Patents for H02M 1 - Details of apparatus for conversion (33,954) |
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08/08/2002 | US20020105818 Power conversion device with power source voltage drop detection unit |
08/08/2002 | US20020105316 Voltage sensing with high and low side signals for deadtime compensation and shutdown for short circuit protection |
08/08/2002 | US20020105313 Driver circuit for a power element connected to an inductive load |
08/08/2002 | US20020105311 Switching fet circuit |
08/08/2002 | US20020105309 Synchronous dc-dc converter |
08/08/2002 | US20020105233 Series active filtering power line conditioner |
08/08/2002 | US20020104667 Vertical ramp wave generating circuit |
08/08/2002 | DE10203217A1 Stromversorgungsvorrichtung A power supply apparatus |
08/07/2002 | EP1229635A2 Active gate clamp circuit for self driven synchronous rectifiers |
08/07/2002 | EP1229634A2 Switching power supply apparatus |
08/07/2002 | EP1229633A1 Switching power factor correction apparatus and method thereof |
08/07/2002 | EP1120019B1 Circuit for controlling a load to be supplied by an alternating current voltage |
08/07/2002 | EP1042942B1 An electronic ballast for a gas discharge lamp |
08/07/2002 | CN2504820Y Passive demagnetization electronic switch thyrister |
08/06/2002 | US6430070 Synchronous PWM switching regulator system |
08/06/2002 | US6430065 Power circuit for a semiconductor light source operable from a solid state relay |
08/06/2002 | US6430063 Control switch for synchronous rectification circuit of DC-DC converter |
08/06/2002 | US6429701 Drive circuit for semiconductor power device and semiconductor switching circuit using the drive circuit |
08/06/2002 | US6429639 Combined filter inductor and hall current sensor |
08/06/2002 | US6429635 Drive circuit for insulated gate type FETs |
08/06/2002 | US6429628 Voltage step down type DC-DC converter having a coupled inductor |
08/01/2002 | WO2002060044A1 Power apparatus |
08/01/2002 | WO2002060032A1 Uninterruptible power supply |
08/01/2002 | US20020101750 Power factor correction (PFC) circuit that eliminates an inrush current limit circuit |
08/01/2002 | US20020101746 Voltage converter for several independent loads |
08/01/2002 | US20020101743 Power line separator |
08/01/2002 | US20020101741 Isolated drive circuitry used in switch-mode power converters |
08/01/2002 | US20020101224 Circuit and method for sensing an over-current condition of a dual mode voltage converter |
08/01/2002 | US20020101194 Method and apparatus for canceling ripple current in a lamp |
07/31/2002 | EP1227590A1 Method and apparatus for generating a supply voltage necessary for the operation of an electronic switch |
07/31/2002 | EP1226996A2 Motor controller for battery forklift |
07/31/2002 | EP1226649A1 External driving circuit for bridge type synchronous rectification |
07/31/2002 | EP1226648A1 Protecting switching power supply from fault condition |
07/31/2002 | EP1097414A4 Improved power factor correction method and apparatus |
07/31/2002 | CN1361626A Vertical ramp generating circuit |
07/31/2002 | CN1361589A Electrical apparatus of shielding plate and emitting device for filtering electric signal at two two side of shielding plate |
07/30/2002 | US6426886 Overcurrent protection for a linear post-regulator used in a voltage converter system |
07/30/2002 | US6426612 Circuit and method for sensing an over-current condition of a dual mode voltage converter |
07/25/2002 | WO2002058223A1 A high efficiency ac-dc converter with power factor corrector |
07/25/2002 | WO2002035703A3 A system and method for grouped gating control logic |
07/25/2002 | US20020097591 Preconditioner |
07/25/2002 | US20020097590 Switching power supply circuit |
07/25/2002 | US20020097588 Active gate clamp circuit for self driven synchronous rectifiers |
07/25/2002 | US20020097029 Power supply including diode recovery current suppression circuits |
07/25/2002 | US20020097019 Motor controller for battery forklift |
07/25/2002 | DE10124411A1 Circuit and process for voltage converter removes oscillation after null point crossing |
07/25/2002 | DE10100953A1 Constant-frequency active filter for power factor correcting techniques, has voltage controller with microcomputer to output current command to control clock signal output from PWM control unit of current controller |
07/25/2002 | CA2365153A1 Motor controller for battery forklift |
07/24/2002 | CN1360392A Noise reducing device for electric power conversion device |
07/24/2002 | CN1360391A Device for by-passing current ripple of inductor |
07/24/2002 | CN1088290C Driver circuit for bridge circuit employing bootstrap diode emulator |
07/23/2002 | US6424549 Low consumption converter directly connectable to the mains |
07/23/2002 | US6424548 Power converter |
07/23/2002 | US6424545 Efficient, dual-source, wide-input range, isolated DC-DC converter with effective current limit |
07/23/2002 | US6424543 Integral DC to DC converter |
07/23/2002 | US6424207 PWM active filter for DC power systems |
07/23/2002 | US6424125 Capacitor discharging circuit |
07/23/2002 | US6423142 Power supply control system |
07/18/2002 | WO2002056643A1 Sequential burst mode activation circuit |
07/18/2002 | WO2002056452A2 Phase-controlled ac-dc power converter |
07/18/2002 | WO2002056449A1 Local supply generator for a digital cmos integrated circuit having an analog signal processing circuitry |
07/18/2002 | WO2000059106A9 A two stage architecture for a monitor power supply |
07/18/2002 | US20020093836 Reduction of natural system oscillations in an electric motor which is operated using a converter with a voltage intermediate circuit, by periodically decoupling the intermediate circuit from the mains system, and corresponding voltage intermediate-circuit converter |
07/18/2002 | US20020093317 DC-DC converter circuit, power supply selection circuit, and apparatus |
07/18/2002 | US20020093264 Damping or resonant peaks in an electric motor which is operated using a converter with an intermediate voltage circuit, by means of a transformer-coupled damping resistance, and a corresponding electric motor |
07/18/2002 | US20020092802 Power factor correction for centrifuges |
07/18/2002 | DE10100890A1 Circuit for reducing switching noise in electronic switch e.g. for use in vehicle, has switching transistor with parasitic diode acting as free-running diode damping circuit(s) in parallel with switching path |
07/17/2002 | EP1223663A1 Local supply generator for a digital CMOS integrated circuit having an analog signal processing circuitry |
07/17/2002 | EP1223655A1 External power supply control system for cellular phone |
07/17/2002 | EP1222732A2 Non-saturating magnetic element(s) power converters and surge protection |
07/16/2002 | US6421258 Current zero crossing detecting circuit |
07/16/2002 | US6421256 Method for reducing mains harmonics and switching losses in discontinuous-mode, switching power converters |
07/11/2002 | WO2002054579A1 Mobile power generation system |
07/11/2002 | US20020089863 Switching power supply circuit |
07/11/2002 | US20020089321 Power semiconductor module |
07/11/2002 | US20020089314 System and method for detection of zero current condition |
07/11/2002 | DE10200332A1 Leistungshalbleitermodul The power semiconductor module |
07/11/2002 | DE10064817A1 Bedämpfung von Resonanzüberhöhungen bei einem an einem Umrichter mit Spannungszwischenkreis betriebenen elektrischen Motor durch erhöhte Verlusterzeugung im Bereich kritischer Eigenfrequenzen Damping of resonant peaks at a on a drive with voltage DC electric motor driven by increased production loss in the range of critical natural frequencies |
07/11/2002 | DE10062980A1 Schaltungsanordnung Circuitry |
07/11/2002 | DE10060651C1 Spannungsreglerschaltung für Chipkarten-ICs Voltage regulator circuit for chip card ICs |
07/11/2002 | CA2439355A1 Mobile power generation system |
07/10/2002 | CN1357966A Powe supply unit and air conditioner with the power supply unit |
07/10/2002 | CN1357963A Active peak current controlled filter with high fixed-frequency powre factor |
07/09/2002 | US6418015 Compact multiple output power supply |
07/09/2002 | US6417653 DC-to-DC converter |
07/09/2002 | US6417652 Load drive circuit for an electric load |
07/09/2002 | CA2219255C Control apparatus for a converter for transmitting electric power between an alternating voltage network and a direct voltage network |
07/04/2002 | WO2002052708A1 A three-phase single switch power factor correcting boost converter |
07/04/2002 | WO2002052706A1 Method and apparatus for cancelling ripple current in a lamp |
07/04/2002 | WO2002052688A1 Method and circuitry for active inrush current limiter and power factor control |
07/04/2002 | DE10061385A1 Spannungswandler für mehrere unabhängige Verbraucher Voltage converter for multiple independent consumer |
07/03/2002 | EP1220594A1 Electrical apparatus comprising shield and transmission means with signal filtering across the shield |
07/03/2002 | EP1220432A2 Noise reduction apparatus for electric power conversion apparatus |
07/03/2002 | EP1220431A1 Damping resonance peaks in an electric motor operated by an inverter with intermediate dc voltage link |
07/03/2002 | EP0763275B1 Method and means for supervision of valve units |
07/03/2002 | CN2498789Y Inserting power adaptor for active TV antenna |
07/03/2002 | CN1356763A DC power supply with electric arc unit |
07/02/2002 | US6414866 Active filter for a converter having a DC line |
07/02/2002 | US6414860 Current control start up for pulse-width modulated systems |
07/02/2002 | US6414859 Passive circuity for harmonic current regulation in a power supply by energy efficient input current shaping |