Patents
Sitemap › H02 - Generation, conversion, or distribution of electric power › H02M - Apparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems; Conversion of dc or ac input power into surge output power; Control or regulation thereof › H02M 3 - Conversion of dc power input into dc power output
Patents for H02M 3 - Conversion of dc power input into dc power output (54,461)
10/1984
10/23/1984US4479174 Efficiency increasing circuit for switching power supplies operating at low power levels
10/23/1984US4479164 Control for an electrostatic treater
10/23/1984CA1176706A1 Telephone line circuit
10/16/1984US4477868 High frequency series resonant dc-dc converter
10/16/1984US4477867 Pulse width modulated power supply
10/09/1984US4476399 Stabilized power source parallel operation system
10/09/1984CA1175899A1 Dc/dc converter
10/09/1984CA1175885A1 Power saving regulated light emitting diode circuit
10/03/1984EP0120417A1 Circuit arrangement for the reduction of switching losses of an electronic switch in D.C. converters
10/02/1984US4475149 Resonant current-driven power source
10/02/1984CA1175481A1 Circuit for controlling the switching frequency of scr regulators
09/1984
09/25/1984US4473875 Inductive storage pulse circuit device
09/19/1984EP0119085A2 Photoelectric brain scanner and its use
09/19/1984EP0118684A1 Current spreading circuit
09/18/1984US4472781 Power supply system
09/18/1984US4472672 High power factor switching-type battery charger
09/12/1984EP0118054A1 Switching power supply with DC input
09/12/1984EP0027450B1 Write/restore/erase signal generator for volatile/non-volatile memory system
09/11/1984US4471418 Switching power supply
09/11/1984US4471291 Stabilized device for constant-period all-or-none regulation and electric supply system incorporating said device
09/11/1984US4471289 Switching power supply circuit
09/11/1984US4471271 Self-regulating saturating core television receiver power supply
08/1984
08/29/1984EP0117198A1 Commutation procedure for feeding two independent load circuits
08/29/1984EP0116689A1 Regulated substrate voltage generator
08/29/1984EP0116643A1 Process for forming an integrated circuit capacitor.
08/28/1984US4468798 Dual charge pump envelope generator
08/28/1984US4468723 Magnetically regulated power supply
08/28/1984US4468722 Power supply having slope controlled output volt-ampere characteristic
08/28/1984CA1173503A1 Direct current control in inductive loads
08/21/1984US4467406 Ringing converter
08/21/1984US4467268 Digitally controlled power supply
08/21/1984CA1173107A1 Digital controller
08/16/1984WO1984003183A1 Chopping type electrical converter
08/15/1984EP0115792A2 Mains power supply for an apparatus with stand-by operation, in particular for a television set
08/14/1984US4466051 Regulated power supply incorporating a power transformer having a tightly coupled supplemental power transfer winding
08/08/1984EP0114854A1 A dc-dc converter for converting an unstabilized dc-voltage to three stabilized dc-voltages.
08/07/1984US4464710 Simplified d.c. to d.c. converter
08/07/1984US4464709 Current and voltage protection for a power supply circuit
08/07/1984CA1172314A1 Dual mode dc/dc converter
08/02/1984WO1984002607A3 Integrated circuit voltage multiplier
08/01/1984EP0114466A1 Improvements in or relating to DC-to-DC converters
07/1984
07/25/1984EP0113974A2 Method of and apparatus for efficient high voltage generation by resonant flyback
07/25/1984EP0074399A4 Forward converter switching at zero current.
07/25/1984EP0074391A4 Regulated power supply.
07/24/1984US4462070 DC-DC Converter provided with an AC link
07/24/1984US4462069 d.c. To d.c. voltage regulator having an input protection circuit, a d.c. to d.c. inverter, a saturable reactor regulator, and main and auxiliary rectifying and filtering circuits
07/24/1984EP0073825A4 Regulated converter with volt-balancing control circuit.
07/17/1984US4460952 Electronic rectifier/multiplier/level shifter
07/17/1984US4460949 High frequency parallel resonant dc-dc converter
07/17/1984CA1171134A1 Four quadrant ac and dc to ac and dc converter with two or more independently controlled loads
07/10/1984US4459651 Regulated flyback power supply using a combination of frequency and pulse width modulation
07/10/1984US4459539 Charge transfer constant volt-second regulator
07/10/1984US4459537 Up-down voltage regulator
07/10/1984CA1170763A1 Scr regulator control circuit
07/10/1984CA1170715A1 Transformerless noninverting buck boost switching regulator
07/05/1984WO1984002607A2 Integrated circuit voltage multiplier
07/04/1984EP0112763A1 High voltage power supply system for a load such as an X-ray generator
07/03/1984US4458199 Link regulator with feed forward switching control
07/03/1984CA1170311A1 Regulated converter with volt-balancing control circuit
06/1984
06/27/1984EP0111729A1 Circuit arrangement for supplying electricity consumers with a DC voltage
06/27/1984EP0111493A1 Circuit for regulation of the output voltage of a DC-DC converter.
06/26/1984US4456950 Current spike protection circuit for switch-mode power supplies
06/26/1984US4456949 Overlap control system for push-pull switching mode inverter power supply
06/26/1984US4456872 Signal translation apparatus
06/26/1984US4456835 Method of operating a load from alternating current mains and circuit arrangement therefor
06/21/1984WO1984002441A1 High-voltage stabilizing circuit
06/20/1984EP0111365A2 Two-mode switching power supply
06/20/1984EP0111068A1 Stepping motor driving circuit
06/19/1984US4455596 Flyback-forward boost switchmode converter
06/19/1984CA1169490A1 Propulsion motor control apparatus and method
06/12/1984US4454573 Current regulator circuit
06/12/1984US4454572 Flyback transformer with improved regulation
06/12/1984US4454571 Circuit for generating a substrate bias voltage
06/12/1984CA1169161A1 Flyback voltage control
06/05/1984US4453206 Switching-mode power supply regulator
05/1984
05/29/1984US4451902 Power source device for bubble memory unit
05/29/1984US4451876 Magnetic amplifier
05/29/1984US4451772 Passive clamp for on/off control of a capacitor charger
05/29/1984US4451743 DC-to-DC Voltage converter
05/29/1984CA1168355A1 Television receiver high voltage protection circuit
05/24/1984WO1984002041A1 High-power, high-frequency inverter system with combined digital and analog control
05/23/1984EP0108963A1 Power supply circuit for an electrostatic dust separator
05/22/1984US4450514 Switched mode power supply
05/22/1984CA1167916A1 Converter circuit employing pulse-width modulation
05/16/1984EP0108662A1 Base control circuit for a power transistor
05/16/1984EP0108336A2 High frequency x-ray generator power supply
05/15/1984US4449175 Switching regulator
05/15/1984US4449174 High frequency DC-to-DC converter
05/15/1984US4449173 Multi-output-type power supply devices using separately-exciting-type switching regulators
05/15/1984US4449075 Electroluminescent lamp driver
05/09/1984EP0107770A1 High frequency series resonant DC-DC converter
05/08/1984US4447866 Supplement to cross regulation in DC to DC converters
05/08/1984US4447841 Overcurrent protection circuit for a multiple output switching power supply and method therefor
05/08/1984US4447744 Control circuitry for high voltage solid-state switches
05/08/1984US4447695 Inverter-type power supply circuit for electrical machining
05/02/1984EP0107313A1 Resonant current-driven power source
05/02/1984EP0107003A1 High frequency parallel resonant DC-DC converter
05/01/1984CA1166708A1 Oscillator
04/1984
04/25/1984EP0106482A1 High tension DC voltage generating apparatus
04/25/1984EP0106041A1 Power supply
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