Patents for H02M 3 - Conversion of dc power input into dc power output (54,461)
12/1986
12/09/1986US4628214 Back bias generator
12/04/1986WO1986007214A1 Protection circuit for a supply unit
12/04/1986WO1986007213A1 Back bias generator
12/03/1986EP0203571A2 Static inverter including a circuit to increase the current in case of a short circuit
12/03/1986EP0203444A1 Primary switching power supply
12/03/1986EP0203419A1 Primary switching power supply
12/03/1986EP0203270A2 DC-DC converter comprising a PWM inverter producing a quasi-trapezoidal waveform, and a low losses rectifier to produce a DC output
12/03/1986EP0203138A1 Protective circuit for a hacker type dc converter
12/03/1986CN86100063A Dc to dc converter
12/02/1986US4626982 Series connected switching power supply circuit
12/02/1986US4626976 Switch mode power supply having magnetically controlled output
12/02/1986US4626768 High-speed feedback circuit with ungrounded load
12/02/1986US4626766 Circuit arrangement for feeding electrical users
11/1986
11/26/1986EP0202579A1 Power feed apparatus for load having reverse blocking characteristics
11/25/1986US4625270 RFI suppression technique for switching circuits
11/25/1986CA1214518A1 Single drive transformer with regenerative winding for pwm supply having alternately conducting power devices
11/20/1986EP0201929A1 Switching circuit
11/20/1986EP0201876A2 Series resonant converter
11/18/1986US4623960 Bias power source energized by tertiary winding including hysteresis characteristic for disabling the power switch when a minimum base drive signal can no longer be maintained
11/18/1986US4623948 Switching aid device
11/18/1986US4623789 Fiberoptic probe for brain scanning with detachable cannula guide
11/18/1986CA1214209A1 Switching voltage regulator circuit
11/12/1986CN86102439A Circuit arrangement for generating high voltage pulses
11/11/1986US4622627 Switching electrical power supply utilizing miniature inductors integrally in a PCB
11/11/1986US4622511 For regulating voltages at a pair of output terminals
11/06/1986WO1986006539A2 Voltage multiplier circuit
11/05/1986EP0200490A2 Compositions for noninvasive administration of sedatives, analgesics, and anesthetics
11/05/1986EP0199903A2 A control apparatus for rectifying circuits
11/04/1986US4621315 Recirculating MOS charge pump
11/04/1986US4621312 Switching regulator
11/04/1986US4621311 High-speed switching regulator
10/1986
10/28/1986US4620271 Circuit arrangement for feeding electrical users via a switch controller
10/28/1986CA1213366A1 Television receiver power supply regulation responding to beam current changes
10/28/1986CA1213365A1 High dc voltage generator
10/23/1986WO1986006226A1 Circuit arrangement for generating high voltage pulses
10/22/1986EP0198314A1 Protective choke for a controlled rectifier
10/21/1986US4618919 Topology for miniature power supply with low voltage and low ripple requirements
10/21/1986US4618812 Direct current power control on selectable voltage step-up and step-down
10/15/1986EP0197045A1 Circuit arrangement for the power supply of a television receiver.
10/14/1986US4617620 DC to DC converter with self-starting flyback oscillator
10/14/1986US4617533 Circuit arrangement for a blocking oscillator switching power unit
10/14/1986CA1212719A1 High frequency dc-to-dc converter
10/08/1986EP0196934A1 Control circuit for a switching power supply for various applications
10/08/1986EP0196907A2 Electrical power supplies
10/08/1986EP0196680A2 Switching regulator
10/08/1986EP0196679A2 Switching regulator
10/07/1986US4616303 Circuit for voltage multiplication
10/07/1986US4616302 Over-current sensing circuit for switching-type power supply
10/07/1986US4616301 For converting an input voltage to a different output voltage
10/07/1986US4616300 Method of and apparatus for efficient high voltage generation by resonant fly back
10/07/1986US4616142 Method of operating parallel-connected semiconductor switch elements
10/01/1986EP0195822A1 Converter device
10/01/1986EP0195801A1 Energy recovery snubber
09/1986
09/30/1986US4614962 Controlled electronic switching device for the suppression of transients
09/30/1986US4614899 Voltage regulator for pulsed voltage power supplies
09/30/1986US4614877 Apparatus for a redundant power supply
09/24/1986EP0195713A1 Switching aid device for a switch and free-wheel diode
09/24/1986CN86101356A Switching power supply
09/23/1986US4613934 Power supply for gas discharge devices
09/17/1986EP0194414A2 DC-DC converter with a plurality of regulated outputs
09/16/1986US4612610 Power supply circuit utilizing transformer winding voltage integration for indirect primary current sensing
09/16/1986US4612451 Drive circuit for driving a transistor
09/16/1986CA1211502A1 D.c. voltage converter
09/16/1986CA1211501A1 High voltage power supply
09/12/1986WO1986005333A1 Dc to dc converter
09/10/1986EP0194075A2 Switching power supply
09/10/1986EP0193723A1 Current supervision for a switching regulator
09/10/1986CN86101483A D.c. voltage inverter with several controlled outputs
09/09/1986US4611153 Chopper frequency determination apparatus
09/09/1986US4611152 High DC voltage generator
09/03/1986EP0193436A1 Control circuit for a switching power supply with a progressive start
09/03/1986EP0193435A1 Control circuit for a switching power supply with an automatic start
09/03/1986EP0193366A2 Power booster switching at zero current
09/03/1986EP0193093A2 Primary chopped forward converter
09/02/1986US4609981 Direct current converter for switched mode power supply
09/02/1986US4609980 Switching power supply with transistor drive circuit
09/02/1986US4609828 Single wire current share paralleling of power supplies
09/02/1986CA1210810A1 Supply for providing uninterruptible d-c power to a load
09/02/1986CA1210808A1 Control circuit for electronic power switches
08/1986
08/27/1986EP0192553A1 High voltage DC power supply, particularly for an X-ray-emitting tube
08/27/1986EP0192540A1 Chopper supply protected against very strong overintensities
08/26/1986US4608625 Current driven flyback power supply
08/26/1986US4608500 Electric power unit
08/20/1986EP0191482A2 DC-DC converter
08/20/1986EP0191032A1 Capacitive transformer
08/19/1986US4607323 Class E high-frequency high-efficiency dc/dc power converter
08/19/1986US4607322 Energy recovery snubber
08/19/1986US4607320 Power supply device having a switched primary power supply and control means for maintaining a constant off period and a variable on period
08/19/1986US4607319 Flyback DC/DC converter with low ripple in the output capacitor
08/19/1986US4607210 Potential free actuation circuit for a pulse duration controlled electronic power switch
08/14/1986WO1986004750A1 Harmonic-resonant power supply
08/14/1986WO1986004749A1 Multiphase dc-dc series-resonant converter
08/14/1986WO1986004724A1 Integrated circuit having a variably boosted node
08/13/1986EP0190904A2 Series resonant converter
08/13/1986EP0190493A2 Disabled diac start-up technique for a power supply
08/13/1986EP0073825B1 Regulated converter with volt-balancing control circuit
08/13/1986CN85107730A Dc/dc converter
08/12/1986US4605999 Self-oscillating high frequency power converter
08/12/1986US4605998 Switching control circuit
08/12/1986US4605997 Switch mode converter and improved deadband control therefor