Patents for H02M 3 - Conversion of dc power input into dc power output (54,461)
08/1992
08/12/1992EP0498497A2 Circuit arrangement
08/11/1992US5138543 Output voltage estimating circuit for a power converter having galvanic isolation between input and output circuits
08/11/1992US5138250 Method of controlling a chopper regulator and a circuit implementing said method
08/11/1992US5138249 Circuit for regulating a parameter by means of a bidirectional current structure
08/11/1992US5138190 Charge pump circuit
08/06/1992WO1992013385A1 High frequency, high density power conversion system
08/06/1992WO1992013384A1 Single-ended through-flow frequency converter with a transformer and two electronic circuits protected by protective measures
08/05/1992EP0497630A2 Regulated power supply
08/05/1992CA2059241A1 Bi-mode high voltage resonant power supply
08/04/1992CA1306007C Power regulator for a contactless credit card system
07/1992
07/29/1992EP0496718A2 Method for minimizing the switching loss in a power switch
07/29/1992EP0496679A2 Device for generating a D.C. voltage with a low ripple
07/29/1992EP0496529A2 Boost switching preregulator and controller therefor
07/29/1992EP0496246A1 Circuit for operating a discharge lamp
07/28/1992US5134556 Voltage converter with self-integration and voltage summation
07/28/1992US5134357 DC voltage converting device
07/28/1992US5134355 Power factor correction control for switch-mode power converters
07/28/1992US5134320 High efficiency FET driver with energy recovery
07/23/1992WO1992012475A1 Method and apparatus for controlling the input impedance of a power converter
07/23/1992DE4101504A1 Line deflection and HV generating circuit for HDTV receiver - has extra switching mains adaptor at output of primary mains adaptor
07/22/1992EP0495470A2 Device for noise suppressing of a switched power unit
07/21/1992US5132895 Variable charge pumping DC-to-DC converter
07/21/1992US5132893 Voltage supply circuit
07/21/1992US5132891 Power supply apparatus
07/21/1992US5132890 Power supply based on normally parasitic resistance of solid state switch
07/21/1992US5132889 Resonant-transition DC-to-DC converter
07/21/1992US5132888 Interleaved bridge converter
07/21/1992US5132606 Method and apparatus for controlling the input impedance of a power converter
07/15/1992EP0494713A2 Circuit arrangement for generating a higher DC voltage
07/14/1992US5130960 Power supplies for electronic device
07/14/1992US5130570 Constant-current integrated power supply
07/14/1992US5130561 Switching mode power supplies with controlled synchronization
07/14/1992CA1305213C Bi-directional d.c.ia.c converter compatible with an inverter bridge
07/09/1992WO1992011678A1 Circuit for generating auxiliary voltage
07/08/1992EP0493624A1 Switch-mode power supply for operating a magnetron
07/08/1992EP0493394A1 Circuit for operating high-load ohmic power users.
07/07/1992US5128854 Circuit arrangement for supplying a load
07/07/1992US5128852 Current-fed push-pull converter
07/07/1992US5128603 Forward converter using an inverter including a transistor
07/07/1992US5128593 Power supply for gas-filled lamps
07/01/1992EP0492820A2 Improved DC to DC converter
07/01/1992EP0492538A2 Interface circuit including DC/DC converter
07/01/1992EP0491731A1 Combinatorial circuit component.
07/01/1992CN2109018U Transformer of high efficient energy saving motor vehicle
06/1992
06/30/1992US5126931 Fixed frequency single ended forward converter switching at zero voltage
06/30/1992US5126930 Switched mode power supply controller having a stand-by state using a frequency divided burst mode
06/30/1992US5126652 Universal input voltage power supply
06/30/1992US5126651 Gate drive circuit for a synchronous rectifier
06/30/1992US5126590 High efficiency charge pump
06/30/1992CA1304446C Parallel power systems
06/27/1992WO1992012568A1 Dc-to-dc converter using coupled inductor current sensing and predetermined on time
06/27/1992CA2047775A1 Dc to dc converter
06/25/1992DE4041699A1 Circuit in current supply unit with saturation choke - through which connected current flows and to which is connected rectifier in series and which has controlled current path for controlling its demagnetisation
06/25/1992DE4040841A1 Circuit producing DC feed voltage for at least one load - delivers DC voltage essentially between two terminals with at least one user fed across converter system contg. inductance and switch in series
06/23/1992US5124906 Multiple transformer switch mode power supply
06/23/1992US5124905 Power supply with feedback circuit for limiting output voltage
06/23/1992US5124630 Switching power supply apparatus
06/23/1992US5124629 Post regulation circuit with energy storage
06/23/1992US5124617 Charge regulation circuit
06/23/1992US5124574 Semiconductor device for generating a voltage higher than power source potential or lower than grounding potential
06/17/1992EP0490639A2 Switching power source
06/16/1992US5122946 Quasi push-pull single switch current-fed fly-back converter
06/16/1992US5122945 Voltage controlled preload
06/16/1992US5122728 Coupled inductor type dc to dc converter with single magnetic component
06/16/1992US5122724 Inrush current limiter
06/16/1992CA1303761C Compensated exponential voltage multiplier for electroluminescent displays
06/16/1992CA1303671C Integrated magnetic resonant power converter
06/11/1992WO1992010906A1 High-voltage transformer
06/11/1992WO1992010025A1 Current controller for inductive load
06/11/1992DE4039373A1 Hochspannungstransformator High voltage transformer
06/11/1992CA2098100A1 High-voltage transformer
06/10/1992EP0489412A2 A constant current integrated power supply
06/10/1992CN1017017B Chopper speed governing method by microcomputer control
06/09/1992US5121314 Bi-mode high voltage resonant power supply and method
06/09/1992US5121033 Strobe circuit utilizing optocoupler in DC-to-DC converter
06/09/1992CA1303154C Low voltage driven oscillator circuit
06/03/1992EP0488013A1 Defibrillator
06/03/1992EP0348447B1 Process and device for preventing interference of transients in a buck cell
06/03/1992CN1016921B Switched-mode power supply circuit
06/03/1992CN1016920B Power supply arrangement
06/03/1992CN1016919B Switch capacitor isolated dc transducer
06/02/1992US5119285 Solid-state power transformer circuit
06/02/1992US5119284 Efficient power supply post regulation
06/02/1992US5119013 Switching regulator with multiple isolated outputs
06/02/1992US5118999 Focus coil current generator for a cathode ray tube
06/02/1992US5118993 Variable voltage regulator
06/02/1992CA1302513C Magnetron feeding apparatus and method of controlling the same
06/02/1992CA1302496C High efficiency converter
06/02/1992CA1302493C Capacitive coupled power supplies
05/1992
05/27/1992EP0487204A2 Variable voltage regulator
05/27/1992EP0486875A2 Power supply controlled to supply load current formed as sine wave
05/27/1992CN1061497A Cutoff controlled dc converter
05/26/1992US5117347 Full duty cycle forward converter
05/26/1992US5117177 Reference generator for an integrated circuit
05/26/1992CA1301837C High frequency resonant power converter
05/21/1992DE4036351A1 Switching regulator for producing DC voltage from low input voltage - has switching transistor controlled from first pole of DC voltage across resistance connected in prim. circuit of transformer
05/20/1992EP0485866A1 Switching circuit for operating a discharge lamp
05/20/1992EP0485865A1 Circuit for operating a discharge lamp
05/19/1992US5115185 Single conversion power factor correction using septic converter
05/19/1992US5115143 Efficient P-channel FET drive circuit