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)
09/1998
09/02/1998EP0761036B1 Self-oscillating dc to dc converter
09/01/1998US5801997 Dynamic random access memory system to read and store digital data
09/01/1998US5801934 Charge pump with reduced power consumption
09/01/1998US5801933 High efficiency voltage converter and regulator circuit
09/01/1998US5801932 Interleaved current-fed forward converter
09/01/1998US5801931 DC power source apparatus that suppresses harmonics
09/01/1998US5801577 High voltage generator
09/01/1998US5801519 Self-excited power minimizer/maximizer for switching power converters and switching motor drive applications
09/01/1998US5801518 Pulse frequency modulated DC-DC converter
08/1998
08/27/1998WO1998037619A1 Multi-deck power converter module
08/27/1998DE19707707A1 Pulsweitenmodulator Pulse width modulator
08/26/1998EP0860048A2 An ac-dc power supply
08/26/1998EP0860047A1 Voltage converter
08/26/1998CN1191410A Power supply circuit for control circuit
08/26/1998CN1039578C Power supply unit for electric motor vehicle
08/25/1998US5798915 Progressive start-up charge pump and method therefor
08/25/1998US5798913 Power-supply and communication
08/25/1998US5798630 Switching power circuit to supply electric-vehicle battery charger with high-frequency power
08/25/1998US5798619 Power supply for energizing a remote resistive load
08/19/1998EP0859454A1 Switch mode booster of a photovoltaic source voltage, especially for a timepiece
08/19/1998EP0859453A2 Power supply circuit for a control circuit
08/18/1998US5796982 Switching regulator, an information processing apparatus and a control method for the same
08/18/1998US5796627 Actuating and dual scanning integrated circuit
08/18/1998US5796600 Charge pump circuit for improving a charging speed
08/18/1998US5796598 Voltage-converting circuit for the power supply of an electrical consumer of high output, particularly a bobbin winding machine
08/18/1998US5796596 Fault control circuit for switched power supply
08/18/1998US5796595 Interleaved continuous flyback power converter system
08/18/1998US5796293 Voltage boosting circuits having backup voltage boosting capability
08/18/1998US5796285 Voltage-limiting circuit with hysteresis comparator
08/18/1998US5796241 Self-excited oscillation type power supply device
08/18/1998US5796218 High voltage stabilizing circuit
08/13/1998WO1998035433A1 Current converter and system
08/13/1998WO1998035432A1 Step-up switching power supply
08/13/1998WO1998035431A1 Circuit and method for generating a voltage
08/13/1998WO1998035430A1 Charge pump for dividing input voltage and multiplying output current
08/13/1998DE19704604A1 Switched mode power supply (SMPS) e.g. for television equipment, decoders, LCD projectors etc
08/12/1998EP0858154A1 Non-linear voltage regulator, particularly for an automotive alternator
08/12/1998EP0858150A2 Low cost high efficiency power converter
08/12/1998EP0857605A2 GTO-brake actuator
08/12/1998CN1190521A Power supply for feeding and igniting discharge lamp
08/12/1998CN1190501A Switched-mode power supply with magnetic flux density control
08/11/1998US5793679 Voltage generator for electrically programmable non-volatile memory cells
08/11/1998US5793628 Multi-phase pulse-width-modulation power converter
08/11/1998US5793625 Boost converter regulated alternator
08/11/1998US5793621 Switching power supply for computer-driven displays or the like
08/11/1998US5793246 High voltage pump scheme incorporating an overlapping clock
08/11/1998US5793193 For supplying power to a load from a source
08/11/1998US5793190 Method and device for power conversion
08/11/1998CA2055898C Constant-current integrated power supply
08/06/1998WO1998034314A1 Uninterruptible power supply
08/06/1998WO1998034313A1 Soft switching active snubber
08/06/1998CA2258340A1 Uninterruptible power supply
08/05/1998EP0856935A2 Charge pump circuit
08/05/1998CN2287350Y Electronic transformer for electric shaver
08/05/1998CN1189930A Power-supply circuit
08/05/1998CN1189672A Circuit arrangement for generating increased output voltage
08/04/1998US5790393 Voltage multiplier with adjustable output level
08/04/1998US5790392 Intelligent power supply with staged loading capability
08/04/1998US5790390 Power supply with reduced EMI
08/04/1998US5790389 Consolidated soft-switching AC/DC converters
08/04/1998US5790005 Switching converter circuit
08/04/1998US5789905 Voltage step-up circuit and its control circuit
08/04/1998US5789779 IGFET circuit preventing parasitic diode current
08/04/1998US5789723 Reduced flicker fusing system for use in electrophotographic printers and copiers
08/04/1998CA2097448C Signal separation circuit
07/1998
07/30/1998WO1998033268A1 Boost mode power conversion
07/30/1998WO1998033267A2 High efficiency power converter
07/30/1998WO1998033266A1 A method and device for power conversion
07/30/1998WO1998033265A1 Step-down dc-dc converter
07/30/1998WO1998033264A1 Circuit for generating negative voltages
07/30/1998CA2278250A1 High efficiency power converter
07/29/1998EP0855788A1 NMOS negative charge pump
07/29/1998CN1188920A Voltage-oppressed voltage source using partial resonance type
07/28/1998US5786992 To convert power from a varying voltage source/delivering it to a load
07/28/1998US5786991 Cellular telephone
07/28/1998US5786990 Implementation of ripple steering to converter topologies
07/28/1998US5786687 Transformer-isolated pulse drive circuit
07/28/1998US5786617 High voltage charge pump using low voltage type transistors
07/28/1998US5786558 Method and apparatus for controlling inverter resistance welding
07/27/1998CA2226772A1 Bi-directional dc/dc voltage converter
07/22/1998EP0854564A2 AC/CD converter with a piezoelectric transformer
07/22/1998EP0854563A2 Low power and wide input voltage range DC to DC switching converter
07/22/1998EP0854562A1 Switching power supply
07/22/1998EP0734613B1 Switched power supply
07/22/1998CN1039271C High voltage electric power conversion method and apparatus thereof
07/21/1998US5784326 Voltage raising device
07/21/1998US5784269 Three phase high power factor converter using phase selection circuit
07/21/1998US5784266 Single magnetic low loss high frequency converter
07/21/1998US5784231 For a switched-mode power supply
07/21/1998US5783799 To provide a welding current to a load from a bus current
07/16/1998WO1998031016A1 Programming voltage protection in non-volatile memory system
07/15/1998EP0853372A1 Power supply circuit
07/15/1998EP0853371A2 Zero load of power source
07/15/1998EP0853365A2 Battery charging unit
07/15/1998EP0852895A1 Fixed-cycle power-supply circuit with an at least temporarily active consumer-independent load
07/15/1998EP0852799A1 Variable stage charge pump
07/15/1998EP0788726B1 Current supply module for mounting on a component-carrying printed circuit board
07/14/1998US5781473 Variable stage charge pump
07/14/1998US5781427 Multistandard rectified power supply circuit with power factor correction option
07/14/1998US5781426 Booster circuit and method of driving the same
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