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)
03/1999
03/23/1999US5886513 Digitally controlled switched-mode voltage converter
03/23/1999US5886512 Low power and wide input voltage range DC to DC switching converter
03/23/1999US5886509 Voltage stabilizer having an inphase regulator
03/23/1999US5886508 Multiple output voltages from a cascaded buck converter topology
03/23/1999US5886475 EL element driving circuit and EL element lighting device using the same
03/23/1999CA2246840A1 Power converter having multiple output voltage capability and method of operation thereof
03/23/1999CA2151795C Resonance converter
03/23/1999CA2073700C Source voltage control switching circuit
03/18/1999WO1999013559A2 A dc/dc converter
03/18/1999DE19738453A1 Inverter current source
03/17/1999EP0902531A1 Switching power supply apparatus and controlling method for the same
03/17/1999EP0902530A2 Voltage converter
03/17/1999EP0902529A1 Method and apparatus for energy conversion
03/17/1999EP0902528A2 Device and method for electrical regulation with optimal control
03/17/1999EP0902527A2 Actively controlled regenerative snubber for unipolar brushless dc motors
03/17/1999EP0902526A1 Voltage generator of the charge pump type with self-oscillating control circuit
03/17/1999EP0902525A2 Method and apparatus for reducing power supply current surges in a charge pump using a delayed clock line
03/17/1999EP0901712A1 Switched-mode power supply having a delay-insensitive timing in the control loop
03/17/1999EP0901711A1 A rotating asynchronous converter and a generator device
03/17/1999EP0901704A1 High-voltage plants with electric motors
03/17/1999EP0901703A1 A turbo-generator plant
03/17/1999EP0901702A1 A hydro-generator plant
03/17/1999EP0901701A1 Synchronous compensator plant
03/17/1999EP0901700A2 Rotating electric machines with magnetic circuit for high voltage and method for manufacturing the same
03/17/1999EP0901699A1 Uninterruptible power supply
03/17/1999EP0901683A1 Switched-mode regulator for an electromagnet
03/17/1999CN1042581C Power supply apparatus
03/16/1999US5883795 Clamp circuit for a power converter and method of operation thereof
03/16/1999US5883794 High voltage generating circuit including high voltage circuit section having voltage dividing resistor and speed-up capacitor
03/16/1999US5883793 Clamp circuit for a power converter and method of operation thereof
03/16/1999US5883506 Power supply with voltage stabilizing control circuit
03/16/1999US5883501 Power supply circuit
03/16/1999CA2052031C Charging circuit for radar transmitter
03/15/1999CA2237288A1 Voltage converter
03/11/1999DE19837919A1 Switched mode power supply e.g. for television (TV) receivers
03/10/1999EP0901215A1 Switching power unit
03/10/1999EP0900469A1 Switched-mode power supply arrangement
03/10/1999EP0900468A2 A convertor, a power supply, and a battery charger
03/10/1999CN1210390A Sub-resonant series resonant converter having improved form factor and reduced EMI
03/10/1999CN1042482C Tranforming device and air conditioner using said device
03/09/1999US5880949 Soft switching power converter comprising means for correcting the median voltage of a capacitive voltage divider
03/09/1999US5880945 Power conversion and load circuit on same integrated circuit
03/09/1999US5880944 Resonant converters
03/09/1999US5880943 Snubber circuit for a switching power source
03/09/1999US5880940 Low cost high efficiency power converter
03/09/1999US5880939 Stabilized power supply circuit including hyperresonant chopping and synchronous rectification
03/09/1999US5880628 High-efficiency voltage booster circuit operating at very low supply voltage
03/09/1999US5880622 Method and apparatus for controlling a charge pump for rapid initialization
03/04/1999WO1999010973A1 Method and arrangement for stabilizing a switching power supply
03/03/1999EP0899860A2 Power output stage with PWM operation and continuous conduction operation
03/03/1999EP0898808A1 Three-terminal power mosfet switch for use as synchronous rectifier or voltage clamp
03/03/1999EP0836762B1 Voltage converter for generating a regulated output voltage from an input voltage
03/03/1999EP0729662B1 Converter connection with a balancing circuit
03/03/1999CN1209914A Intelligent power supply with staged loading capability
03/03/1999CN1209682A Topological circuit for soft switch
03/03/1999CN1209680A Improved low-power-consumption power-supply provider
03/03/1999CN1209679A Switch-type voltage-dropping type dc.-to-dc. power supply convertion circuit
03/03/1999CN1042382C Power converting system
03/02/1999US5877952 Power supply apparatus with initial arcing sustaining circuit
03/02/1999US5877951 Circuit for and method of decreasing conducted and radiated electromagnetic interference of a power converter and a full bridge power converter employing the same
03/02/1999US5877948 Voltage converter
03/02/1999US5877947 Snubber circuit for a rectifier and method of operation thereof
03/02/1999US5877946 Forward converter with an inductor coupled to a transformer winding
03/02/1999US5877945 Asymmetrical half-bridge converter having distributed DC bias method of operation thereof and power supply employing the same
03/02/1999US5877650 Booster circuit
03/02/1999US5877614 Electronic switch-mode power supply
03/02/1999US5877611 Simple and efficient switching regulator for fast transient loads such as microprocessors
03/02/1999US5877610 Multiple cell boost converter
03/02/1999CA2096559C Resonant unity power factor converter
02/1999
02/25/1999WO1999009639A2 Full wave converter switching at zero voltage
02/25/1999WO1999008749A1 Implantable stimulator having an efficient output generator
02/24/1999EP0898360A1 Method for controlling a DC converter with an AC intermediate circuit and arrangement therefore
02/24/1999EP0898357A1 DC energy converter device
02/24/1999EP0898356A1 Charge pump with variable frequency
02/24/1999EP0898355A2 Electronic apparatus
02/24/1999EP0808505A4 Cryogenic electronics power supply
02/24/1999CN2309015Y Vehicle mains of novel d. c. mine electric locomotive
02/23/1999US5875103 Full range soft-switching DC-DC converter
02/23/1999US5874850 Mos voltage elevator of the charge pump type
02/23/1999US5874849 For operation in an integrated circuit
02/23/1999US5874847 Charge pump circuit for controlling a pair of drive transistors
02/23/1999US5874841 Sample-and-hold circuit for a switched-mode power supply
02/23/1999US5874826 Encapsulated modular boost converter and method of manufacture therefor
02/18/1999WO1999008372A1 Adaptative slope compensator for current mode power converter
02/18/1999WO1999008371A1 Power supply using synchronous rectification
02/18/1999WO1999008370A1 A buck boost switching regulator
02/18/1999DE19735208A1 Free running switching power supply e.g. for video recorder
02/18/1999DE19734928A1 Circuit for driving inductive loads e.g. motor vehicle windscreen wiper unit
02/18/1999CA2299525A1 A buck boost switching regulator
02/17/1999EP0752175B1 Low loss integrated circuit with reduced clock swing
02/17/1999CN1208477A Overload protection unit for readjusting switching elements
02/16/1999USRE36098 Optimal resetting of the transformer's core in single-ended forward converters
02/16/1999US5872708 Automatic polarity conversion circuit
02/16/1999US5872706 Circuit arrangement for multiple use of a transformer core
02/16/1999US5872705 Low loss synchronous rectifier for application to clamped-mode power converters
02/16/1999US5872704 Low voltage supply cutoff circuit for an electronic appliance
02/16/1999US5872703 System and method for regulating power in tank circuits having a bridge configuration
02/11/1999WO1999007062A2 Low power stand-by for switched-mode power supply circuit with burst mode operation
02/11/1999WO1999007061A2 Functional on/off switch for switched-mode power supply circuit with burst mode operation
02/11/1999WO1999007059A2 Multiresonant dc-dc converter with full-wave rectifying means
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