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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05/13/1987 | EP0221213A1 Power enhancer |
05/12/1987 | US4665474 Method and device for rapidly determining a synchronous reference voltage for a network controlled converter |
05/12/1987 | US4665458 Acceleration power supply |
05/12/1987 | US4665322 Uninterruptible polyphase AC power supply |
05/12/1987 | CA1221742A1 Carpet seaming apparatus |
05/07/1987 | DE3539027A1 Control method and a circuit arrangement for a rectifier |
05/06/1987 | EP0220638A2 Constant voltage/frequency power supply apparatus |
05/05/1987 | US4663702 Power converter apparatus and control method thereof |
05/05/1987 | US4663700 Way of placing chokes with air core |
05/05/1987 | US4663578 Inverter control apparatus |
05/05/1987 | US4663551 Electrical machine |
05/05/1987 | CA1221407A1 Inverter control system for providing an easily filtered output |
04/29/1987 | EP0220158A1 DC/AC converter and transformer used to this effect |
04/29/1987 | CN86107452A Power failure stop circuit for a converter |
04/29/1987 | CN85108018A Converter assembly |
04/28/1987 | US4661897 Phase modulated, resonant power converting high frequency link inverter/converter |
04/28/1987 | US4661761 Internal combustion engine electrical system |
04/28/1987 | US4661748 Power supply for deflection circuit |
04/28/1987 | EP0166773A4 High frequency recovery driving system. |
04/23/1987 | WO1987002543A1 A method for pulse width regulation |
04/23/1987 | WO1987002532A1 Rfi suppression technique for switching circuits |
04/23/1987 | DE3536922A1 Self-commutated invertor having an impressed current |
04/22/1987 | EP0218983A1 AC motor control method and its control apparatus |
04/22/1987 | EP0218708A1 Circuit for producing a high direct voltage from a medium frequency alternating voltage |
04/21/1987 | US4660138 Multiple output multiple step-up rectifier circuit |
04/21/1987 | US4660134 DC-DC converter with chopping switch and transformer |
04/21/1987 | CA1220815A1 Control circuit for power converter apparatus |
04/21/1987 | CA1220814A1 Neutrally clamped pwm inverter |
04/16/1987 | DE3633638A1 Charging equipment |
04/15/1987 | EP0218414A2 Static inverter |
04/15/1987 | CN85108411A Reverse self-induction leakage circuit for pulse transformer |
04/15/1987 | CN85107271A Inverter control circuit |
04/14/1987 | US4658344 Bridge inverter having switching elements interconnected with brass busbars |
04/09/1987 | WO1987002201A1 Low voltage direct current power supply |
04/08/1987 | EP0217298A2 Self-commutated power converter |
04/08/1987 | EP0067163B1 Linear full wave rectifier circuit |
04/08/1987 | CN85107270A Control device for inverter |
04/08/1987 | CN85102022A Ultra-high voltage pulsating direct-current supply |
04/07/1987 | US4656572 PWM inverter |
04/07/1987 | US4656571 Frequency converting device and control method therefor |
04/07/1987 | CA1220249A1 Frequency stabilized automatic gain controlled ballast system |
04/02/1987 | DE3533174A1 Voltage follow-up of a current regulator |
04/01/1987 | EP0216358A2 Power cut detection apparatus for power converter |
04/01/1987 | EP0216263A2 Security apparatus for power converter |
04/01/1987 | EP0215917A1 Arc suppression technique |
04/01/1987 | EP0111567B1 Apparatus for processing regenerative energy of ac motor |
03/31/1987 | US4654776 Cut-off amplifier |
03/31/1987 | US4654773 Inverter control circuit |
03/31/1987 | US4654573 Power transfer device |
03/25/1987 | EP0215362A2 AC power supply device |
03/25/1987 | EP0215090A1 Electrical power source |
03/24/1987 | US4652986 Vital inverter driver |
03/24/1987 | US4652985 Input regulated high voltage D.C. power supply system |
03/24/1987 | US4652902 Power semiconductor device |
03/24/1987 | US4652770 Power source device for a load with a stand-by power supply system |
03/18/1987 | EP0214153A1 A low voltage power source power inverter for an electroluminescent device |
03/17/1987 | US4651270 Delay circuit for inverter switches |
03/17/1987 | US4651268 Multiple step-up rectifier circuit |
03/17/1987 | US4651267 Proportional base drive circuit for transistorized bridge inverter |
03/11/1987 | CN86105421A Ac power supply device |
03/11/1987 | CN85106848A Method of controlling the converter drive type inductive motor |
03/11/1987 | CN85106529A Direct current high-voltage generator |
03/10/1987 | US4649468 Voltage divider circuit |
03/10/1987 | US4649467 High efficiency MOSFET sine wave generator |
03/04/1987 | EP0212817A1 Improvements in or relating to invertors |
03/04/1987 | EP0212576A2 Power generator suitable for welding and operating power tools |
03/04/1987 | EP0212172A1 Current oscillations compensation method and device |
03/04/1987 | EP0212155A1 Voltage converter |
03/04/1987 | CN86204038U Magnet telephone with emergency function |
03/04/1987 | CN85102181A Experimental supply |
03/03/1987 | US4648018 Method and apparatus to operate a high-voltage DC transmission system (HVDC) with automatic control of the converters |
03/03/1987 | CA1218697A1 Compact voltage multiplier for spray guns |
02/26/1987 | DE3529591A1 Method and device for operating an invertor |
02/25/1987 | EP0211796A2 High efficiency mosfet sine wave generator |
02/25/1987 | CN86202047U Multipurpose daylight reading-lamp |
02/24/1987 | US4646222 Inverter provided with an overvoltage clamping circuit |
02/24/1987 | US4646221 Control circuit for inverter |
02/24/1987 | CA1218410A1 Constant current drive for switching power supply |
02/24/1987 | CA1218409A1 Pulse width modulated inverter for unbalanced and variable power factor loads |
02/24/1987 | CA1218408A1 Ripple reduction circuit for an inverter |
02/19/1987 | DE3528839A1 Mains connection circuit |
02/17/1987 | US4644459 Electronic inverter having magnitude-controllable output |
02/17/1987 | US4644457 High-frequency high-voltage power supply |
02/17/1987 | US4644243 Static switches firing system |
02/17/1987 | US4644241 Single phase to three phase signal converter |
02/17/1987 | US4644240 Method and apparatus for controlling reverse-conducting GTO thyristor |
02/12/1987 | WO1987000991A1 High power electronic voltage converter-reducer |
02/10/1987 | US4642748 Monitoring switch mode converter performance utilizing duty cycle |
02/04/1987 | EP0210310A1 Gain controlled electronic ballast system |
02/04/1987 | EP0210242A1 Direct voltage supplied circuit for generating voltages and/or currents with different curve form and/or different frequency and/or different polarity |
02/03/1987 | US4641330 High voltage supply circuit for an x-ray tube |
02/03/1987 | US4641233 AC to DC converter with voltage regulation |
02/03/1987 | US4641232 Electrical power inverter having a phase modulated, twin-inverter, high frequency link and an energy storage module |
02/03/1987 | US4641230 Pulse absorption circuit for power source circuit |
02/03/1987 | US4641075 Method of and apparatus for controlling current of inverter |
02/03/1987 | US4641042 Power supply system and a control method thereof |
01/29/1987 | DE3526836A1 Method and device for reducing the losses during operation of a pulse-controlled invertor |
01/28/1987 | EP0209944A1 Static device for regulating energy exchange between generator or receptor systems |
01/28/1987 | CN86105717A Base exciting circuit for transistor converter |
01/27/1987 | US4639850 Power converter device |