Patents for H02M 7 - Conversion of ac power input into dc power output; Conversion of dc power input into ac power output (46,189)
12/1992
12/23/1992EP0519305A2 Converter assembly
12/22/1992US5173849 Integratable synchronous rectifier
12/22/1992US5173848 Motor controller with bi-modal turnoff circuits
12/22/1992US5173847 PWM power supply with synchronous rectifier and synchronizing oscillator
12/22/1992CA1311807C Magnetron with temperature probe isolation
12/22/1992CA1311797C Power source using high frequency phase control
12/15/1992US5172310 Low impedance bus for power electronics
12/15/1992US5172309 Auxiliary quasi-resonant dc link converter
12/15/1992US5172308 DC-DC converter with transformer having a single secondary winding
12/15/1992CA1311550C Control apparatus for a power converter
12/09/1992EP0517493A2 Start circuit for a power supply control integrated circuit
12/09/1992EP0517152A2 Electronic switching device
12/09/1992EP0517116A1 High voltage generating circuits
12/09/1992CN1019440B Pwn power converter
12/08/1992US5170337 Low-inductance package for multiple paralleled devices operating at high frequency
12/08/1992US5170336 DC to AC inverter with improved forced air cooling method and apparatus
12/08/1992US5170335 Precision rectifier system with differential input and differential output
12/08/1992US5170334 Bypass-pair control apparatus for thyristor bridge
12/08/1992US5170317 Multilayer capacitor
12/08/1992US5170315 For coating workpieces with liquid or powder coating material
12/08/1992US5170118 Circuit and method for testing inverter drive logic switching patterns
12/08/1992CA1311267C Modular cabinet for electrical battery banks
12/02/1992CN2123835U Dc-to-ac converter power source
12/02/1992CN1066754A Inverter arrangement and ac motor driving system
12/01/1992US5168440 Transformer/rectifier assembly with a figure eight secondary structure
12/01/1992US5168439 Inverter control method and apparatus
12/01/1992US5168438 Selectable dual rectifier power supply for musical amplifier
12/01/1992US5168437 For reducing undesired harmonics of a fundamental AC output
11/1992
11/25/1992CN2123115U Power-saving long-service dimming switch for incandescent lamps
11/25/1992CN1066536A Inverse convertor circuit
11/24/1992US5166965 High voltage dc source including magnetic flux pole and multiple stacked ac to dc converter stages with planar coils
11/24/1992US5166870 Pulse width-modulation control device for invertor devices
11/24/1992US5166869 Complementary electronic power converter
11/24/1992US5166760 Semiconductor Schottky barrier device with pn junctions
11/24/1992US5166578 Inverter power supply circuit
11/24/1992US5166549 Zero-voltage crossing detector for soft-switching devices
11/19/1992EP0513910A2 Rectifier circuit
11/19/1992EP0513842A1 Power supply apparatus for magnetron driving
11/17/1992US5164893 Low inductance gto switching circuit for an inverter
11/17/1992US5164877 Semiconductor device
11/17/1992US5164657 Synchronous switching power supply comprising buck converter
11/17/1992US5164637 Power supply for gas discharge lamps
11/12/1992DE4115294A1 Voltage increasing circuit producing erasing or control pulse potential
11/11/1992EP0512531A2 Inverter arrangement and AC motor driving system
11/11/1992CN2121746U Concealed switch having adjustable brightness and energy saving and long service
11/11/1992CN1019069B Method and circuit for voltage regulation of dc power sources
11/10/1992US5163172 Procedure and apparatus for the measurement of the currents in a frequency converter
11/10/1992US5162984 Rectifier able to operate with at least two separate ranges of alternating current supply voltage
11/05/1992DE4114968A1 Current supply for inverter-controlled load - selects precisely valve combination sequence with phase voltage control signal of positive or negative sign
11/04/1992EP0511852A2 Power supply circuit
11/04/1992EP0511344A1 Method and device for connecting frequency converters in parallel.
11/03/1992US5160852 Power adapter
10/1992
10/29/1992WO1992019037A1 Universal input voltage power supply
10/29/1992WO1992019013A1 Power semiconductor packaging
10/28/1992EP0510601A1 Parallel operation system of AC output inverters
10/28/1992EP0510311A2 Current and voltage transformer for a metal encapsulated, gas insulated high-voltage installation
10/27/1992US5159542 Selectable hysteresis controller for pulse width modulated inverter
10/27/1992US5159539 High frequency DC/AC power converting apparatus
10/27/1992US5159245 Track lighting system for 277 volt power line
10/22/1992DE4212864A1 Voltage converter with source and consumer circuit separation - has rechargeable battery in energy store, parallel connected to output terminals
10/20/1992US5157594 For receiving DC input and providing AC output
10/20/1992US5157593 Constant frequency resonant dc/dc converter
10/20/1992US5157592 DC-DC converter with adaptive zero-voltage switching
10/20/1992US5157574 Overvoltage protector for rectifier/inverter bridges
10/20/1992CA1309146C Magnetron with frequency control for power regulation
10/20/1992CA1309137C Power supply for totem pole power switches
10/15/1992DE4212027A1 Digital 3=phase pulse duration modulation signal generator for motor controller - uses comparison of reversible counter count values with stored reference values for each motor phase
10/15/1992DE4111816A1 Current regulator circuit for electric locomotive - has two pairs of series thyristor circuits connected to respective transformer secondary windings with arc-through protection
10/14/1992EP0508664A1 DC to DC converter
10/14/1992EP0360854B1 Two-state, bilateral, single-pole, double-throw, half-bridge power-switching apparatus and power supply means for such electronic power switching apparatus
10/14/1992CN1065364A Hybrid frequency-changing speed governer
10/14/1992CN1065360A 逆变器系统 Inverter System
10/14/1992CN1065359A Control device of neutral point clamped power inverter apparatus
10/13/1992US5155675 Method of controlling an inverter
10/13/1992US5155674 Overvoltage protection circuit for an energy absorbing capacitor
10/13/1992US5155672 Switched multi-tapped transformer power conversion method and apparatus
10/13/1992US5155671 Power converter with current-type inverter
10/13/1992CA1308779C High voltage dc power supply
10/13/1992CA1308773C Static converter comprising a protective filter against high-frequency disturbances
10/12/1992WO1992019085A1 High voltage dc source
10/12/1992CA2085110A1 High voltage dc source
10/08/1992DE4129261C1 Digital control of four quadrant regulating element connected to AC voltage mains transformer - sampling control magnitudes at frequency time that of semiconductor switch pulse frequency
10/08/1992DE4110878A1 Voltage increasing circuit producing erasing or control pulse potential
10/07/1992EP0507697A1 Control of electric motor with stator winding, especially for domestic appliance
10/07/1992EP0507663A1 Method and apparatus for attenuating the effect of conducted radiointerference on the polyphase AC network
10/07/1992EP0507393A2 Circuit arrangement
10/07/1992CN2117978U Ac electric shaver
10/07/1992CN1018600B Pulse-duration modulation signal generator
10/07/1992CN1018598B Power converter with current-type inverter
10/06/1992US5153821 Pulse-width-modulation method for providing extended linearity, reduced commutation losses and increase in inverter/converter output voltage
10/06/1992US5153453 High voltage majority carrier rectifier
10/01/1992DE4110225A1 Control method for inverter with induction machine - varying torque generating demand value with ripple on DC intermediate circuit voltage
09/1992
09/30/1992EP0506583A1 Power supply for an induction heating apparatus
09/30/1992EP0505982A1 Switching regulator
09/30/1992EP0505591A1 Method and circuit arrangement for the regulation of a two-dimensional load vector by a digital actuator with limited commutation frequency
09/30/1992CN1064955A 电源 Power supply
09/30/1992CN1018499B Bridge type power converter with improved efficiency
09/30/1992CN1018498B System and method of controlling power converters
09/29/1992US5151851 Method and circuit arrangement for generating a sinusoidal line ac voltage from a dc voltage
09/27/1992WO1992017929A1 Inductive power distribution system