Patents for H02J 1 - Circuit arrangements for dc mains or dc distribution networks (12,155)
06/1997
06/24/1997US5642269 Power supply apparatus having separate plural outputs
06/24/1997US5642037 Integrated circuit with fast starting function for reference voltage of reference current sources
06/24/1997US5642034 Regulated power supply circuit permitting an adjustment of output current when the output thereof is grounded
06/19/1997DE19546495A1 Equalisation of power distribution to loads e.g. for railway locomotive
06/18/1997CN1152208A Circuit for improved load transient response in power supplies
06/18/1997CN1035222C Gate drive circuit for voltage-driven type power switching device
06/11/1997EP0687375B1 Loop powered process control transmitter
06/10/1997US5638540 Portable computer/radio power management system
06/10/1997US5638264 Parallelized power supply system providing uninterrupted operation
06/03/1997US5635824 Power supplying circuit
05/1997
05/27/1997US5633773 Overvoltage protection for input/output circuits
05/22/1997WO1997018612A1 Fault tolerant power distribution system
05/20/1997US5631816 DC voltage converter with current limitation
05/20/1997US5631504 AC/DC power supply
05/20/1997US5630404 Selectively power feeding device for electrical loads and the ignition circuit of internal combustion engines, in motor-vehicles
05/15/1997CA2162803A1 Condition responsive solid-state switch
05/07/1997EP0772298A1 Delay circuit and method for generating a delay
05/07/1997EP0738436A4 Phased array power processor and method of operating same
05/06/1997US5627455 Boost topology with two outputs for power factor correction application
05/06/1997US5627412 Dynamically switchable power supply
05/02/1997EP0771043A1 Management device for electric batteries
04/1997
04/25/1997CA2188636A1 Electric battery management device
04/22/1997US5623286 Power source control apparatus for display unit
04/17/1997WO1997014206A1 Modular power supply
04/17/1997CA2234449A1 Modular power supply
04/15/1997US5621631 AC to DC boost switching power converters
04/15/1997US5621626 Method and device for control of an installation for transmission of high-voltage direct current
04/15/1997US5621257 Gate drive circuit for voltage-driven type power switching device
04/08/1997US5619126 Circuit arrangement for automatically decreasing the load current
04/02/1997EP0766164A2 Voltage regulator with load pole stabilization
04/02/1997EP0766162A2 Circuit for improved load transient response in power supplies
04/02/1997CN1146658A Controller for inverter and generating system using same
04/01/1997US5616968 Expandable AC power supply device
04/01/1997US5616967 Method and apparatus for decoupling of unused power supply pins of a printed circuit board capable of operating at a plurality of predetermined voltages
03/1997
03/18/1997US5612581 Power supply apparatus with a back-up power unit
03/18/1997CA2069665C Apparatus for detecting short-circuit for use in bi-polar d.c. transmission system
03/12/1997EP0762597A2 Power control method and apparatus for battery power supply and battery power supply system
03/11/1997US5610452 E-beam high voltage switching power supply
03/11/1997US5610449 Electric power unit
03/05/1997CN1144412A Wind power local use method
03/04/1997US5608614 Power converter
03/04/1997US5608313 Circuit arrangement for generating a constant output voltage
03/04/1997US5608275 Fault tolerant isolation between devices powered by separate power sources
02/1997
02/25/1997US5606492 Intermittent on/off regulator type DC power supply
02/25/1997CA2153042C Method and apparatus for determining external power supply type
02/20/1997DE19531923A1 Device for provision of 'Safe-Life' functions for electrical loads
02/19/1997CN1143276A Circuit unit for charging capacitor
02/18/1997US5604421 Electrical systems
02/18/1997CA2086564C Electronic device
02/13/1997WO1997005683A1 Power-on reset circuit
02/12/1997CN1142708A Circuit arrangement for powering two-phase asynchronous motor
02/05/1997CN1142114A Spare electric-power supply using dc.-dc. converter
01/1997
01/29/1997EP0756372A1 Control apparatus of inverter and power generation system using such control apparatus
01/29/1997EP0708998B1 Buffered d.c. power supply
01/28/1997US5598041 Efficient fault tolerant switching circuit for redundant d. c. power supplies
01/15/1997EP0753922A2 Circuit for charging a capacitor
01/14/1997US5594313 For storing electric power
01/14/1997US5594286 Power control system for electrical power supply modules
01/08/1997EP0752668A1 Method and apparatus for hot plugging/unplugging a sub-system to/from an electrically powered system
01/08/1997CN1033773C High-efficiency relay battery power-supplying system capable of energy storage during non-peak load
01/08/1997CA2180093A1 Method and apparatus for hot plugging/unplugging a sub-system to an electrically powered system
01/07/1997US5592394 FET current sensor for active balancing or regulating circuits
01/07/1997US5592369 Device in a d.c. circuit for transfer of a current from one current path to another and for control of the voltage in the circuit
01/07/1997US5592353 Power supply system
01/07/1997US5592030 Power supply for energizing DC load from AC or DC source
01/02/1997EP0751046A1 Load control system for vehicle
01/02/1997EP0751045A2 Power supply system for a vehicle with an internal combustion engine
01/01/1997CN1139308A Rectifier control system
12/1996
12/31/1996US5589762 Adaptive voltage regulator
12/31/1996US5589761 Dual polarity voltage regulator circuits and methods for providing voltage regulation
12/27/1996EP0750247A2 Data processing apparatus connectable to an information processing terminal via an interface
12/25/1996CN1138921A Power supply voltage supplying circuit
12/24/1996US5587866 Power-on reset circuit
12/24/1996US5587685 System for suppressing power transients when connecting a disk drive in an operating raid system
12/18/1996EP0749199A1 Power supply for an appliance having an operating mode and a stand-by mode
12/18/1996EP0749168A1 Solar cell system
12/17/1996CA2016990C Electrical power distribution system
12/12/1996DE19620444A1 Rectifier control system with multiple rectifiers for supplying DC voltage to inverter
12/11/1996EP0747957A2 Power supply isolation and switching circuit
12/10/1996US5583753 Parallel control type DC--DC converter
12/10/1996US5583417 Power sharing detector for use with a battery charger and an auxiliary device
12/03/1996US5581453 Power supply with switched starting circuit
12/03/1996US5581174 Band-gap reference current source with compensation for saturation current spread of bipolar transistors
11/1996
11/27/1996EP0744824A1 Two-phase asynchronous motor supply circuit
11/27/1996CN1136730A Reference voltage semiconductor device
11/20/1996EP0743752A1 Charging of a bootstrap capacitance through an LDMOS transistor
11/20/1996CN1136229A Method and device for control of series-compensated converter station
11/20/1996CN1136228A Method and device for control of series-compensated converter station
11/19/1996US5576941 Modular power supply system
11/19/1996US5576940 Front-end power converter for distributed power systems
11/07/1996DE19548940A1 Semiconductor device allowing setting of power supply potential
11/06/1996EP0741447A2 Circuit and method for controlling a synchronous recifier converter
11/05/1996US5572417 AC to DC boost power converters
10/1996
10/30/1996EP0740386A1 Power supply voltage supplying circuit
10/30/1996EP0740384A2 Startup protection for a switch mode power supply
10/29/1996US5570060 Circuit for limiting the current in a power transistor
10/29/1996US5569965 Control method for reducing quiescent current
10/23/1996EP0738436A1 Phased array power processor and method of operating same
10/22/1996US5568042 Monitoring and control of a filter in a power network
10/16/1996CN1133530A Method and equipment for distributing minimum non-firm power