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)
05/2003
05/07/2003EP1309077A2 Method and apparatus for sensing output inductor current in a dc-to-dc power converter
05/07/2003EP1309015A2 Piezoelectric transformer and strobe apparatus having the piezoelectric transformer
05/07/2003EP1308069A1 Interface circuit and method for dimming a fluorescent lamp
05/07/2003EP1157320B1 Method for generating a regulated direct voltage from an alternating voltage and power supply device for implementing said
05/07/2003CN1416613A Multiple valley controller for switching circuit
05/07/2003CN1416612A Alternator system
05/07/2003CN1416611A Synchronous rectification in flyback converter
05/07/2003CN1416210A Charge pump and utilized voltage multiplier
05/07/2003CN1416209A Transfer circuit of direct current and control method
05/07/2003CN1108011C Self-driving circuit of dc/dc converter
05/07/2003CN1107955C Voltage boosting circuit of semiconductor memory device
05/06/2003US6560127 Power conversion circuit having improved zero voltage switching
05/06/2003US6559710 Raised voltage generation circuit
05/06/2003US6559707 Bootstrap circuit
05/06/2003US6559689 Circuit providing a control voltage to a switch and including a capacitor
05/06/2003US6559673 Apparatus and method for power continuity testing in a parallel testing system
05/06/2003US6559625 Circuit arrangement and electrical appliance with an inductive load and a buck converter
05/06/2003US6559624 Voltage converter capable of outputting a stable output voltage
05/06/2003US6559492 On-die switching power converter with stepped switch drivers and method
05/02/2003EP1306965A2 Power supply unit
05/02/2003EP1305873A2 Switching power converter with gated oscillator control
05/02/2003EP1305872A1 Switched mode power supply control
05/02/2003EP1097505B8 Modular apparatus for regulating the harmonics of current drawn from power lines
05/01/2003WO2003036782A2 Frequency modulated self-oscillating switching power supply
05/01/2003WO2002101910A3 Switching converter
05/01/2003WO2002077740A8 Electronic ballast for cold cathode fluorescent lamp with dimming
05/01/2003WO2002071586A3 Power supply unit dc-dc conversion
05/01/2003WO2002042046A9 Vessel exclusion barrier/line of demarcation
05/01/2003US20030081439 Dual input AC/DC/ battery operated power supply
05/01/2003US20030081438 Multi-phase DC-DC converter
05/01/2003US20030081433 Electric-power supplying devices switching between a synchronous rectification and a diode rectification by gradually altering a switching pulse
05/01/2003US20030080955 High-efficiency regulated voltage-boosting device
05/01/2003US20030080804 Negative charge pump architecture with self-generated boosted phases
05/01/2003US20030080803 Semiconductor device including power supply circuit conducting charge pumping operation
05/01/2003US20030080723 Average current estimation scheme for switching mode power supplies
05/01/2003US20030080719 Capacitor charging method and charging apparatus
05/01/2003US20030080718 Switching dc-dc power supply to control output voltage
05/01/2003US20030080710 Current controlled motor amplifier system
05/01/2003US20030080695 Discharge lamp starter
05/01/2003US20030080624 Power supply system with control of number of fully operational supplies for energy efficiency
05/01/2003US20030080623 Dual input AC and DC power supply having a programmable DC output utilizing single-loop optical feedback
04/2003
04/30/2003CN2548366Y Micro coulometric detector isolating electrolytic power source
04/30/2003CN1415135A Method for controlling at least one inductive consumer by means for pulse width modulated control signal
04/30/2003CN1415134A Remote sensing technology high-order filtering
04/30/2003CN1415111A Power conversion system utilizing wire core inductive devices
04/29/2003US6556458 Inverter device with improved current detector
04/29/2003US6556117 Multi-channel uniform output type transformer
04/29/2003US6556088 Phase-locked loop having a stable damping factor
04/29/2003US6556071 Semiconductor integrated circuit
04/29/2003US6556069 Voltage generating circuit
04/29/2003US6556067 Charge pump regulator with load current control
04/29/2003US6556066 Boosting method and apparatus
04/29/2003US6556064 Voltage boosting circuit and method
04/24/2003WO2003034587A1 Method and system for proportional plus integral loop compensation using a hybrid of switched capacitor and linear amplifiers
04/24/2003WO2003034577A1 Method and apparatus for near losslessly measuring inductor current
04/24/2003WO2003034576A2 Method and system for charge pump active gate drive
04/24/2003WO2003034391A2 Method and system for adjusting the voltage of a precharge circuit
04/24/2003WO2003034388A2 Circuit for predictive control of boost current in a passive matrix oled display and method therefor
04/24/2003WO2003034387A2 Method and clamping apparatus for securing a minimum reference voltage in a video display boost regulator
04/24/2003WO2003034386A2 Method and system for ramp control of precharge voltage
04/24/2003WO2003034385A2 System and method for illumination timing compensation in response to row resistance
04/24/2003WO2003034384A2 Method and system for precharging oled/pled displays with a precharge latency
04/24/2003WO2003034383A2 Drive circuit for adaptive control of precharge current and method therefor
04/24/2003WO2003033749A1 Matrix element precharge voltage adjusting apparatus and method
04/24/2003WO2002093680A3 Switched charge voltage driver and method for applying voltage to tunable dielectric devices
04/24/2003WO2002063752A3 Synchronous dc-dc converter
04/24/2003WO2002027810A3 Piezoelectric transformer and operating method
04/24/2003US20030076880 Method and circuit for controlling switching frequency signal
04/24/2003US20030076697 Voltage supply circuit
04/24/2003US20030076316 Display apparatus with power supply having a power saving mode
04/24/2003US20030076156 Method and circuit for generating a high voltage
04/24/2003US20030076078 Method and apparatus for maintaining a constant load current with line voltage in a switch mode power supply
04/24/2003US20030075997 Alternator control circuit and related techniques
04/24/2003US20030075796 Semiconductor device
04/23/2003EP1304791A1 Source voltage conversion circuit and its control method, display, and portable terminal
04/23/2003EP1303904A1 Device for increasing a direct-current voltage from a first value to a second value
04/23/2003EP1303903A1 A dc switching regulator
04/23/2003EP1303902A1 A multi-output dc/dc converter in pfm/pwm mode
04/23/2003EP1303901A1 Thermal protection circuit for high output power supplies
04/23/2003EP1206830B1 Switched-mode mains supply unit, comprising a device for limiting the output voltage
04/23/2003CN1412922A Switch power supply adaption method and system
04/23/2003CN1412921A Condenser energy-storage type push-pull transformer
04/23/2003CN1106647C Voltage multiplier
04/22/2003USRE38082 High frequency pulse transformer for an IGBT gate drive
04/22/2003US6552934 Apparatus and method for programming voltage protection in a non-volatile memory system
04/22/2003US6552933 Apparatus and method for programming voltage protection in a non-volatile memory system
04/22/2003US6552919 Converter utilizing pulse duration modulation and ripple control
04/22/2003US6552917 System and method for regulating multiple outputs in a DC-DC converter
04/22/2003US6552623 Self-oscillation type switching power supply unit
04/22/2003US6552600 Initialization of negative charge pump
04/22/2003US6552599 Diode circuit with ideal diode characteristic
04/22/2003US6552562 Current detecting apparatus and its control method
04/22/2003US6552490 Multiple stage depressed collector (MSDC) klystron based amplifier for ground based satellite and terrestrial communications
04/22/2003US6552397 Charge pump device formed on silicon-on-insulator and operation method
04/17/2003WO2003032477A2 Integrated magnetics for a dc-dc converter with flexible output inductor
04/17/2003WO2003032476A2 Method and device for transforming a direct current voltage, and use of said device
04/17/2003WO2003032462A2 Replenishing power supply system
04/17/2003WO2003032389A1 Voltage conversion module
04/17/2003WO2003032104A2 Method of supplying power to low supply voltage power consumers
04/17/2003WO2003007463A3 A power supply circuit
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