Patents for H02M 3 - Conversion of dc power input into dc power output (54,461) |
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07/04/1989 | CA1256940A1 Power-supply circuit |
06/27/1989 | US4843536 AC input free power source |
06/27/1989 | US4843535 Switching power supply |
06/27/1989 | US4843532 Regulating pulse width modulator for power supply with high speed shutoff |
06/27/1989 | US4843300 Improved power supply for intermittently energizing an external device requiring high power during intermittent periods of time from an input power source with relatively lower instantaneous power capability |
06/27/1989 | US4843258 Drive circuit with a ring oscillator for a semiconductor device |
06/27/1989 | CA1256551A1 Primary switched-mode power supply unit |
06/21/1989 | EP0320605A2 Electronic switching power supply with an inductance DC-DC converter |
06/20/1989 | US4841564 DC-supply arrangement for a telecommunication line |
06/20/1989 | US4841429 Capacitive coupled power supplies |
06/20/1989 | US4841427 Capacitive voltage lowering circuit with dual outputs |
06/20/1989 | US4841313 RF driver and control |
06/20/1989 | US4841220 Dc-to-Dc converters using multi-resonant switches |
06/20/1989 | US4841165 D. C. power controller |
06/14/1989 | EP0320307A2 DC Supply having low and high constant voltages for powering an inverter controller |
06/14/1989 | EP0319669A2 Current regulator |
06/14/1989 | EP0319660A1 Arrangement for relieving a semiconductor switch from high blocking voltage stress, and its use |
06/13/1989 | US4839915 Inverter type X-ray apparatus |
06/13/1989 | US4839787 Integrated high voltage generating system |
06/13/1989 | US4839786 DC-DC converter |
06/13/1989 | CA1255763A1 Semiconductor module for a high-speed switching arrangement |
06/13/1989 | CA1255747A1 Fly-back bifilar secondary winding transformer power supply with a modulated pulse width voltage input |
06/08/1989 | DE3840406A1 Protective circuit for a switched-mode power supply circuit |
06/07/1989 | EP0319269A2 Inductive power converter |
06/07/1989 | EP0319063A2 Voltage multiplier circuit and rectifier element |
06/07/1989 | EP0318586A1 Switching regulator |
06/06/1989 | US4837670 Bias source for a switchmode converter |
06/06/1989 | US4837495 Current mode converter with controlled slope compensation |
06/06/1989 | US4837452 Off-line dc power supply |
06/01/1989 | WO1989005059A1 Ac to dc power converter with integrated line current control |
06/01/1989 | WO1989005057A1 High frequency rectifier with sinusshaped primary current |
05/30/1989 | US4835669 Dual mode flyback power supply |
05/30/1989 | US4835652 Bi-directional DC power controller with fault protection |
05/30/1989 | US4835454 Advanced feed forward switch mode power suppply control |
05/24/1989 | EP0316981A2 Electric converter |
05/24/1989 | EP0316892A2 Improved resonant converter with high conversion efficiency and low output impedance |
05/23/1989 | US4833582 Frequency converter circuit including a single-ended blocking frequency converter |
05/23/1989 | US4833581 Power supply for a magnetron |
05/16/1989 | US4831507 Frequency controlled preload |
05/11/1989 | DE3736800A1 Switched mode power supply |
05/10/1989 | EP0315366A2 A regulated dc power supply having master and slave regulators |
05/09/1989 | US4829415 Push-pull drive circuit for a power converter |
05/09/1989 | US4829413 Converter circuit |
05/09/1989 | US4829232 Nonlinear resonant switch and converter |
05/05/1989 | WO1989004083A1 Switching regulator |
05/05/1989 | WO1989004082A1 High efficiency converter |
05/03/1989 | EP0314287A1 Pluggable power system having magnetic flux coupled power transformer and inductive filter components |
05/03/1989 | EP0314221A2 Semiconductor switch with parallel LDMOS and LIGT |
05/03/1989 | EP0313743A2 Switching power supply |
05/03/1989 | DE3808433C1 Adjustable push-pull DC/DC converter and method for its control |
05/03/1989 | DE3808432C1 Adjustable push-pull DC/DC converter |
05/03/1989 | DE3734786A1 Netzteil, welches von einem netzwechselstrom gespeist wird und eine geregelte gleichspannung liefert Power supply, which is fed from a commercial AC power and supplies a regulated DC voltage |
05/02/1989 | US4827393 Alternator and regulator for use therewith |
05/02/1989 | US4827391 Apparatus for implementing output voltage slope in current mode controlled power supplies |
04/27/1989 | DE3822956A1 Electrical current compression for increasing the efficiency of direct energy converters |
04/25/1989 | US4825351 AC-DC converting apparatus having power factor improving circuit utilizing a photocoupler |
04/25/1989 | US4825350 Method and apparatus for detecting a reduction in the input voltage to a power supply |
04/25/1989 | US4825348 Resonant power converter with current sharing among multiple transformers |
04/25/1989 | US4825347 Pulse width modulation control circuit |
04/25/1989 | US4825144 Dual channel current mode switching regulator |
04/25/1989 | US4825142 CMOS substrate charge pump voltage regulator |
04/20/1989 | WO1989003610A1 A dc to dc power converter |
04/20/1989 | WO1989003609A1 Current mode converter with controlled slope compensation |
04/20/1989 | WO1989003608A1 Process and device for preventing interference of transients in a buck cell |
04/20/1989 | DE3734220A1 Circuit arrangement for frequency stabilisation of free-running fly black converters |
04/19/1989 | EP0029067B1 A converter circuit for storing a predetermined quantity of energy |
04/19/1989 | CN2036333U Miniature line commutated inverter for replacing laminated battery |
04/18/1989 | US4823249 High-frequency resonant power converter |
04/18/1989 | US4823247 Stabilized power supply unit |
04/18/1989 | US4823191 Image-sensing apparatus |
04/18/1989 | US4823070 Switching voltage regulator circuit |
04/18/1989 | US4823023 Transistor with differentiated control switching circuit |
04/12/1989 | EP0052643B1 Converter with two or more independently controlled loads |
04/12/1989 | CN2035934U Universal ic dc convertor |
04/11/1989 | US4821166 Power-supply circuit |
04/11/1989 | US4821165 High voltage DC power supply |
04/11/1989 | US4820936 Integrated CMOS circuit comprising a substrate bias voltage generator |
04/06/1989 | WO1989003136A1 Power supply start circuit |
04/06/1989 | WO1989003135A1 Switching network component |
04/06/1989 | DE3832446A1 Device for DC voltage conversion of an input voltage by actuation of at least one electronic switch |
04/06/1989 | DE3832445A1 Device for low-loss switching-load reduction in pulsating operation |
04/06/1989 | DE3832443A1 Device for vehicle control of railway trains |
04/06/1989 | DE3832442A1 Device for operating electric loads of a passenger train |
04/05/1989 | EP0309919A2 A power conversion apparatus |
04/05/1989 | EP0309900A1 Switching power supply |
04/05/1989 | EP0309892A2 Switching power supply |
04/05/1989 | EP0309867A2 Switching power supply |
04/04/1989 | US4819144 Switching power supply circuit with stored charge removal switch |
03/30/1989 | DE3829627A1 Device for producing at least one supply voltage |
03/29/1989 | EP0308648A1 Circuit arrangement for a regulated switching power supply |
03/29/1989 | EP0308642A1 Device for limiting the inrush current of a D.C. converter |
03/29/1989 | EP0308622A1 Switching power supply |
03/29/1989 | EP0297123A4 Regulated ac/dc converter. |
03/28/1989 | US4816986 Power control device for the magnetron of microwave oven |
03/28/1989 | US4816982 AC to DC power converter with integrated line current control for improving power factor |
03/28/1989 | US4816978 Electrical power supply circuit, in particular for a wave generator for a pulse radar |
03/28/1989 | US4816821 Clocked direct voltage converter |
03/28/1989 | US4816739 DC/DC converter |
03/22/1989 | EP0308260A2 Energy transfer arrangement |
03/21/1989 | US4814965 High power flyback, variable output voltage, variable input voltage, decoupled power supply |