| Patents for H02M 3 - Conversion of dc power input into dc power output (54,461) |
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| 03/29/1988 | US4734771 Start-up control circuitry for a television apparatus |
| 03/29/1988 | US4734658 Low voltage driven oscillator circuit |
| 03/29/1988 | US4734636 Resonant switching regulator |
| 03/29/1988 | US4734599 Circuit for multiplying a pump clock voltage |
| 03/29/1988 | CA1234646A1 Wideband high voltage amplifier for telephone exchange subscriber line interface utilizing low voltage control circuitry |
| 03/29/1988 | CA1234598A1 Off-line switching mode power supply |
| 03/23/1988 | EP0260963A2 Inverter-type resistance welding machine |
| 03/23/1988 | EP0260825A2 High voltage power supply particularly adapted for a TWT |
| 03/23/1988 | EP0260776A2 Line frequency switching power supply |
| 03/22/1988 | US4733159 Charge pump voltage regulator |
| 03/22/1988 | US4733104 Integrated circuit for controlling power converter by frequency modulation and pulse width modulation |
| 03/16/1988 | EP0259889A2 Switching regulator type power supply circuit |
| 03/16/1988 | EP0259775A2 Circuit arrangement for limiting, regulating and in some cases interrupting the collector current of the switching-transistor in the primary circuit of a switching power supply |
| 03/15/1988 | US4731721 Regulated high-voltage power supply with output shorting prevention |
| 03/15/1988 | US4731720 High-voltage power source apparatus |
| 03/15/1988 | US4731719 Current boosted switching regulator |
| 03/15/1988 | US4731565 High voltage generator for television apparatus |
| 03/15/1988 | CA1234210A1 Primary switched-mode power supply unit |
| 03/10/1988 | WO1988001806A1 Switching power source device |
| 03/10/1988 | WO1988001805A1 Switching circuit |
| 03/10/1988 | WO1988001791A1 Magnetic material biasing method and apparatus |
| 03/08/1988 | US4730244 Power supply |
| 03/08/1988 | US4730243 EMI reduction circuit |
| 03/08/1988 | US4730241 Laminated hybrid integrated DC-DC converter |
| 03/08/1988 | US4730125 Arrangement for synchronizing the pulse-width-modulated clock signals of several clocked direct voltage converters |
| 03/08/1988 | CA1233874A1 Chopper frequency determination apparatus |
| 03/02/1988 | EP0257817A2 Resonant rectifier circuit |
| 03/02/1988 | EP0257810A2 DC to DC converter |
| 03/02/1988 | EP0257404A2 Power conversion with reduced switching loss |
| 03/02/1988 | EP0257403A2 Inductor current control circuit |
| 03/02/1988 | EP0257101A1 Switching regulator |
| 03/02/1988 | EP0257089A1 Switching mode power supply start circuit |
| 03/02/1988 | EP0257041A1 Emi reduction circuit |
| 03/01/1988 | US4729088 Regulated high frequency power supply |
| 03/01/1988 | US4729086 Power supply system which shares current from a single redundant supply with multiple segmented loads |
| 03/01/1988 | US4729085 Frequency limited resonant regulator useful in, for example, a half-bridge inverter |
| 03/01/1988 | US4727874 Electrosurgical generator with high-frequency pulse width modulated feedback power control |
| 02/25/1988 | DE3640705C1 Circuit arrangement for driving the switching element of a delta-connected isolating transformer |
| 02/25/1988 | DE3628138A1 Switched-mode regulator |
| 02/25/1988 | DE3627862A1 Circuit arrangement for generating a voltage |
| 02/25/1988 | DE3627671A1 Method for reducing the interference current in a switched-mode power supply |
| 02/24/1988 | EP0256231A2 Control circuit for a switching power supply with a sinusoidal input current for transforming a sinusoidal AC voltage into a regulated DC voltage |
| 02/24/1988 | CN87104538A Improved scr priming and sweep-out circuit |
| 02/23/1988 | US4727469 Control for a series resonant power converter |
| 02/23/1988 | US4727463 Power supply device comprising means for modulating the output thereof |
| 02/23/1988 | US4727308 FET power converter with reduced switching loss |
| 02/18/1988 | DE3627858A1 Method and circuit arrangement for generating a voltage for supplying electronics on the secondary side of DC-decoupled switched-mode power supplies |
| 02/17/1988 | EP0255839A1 Switched mode power supply for television sets. |
| 02/16/1988 | US4725940 Quantized duty ratio power sharing converters |
| 02/16/1988 | US4725938 High voltage resonant DC/DC converter |
| 02/16/1988 | US4725937 Low power dissipation analog current loop output circuit |
| 02/16/1988 | US4725936 High-voltage stabilizing power supply apparatus with an improved inductive noise compensation |
| 02/16/1988 | US4725769 Current limited for constant current for switching driving devices |
| 02/16/1988 | US4725768 Switching regulated power supply employing an elongated metallic conductive inductor having a magnetic thin film coating |
| 02/16/1988 | US4725735 Power supply for electrical detectors particularly for gamma radiation monitors |
| 02/16/1988 | CA1232953A1 Circuit for generating a substrate bias |
| 02/03/1988 | EP0255326A2 Current mode control arrangement with load dependent ramp signal added to sensed current waveform |
| 02/03/1988 | EP0255258A2 Digitally controlled A.C. to D.C. power conditioner that draws sinusoidal input current |
| 02/03/1988 | EP0255067A1 Current limitation circuit arrangement |
| 02/03/1988 | EP0254875A2 Circuit arrangement for the supply of current to electronic devices |
| 01/28/1988 | WO1988000768A1 Dc to dc converter current pump |
| 01/27/1988 | EP0253978A1 Electric transformer |
| 01/26/1988 | US4722041 Switching regulator |
| 01/26/1988 | US4721900 Self-generated converter filter |
| 01/21/1988 | DE3622990A1 Step-up switched-mode regulator (switching controller, on-off controller, chopper type regulator) |
| 01/21/1988 | DE3622986A1 Switched-mode power supply for producing a plurality of operating voltages which are isolated from the mains |
| 01/20/1988 | EP0253533A2 A circuit arrangement for producing high voltages |
| 01/20/1988 | EP0253432A1 Energy converter |
| 01/19/1988 | US4720775 Inverter having saturating current transformer core for maintaining inverter current above minimum predetermined level |
| 01/19/1988 | US4720668 Zero-voltage switching quasi-resonant converters |
| 01/19/1988 | US4720667 Zero-current switching quasi-resonant converters operating in a full-wave mode |
| 01/14/1988 | WO1988000408A1 Process for operating a switching controller and switching controler operating according to this process |
| 01/13/1988 | EP0252557A1 DC-supply arrangement for a telecommunication line |
| 01/13/1988 | EP0252165A1 Switching power supply |
| 01/12/1988 | US4719552 AC-DC converter triggered by variable frequency pulses |
| 01/07/1988 | EP0251428A2 SCR priming and sweep-out circuit apparatus |
| 01/07/1988 | EP0125278B1 Power supply having a dc imput power source and pulsed current supplying stages |
| 01/05/1988 | US4717997 Abnormal condition detective circuit for a switching regulator |
| 01/05/1988 | US4717996 Gated parallel power switching devices protection circuit |
| 01/05/1988 | US4717994 Current mode control for DC converters operating over 50% duty cycle |
| 01/05/1988 | US4717833 Single wire current share paralleling of power supplies |
| 01/05/1988 | CA1231131A1 Disabled diac start-up technique |
| 12/31/1987 | CN87204355U Transistor dc transformer |
| 12/29/1987 | US4716514 Synchronous power rectifier |
| 12/29/1987 | US4716510 Automatic restart circuit for a switching power supply |
| 12/29/1987 | US4716509 PWM inverter with trapezoidal output |
| 12/29/1987 | US4716488 Primary switched-mode power supply unit |
| 12/29/1987 | US4716353 Battery charger |
| 12/23/1987 | CN86209677U Electric sourse with high-voltage thyristor switch used for trolley bus |
| 12/22/1987 | US4714978 Power supply for a.c. corotrons |
| 12/22/1987 | CA1230652A1 Power transformer for use with very high speed integrated circuits |
| 12/17/1987 | WO1987007786A1 Self-oscillating high frequency power converter |
| 12/17/1987 | DE3719713A1 Control device for an image reproduction device |
| 12/16/1987 | EP0249271A2 DC-DC forward converter |
| 12/16/1987 | EP0249259A1 Power-supply circuit |
| 12/16/1987 | CN86208073U Transformer for ac and dc |
| 12/15/1987 | US4713838 Amplifier with double rail output |
| 12/15/1987 | US4713742 Dual-inductor buck switching converter |
| 12/15/1987 | CA1230389A1 Integrated circuit having a variably boosted node |
| 12/10/1987 | DE3619256A1 Switched-mode regulator |