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)
11/2005
11/04/2005WO2006137822A2 High voltage pulsed power supply using solid state switches
11/04/2005CA2564870A1 High voltage pulsed power supply using solid state switches
11/03/2005WO2005104341A1 A changeable dc output voltage adapter with voltage level display
11/03/2005WO2005033819B1 Bridge-less boost (blb) power factor correction topology controlled with one cycle control
11/03/2005US20050245978 Systems and methods for precharging circuitry for pulse generation
11/03/2005US20050245977 Voltage limited systems and methods
11/03/2005US20050243894 Methods and circuits for frequency modulation that reduce the spectral noise of switching regulators
11/03/2005US20050243657 Electronic clock, electronic apparatus and starting method
11/03/2005US20050243582 DC transformer with an output inductance integrated on a magnetic core thereof and a DC/DC converter employing the same
11/03/2005US20050243581 Direct current voltage transformer
11/03/2005US20050243580 Apparatus and method of employing combined switching and PWM dimming signals to control brightness of cold cathode fluorescent lamps used to backlight liquid crystal displays
11/03/2005US20050243579 Power system having multiple power converters with reduced switching loss
11/03/2005US20050243492 Power supply circuit and electronic device
11/03/2005US20050243487 Switchable power supply system and method thereof
11/03/2005US20050242869 Medium for storing and reading information, and device for storing and reading of information on and from the medium
11/03/2005US20050242858 Apparatus and method for synchronized distributed pulse width modulation waveforms in microprocessor and digital signal processing devices
11/03/2005US20050242798 Circuits and methods for providing multiple phase switching regulators which employ the input capacitor voltage signal for current sensing
11/03/2005US20050242797 Switching converter having at least two converter stages
11/03/2005US20050242796 Low dropout voltage regulator providing adaptive compensation
11/03/2005US20050242795 MMIC DC-to-DC converter
11/03/2005US20050242793 Pulse forming converter
11/03/2005US20050242792 High efficiency linear regulator
11/03/2005US20050242788 DC-DC high frequency boost converter
11/03/2005US20050242787 Switching power supply circuit
11/03/2005US20050242777 Charger for rechargeable batteries
11/03/2005US20050242772 Electronic device
11/03/2005US20050242747 Method and device for driving an organic EL display device
11/03/2005DE202005013154U1 Switched power supply uses a measured signal to control the supplied voltage with needing an additional transformer
11/03/2005DE202005006141U1 Voltage supply unit has power circuit fed from alternating current source with separate rectifiers and supply units for different voltage loads
11/03/2005DE102004047358B3 In zwei Halbleiterkörpern integrierte Schaltungsanordnung mit einem Leistungsbauelement und einer Ansteuerschaltung Integrated in two semiconductor bodies circuit arrangement having a power component and a drive circuit
11/03/2005DE102004017942A1 Low loss power interfacing circuit uses microprocessor with pull up or pull down resistors
11/03/2005DE102004016927A1 Verfahren zur Strom- und Spannungsregelung für ein Schaltnetzteil Method for current and voltage control for a switching power supply
11/03/2005DE102004016907A1 Switched power supply voltage regulator uses a pulse width modulated control stage with multivibrator input
11/02/2005EP1592154A2 Methods and circuits for frequency modulation that reduce the spectral noise of switching regulators
11/02/2005EP1592119A2 Electrical switching converter with high input voltage
11/02/2005EP1592118A1 Switching Power Supply Device
11/02/2005EP1592117A1 DC-DC high frequency boost converter
11/02/2005EP1592116A2 DC-DC converter
11/02/2005EP1591299A1 Auxiliary power supply for vehicle
11/02/2005EP1590883A1 Dc/dc bridge for controlling a direct-current load
11/02/2005EP1590878A2 Improved fixed frequency resonant converter
11/02/2005EP1590877A1 Adaptive inductive power supply
11/02/2005EP1590876A1 Energy saving startup circuit for power supply
11/02/2005EP1590875A1 Electrical converter for converting electrical power
11/02/2005EP1590869A2 Electric converter for fuel cell
11/02/2005EP1590868A1 Electric energy storage device and method of charging and discharging the same
11/02/2005EP1590867A2 Adaptive inductive power supply with communication
11/02/2005EP1459431B1 Flyback power converter
11/02/2005CN1692547A Device and method for converting an AC voltage
11/02/2005CN1692546A Synchronous rectification switching power supply
11/02/2005CN1692545A Power supply circuit and electronic device
11/02/2005CN1692544A Green switch power supply with standby function and its IC
11/02/2005CN1691507A Driver circuit
11/02/2005CN1691486A Piezoelectric transformer drive circuit and cold cathode tube lighting apparatus
11/02/2005CN1691485A Switch power supply circuit
11/02/2005CN1691483A Linear predictive controller
11/02/2005CN1691482A Constant-current generating circuit
11/02/2005CN1691481A Switching regulator and method for changing output voltages thereof
11/02/2005CN1691480A Power supply device and switching power supply device
11/02/2005CN1691479A Switching power supply circuit
11/02/2005CN1691478A Switching power supply circuit and semiconductor device integrating the same
11/02/2005CN1691477A Electronic device
11/02/2005CN1691475A Convertible DC output voltage adapter having voltage level display
11/02/2005CN1691327A Semiconductor device
11/02/2005CN1691222A Transformer for switching power supply
11/02/2005CN1691115A Method and device for driving an organic EL display device
11/02/2005CN1691111A Light emitting display device and drive control method thereof
11/02/2005CN1690906A Power circuit
11/02/2005CN1225946C Method and ballast for starting discharge lamp
11/02/2005CN1225832C Switching power supply
11/02/2005CN1225831C Switch power supply
11/01/2005US6961256 Synchronous rectifier with dead time adjusting function
11/01/2005US6961255 Switching power supply using controlled negative feedback in series with a switching device and responsive to the voltage and/or current to a load
11/01/2005US6961254 Insulating switching DC/DC converter
11/01/2005US6961253 Drive circuits for synchronous rectifiers
11/01/2005US6961252 Switching power supply
11/01/2005US6961251 Waveform independent high frequency power system
11/01/2005US6961244 Switching power supply
11/01/2005US6961015 Touch screen display circuit and voltage measurement circuit
11/01/2005US6960955 Charge pump-type booster circuit
11/01/2005US6960954 Variable frequency electric signal generator, automatic control and low cost computing means
11/01/2005US6960906 Switching power supply
11/01/2005US6960905 Time-sharing current sense circuit for a multi-phase converter
11/01/2005US6960903 Trouble determining apparatus for DC boosting circuit
11/01/2005US6960902 Conversion circuit for discriminating sourcing current and sinking current
11/01/2005US6960901 Bi-directional DC/DC power converter having a neutral terminal
10/2005
10/27/2005WO2005101662A1 Systems and methods for precharging circuitry for pulse generation
10/27/2005WO2005101660A1 Voltage limited systems and methods
10/27/2005WO2005101635A1 Soft-switching power converter having power saving means
10/27/2005WO2005101633A2 Methods and devices for low noise current source with dynamic power distribution
10/27/2005WO2005101632A1 Ac/dc converter comprising plural converters in cascade
10/27/2005WO2005101631A2 Flyback converter
10/27/2005WO2005101630A1 Switching power supply
10/27/2005WO2005101629A1 Switching power supply circuit
10/27/2005WO2005101628A1 Power supply for anodic oxidation
10/27/2005WO2005101627A1 Fractional voltage converter
10/27/2005WO2005101624A1 Pwm controller having a modulator for saving power and reducing acoustic noise
10/27/2005US20050240891 Method of switching a power supply of voltage domains of a semiconductor circuit, and corresponding semiconductor circuit
10/27/2005US20050237785 Write driver with improved boosting circuit and interconnect impedance matching
10/27/2005US20050237772 Dc-dc converter with coupled-inductors current-doubler
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