Patents for H02M 3 - Conversion of dc power input into dc power output (54,461)
06/1996
06/12/1996EP0716561A1 X-ray apparatus with a power supply unit for an x-ray tube
06/12/1996EP0716368A1 Charge pump voltage multiplier circuit with control feedback and corresponding method
06/12/1996EP0715779A1 Circuit arrangement
06/11/1996US5526253 Low power voltage boost circuit with regulated output
06/05/1996EP0715399A2 Chopper-type regulator circuit and chopper-type regulator IC
06/05/1996EP0664935B1 Process for operating a voltage converter, voltage converter and its use
06/04/1996US5524266 Computer system
06/04/1996US5523940 Feedback control circuit for a synchronous rectifier having zero quiescent current
06/04/1996US5523936 Built-in input filter forward converter
06/04/1996US5523935 AC/DC voltage converter
06/04/1996US5523676 Sample and hold method and apparatus for sensing inductive load current
05/1996
05/30/1996WO1996016468A1 High power switched capacitor voltage conversion and regulation apparatus
05/30/1996DE4441214A1 Active filter circuit supporting or replacing smoothing capacitor for DC power supply
05/30/1996DE19542392A1 HV power supply e.g. for photocopier or printer
05/29/1996EP0714225A1 Suppressor for an electronic ballast in a discharge lamp
05/29/1996EP0714160A2 A high efficiency boost topology with two outputs
05/29/1996EP0713614A1 Power supply comprising means for improving the power factor
05/29/1996EP0664936B1 Arrangement with a d.c.-d.c. converter for switching operation
05/28/1996US5521871 Voltage boosting circuit of a semiconductor memory circuit
05/28/1996US5521811 High efficiency AC to DC power conversion system
05/28/1996US5521808 Method and circuitry for controlling start-up characteristics of a magnetic amplifier control circuit
05/28/1996US5521807 DC-To-DC converter with secondary flyback core reset
05/28/1996US5521782 Ground fault detection system in a power supply for an electromagnetic riveting apparatus
05/28/1996US5521547 Boost voltage generating circuit
05/28/1996US5521488 Voltage regulator and method therefor
05/23/1996WO1996015579A1 Switching power converter
05/23/1996WO1996015578A1 Dc-dc converter circuit and inductive load driver using it
05/23/1996DE4441491A1 Control of single-phase bridge inverter circuit
05/22/1996EP0712603A2 A self-powered interface circuit for use with a transducer sensor
05/22/1996EP0712547A1 Power supply with improved efficiency, transmitter comprising such a power supply
05/22/1996EP0712546A1 Pulse width modulated dc-to-dc boost converter
05/22/1996CN1123067A DC-DC converter circuit and inductive-load driving apparatus using the same
05/22/1996CN1122965A Power fimiting regulator
05/22/1996CN1122943A Voltage boosting circuit of a semiconductor memory device
05/21/1996US5519889 Method and apparatus to conceal RF interference in AM radio reception caused by a switch mode power supply
05/21/1996US5519711 Switch-mode power supply for time division multiple access radio phone systems
05/21/1996US5519599 Control of switching devices in synchronized-rectification system
05/21/1996US5519307 DC/DC converter for outputting multiple signals
05/21/1996US5519306 Constant voltage circuit and a stabilized power supply unit
05/17/1996WO1996014498A1 A device for exhaust silencers of endothermic engines, with electrostatic field
05/15/1996EP0712200A2 Power supply outlet
05/15/1996DE4438671C1 Schaltungsanordnung zur Ansteuerung eines Umrichters Circuit arrangement for driving a converter
05/15/1996CN1122530A Switching power supply
05/14/1996US5517400 Method for synchronizing converters of an inductive element for reversible energy transmission
05/14/1996US5517399 Power supply having a chopper with an improved power factor
05/14/1996US5517397 Flyback power converter with spike compensator circuit
05/14/1996CA2063750C Switching regulator
05/09/1996WO1996013966A1 Current supply module for mounting on a component-carrying printed circuit board
05/09/1996WO1996013893A1 Circuit for driving a converter
05/09/1996DE4439787A1 Circuit voltage shifting method for e.g. analogue=to=digital converter
05/08/1996EP0711027A1 Switch control in quantized power converters
05/08/1996EP0711026A1 Circuit and method for reducing a gate voltage of a transmission gate within a charge pump circuit
05/08/1996EP0710428A1 Device for feeding an electric load
05/07/1996US5515263 For controlling a voltage
05/07/1996US5515257 AC-DC converter
05/07/1996US5515256 Self exciting type switching power supply circuit
05/07/1996US5514995 PCMCIA power interface
05/07/1996US5514994 Bootstrap circuit
05/07/1996US5514951 Supply-discriminating supply-adaptive electronic system
05/07/1996US5514947 Phase lead compensation circuit for an integrated switching regulator
05/07/1996US5514942 Circuit arrangement for powering control circuitry and driving an inductive load from a single DC source
05/07/1996US5514921 For a switching converter
05/07/1996US5514916 Power unit with controlled sparking
05/02/1996WO1996013092A1 Switched power supply
05/02/1996DE4438388A1 Self-oscillating transformer-type DC=DC converter
05/02/1996DE4438387A1 Switched power regulator with electrical isolation
05/01/1996EP0709949A2 DC/DC converter for power feeding
05/01/1996EP0709948A1 DC-DC converter functioning in pulse skipping mode under low load conditions
04/1996
04/30/1996US5513094 Switch-mode power supply for bridged linear amplifier
04/30/1996US5513091 Voltage transforming circuit
04/30/1996US5513089 Switching power source control circuit for controlling a variable output to be a target value by thinning-out switching pulses
04/30/1996US5513088 Uninterruptable off-line, isolated flyback topology switch-mode power supply
04/25/1996WO1996012339A1 A voltage clamped parallel resonant converter with controllable duty cycle
04/25/1996DE19538259A1 DC=AC current converter for e.g. powering constant illumination discharge lamps
04/25/1996CA2202500A1 A voltage clamped parallel resonant converter with controllable duty cycle
04/24/1996CN1121290A A feedback loss protection arrangement in a power supply
04/24/1996CN1121276A Motor operation controller and insulation type bidirectional DC voltage converter
04/23/1996US5511118 Method of providing d.c. feed to a telephone line
04/23/1996US5510974 High frequency push-pull converter with input power factor correction
04/23/1996US5510971 Safety control device and process with analog power output
04/23/1996US5510814 Drive voltage generating device for liquid crystal display device
04/23/1996US5510698 Markov chain controlled random modulation of switching signals in power converters
04/18/1996WO1996011431A1 An improved variable-voltage cpu voltage regulator
04/17/1996EP0707377A1 Current supply device
04/17/1996EP0707376A1 Switching power supply circuit of current-resonance type
04/17/1996CN2225109Y Switch DC-DC inverter
04/17/1996CN1120875A Snubber
04/16/1996US5508907 Chopper control apparatus
04/16/1996US5508904 Switching regulator having superimposing chopping-wave voltage forming circuit
04/16/1996US5508903 Interleaved DC to DC flyback converters with reduced current and voltage stresses
04/16/1996US5508602 Voltage boosting circuit with load current sensing
04/16/1996US5508588 Television startup current regulation
04/16/1996CA2063043C Electric cooking apparatus with ac and dc supply
04/11/1996DE4435832A1 Circuit for charging and discharging capacitative loads e.g. for generating mechanical stroke of piezo-actuator
04/11/1996DE19534282A1 Mains-fed DC power supply e.g. for TV receiver or personal computer
04/11/1996DE19524005A1 Motorbetriebsregler und bidirektionaler Isolations-Gleichspannungsumformer Engine operating controls and bidirectional isolation Gleichspannungsumformer
04/10/1996EP0706306A2 A hardware arrangement and method of driving a piezo-electric transformer
04/10/1996EP0706266A1 Detection of input signal level exceeding a threshold value
04/10/1996EP0706257A2 Switch mode power supply circuit
04/10/1996EP0706256A2 Circuit for a DC-DC converter