitry
09/10/1999WO1999045629A1 Surge suppressor
09/09/1999DE19808890A1 Switched network with active surface wave limitation for supplying stabilized voltage for DC load e.g. fluorescent lamp
09/08/1999EP0940001A1 Power conversion apparatus and air conditioner using the same
09/08/1999CN1227988A Switched-mode power supply with active harmonics limiting
09/07/1999US5949671 Power supply with re-configurable outputs for different output voltages and method of operation thereof
09/07/1999US5949665 Soft start pulse width modulation integrated circuit
09/07/1999US5949664 Current stiff converters with resonant snubbers
09/07/1999US5949660 Switched-mode power supply having a standby mode
09/07/1999US5949273 Short circuit protection for parallel connected devices
09/07/1999US5949229 Power factor correction circuit having an error signal multiplied by a current signal
09/07/1999US5949158 Method and arrangement for controlling the output of electrical consumers connected to an AC line voltage
09/07/1999CA2170539C Accident detection circuit of a voltage-type self-excited power converter
09/03/1999CA2262035A1 Switched-mode power supply with active harmonics limiting
09/02/1999WO1999044110A1 Electrical appliance
09/02/1999DE19901930A1 Combinational circuit component
09/02/1999DE19808606A1 Elektrisches Gerät Electrical equipment
09/01/1999EP0938813A1 Quick-reset circuit for auxiliary power supply
09/01/1999EP0938806A2 Power supply system for a load, and use
09/01/1999EP0938772A1 Fault control circuit for switched power supply
09/01/1999EP0938770A1 Fault control circuit for switched power supply
08/1999
08/31/1999US5946208 Power converter
08/31/1999US5946203 Switching network and method of reducing input current total harmonic distortion associated with a boost converter and a boost converter employing the switching network or method
08/31/1999US5946202 Boost mode power conversion
08/31/1999US5946201 Boost-up power factor correcting circuit using a power feedback
08/31/1999US5946178 Protective circuit for series-connected power semiconductors
08/25/1999EP0705495B1 Universal power converter with single, shared power transformation circuit
08/25/1999CN2335306Y Noise elminating device
08/24/1999US5943225 Circuit for removing a peak reverse voltage generated from a power supply source
08/24/1999US5943224 Post regulator with energy recovery snubber and power supply employing the same
08/24/1999US5943223 Power conversion circuit
08/24/1999US5942882 Power control device and image forming apparatus utilizing the same
08/24/1999US5942881 Constant-voltage power supply circuit with a current limiting circuit
08/24/1999US5942810 Regulation device and method for compensating variations in a supply voltage in a microwave transmitter
08/24/1999US5942134 Frequency-changing welding arrangement
08/19/1999WO1999041826A1 Pwm controller for use with open loop dc to ac converter
08/19/1999WO1999016163A3 Switched-mode power supply
08/19/1999CA2320161A1 Pwm controller for use with open loop dc to ac converter
08/18/1999EP0936726A2 Schaltnetzteil mit Schwellwertschaltung
08/18/1999CN1226103A Switched-mode power supply with threshold value circuit
08/17/1999US5940282 Dual range power supply and adapter for use with same
08/17/1999US5940281 Switched-mode power supply with magnetic flux density control
08/17/1999US5940280 Converter circuit of battery charger for electric vehicle
08/17/1999US5940069 Driving signal generator for a liquid crystal display
08/17/1999US5939921 Drive circuit for a field-effect-controlled semiconductor component which opens a switch when a predetermined current is exceeded
08/17/1999CA2202545C Switching power supply system and process
08/12/1999WO1999030539A3 Method and apparatus for power factor correction
08/11/1999EP0770281B1 Power supply apparatus comprising an improved limiter circuit
08/11/1999EP0759234B1 Switch with controlled rise and fall characteristics
08/11/1999CN2333115Y Purifying power source device with small size and light weight
08/10/1999US5936855 To convert ac power from multi-phase ac to dc power on a voltage rail
08/10/1999US5936854 Direct-current power supply system and air conditioner
08/10/1999US5936853 Power converter having a low-loss clamp and method of operation thereof
08/10/1999US5936387 Gate drive circuit for power converters that reduces surge voltages
08/04/1999EP0933980A2 Arc limiting device
08/04/1999EP0933862A1 Power circuit
08/04/1999CN1044543C High voltage autoexcitation converting device used in connecting system
08/04/1999CN1044542C An AC/DC converter
08/03/1999US5933336 Three-phase boost converter having multiple L-C branches and method of operation thereof
07/1999
07/30/1999CA2228357A1 Universal switching power supply
07/28/1999EP0932249A1 Converter
07/28/1999CN1224543A Power converter
07/27/1999US5930132 Semiconductor device, and method and apparatus for reducing a dead time in PWM inverter
07/27/1999US5930127 To provide an ac voltage to a load circuit
07/27/1999US5930122 Inverter and DC power supply apparatus with inverter used therein
07/27/1999US5929692 Ripple cancellation circuit with fast load response for switch mode voltage regulators with synchronous rectification
07/27/1999US5929665 Power converter with voltage drive switching device monitored by device parameters and electric parameters
07/27/1999US5929606 Ripple-suppressed converting battery module
07/27/1999US5929592 Apparatus for controlling driving signal for motor
07/27/1999US5929591 Air conditioner
07/27/1999CA2168591C System for detecting incorrect phase rotation
07/27/1999CA2029209C Zero-current switching forward power conversion with controllable energy transfer
07/22/1999WO1999037125A1 A power factor correction circuit
07/22/1999DE19832557A1 Output circuit for pulse inverter driving electric motor
07/22/1999DE19801848A1 Voltage converter with self-oscillating bridge circuit
07/21/1999EP0930695A2 Filter arrangement for converter with regulated voltage intermediate circuit and sinusoidal phase currents
07/21/1999EP0929930A1 Switched-mode power supply
07/21/1999EP0929926A1 Method and apparatus for supplying contactless power
07/21/1999EP0697158B1 A low noise multi-output and multi-resonant forward converter for television power supplies
07/20/1999US5926383 Integrated protection circuit for a power converter and method of operation thereof
07/20/1999US5926382 Power electronic circuit arrangement
07/20/1999US5926012 Gate drive circuit in power converter with condition detection device
07/14/1999EP0929142A2 Method for forming a capacitive element connected in a circuit with a power device, and circuit formed in this way
07/13/1999US5923551 Avionics power conversion circuit
07/13/1999US5923547 Snubber circuit for a power converter and method of operation thereof
07/13/1999US5923152 Power factor correction circuit with soft switched boost converter
07/08/1999WO1999034500A1 Converter connection assembly with a direct voltage intermediate circuit
07/07/1999EP0928061A1 Neutral-point inverter
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