| Patents for H02M 3 - Conversion of dc power input into dc power output (54,461) |
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| 01/17/1990 | EP0350767A1 Audio winding bridging an air gap |
| 01/17/1990 | EP0350624A2 Control circuit for stabilizing the output voltage of a power supply |
| 01/17/1990 | CN1038914A Power supply fault protection circuit |
| 01/16/1990 | US4894765 Bi-directional d.c./d.c. converter compatible with an inverter bridge |
| 01/16/1990 | US4894520 Circuit for controlling power dissipated by an electrical resistance |
| 01/10/1990 | EP0350462A2 Regulation of the output voltage of a voltage multiplier |
| 01/10/1990 | EP0350301A2 Current limited DC power controller |
| 01/10/1990 | EP0350300A2 Solid state power controller |
| 01/10/1990 | EP0350299A2 Bi-directional DC power controller with fault protection |
| 01/10/1990 | EP0350297A2 Improved high frequency switching in coupled inductor power supplies |
| 01/10/1990 | EP0350191A2 Push pull resonant flyback switchmode power supply converter |
| 01/10/1990 | CN1038726A Switch type power supply with protective arrangement for limiting output voltage |
| 01/09/1990 | US4893228 High-efficiency programmable power supply |
| 01/09/1990 | US4893227 Push pull resonant flyback switchmode power supply converter |
| 01/04/1990 | DE3821987A1 Switched-mode power supply for the isolated power supply of DC consumers |
| 01/03/1990 | EP0349495A2 CMOS voltage multiplier |
| 01/03/1990 | EP0349080A1 Switched-mode power supply circuit |
| 01/03/1990 | EP0348447A1 Process and device for preventing interference of transients in a buck cell |
| 01/03/1990 | CN1038554A High-voltage generator with low current loss |
| 01/03/1990 | CN1006349B Circuit arrangement for producing a.c. voltage |
| 01/03/1990 | CN1006347B D.c. voltage inverter with several controlled outputs |
| 01/02/1990 | US4891746 Method of optimizing the efficiency of a high frequency zero voltage switching resonant power inverter for extended line and load range |
| 01/02/1990 | US4891740 DC power supply with digitally controlled power switch |
| 01/02/1990 | US4891707 Television receiver with a controlled, line-separating, switched external-power supply |
| 12/27/1989 | CN1038341A Explosion-proof and explosion-insulation blaster |
| 12/26/1989 | US4890217 Universal power supply, independent converter stages for respective hardware components of a computerized system |
| 12/26/1989 | US4890214 Start circuit for adapting a constant current generator to a wide variety of loads |
| 12/26/1989 | US4890210 Power supply having combined forward converter and flyback action for high efficiency conversion from low to high voltage |
| 12/26/1989 | US4890021 Noise spike elimination circuit for pulse width modulators |
| 12/26/1989 | US4890020 Circuit for driving a semiconductor device with protection against transients |
| 12/26/1989 | US4890009 Monolithic integrated circuit device |
| 12/20/1989 | EP0347343A1 AC/DC converter and its use in a telephone apparatus |
| 12/20/1989 | EP0347322A1 Stable power supply with a low ripple ratio |
| 12/20/1989 | EP0346849A2 Switching power supply with protection for limiting of output voltage |
| 12/20/1989 | EP0346478A1 Switching regulator |
| 12/20/1989 | CN1038191A Voltage level conversion circuit |
| 12/19/1989 | US4888821 Synchronization circuit for a resonant flyback high voltage supply |
| 12/19/1989 | US4888677 Three reservoir capacitor |
| 12/19/1989 | US4888673 High voltage DC power supply |
| 12/19/1989 | US4888672 Starting circuit of self-excited inverter |
| 12/19/1989 | US4888505 Voltage multiplier compatible with a self-isolated C/DMOS process |
| 12/14/1989 | WO1989012348A1 Voltage drop detector circuit |
| 12/13/1989 | EP0345679A2 A power supply fault protection circuit |
| 12/13/1989 | EP0345624A1 Circuit arrangement for drawing a practically sinusoidal current with network frequency from the network and for transferring this electric energy into a galvanically coupled DC/DC system |
| 12/12/1989 | US4887199 Start circuit for generation of pulse width modulated switching pulses for switch mode power supplies |
| 12/12/1989 | US4887021 Precision noise spike elimination circuit for pulse width modulators and PWM inverters |
| 12/12/1989 | US4886951 Power supply for a magnetron having a rectifying circuit, switching circuit, and transformer |
| 12/06/1989 | EP0344502A2 Circuit arrangement to compensate for interference |
| 12/05/1989 | US4885675 Transformer isolated AC to DC power conditioner with resistive input current |
| 12/05/1989 | US4885674 Synthesis of load-independent switch-mode power converters |
| 12/05/1989 | US4885673 Demagnetization monitoring device for a switching power supply with a primary and a secondary regulation |
| 12/05/1989 | US4885672 Voltage regulating device |
| 12/05/1989 | US4885671 Pulse-by-pulse current mode controlled power supply |
| 12/05/1989 | CA1263701A1 Power interface circuit with control chip powered from power chip |
| 12/05/1989 | CA1263700A1 Frequency controlled resonant regulator |
| 11/30/1989 | WO1989011691A1 Ac to dc power converter with input current waveform control |
| 11/29/1989 | EP0344067A1 Linearisation process for a DC-DC converter, and method for carrying it out |
| 11/29/1989 | EP0343855A2 Zero voltage switching half bridge resonant converter |
| 11/29/1989 | EP0343536A1 Circuit for controlling the power supply of an electrical load, having a device for detecting a short-circuit of the load |
| 11/29/1989 | EP0343222A1 Ac to dc power converter with integrated line current control |
| 11/28/1989 | US4884186 Power supply with reduced switching losses |
| 11/28/1989 | US4884183 Dual-mode controlled pulse width modulator |
| 11/28/1989 | US4884180 Regulated direct-current converter |
| 11/23/1989 | EP0342581A1 Voltage level conversion circuit |
| 11/23/1989 | EP0342550A2 Switching regulator |
| 11/23/1989 | DE3816536A1 Method and device for regulating a direct current using D.C. controllers connected in parallel |
| 11/21/1989 | US4882666 High frequency high voltage power supply with controlled output power |
| 11/21/1989 | US4882665 High frequency, high power, power supply |
| 11/21/1989 | US4882663 MOSFET flyback converter |
| 11/21/1989 | CA1263142A1 Buck boost switching regulator with duty cycle limiting |
| 11/14/1989 | US4881023 Hybrid high speed voltage regulator with reduction of miller effect |
| 11/14/1989 | US4881014 Stabilized electric power apparatus for generating direct and alternating current simultaneously in one transformer |
| 11/08/1989 | EP0183720B1 Transformerless drive circuit for operating a field-effect transistor switch |
| 11/07/1989 | US4879762 Optical repeater and regulated current feeding system for the same |
| 11/07/1989 | US4879504 Digital switching voltage regulator having telescoped regulation windows |
| 11/02/1989 | WO1989010654A1 High frequency matrix transformer |
| 11/02/1989 | DE3912849A1 Electrical power supply unit |
| 10/31/1989 | US4878164 Power supply gradually developing an output voltage when switched on |
| 10/31/1989 | US4877982 MOSFET turn-on/off circuit |
| 10/26/1989 | DE3812861A1 Intrinsically safe current supply device |
| 10/25/1989 | EP0338254A2 Circuit arrangement for compensating disturbances |
| 10/24/1989 | US4876638 Low-noise switching power supply having variable reluctance transformer |
| 10/24/1989 | US4876636 Switching power supply having an emergency mode regulating voltage on the primary side |
| 10/24/1989 | US4876635 Series resonant inverter with lossless snubber-resetting components |
| 10/19/1989 | WO1989010025A1 Device for producing a magnetic field in an atomic absorption spectrometer |
| 10/19/1989 | WO1989010024A1 Arrangement for controlled energy transfer for electrical supply, especially for reducing switching transients |
| 10/19/1989 | DE3811446A1 Einrichtung zur erzeugung eines magnetfeldes in einem atomabsorptions-spektrometer Means for generating a magnetic field in an atomic absorption spectrometer |
| 10/19/1989 | DE3809090A1 Isolating converter having a pulse-width modulator |
| 10/18/1989 | EP0336952A1 A dc to dc power converter |
| 10/17/1989 | US4875001 Electronic switching power supply with a choke converter |
| 10/17/1989 | CA1262380A1 Propulsion motor control apparatus and method |
| 10/12/1989 | DE3810431A1 Selbstgefuehrter gegentakt-wechselrichter Self-Guided balanced-inverter |
| 10/11/1989 | EP0336849A1 Method for voltage regulation of a voltage signal, particularly for x-ray tube |
| 10/11/1989 | EP0336725A2 Switching power supply |
| 10/11/1989 | EP0336392A2 Self-oscillating single-ended converter, and method of operating same |
| 10/10/1989 | CA1262259A1 Power supply and oscillator therefor |
| 10/10/1989 | CA1262258A1 Resonant rectifier circuit |
| 10/05/1989 | WO1989009510A1 Automatically guided push-pull inverter |
| 10/05/1989 | DE3810225A1 Circuit arrangement for current and voltage regulation of a switched-mode power supply |
| 10/04/1989 | EP0335194A1 Process for limiting the output current of a supply circuit |