| Patents for H02M 7 - Conversion of ac power input into dc power output; Conversion of dc power input into ac power output (46,189) |
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| 09/05/1989 | US4864385 Power semiconductors connected antiparallel via heatsinks |
| 08/30/1989 | EP0330055A1 Process for the symmetrical subdivision of a DC voltage in series with a voltage divider consisting of n capacitors, and circuitry for carrying out the process |
| 08/30/1989 | CN2043805U High efficiency invertor |
| 08/30/1989 | CN2043804U Current source invertor assembly |
| 08/29/1989 | US4862344 3-phase bridge converting circuit module |
| 08/29/1989 | US4862342 DC to AC inverter with neutral having a resonant circuit |
| 08/24/1989 | DE3804478A1 Circuit for converter (inverter), especially pulse-controlled inverter |
| 08/23/1989 | EP0328941A1 Process and device for the commutation of current between turn-off switches of a current rectifier |
| 08/22/1989 | US4860189 Full bridge power converter circuit |
| 08/22/1989 | US4860186 PWM controller having synchronous and asynchronous mode |
| 08/22/1989 | US4860167 Electrical switching unit |
| 08/22/1989 | US4859924 Inverter |
| 08/22/1989 | US4859921 Electronic control circuits, electronically commutated motor systems, switching regulator power supplies, and methods |
| 08/15/1989 | US4858099 Resonant inverter |
| 08/15/1989 | US4858098 Split-diode high-voltage transformer |
| 08/15/1989 | US4857806 Self-ballasted screw-in fluorescent lamp |
| 08/10/1989 | DE3902468A1 Method for regulating the control of an electromagnetic induction heating device |
| 08/10/1989 | DE3823399A1 Relief network for electronic branch pairs in a reverse-parallel circuit |
| 08/09/1989 | EP0327174A1 Circuit arrangement for deriving a direct voltage from the mains alternating voltage |
| 08/08/1989 | US4855893 Apparatus for the low-loss wiring of the semiconductor switching elements of a three-level inverter |
| 08/08/1989 | US4855889 High-tension generator circuit with very low current consumption |
| 08/08/1989 | US4855887 Current and frequency converter having means to reduce switching losses |
| 08/02/1989 | EP0326332A2 Method of operating AC drive with parallel connected DC link power converters |
| 08/02/1989 | EP0326281A2 Rectifier device for AC generator of an automobile |
| 08/02/1989 | EP0100331B1 Apparatus for securely interrupting the electric power supply from a low-frequency or direct voltage source to a load |
| 08/01/1989 | US4853837 Synchronous switching power supply with flyback converter |
| 08/01/1989 | US4853836 Snubber energy regenerating circuit |
| 08/01/1989 | US4853835 Protective apparatus for inverter |
| 08/01/1989 | US4853832 Cascaded resonant bridge converters |
| 08/01/1989 | US4853557 Automotive alternator power generator for welding or use of power tools |
| 08/01/1989 | CA1258137A1 Power supply for gas discharge devices |
| 07/27/1989 | DE3801327A1 Load-relief network for branch pairs, which are free of off-state voltage, of a multiphase converter |
| 07/26/1989 | EP0325454A2 High voltage generating circuit for light reception |
| 07/26/1989 | EP0325009A1 Self-regulating, no load protection electronic ballast system |
| 07/26/1989 | EP0324902A2 Power supply for producing a regulated voltage |
| 07/25/1989 | US4851983 KVP regulator and resonant circuit for high frequency medical x-ray generator |
| 07/25/1989 | US4851982 Apparatus for controlling an A.C. powered elevator |
| 07/20/1989 | DE3744461A1 Method for controlling a DC voltage source which supplies a multi-quadrant actuator (controller) |
| 07/19/1989 | CN2041464U Ac current transducer |
| 07/19/1989 | CN1034102A Heavy dc and pulse double-purpose electric source |
| 07/19/1989 | CN1034100A Microcomputerized process controller with three phase fully controlled bridge type pulse generator |
| 07/18/1989 | US4849950 Device for reducing the leakage noise of a power converter |
| 07/18/1989 | US4849874 Single mag amp control system for regulating bipolar voltage output of a power converter |
| 07/18/1989 | US4849873 Active snubber for an inverter |
| 07/18/1989 | US4849871 Three-phase PWM inverter with speed control and load compensation for an induction motor |
| 07/18/1989 | US4849870 Method of operating a-c drive with parallel connected d-c link power converters |
| 07/18/1989 | US4849651 Two-state, bilateral, single-pole, double-throw, half-bridge power-switching apparatus and power supply means for such electronic power switching apparatus |
| 07/13/1989 | DE3744468A1 Arrangement for producing a high voltage which is adjustable in steps |
| 07/12/1989 | CN1033917A Dc/ac bridge circuit |
| 07/11/1989 | US4847747 Commutation circuit for load-commutated inverter induction motor drives |
| 07/11/1989 | US4847746 Inverter to feed a load having an inductive component |
| 07/11/1989 | US4847745 Three phase inverter power supply with balancing transformer |
| 07/11/1989 | US4847744 Voltage converter apparatus |
| 07/11/1989 | US4847743 For receiving a dc voltage |
| 07/11/1989 | CA1257326A1 Control method for cycloconverter and control apparatus therefor |
| 07/05/1989 | EP0323173A2 Power converter device |
| 07/05/1989 | EP0322899A2 Piezo electric vibrator pump |
| 07/04/1989 | US4845607 Dual input voltage power source for selectively switching between voltage doubler rectification and full-wave rectification functions |
| 07/04/1989 | CA1256957A1 Transformer assembly and winding therefor |
| 06/29/1989 | WO1989006064A1 Dc to ac inverter with neutral |
| 06/29/1989 | WO1989006062A1 Vehicle circuit system |
| 06/29/1989 | DE3743317A1 Fahrzeugbordnetzsystem Motor vehicle electrical system |
| 06/28/1989 | EP0321865A2 Commutation-discharging, low power loss three-level inverter |
| 06/28/1989 | EP0321565A1 Alternating voltage commutator |
| 06/28/1989 | EP0321466A1 Method of and apparatus for converting radio frequency energy to direct current |
| 06/27/1989 | US4843536 AC input free power source |
| 06/27/1989 | US4843534 DC to AC switching converter with phased delayed parallel switchers |
| 06/27/1989 | US4843202 Magnetron with frequency control for power regulation |
| 06/22/1989 | DE3905701A1 Method of regulating a four-quadrant invertor in one-phase bridge circuit arrangement |
| 06/20/1989 | US4841429 Capacitive coupled power supplies |
| 06/20/1989 | US4841201 Display device including flyback transformer constructed to control leakage currents |
| 06/15/1989 | WO1989005541A1 Converter for converting a multiple phase variable frequency ac voltage into dc |
| 06/14/1989 | EP0320410A1 Control device for a static switch |
| 06/14/1989 | EP0319980A2 Apparatus for controlling a power converter |
| 06/14/1989 | EP0319910A2 Harmonics suppression control circuit for a PWM inverter |
| 06/14/1989 | CN2039477U 电压适配器 Voltage adapters |
| 06/13/1989 | US4839786 DC-DC converter |
| 06/13/1989 | CA1255763A1 Semiconductor module for a high-speed switching arrangement |
| 06/13/1989 | CA1255747A1 Fly-back bifilar secondary winding transformer power supply with a modulated pulse width voltage input |
| 06/08/1989 | DE3738694A1 Method and arrangement for controlling a pulse-controlled invertor by means of a pulse-pattern generator |
| 06/07/1989 | CN2039082U Series operating unit for a current type inverter |
| 06/07/1989 | CN2039081U Dual-purpose power supply for strong d.c. and pulse |
| 06/06/1989 | US4837671 State signal formation for indicating the transition into the bypass mode of operation in an apparatus for high-voltage D-C transmission |
| 06/01/1989 | WO1989005058A1 Integratable synchronous rectifier |
| 06/01/1989 | WO1989005057A1 High frequency rectifier with sinusshaped primary current |
| 06/01/1989 | DE3839501A1 Power supply device for an electrical load |
| 05/31/1989 | EP0318110A1 DC/AC bridge circuit |
| 05/31/1989 | EP0317783A2 Current supply device |
| 05/30/1989 | US4835668 Power supply with two output voltages |
| 05/30/1989 | US4835408 Power conversion circuit |
| 05/30/1989 | US4834504 LCD compensation for non-optimum voltage conditions |
| 05/24/1989 | DE3744463C1 Control method for a four-quadrant actuator (controller) |
| 05/24/1989 | CN1033134A Pwm controller |
| 05/24/1989 | CN1033132A Arangement for high frequency link power conversion |
| 05/23/1989 | US4833586 PWM control for power converter system utilizing pulse dropping at minimum pulse widths |
| 05/23/1989 | US4833584 Quasi-resonant current mode static power conversion method and apparatus |
| 05/18/1989 | DE3738181A1 Device for regulating the DC voltage of a mains-commutated converter |
| 05/18/1989 | DE3738180A1 Method and device for regulating the output DC voltage of a self-commutated mains converter |
| 05/18/1989 | DE3737906A1 Circuit arrangement and method for a gate-turn-off power semiconductor |
| 05/17/1989 | EP0316006A2 PWM controller |