Patents for H02J 1 - Circuit arrangements for dc mains or dc distribution networks (12,155) |
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06/10/1999 | DE19752661A1 Bordnetz für ein Kraftfahrzeug Electrical system for a motor vehicle |
06/09/1999 | CN1219026A Reducing power protection circuit for electronic device |
06/02/1999 | EP0919077A2 High efficiency lighting system |
05/26/1999 | EP0918393A2 Multiple output DC-to-DC converter having enhanced noise margin and related methods |
05/25/1999 | US5907482 Of a multi-channel type |
05/25/1999 | US5907194 Device for supplying voltage in a motor vehicle including two batteries and having improved reliability |
05/25/1999 | CA2132392C Monitoring and control of a component connected to an electric power network |
05/20/1999 | WO1999025052A1 Service life controller for power unit |
05/19/1999 | EP0917339A2 Method and apparatus for reducing power dissipation in dc termination circuit |
05/19/1999 | CN1217096A Modular power management system and method |
05/18/1999 | US5905449 Radio switching apparatus |
05/11/1999 | US5903449 Bi-directional power control system for voltage converter |
05/06/1999 | EP0913025A1 Switched mode power supply system |
05/04/1999 | US5900724 For equal loading of at least two voltage supply units |
04/28/1999 | EP0911740A2 Bus station and bus system |
04/28/1999 | EP0910884A1 Method and apparatus for control of power supply couplings on computer backplane |
04/27/1999 | US5898234 Power supply unit with simplified circuitry |
04/27/1999 | US5898233 Controlling apparatus for loads |
04/27/1999 | CA2151683C Redundant power mixing element with fault detection for dc- to-dc converter |
04/22/1999 | WO1999019959A1 Method and apparatus for charging one or more electric vehicles |
04/21/1999 | EP0795136A4 Ups for medical imaging system |
04/20/1999 | US5896284 Switching power supply apparatus with a return circuit that provides a return energy to a load |
04/20/1999 | US5896261 Power down protection circuit for an electronic device |
04/20/1999 | CA2219971A1 Linearzing circuit for current-feedback-controlled supply of light-emitting diodes |
04/14/1999 | EP0908000A1 Wireless selective tripping of ac power systems connected in parallel |
04/14/1999 | CN1213880A Power converter |
04/14/1999 | CN1042991C 整流器控制系统 Rectifier control system |
04/13/1999 | US5894413 Redundant power supply switchover circuit |
04/08/1999 | WO1999017417A1 Power system |
04/08/1999 | DE19835857A1 Converter |
04/08/1999 | DE19744099A1 Bus station for bus system |
04/08/1999 | DE19742086A1 Fail-safe voltage supply plant |
04/06/1999 | US5892393 Power supply circuit having an auxiliary power source for compensating for main power drop |
04/06/1999 | US5892392 Device for setting a bias source at stand-by |
04/06/1999 | US5892390 Internal power supply circuit with low power consumption |
03/31/1999 | EP0904621A1 Modular power management system and method |
03/31/1999 | EP0904619A1 Circuitry for voltage pole reversal |
03/31/1999 | EP0904576A1 Power supply circuit |
03/30/1999 | US5889663 Circuit for balancing steady-state currents of switching devices in electric power converter |
03/23/1999 | US5886889 Device and method for direct current power supply to a traction system by means of converters from different alternating current or direct current voltages |
03/23/1999 | US5886885 DC power unit and information processing apparatus with the DC power unit |
03/23/1999 | US5886883 Alternative power supply system for replacement of nickel-cadmium battery packs |
03/18/1999 | WO1999013550A1 System for supplying electromotive consumers with electric energy |
03/18/1999 | WO1998041793A3 High efficiency lighting system |
03/18/1999 | DE19739917A1 System zur Versorgung elektromotorischer Verbraucher mit elektrischer Energie System for supplying electric motor supplied with electrical energy |
03/17/1999 | EP0901691A2 Control equipment for an active filter |
03/16/1999 | US5883797 Parallel path power supply |
03/16/1999 | US5883547 Charging of a bootstrap capacitance through an LDMOS |
03/16/1999 | US5883504 Power supply unit |
03/16/1999 | US5883501 Power supply circuit |
03/16/1999 | US5883494 Charging apparatus |
03/09/1999 | US5881215 Apparatus and methods for providing robust powering |
03/09/1999 | US5880951 Capacitor-type power supply unit |
03/09/1999 | US5880536 Customer side power management system including auxiliary fuel cell for reducing potential peak load upon utilities and providing electric power for auxiliary equipment |
03/04/1999 | DE19736025A1 Inboard network supervision arrangement |
03/03/1999 | EP0729662B1 Converter connection with a balancing circuit |
03/03/1999 | CN1209914A Intelligent power supply with staged loading capability |
03/03/1999 | CN1209593A Power-supply control method and printer using same |
03/02/1999 | US5877928 Electronic circuit device |
03/02/1999 | CA2103133C Power switch with inrush current control |
02/23/1999 | US5875105 Power supply apparatus for controlling electrical elements of vehicles |
02/23/1999 | US5875104 Operating switching power converters in a phased power sharing array |
02/23/1999 | US5874827 Voltage supply circuit for a load absorbing high tentative peak current |
02/23/1999 | US5874786 For a spacecraft |
02/16/1999 | US5872709 Switch control of a master-slave power supply for preventing residual slave voltage when a slave is off |
02/16/1999 | US5872433 Image pickup apparatus including interruption means for causing recordation of an electrical image signal in response to operation of a second trigger before completion of a predetermined step by a first trigger |
02/09/1999 | US5870680 Method and an apparatus for placing devices on standby in a system including a portable mobile telephone connected to a peripheral device |
02/04/1999 | WO1999005764A1 Apparatus and method for providing power to circuitry implementing two different power sources |
02/04/1999 | DE19731963A1 Switch-mode power supply (SPS) system used in multi-SPS system of e.g. thermosensitive printer |
02/03/1999 | EP0895401A2 Scanner power module |
02/03/1999 | EP0895362A1 Electrical circuit for the detection of the state of a switching arrangement |
01/27/1999 | EP0893869A2 Circuit for causing a voltage step in a multi-cell battery |
01/26/1999 | US5864476 Power supply apparatus |
01/26/1999 | US5864225 Dual adjustable voltage regulators |
01/25/1999 | CA2243803A1 A circuit for causing a voltage step in a multi-cell battery |
01/21/1999 | WO1999003028A1 Hybrid regulator |
01/21/1999 | DE19750041C1 Semiconductor DC voltage regulator |
01/19/1999 | US5862437 For use in an electronic apparatus |
01/19/1999 | US5862436 Fixing apparatus and method for electrophotographic apparatus including temperature detecting mechanism for heat roller |
01/19/1999 | US5861738 DC to DC converter with a single-fault tolerant clamp |
01/19/1999 | US5861736 Circuit and method for regulating a voltage |
01/19/1999 | US5861684 Flexible implementation of distributed DC power |
01/14/1999 | DE19821195A1 Control circuit for balancing steady state current in each component of electric power converter |
01/13/1999 | EP0890895A2 Voltage regulator with load pole stabilization |
01/13/1999 | CN1204879A Device for distributing energy for airplane |
01/12/1999 | US5859873 Method and arrangement for non-contact transmission of measured values |
01/12/1999 | US5859480 AC power supply controller for use in semiconductor fabrication facilities |
01/07/1999 | EP0889570A2 Power supply circuit |
01/07/1999 | EP0888659A1 Customer side power management system and method |
12/30/1998 | CN1041477C Power conversion system |
12/29/1998 | CA2163498C Voltage and current mode power regulator |
12/24/1998 | DE19821759A1 Load drive control system |
12/23/1998 | WO1998038727A3 Dc-dc converter with multiple outputs turned on and off in certain sequence |
12/22/1998 | US5852359 Voltage regulator with load pole stabilization |
12/16/1998 | EP0884821A1 Arrangement for power distribution, in particular for an aircraft |
12/16/1998 | EP0884819A2 Power supply device for high power loads in motor vehicles |
12/16/1998 | CN1202281A Modular power supply |
12/15/1998 | US5850113 Super capacitor battery clone |
12/08/1998 | US5848281 Method and apparatus for powder management in a multifunction controller with an embedded microprocessor |
12/08/1998 | US5847950 Control system for a power supply |