Patents for H02M 1 - Details of apparatus for conversion (33,954) |
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01/13/2005 | DE10327956A1 Circuit arrangement for voltage supply to load in normal and standby operation, has second converter unit coupled to input terminals to provide output voltage during standby |
01/13/2005 | DE102004006753A1 Leistungshalbleitervorrichtung Power semiconductor device |
01/12/2005 | EP1496605A1 Frequency converter and its control method |
01/12/2005 | EP1496604A2 DC-DC converter and device for operation of a high pressure discharge lamp using said converter |
01/12/2005 | EP1495532A2 Soft switching converter using current shaping |
01/12/2005 | CN2671221Y Air cooling powerful high-frequency switchable power supply |
01/12/2005 | CN2671220Y Air cooling high-power high frequency switch power supply |
01/12/2005 | CN2671219Y Air cooling high-frequency switch power supply |
01/12/2005 | CN1565072A Motor control circuit and associated full bridge switching arrangement |
01/12/2005 | CN1564449A Smallest voltage active clamped single-phase A.C-D.C power factor correction transformer |
01/12/2005 | CN1564448A Composite active clamped single-phase A.C-D.C power factor correction transformer |
01/12/2005 | CN1564447A Composite active clamped 3-phase A.C-D.C power factor correction transformer |
01/12/2005 | CN1564439A Setting time sequence for controlled voltage and main loop power supplying of transformer final stage |
01/12/2005 | CN1564438A Switcing linear composite free waveform power transformer |
01/11/2005 | US6842069 Active common mode EMI filters |
01/11/2005 | US6842068 Power management method and structure |
01/11/2005 | US6842064 Overcurrent protection and masking circuitry for protection against an overcurrent condition |
01/11/2005 | US6841980 Apparatus for controlling voltage sequencing for a power supply having multiple switching regulators |
01/11/2005 | US6841979 Power distribution with digital current control |
01/11/2005 | US6841977 Soft-start with back bias conditions for PWM buck converter with synchronous rectifier |
01/11/2005 | US6841898 Automatic power supply selector for a ACPI-compliant PCI devices |
01/11/2005 | US6841896 Dual supply voltages converter and method |
01/06/2005 | WO2005002021A1 Supply-line filter |
01/06/2005 | WO2003100968A8 Active common mode emi filter, including series cascaded filter with reduced power dissipation and transistor voltage rating |
01/06/2005 | WO2003034391A9 Method and system for adjusting the voltage of a precharge circuit |
01/06/2005 | WO2003034385A9 System and method for illumination timing compensation in response to row resistance |
01/06/2005 | US20050003778 Electrical filters |
01/06/2005 | US20050002212 Electric power converting device |
01/06/2005 | US20050002211 Power factor correction method and apparatus and power supply using the same |
01/06/2005 | US20050002162 Modular power converter having fluid cooled support |
01/06/2005 | US20050001659 Gate driving circuit |
01/06/2005 | US20050001601 Circuit for controlling the minimum operating voltage of switching power supply |
01/06/2005 | US20050001599 Power supply system and method of controlling the same |
01/05/2005 | EP1494334A2 Battery charging device |
01/05/2005 | DE19801848B4 Spannungswandler mit einer selbstschwingenden Brückenschaltung Voltage converter comprising a self-oscillating bridge circuit |
01/05/2005 | DE10327407A1 Elektrische Schaltung für einen spannungseinprägenden Umrichter Electrical circuit for a voltage-converter |
01/05/2005 | DE10325519A1 Drive circuit for switch in switched mode power supply has first component group supplied with operating voltage via first input terminal and second component group supplied via supply connection |
01/05/2005 | DE10158790B4 Halbleiterschutzschaltung Semiconductor circuit |
01/05/2005 | CN1561653A Self-oscillating bridge circuit comprising a start circuit |
01/05/2005 | CN1561576A Gate driver apparatus having an energy recovering circuit |
01/05/2005 | CN1561570A Oscillating circuit, converter with such oscillating circuit, and preconditioner with such converter |
01/05/2005 | CN1183654C Power supply device and air conditioner using said power supply |
01/05/2005 | CN1183653C Converter device |
01/04/2005 | US6839251 Apparatus and method for filtering voltage for an electrostatic precipitator |
01/04/2005 | US6839250 Active EMI filter with feed forward cancellation |
01/04/2005 | US6839247 PFC-PWM controller having a power saving means |
01/04/2005 | US6839245 Switching power supply circuit |
01/04/2005 | US6839213 Power converter of electric car or hybrid car |
01/04/2005 | US6838914 Semiconductor device |
12/30/2004 | US20040264226 Motor control circuit and associated full bridge switching arrangement |
12/30/2004 | US20040264224 Structure and method for an isolated boost converter |
12/30/2004 | US20040264220 Emi filter circuit |
12/30/2004 | US20040264215 Power conversion circuit with clamp and soft start |
12/30/2004 | US20040263219 Drive circuit and drive method |
12/30/2004 | US20040263140 Device for the correction of the power factor in forced switching power supplies |
12/30/2004 | US20040263138 Watt Power Device |
12/30/2004 | DE4029221B4 Elektronisches Schaltnetzteil An electronic switching power supply |
12/29/2004 | WO2004114509A1 Dead time control in a switching circuit |
12/29/2004 | WO2004114508A1 Ac switch |
12/29/2004 | WO2004073148A3 Ac voltage regulator apparatus and method |
12/29/2004 | EP1490957A2 Line frequency switching regulator |
12/29/2004 | CN2667791Y Harmonic current suppressor |
12/29/2004 | CN2667790Y Simple harmonic current suppressor |
12/29/2004 | CN1181945C Power supply used in the welding, cutting and heating device |
12/28/2004 | US6836161 Semiconductor switch driving circuit |
12/28/2004 | US6836101 Tip having active circuitry |
12/23/2004 | WO2004112231A2 Rectifier/power converter for an ac power source having a connection for a back-up power source |
12/23/2004 | WO2004112225A2 High efficiency off-line linear power supply |
12/23/2004 | WO2004112170A2 Method and system for configuring power electronics in an electrochemical cell system |
12/23/2004 | WO2004045051A3 Controller for dc to dc converter |
12/23/2004 | US20040257845 Series power switch bridge having the ability of automatic voltage-sharing |
12/23/2004 | US20040257841 Device for removing inverter noise |
12/23/2004 | US20040257836 Rapid current demand microprocessor supply circuit |
12/23/2004 | US20040257835 Programmable AC/DC power supply |
12/23/2004 | US20040257834 High output power quasi-square wave inverter circuit |
12/23/2004 | US20040257832 Permanent magnet induction machine |
12/23/2004 | US20040257052 Method for reducing the cost of voltage regulation circuitry in switch mode power supplies |
12/23/2004 | US20040257035 Combination of power supply and detachable electric implement |
12/23/2004 | DE10323502A1 Device to suppress disturbing currents of given frequency in current supply for railed vehicles has feedback through an analog to digital converter and a digital filter |
12/22/2004 | EP1489729A2 Method for reducing the cost of voltage regulation circuitry in switch mode power supplies |
12/22/2004 | EP1489728A2 Electric circuit for a voltage converter |
12/22/2004 | EP1489716A1 A battery-charger device with improved stability |
12/22/2004 | CN2666029Y Device for improving electrochemical capacitor life |
12/22/2004 | CN2666028Y Structure improvement of power factor corrector |
12/22/2004 | CN2666027Y High-pressure large power frequency converter with double heat radiation fans system |
12/22/2004 | CN1556587A Micro power triggering method of thyristor and circuit thereof |
12/22/2004 | CN1556578A Parallel synchronous phase locking method of uninterrupted power source |
12/21/2004 | US6834002 Power factor correction circuit |
12/21/2004 | US6833745 Signal generator for charge pump in an integrated circuit |
12/21/2004 | US6833693 EMI reduction of power converters by way of controlled randomized modulation of oscillating signals |
12/21/2004 | US6833689 Method for reducing the cost of voltage regulation circuitry in switch mode power supplies |
12/20/2004 | CA2471685A1 Programmable ac/dc power supply |
12/16/2004 | WO2004109899A1 Voltage conversion device and electric car |
12/16/2004 | WO2004109896A2 Active emi filter having no inductive current sensing device |
12/16/2004 | WO2004109191A1 Air-conditioner |
12/16/2004 | WO2004108996A2 Electrophoretic dipping system |
12/16/2004 | WO2004036401A3 Bus controlled power switch |
12/16/2004 | US20040254201 Substituted-1,3-oxathiolanes and substituted-1,3-dioxolanes with antiviral properties |
12/16/2004 | US20040252534 Voltage converting method and voltage converting apparatus using large electrolytic condenser |
12/16/2004 | US20040252529 AC/DC flyback converter |