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