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)
12/1994
12/13/1994	US5373432 Fixed frequency DC to DC converter with a variable inductance controller
12/13/1994	US5373195 Technique for decoupling the energy storage system voltage from the DC link voltage in AC electric drive systems
12/08/1994	WO1994028629A1 Negative voltage generator for flash eprom design
12/08/1994	WO1994028560A1 Power coupling
12/07/1994	EP0627871A1 Electronic supply for igniting and operating a high-pressure discharge lamp
12/07/1994	EP0627807A2 Power line connection circuit and power line switch IC for the same
12/06/1994	US5371754 Laser gyro single transformer power supply
12/06/1994	US5371705 Internal voltage generator for a non-volatile semiconductor memory device
12/06/1994	US5371667 Electric power supply
12/01/1994	DE4319024A1 Circuit arrangement for an AC/DC converter (rectifier) with potential isolation for feeding one or more loads with a Zener diode characteristic
12/01/1994	DE4317154A1 Circuit for driving a switching transistor
11/1994
11/30/1994	EP0626750A1 Power supply voltage booster
11/29/1994	US5369564 Phase-difference synchronization controlling circuit of parallel switching mode power supply
11/29/1994	US5369472 Microprocessor controlled high voltage power supply
11/29/1994	US5369340 Driving scheme for a high intensity discharge ballast down converter
11/29/1994	US5369307 Switching power source
11/24/1994	WO1994027356A1 Resonant unity power factor converter
11/24/1994	WO1994027355A1 Dc-dc converter circuit and inductive-load driving apparatus using the same
11/24/1994	DE4327767A1 Portable searchlight (spotlight)
11/23/1994	EP0625820A2 DC converter
11/23/1994	EP0625291A1 A boost-converter with low losses.
11/22/1994	US5367489 Voltage pumping circuit for semiconductor memory devices
11/22/1994	US5367448 Three phase AC to DC power converter
11/22/1994	US5367447 Signal separation circuit
11/22/1994	US5367247 Critically continuous boost converter
11/17/1994	DE4315906A1 Power supply circuit
11/16/1994	CN1095189A Boosting circuit device capable of pre-pumping and semiconducotr memory device
11/15/1994	US5365421 Pulse transformer having plural simultaneously operable primary windings and a single secondary winding
11/15/1994	US5365419 Switching DC converter
11/15/1994	US5365407 DC power supply device with printed-circuit board having ground pattern
11/15/1994	US5365141 Piezoelectric transformer and method for driving the same
11/15/1994	US5365121 Charge pump with controlled ramp rate
11/15/1994	US5364801 Method of forming a charge pump circuit
11/10/1994	DE4415940A1 Apparatus and method for safety control having an analog power output
11/10/1994	DE4337229C1 Power-feeding device
11/09/1994	CN1094871A Step type complex voltage manipulator for low-heat-loss and sparkless battery unit
11/08/1994	US5363323 Power supply with plural outputs supplying dynamic and steady loads
11/08/1994	US5363289 Control apparatus for limiting voltage on a core reset capacitor
11/08/1994	US5363287 Low noise multi-output and multi-resonant forward converter for television power supplies
11/02/1994	EP0622976A2 Ballasting network with integral trap
11/02/1994	EP0622891A2 Low loss synchronous rectifier for application to clamped-mode power converters
11/02/1994	EP0622890A2 Switching power supply system for remotely controllable television receivers or the like
11/02/1994	EP0622889A2 Low power pre-regulator power supply circuit
11/02/1994	EP0622537A1 Single board engine controller power supply
11/02/1994	EP0621992A1 Feedback circuit for cmos high voltage generator to program (e)eprom-memory cells
11/02/1994	EP0621991A1 High voltage generator having output current control.
11/01/1994	US5360959 Direct current resistance welding machine and method of controlling the same
10/1994
10/31/1994	EP0639887A4 Secondary electric power source based on motovilov's transformers.
10/31/1994	CA2122218A1 Single board engine controller power supply
10/28/1994	CA2114990A1 Ballasting network with integral trap
10/28/1994	CA2114921A1 High voltage switching circuit
10/27/1994	DE4413674A1 Power supply control system for portable data processing devices and method of controlling this system
10/27/1994	DE4412744A1 Tripping preliminary regulator circuit for minimising the power loss of in-phase regulators of multi-voltage switched-mode power supplies
10/26/1994	EP0621679A1 Method of conversion for DC voltages
10/26/1994	CN1093961A Inverter power supply for welding
10/25/1994	US5359299 High speed and low drift charge pump circuit
10/25/1994	US5359280 Bilateral power converter for a satellite power system
10/25/1994	US5359279 Pulsed electrical energy power supply
10/25/1994	US5359278 Zero current switching circuit and converting apparatus using the same
10/25/1994	US5359274 Active offset for power factor controller
10/20/1994	DE4412544A1 Power supply system with a high power factor
10/19/1994	EP0518911B1 Circuits for the separate potential transmission of pulses of any length or frequency for driving transitor circuits
10/18/1994	US5357419 Compact and efficient transformerless power conversion system
10/18/1994	US5357418 Hybrid power supply for converting an alternating input signal into a direct output signal
10/18/1994	US5357415 Switching regulator having at least one regulated output voltage
10/13/1994	WO1994023488A1 Snubber
10/13/1994	DE4327073C1 Chopper circuit for DC-isolated transmission of bipolar measurement currents
10/12/1994	EP0598849A4 Low power switching power supply circuits and methods.
10/11/1994	US5355301 One-chip type switching power supply device
10/11/1994	US5355300 Voltage converter
10/11/1994	US5355294 Unity power factor control for dual active bridge converter
10/11/1994	US5355293 Low-voltage DC power supply
10/11/1994	US5355077 High efficiency regulator with shoot-through current limiting
10/11/1994	US5354972 Power supply for a microwave range
10/06/1994	DE4310748A1 Switching controller
10/06/1994	DE4306070C1 Circuit arrangement for driving the switching elements of a step-up/step-down voltage transformer
10/05/1994	EP0618678A2 Digital pulse width modulator circuit with proportional dither
10/05/1994	EP0618666A2 DC/DC conversion circuit
10/05/1994	EP0618665A2 Feedback limited duty cycle switched mode power supply
10/04/1994	US5353213 Circuit configuration for a self-oscillating blocking oscillator switched-mode power supply
10/04/1994	US5353212 Zero-voltage switching power converter with ripple current cancellation
10/04/1994	US5352931 Multi-voltage control circuit of tree branch network
10/04/1994	US5352861 Resonant high-voltage pulser for arcjet thruster ignition
09/1994
09/29/1994	WO1994022208A1 Frequency shift circuit for switching regulator
09/29/1994	WO1994022207A1 A method for limiting the output current of a switched-mode power supply of flyback type in overload situations, and a switched-mode power supply of flyback type
09/29/1994	DE4328557C1 Method for compensating for ageing phenomena of a tube and an arrangement
09/29/1994	DE4309202A1 Circuit for a microwave oven
09/28/1994	EP0617501A1 Control circuit and method for maintaining high efficiency over broad current ranges in a switching regulator circuit
09/28/1994	EP0616740A1 Dc-to-dc converter.
09/28/1994	CN1092912A A switching power source apparatus
09/28/1994	CN1092911A Stepping multivoltage control circuit unit combined by common divisor
09/27/1994	US5351177 Switch mode power supply with standby mode operation
09/27/1994	US5351175 Inverter power supply for welding
09/22/1994	DE4324855C1 Charge pump
09/22/1994	DE4308503A1 Switching controller, in particular for operation on loads having a capacitive component
09/21/1994	EP0616413A2 Power supply comprising at least two switching bridges
09/21/1994	EP0616408A1 Graded multi-voltage control circuit
09/21/1994	EP0616407A1 Graded multi-voltage control circuit
09/21/1994	EP0616329A2 Voltage booster circuit
09/21/1994	EP0615668A1 Regulator for pumped voltage generator

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