Patents for H02M 3 - Conversion of dc power input into dc power output (54,461)
03/1986
03/18/1986CA1202075A1 Multiple output voltage switching power supply
03/18/1986CA1202074A1 Electronic switching power supply
03/18/1986CA1202073A1 Process and device for eliminating the disturbances related to the fluctuations of the load in chopped power supplies
03/13/1986WO1986001653A1 Capacitive transformer
03/11/1986US4575672 Chopped power supply converter
03/11/1986CA1201764A1 Switching regulator
03/11/1986CA1201759A1 Constant illumination circuit
03/05/1986EP0172891A1 Soft-start control for a push-pull converter-regulator with a flux balancing circuit.
03/05/1986EP0114854B1 A dc-dc converter for converting an unstabilized dc-voltage to three stabilized dc-voltages
03/04/1986CA1201478A1 Microprocessor controlled voltage regulation transformer
03/04/1986CA1201477A1 Chopping type electrical converter
02/1986
02/26/1986EP0172487A1 Power supply with free oscillating forward converter and electrically insolated control loop
02/25/1986US4573112 Switching regulator with a quiescent time period
02/18/1986US4571666 D.C-D.C. converter for converting an unstabilized D.C.-voltage to three stabilized D.C.-voltages
02/12/1986EP0170944A1 Power supply circuit of switching regulator type
02/12/1986EP0170932A1 Circuit arrangement for supplying electrical appliances via a switching-mode controller
02/12/1986CN85201386U Large-power high voltage dc contravariant power source for aerial cable motor vehicle
02/11/1986US4570211 Power supply circuit for driving a motor
02/05/1986EP0170293A1 Power supply with free oscillating forward converter without control loop
02/05/1986EP0170292A1 Power supply with free oscillating forward converter
01/1986
01/29/1986EP0169462A1 Circuit arrangement for supplying electrical appliances
01/29/1986EP0169461A1 Circuit arrangement for supplying electrical appliances with direct voltage
01/22/1986EP0168864A1 Control and output load circuit
01/21/1986US4566060 DC-to-AC Voltage converter having galvanically separated input and output(s)
01/21/1986US4566052 Overvoltage protection circuit for power supply
01/21/1986US4565951 Process and electronic device for the control and regulation of the supply current in an electric motor fed from a fixed voltage direct current source
01/21/1986US4565932 High voltage circuit for use in programming memory circuits (EEPROMs)
01/15/1986EP0168166A1 DC power supply
01/15/1986CN85201070U Micro-system for generating high-voltage
01/14/1986US4564897 Power source
01/14/1986US4564820 Blocking oscillator converter with controlling logic system
01/08/1986EP0167431A1 Drive circuit for switching with electrical isolation and infinitely variable conduction time
01/08/1986EP0167194A1 Circuit arrangement supplying the control circuit of a regulated DC voltage converter
01/08/1986EP0166968A1 Semiconductor module for a fast switching arrangement
01/07/1986US4563731 Resonant type constant voltage supply apparatus
01/07/1986CA1199062A1 Dc-to-ac voltage converter having galvanically separated input and output(s)
01/02/1986EP0166643A1 Switching power supply
12/1985
12/31/1985US4562523 Power supply
12/31/1985US4562522 Power supply for an electrostatic air cleaner with a modulated pulse width voltage input having a backup pulse width limiting means
12/31/1985US4562361 Power switching transistor drive circuit
12/31/1985CA1198771A1 Stabilizing power-supply circuit
12/24/1985US4561047 In a voltage regulator
12/24/1985US4561046 Single transistor forward converter with lossless magnetic core reset and snubber network
12/19/1985WO1985005742A1 Transformerless drive circuit for field-effect transistors
12/19/1985WO1985005730A1 Power transformer for use with very high speed integrated circuits
12/18/1985EP0165087A1 Switching mode power supply
12/17/1985US4559592 Electronic postage meter having a switching power supply employing integrated circuit timer
12/17/1985US4559591 D.C. voltage converter including a pulse width controlled semiconductor switch
12/17/1985US4559590 Regulated DC to DC converter
12/17/1985CA1198215A1 Power supply system
12/11/1985EP0164144A1 DC/DC converter
12/11/1985EP0163691A1 Switch current sensing with snubber current suppression in a push-pull converter
12/10/1985US4558230 High integrity dual input power supply
12/04/1985EP0163299A1 Converter circuit with a transformer
12/04/1985EP0088082B1 Converter with a plurality of regulated additional outputs
12/03/1985US4556838 Electronic switch
11/1985
11/27/1985EP0162374A1 Circuit arrangement for a converter
11/27/1985EP0162341A1 Electronic switching power supply
11/26/1985US4555754 Equalizer circuit for switches connected in series
11/26/1985CA1197280A1 Multiplier power supply for pulse laser
11/21/1985EP0161301A1 Series transistor chopper
11/12/1985US4553199 High frequency power supply device
11/12/1985US4553198 Power converter symmetry correction circuit
11/12/1985US4553196 Power source system for vehicular electronic device
11/12/1985US4553082 Transformerless drive circuit for field-effect transistors
11/12/1985US4553047 Regulator for substrate voltage generator
11/07/1985WO1985004992A1 Power supply for plasma display panel
11/05/1985US4551666 Quick charging apparatus
10/1985
10/29/1985US4550365 Static semi-conductor electrical energy converter apparatus
10/29/1985US4550364 Power transformer for use with very high speed integrated circuits
10/22/1985US4549257 Voltage doubler circuit
10/22/1985US4549255 DC-To-DC conversion circuit with shared regulation of outputs
10/16/1985EP0158425A1 Electrical power control apparatus
10/16/1985EP0158290A2 A wide-band high voltage amplifier for telephone exchange subscriber line interface utilizing low voltage control circuitry
10/16/1985EP0158007A1 Redundant current supply
10/16/1985EP0074392B1 Power supply diagnostic system
10/15/1985US4547842 Electrical shock prevention means for high voltage DC regulators
10/15/1985US4547705 Discharge lamp lightening device
10/09/1985EP0157729A1 DC voltage converter
10/08/1985US4546421 Flyback feedforward pulse width modulation regulator
10/08/1985US4546304 Electronic device with choke inverter
10/02/1985EP0156586A1 Switching power supply
10/01/1985US4545006 Electronic chopper circuit and a method of operation
10/01/1985US4545005 High-voltage supply for an X-ray generator
10/01/1985US4544876 Voltage regulator
09/1985
09/25/1985EP0155369A1 Flux centering and power control for high frequency switching power supplies
09/18/1985EP0155059A2 Circuit arrangement for switching the current in an inductive load
09/17/1985US4542450 Electrical converter including gain enhancing means for low gain transistors
09/17/1985US4542440 Switch current sensing with snubber current suppression in a push-pull converter
09/17/1985US4542330 Low input voltage precision DC-to-DC voltage converter circuit
09/12/1985WO1985004060A1 Soft-start control for a push-pull converter-regulator with a flux balancing circuit
09/12/1985WO1985004059A1 Flyback switching regulator
09/10/1985US4541041 Full load to no-load control for a voltage fed resonant inverter
09/10/1985US4541040 Power converting
09/10/1985US4541039 Magnetically modulated d-c to d-c forward converter power supply
09/04/1985EP0153423A1 Power FET driving circuit
09/04/1985EP0153372A1 Self-driven proportional dc-dc converter with overcurrent protection
09/03/1985CA1192952A1 Up-down voltage regulator
08/1985
08/29/1985WO1985003812A1 Module power supply
08/28/1985EP0152913A2 Circuit arrangement for a flyback converter