Patents for H02M 3 - Conversion of dc power input into dc power output (54,461) |
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11/29/1988 | US4788634 Resonant forward converter |
11/29/1988 | US4788591 Switched-mode power supply for a television receiver provided with a stand-by system |
11/29/1988 | US4788486 Vehicular power supply system having a plurality of power supply voltages |
11/29/1988 | US4788448 Power transfer of direct current with inductive couplings |
11/23/1988 | EP0292269A2 Integrated high voltage generating system |
11/23/1988 | EP0292148A2 Charge pump circuitry having low saturation voltage and current-limited switch |
11/23/1988 | EP0291742A2 Power supply device with a blocking oscillator |
11/22/1988 | US4787020 Full-wave output type forward converter |
11/22/1988 | US4786826 Power interface circuit with control chip powered from power chip |
11/22/1988 | CA1245350A1 Video apparatus for generating a conductively isolated control signal |
11/22/1988 | CA1245284A1 Flyback switching regulator |
11/17/1988 | WO1988009084A1 Switching regulator |
11/17/1988 | EP0291120A2 A regulated high frequency power supply |
11/17/1988 | EP0173697B1 Flyback switching regulator |
11/15/1988 | US4785387 Resonant converters with secondary-side resonance |
11/10/1988 | DE3813066A1 Switched current regulator |
11/10/1988 | DE3713541A1 Kombinierter sekundaerschaltregler Combined sekundaerschaltregler |
11/08/1988 | US4783727 DC/DC converter |
11/08/1988 | CA1244517A1 Acceleration power supply |
11/03/1988 | WO1988008638A1 Combined secondary circuit regulator |
11/03/1988 | WO1988008637A1 Combined secondary circuit regulator |
11/03/1988 | DE3712796A1 Self-oscillating DC/DC voltage converter operating on the flyback converter principle |
11/02/1988 | EP0289235A2 Start-up control circuitry for a television apparatus |
11/02/1988 | EP0289196A2 High frequency resonant power converter |
11/02/1988 | EP0289032A2 Magnetron feeding apparatus and method of controlling the same |
11/02/1988 | EP0289013A2 A power supply for a magnetron |
11/02/1988 | EP0288971A2 Monolithic integrated circuit device |
11/02/1988 | EP0288710A2 Switching regulator |
11/01/1988 | US4782437 Magnetic material biasing method and apparatus |
11/01/1988 | US4782242 Circuit arrangement for generating high voltage pulses |
10/27/1988 | DE3712228A1 Multi-pulse flyback converter (isolating transformer) having a common energy store |
10/26/1988 | EP0288312A2 On/off control circuitry for television |
10/26/1988 | EP0288075A2 Sub-booster circuit for stepping up an output voltage of main booster circuit |
10/26/1988 | EP0288015A2 Switching regulator |
10/26/1988 | EP0287863A2 Power select circuit |
10/25/1988 | US4780854 Semiconductor integrated circuit device |
10/20/1988 | DE3712230C1 DC voltage forward converter for a plurality of output voltages |
10/19/1988 | EP0287109A2 Switching regulator |
10/19/1988 | EP0286909A1 Process and device for controlling and regulating a switching current supply unit |
10/18/1988 | US4779185 Constant voltage supply system including a constant current source driven switching regulator |
10/18/1988 | US4779184 Switch mode power supply with reduced noise |
10/18/1988 | US4779182 Power supply for an electrostatic filter |
10/18/1988 | US4779027 DC to DC converter with overvoltage protection circuit |
10/12/1988 | EP0286384A2 Switch mode electrical power controller |
10/12/1988 | EP0285905A2 Controlled DC-DC converter |
10/11/1988 | US4777577 Integrated dual charge pump power supply and RS-232 transmitter/receiver |
10/11/1988 | US4777576 Energy converter with series resonant bridge and switching circuit |
10/11/1988 | US4777424 Battery charger |
10/11/1988 | US4777406 High voltage power supply particularly adapted for a TWT |
10/11/1988 | US4777380 Method of switching the electric supply between independent load circuits |
10/06/1988 | WO1988007413A1 A method for producing a variable d.c. voltage |
10/06/1988 | WO1988007412A1 A voltage converter |
10/06/1988 | DE3709989A1 Step-down controller for switched-mode power switchgear units |
10/05/1988 | EP0284615A1 Magnetic material biasing method and apparatus. |
10/04/1988 | US4775821 Variable input voltage DC to DC converter with switching transistor drive current regulator |
09/28/1988 | EP0284306A2 DC to DC converter for ethernet transceiver |
09/28/1988 | EP0284172A2 Source volt-ampere/load volt-ampere differential converter |
09/28/1988 | EP0283842A1 Flyback switching converter |
09/28/1988 | EP0283782A1 TV receiver with regulated switching power supply insulated from the network |
09/28/1988 | EP0283772A1 Circuitry limiting the supply voltage issued by a secondary winding of a transformer through a rectifier |
09/27/1988 | US4774649 Integrated magnetic resonant power converter |
09/21/1988 | EP0283254A2 Push-pull drive circuit for a power converter |
09/21/1988 | CN87217517U Current-stabilizing voltage-regulating chopper used for continuous solid laser source |
09/20/1988 | US4772995 Switching supply with pulse width and rate modulation |
09/20/1988 | US4772810 Apparatus for non-dissipative switching transistor snubber |
09/14/1988 | CN87216365U 0-9 v. auto light adjustable battery box |
09/06/1988 | US4769784 Capacitor-plate bias generator for CMOS DRAM memories |
09/06/1988 | US4769754 Stabilized welding power source including a series-resonant current-regulated converter using a transformer having an air-gapped core |
09/06/1988 | US4769753 Compensated exponential voltage multiplier for electroluminescent displays |
09/01/1988 | DE3705249A1 Circuit arrangement for decoupling the output of a voltage converter |
08/30/1988 | US4768142 Power-supply circuit |
08/30/1988 | US4768141 D.c.-a.c. converter having an asymmetric half-bridge circuit |
08/30/1988 | US4767978 Use in a well logging sonde lowered on a logging cable |
08/30/1988 | US4767959 Method and apparatus for driving capacitive-type load |
08/24/1988 | EP0279335A2 Switching power supply |
08/24/1988 | EP0074399B1 Forward converter switching at zero current |
08/23/1988 | US4766528 Switched-mode power supply having a standby state |
08/23/1988 | US4766364 Parallel power systems |
08/17/1988 | EP0278128A1 Power-supply arrangement |
08/16/1988 | US4764856 Power-supply arrangement |
08/10/1988 | EP0277784A1 Power supply |
08/09/1988 | US4763238 Extended overload protection circuit for a switch mode power supply having cycle detector, memory and flip-flop inhibition |
08/09/1988 | US4763237 DC/AC/DC Power conversion system including parallel transformers |
08/09/1988 | US4763236 DC-DC converter |
08/09/1988 | US4763235 DC-DC converter |
08/09/1988 | US4763061 Primary switched-mode DC-DC converter with summed input current and input voltage responsive control |
08/09/1988 | CA1240362A1 Control device for a direct current semiconductor regulator |
08/03/1988 | CN87101134A Waveform reformation technology |
08/02/1988 | US4761728 High voltage generating device |
08/02/1988 | US4761727 Current sensing circuit for use with decoupled half bridge converter |
08/02/1988 | US4761725 Digitally controlled A.C. to D.C. power conditioner |
08/02/1988 | US4761724 Transformer coupling for transmitting direct current through a barrier |
08/02/1988 | US4761722 Switching regulator with rapid transient response |
08/02/1988 | US4761702 CMOS latch-up recovery circuit |
08/02/1988 | CA1239986A1 Control of a series resonant converter |
07/28/1988 | DE3701395A1 Method for operating a switched-mode regulator |
07/27/1988 | EP0275698A1 Frequency limited resonant regulator |
07/26/1988 | US4760512 Circuit for reducing transistor stress and resetting the transformer core of a power converter |
07/26/1988 | US4760324 Non-dissipative snubber circuit for high-efficiency switching power supplies |
07/20/1988 | EP0275223A1 High-voltage generator circuit with very low current consumption |