Patents for H02M 3 - Conversion of dc power input into dc power output (54,461)
04/1997
04/08/1997US5619404 Multi-channel single stage high power factor AC to DC converter
04/08/1997US5619403 Multi-output power supply apparatus
04/08/1997US5619402 Higher-efficiency cold-cathode fluorescent lamp power supply
04/08/1997US5619401 Circuit arrangement
04/08/1997US5619400 Magnetic core structures and construction techniques therefor
04/08/1997US5619126 Circuit arrangement for automatically decreasing the load current
04/08/1997US5619124 Reference voltage generator in a semiconductor integrated device
04/03/1997WO1997012500A1 Fixed-cycle power-supply circuit with an at least temporarily active consumer-independent load
04/03/1997WO1997012436A1 Power-supply circuit with a transformer and an on/off switch at the secondary side of the transformer
04/03/1997WO1997012369A1 Variable stage charge pump
04/03/1997DE19536064A1 Getaktete Stromversorgungsschaltung mit einer von einem Verbraucher unabhängigen, zumindest zeitweise wirksamen Last Pulsed power supply circuit with a consumer by a independent, at least intermittently active load
04/02/1997EP0766372A2 Resonant DC-DC converter capable of controlling by pulse width modulation
04/02/1997EP0766371A2 Small DC power supply
04/02/1997EP0765541A1 Switched-mode power supply
04/02/1997EP0662277B1 Clocked current supply circuit
04/02/1997CN2251146Y Counting controllable high-efficiency high-voltage power supply of flash X-ray tester
04/02/1997CN1034456C Drive circuit for a flyback converter with switching transistors in bridge arrangement
04/01/1997US5617306 One cycle control of bipolar switching power amplifiers
04/01/1997US5617305 Current resonance type switching power supply circuit
04/01/1997US5617016 Buck converter with operating mode automatically determined by the load level
04/01/1997US5617015 Multiple output regulator with time sequencing
04/01/1997US5616945 Multiple gated MOSFET for use in DC-DC converter
03/1997
03/27/1997WO1997011529A1 Circuit for the multiple use of a transformer core
03/27/1997DE19536782A1 Circuit arrangement for current measuring relay with inductive coupling of active switchgear
03/27/1997DE19534888A1 Schaltungsanordnung zur Mehrfachausnutzung eines Übertragerkerns Circuit arrangement for multiple use of a transformer core
03/26/1997EP0765104A2 Method and apparatus for the supply of energy to a hearing device
03/26/1997EP0765025A2 Start-up circuit and semiconductor device for such a start-up circuit
03/26/1997EP0765022A2 Uninterruptive switching regulator
03/26/1997EP0765021A1 A voltage regulator device for an alternator having permanent magnets
03/26/1997EP0764297A1 High-efficiency power supply
03/26/1997CN1034384C Television starup current regulation
03/26/1997CN1034373C Boosting circuit device capable of pre-pumping and semiconductor memory device
03/25/1997US5615178 Electronic control timepiece
03/25/1997US5615098 AC-DC converter
03/25/1997US5615096 Direct current power supply conditioning circuit
03/25/1997US5615094 Non-dissipative snubber circuit for a switched mode power supply
03/25/1997US5615093 For converting an input power signal to an output power signal
03/25/1997US5615092 Switching power supply regulator with an inductive pulse circuit
03/25/1997US5615091 Isolation power supply
03/25/1997US5614814 Negative voltage genarating circuit
03/19/1997EP0763878A2 Off-line phase control low-power power supply
03/19/1997EP0763277A1 Circuit arrangement
03/18/1997US5613229 Voltage and current mode power regulator
03/18/1997US5612862 Method and circuitry for controlling current reset characteristics of a magnetic amplifier control circuit
03/18/1997US5612861 Method and apparatus for low voltage CMOS start circuit
03/18/1997US5612858 Flyback converter
03/18/1997US5612857 Power supply apparatus
03/18/1997US5612856 Circuit arrangement for producing a direct voltage with reduction of harmonic and high-frequency interferences
03/18/1997US5612615 Cryogenic electronics power supply
03/18/1997US5612612 Functional control block for voltage regulator with dual servo loops
03/18/1997US5612611 Switching regulator with dyssymetrical differential input stage
03/18/1997US5612610 DC-to-DC converter operating in a discontinuous mode
03/18/1997US5612609 Continuous conduction mode switching power supply with improved power factor correction
03/13/1997WO1997009772A1 Power supply apparatus with improved efficiency
03/12/1997EP0762621A2 Electrical device with a transformer who's primary is supplied under the control of a switch
03/12/1997EP0761036A1 Self-oscillating dc to dc converter
03/11/1997US5610869 Semiconductor memory device
03/11/1997US5610807 Power converting system with a plurality of charging capacitors
03/11/1997US5610804 Power supply with dual energy transfer circuits for power factor correction
03/11/1997US5610549 Voltage boosting circuit of a semiconductor memory circuit
03/11/1997US5610508 Circuitry to maintain proper current transformer operation
03/11/1997US5610503 Low voltage DC-to-DC power converter integrated circuit and related methods
03/11/1997US5610452 E-beam high voltage switching power supply
03/11/1997US5610451 Uninterruptible power supply with power factor correction
03/11/1997US5610450 Power supply apparatus for efficiently utilizing battery and electronic apparatus using the power supply
03/11/1997US5610449 Electric power unit
03/06/1997WO1997008815A1 Opposed current power converter
03/06/1997WO1997008812A1 Direct current voltage converter with soft switching
03/06/1997DE19634713A1 Control of transformer in converter or inverter
03/06/1997CA2227966A1 Direct current voltage converter with soft switching
03/05/1997EP0561839B1 High-voltage transformer
03/04/1997US5608617 High power miniature demand power supply
03/04/1997US5608614 Power converter
03/04/1997US5608613 Flyback converter
03/04/1997US5608313 Circuit arrangement for generating a constant output voltage
02/1997
02/27/1997WO1997007385A2 A bidirectional load and source cycler
02/26/1997EP0759654A1 Switching power converter with continuous input and output current
02/26/1997EP0759653A2 Dual mode DC-DC converter and method
02/26/1997EP0759222A1 Dc/dc converter comprising a high-insulation charge-transfer feedback network
02/26/1997CN2248397Y Electric power supply device using after-heat
02/26/1997CN1034147C Apparatus for charging rechargeable electrical energy accumulator
02/25/1997US5606740 Time delay controlled switching for a DC/DC converter in a selective call device for reducing ripple
02/25/1997US5606492 Intermittent on/off regulator type DC power supply
02/25/1997US5606491 Multiplying and inverting charge pump
02/20/1997DE19633351A1 Power factor improvement circuit e.g. for electronic device power supply
02/20/1997DE19530064A1 Controlled converter with at least two secondary circuits
02/19/1997EP0758815A2 Voltage converter
02/19/1997EP0758499A1 Method and apparatus for providing an ultra low power regulated negative charge pump
02/19/1997CA2180520A1 Converter
02/18/1997US5604759 Drive circuit for electronic device
02/18/1997US5604671 Charge pump circuit for boosting voltage
02/18/1997US5604669 Resonant, current mode regulated, half-bridge power supply
02/18/1997US5604426 Electric apparatus with a power supply including an electric double layer capacitor
02/18/1997US5604425 Power limiting regulator
02/18/1997US5604387 Power supply derived from motor winding
02/18/1997US5604383 Stabilized power supply device using a flip chip as an active component
02/13/1997WO1997005689A1 Current control for superconducting magnetic energy storage system
02/12/1997EP0758160A1 Driving pulse limiting circuit
02/12/1997EP0758159A2 Converter wherein a piezoelectric transformer input signal is frequency modulated by a pulse width modulated signal
02/11/1997US5602794 Variable stage charge pump