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