| Patents for H02M 3 - Conversion of dc power input into dc power output (54,461) |
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| 02/22/1994 | US5289361 Adaptive boost switching preregulator and method |
| 02/22/1994 | US5289360 Equipment for the generation of stabilized high direct voltage, particularly for use in combination with a non-polluting muffler |
| 02/22/1994 | US5289359 DC-DC power converter including sensing means for providing an output when the reserve power of the converter falls below a predetermined amount for a given input voltage |
| 02/22/1994 | US5289108 Stable direct voltage generator |
| 02/22/1994 | US5289025 Integrated circuit having a boosted node |
| 02/21/1994 | CA2104251A1 Switch mode power supply |
| 02/16/1994 | EP0583038A1 Power supply circuit and control circuit for use in a power supply circuit |
| 02/16/1994 | EP0582814A2 Dropout recovery circuit |
| 02/16/1994 | EP0582813A2 Critically continuous boost converter |
| 02/16/1994 | EP0491731B1 Combinatorial circuit component |
| 02/16/1994 | CN1082265A Phase-difference synchronization controlling circuit of parallel smps |
| 02/15/1994 | US5287372 Quasi-resonant diode drive current source |
| 02/15/1994 | US5287261 Power conversion using zero current soft switching |
| 02/09/1994 | EP0582133A1 Three phase AC to DC power converter |
| 02/09/1994 | EP0581989A1 Switching regulator with regulation of at least an output voltage |
| 02/09/1994 | CN1023747C Dynamic frequency and current converting method and apparatus thereof |
| 02/08/1994 | US5285372 Power supply for an ozone generator with a bridge inverter |
| 02/08/1994 | US5285370 Circuit arrangement for generating a high DC voltage |
| 02/08/1994 | US5285369 Switched mode power supply integrated circuit with start-up self-biasing |
| 02/08/1994 | US5285368 Power source device responsive to supplemental plural output voltages |
| 02/08/1994 | US5285367 Linear load circuit to control switching power supplies under minimum load conditions |
| 02/08/1994 | US5285132 Display device |
| 02/02/1994 | EP0581172A1 Method for limiting current and arrangement |
| 02/02/1994 | EP0581109A1 Circuit arrangement for controlling a switching element in a backregulator |
| 02/02/1994 | EP0581016A1 Apparatus and method for forced sharing of parallel MOSFET switching losses |
| 02/02/1994 | EP0580923A1 Circuit for detecting voltage variations in relation to a set value, for devices comprising errors amplifiers |
| 02/02/1994 | EP0580919A1 Frequency modulated switching power supply |
| 02/02/1994 | CN1023668C Bidirectional dc power controller with fault protection |
| 02/01/1994 | US5283727 Independent control of the AC line current and output DC voltage of a high power factor AC-to-DC converter |
| 02/01/1994 | US5283726 AC line current controller utilizing line connected inductance and DC voltage component |
| 02/01/1994 | US5283513 Battery charging device for electric vehicles |
| 01/26/1994 | EP0580198A2 Power supply circuit with standby arrangement |
| 01/26/1994 | EP0579653A1 Start-up circuit for a switching network |
| 01/26/1994 | CN1081244A Method for controlling of air conditioner |
| 01/25/1994 | US5282170 Negative power supply |
| 01/25/1994 | US5282126 Start circuit for a switched mode power supply |
| 01/25/1994 | US5282123 Voltage control circuit |
| 01/25/1994 | US5282122 High voltage power supply topology suited for miniaturization |
| 01/25/1994 | US5282120 Converter for providing boost voltage for a flash discharge lamp serving as a photographic light |
| 01/25/1994 | US5282107 Power MOSFET safe operating area current limiting device |
| 01/20/1994 | WO1994001921A1 Dc-to-dc converter |
| 01/19/1994 | EP0579561A1 Protection circuit for power components against overvoltages |
| 01/18/1994 | US5280420 Charge pump which operates on a low voltage power supply |
| 01/13/1994 | DE4321585A1 Power factor correction circuit with rectifier - has input terminal for downwards divided, rectified AC signal, and voltage sensor |
| 01/13/1994 | DE4241066C1 Automatische Laststromrückregelung Automatic load current feedback control |
| 01/12/1994 | EP0578294A2 Display device with reduced radiated electrical field |
| 01/12/1994 | EP0578116A1 Output capacitor arrangement of a switched-mode power supply |
| 01/12/1994 | EP0577704A1 Power supply having high power factor with control that tracks the input alternating supply |
| 01/12/1994 | EP0577611A1 Inductive power distribution system |
| 01/12/1994 | CN1080788A Power supply circuit with standby arrangement |
| 01/11/1994 | US5278748 Voltage-resonant DC-DC converter |
| 01/11/1994 | US5278746 High voltage generator |
| 01/11/1994 | US5278490 One-cycle controlled switching circuit |
| 01/11/1994 | US5278489 Multi-phase switching power supply |
| 01/05/1994 | EP0576706A1 Power-supply circuit with at least two outputs |
| 01/05/1994 | EP0576702A1 Switching converter with current limitation |
| 01/05/1994 | DE4321060A1 AC=DC converter - has first and second switching transistors with circuit detecting their respective switching time points and control drive circuit |
| 01/04/1994 | US5276651 Voltage generating device generating a voltage at a constant level and operating method thereof |
| 01/04/1994 | US5276646 High voltage generating circuit for a semiconductor memory circuit |
| 01/04/1994 | US5276604 High voltage regulator for an integrated horizontal sweep system |
| 01/04/1994 | US5276602 High voltage power supply control apparatus |
| 12/29/1993 | EP0576280A2 Method and apparatus for controlling an air conditioner with a solar cell |
| 12/29/1993 | EP0576204A1 Integrated circuit buffer with controlled rise and fall times |
| 12/29/1993 | EP0576008A2 Boost voltage generating circuit |
| 12/29/1993 | CN1023369C Stabilized power supply circuit |
| 12/28/1993 | US5274543 Zero-voltage switching power converter with lossless synchronous rectifier gate drive |
| 12/28/1993 | US5274539 Capacitance-multiplying converters for supplying distributed pulsed loads |
| 12/28/1993 | US5274208 High frequency heating apparatus |
| 12/28/1993 | CA1325658C Switching power source means |
| 12/22/1993 | EP0575101A2 Power supply architecture |
| 12/22/1993 | CN2150670Y Portable DC mains |
| 12/22/1993 | CN2150563Y Double-slide linear-analog given device |
| 12/21/1993 | US5272618 Filament current regulator for an X-ray system |
| 12/21/1993 | US5272614 Microprocessor-controlled DC-DC converter |
| 12/21/1993 | US5272613 Cascaded rectifier and two switched voltage converter circuits with harmonics suppression |
| 12/21/1993 | US5272612 X-ray power supply utilizing A.C. frequency conversion to generate a high D.C. voltage |
| 12/16/1993 | DE4219354A1 Voltage stabilisation circuitry using PWM - has semiconductor switch coupled to pulse width modulation regulator using sawtooth voltage signal |
| 12/15/1993 | EP0573832A1 Device for charging a rechargeable battery |
| 12/15/1993 | EP0573785A1 Current supply circuit for radio equipment |
| 12/15/1993 | CN1079589A Apparatus for charging a rechargeable electrical energy accumulator |
| 12/14/1993 | US5270913 Compact and efficient transformerless power conversion system |
| 12/14/1993 | US5270904 Switching power apparatus with 3-state driver |
| 12/14/1993 | US5270636 Regulating control circuit for photovoltaic source employing switches, energy storage, and pulse width modulation controller |
| 12/14/1993 | US5270584 Semiconductor integrated circuit |
| 12/09/1993 | WO1993024988A1 Zero voltage switching power converter with secondary side regulation |
| 12/09/1993 | WO1993024987A1 Dual active clamp power converter |
| 12/08/1993 | CN1023049C Superimposed high-voltage power supply and chaining controlling method |
| 12/07/1993 | US5268830 Drive circuit for power switches of a zero-voltage switching power converter |
| 12/07/1993 | US5268593 Switching power source circuit |
| 12/02/1993 | DE4316945A1 Inverter-type voltage supply - uses forward voltage stabilising current circuit for lowering offset voltage by discharging forward voltage capacitor through FET |
| 12/01/1993 | EP0572066A2 Circuit to generate a supply voltage |
| 12/01/1993 | EP0571372A1 Dc/dc-converter. |
| 12/01/1993 | CN1079083A Compact and efficient transformerless power conversion system |
| 12/01/1993 | CN1079082A Chopping controlled rectification and ac voltageregulation circuit |
| 11/30/1993 | USRE34462 Start circuit for generation of pulse width modulated switching pulses for switch mode power supplies |
| 11/30/1993 | US5267201 High voltage boosted word line supply charge pump regulator for DRAM |
| 11/30/1993 | US5267138 Driving and clamping power regulation technique for continuous, in-phase, full-duration, switch-mode resonant converter power supply |
| 11/30/1993 | US5267136 DC-DC converter having parallel converter circuits |
| 11/30/1993 | US5267135 Power supply apparatus having interlocking operating system |
| 11/30/1993 | US5267134 Voltage and frequency converter device |