Patents for H02J 1 - Circuit arrangements for dc mains or dc distribution networks (12,155)
02/1996
02/07/1996EP0571373B1 Apparatus for protecting a dc power distribution bus during hot servicing
02/07/1996CN1116462A Method and apparatus for determining external power supply type
02/07/1996CN1030951C Current limited subscriber interface circuit
02/06/1996US5489836 Battery charging circuit for charging NIMH and NICD batteries
01/1996
01/31/1996EP0695017A2 Battery connecting device for a computer and a method of switching batteries
01/31/1996CN1115925A Power supply control for a receiver
01/30/1996US5488531 Redundant power mixing element with fault detection for DC-to-DC converter
01/30/1996CA2056383C A system for discharging electrical power from a high-voltage direct current line
01/24/1996EP0693819A1 DC-DC converter with current limitation
01/24/1996EP0693818A2 Multi-sectioned power converter having current-sharing controller
01/23/1996CA2149942A1 Multi-sectioned power converter having current-sharing controller
01/17/1996EP0692927A2 Improved printed circuit board and method
01/17/1996EP0692876A2 Power-out reset system
01/17/1996EP0692863A2 AC to DC boost switching power conversion
01/09/1996US5483433 Voltage control circuit for a multiple stage DC power supply, and applications thereof
01/09/1996US5483192 Gate power supply circuit
01/09/1996US5483148 Single-phase active power filter for multiple nonlinear loads and method therefor
01/09/1996US5483108 Uninterrupted distributed storage supply system
01/03/1996EP0690575A1 Device for activating a source of bias voltage
01/03/1996EP0690574A1 Control circuit for source of bias voltage
01/03/1996EP0690554A2 Redundant power mixing element with fault detection for DC-to-DC converter
01/03/1996EP0690542A1 Latent fault detection in a redundant power supply
01/03/1996EP0690541A1 Electronic apparatus having two power supply modes
01/02/1996US5481222 Power conserving integrated circuit
12/1995
12/31/1995CA2151684A1 System for switching power and scrubbing for faults
12/27/1995EP0689118A2 Circuit arrangement for the generation of a constant output voltage
12/26/1995US5479335 Regulated DC voltage power supply
12/26/1995CA2104032C Power conversion control apparatus
12/20/1995EP0687375A1 Loop powered process control transmitter
12/20/1995CN1113615A Power supplying circuit
12/19/1995US5477175 Off-line bootstrap startup circuit
12/19/1995US5477132 Multi-sectioned power converter having current-sharing controller
12/19/1995US5477091 High quality electrical power distribution system
12/13/1995EP0687056A2 Gate drive circuit for power switching device
12/13/1995EP0686902A2 Method and apparatus for controlling the power consumption of an electronic device
12/13/1995EP0623251B1 Device for providing electric power from a signal transmitter
12/12/1995US5475626 Portable computer with a simple power supply control of chargeable and non-rechargeable battery packs
12/07/1995DE4419467A1 Modular power supply for electrical equipment
12/06/1995EP0685918A1 Power supply security device
12/06/1995EP0685917A1 Secure power supply
12/01/1995CA2150509A1 Synchronization device for a secured supply system
11/1995
11/30/1995DE19519465A1 Betriebssteuersystem für einen Drucker An operation control system for a printer
11/29/1995EP0684381A2 Selectively power feeding device for electrical loads and the ignition circuit of internal combustion engines, in motor-vehicles
11/15/1995EP0681680A1 Laser gyro single transformer power supply
10/1995
10/25/1995EP0678963A2 Method and apparatus for controlling the power consumption of an electronic device
10/18/1995EP0677910A2 Overvoltage protection
10/18/1995EP0677861A2 High-speed switching regulator drive circuit
10/18/1995EP0677225A1 System for providing voltage in a voltage line common to a plurality of electrical units
10/17/1995US5459358 Method and apparatus for randomly delayed activation of electrical loads
10/17/1995US5459357 Engine operated switch for controlling operation of electrical load responsive to alternator voltage and/or battery voltage
10/11/1995EP0676854A2 Efficient power conversion
10/10/1995US5457365 Disk drive power management system
10/10/1995CA2047083C Power supply device
10/03/1995US5455884 Stepped compound voltage control circuit of battery in combination with field-control DC motor driving circuit
09/1995
09/28/1995DE4410069A1 Switching circuit for harmonic-free direct voltage
09/26/1995US5453643 Controllable compound voltage DC/AC transforming circuit
09/21/1995DE4419958C1 Redundant current supply circuit for electronic appts.
09/20/1995EP0672316A1 Automatic load current back regulation.
09/19/1995US5451858 Automatic equal-phase synchronizer for a varying number of synchronized units
09/14/1995DE4406691A1 Circuitry sifting AC voltage interference
08/1995
08/30/1995EP0669719A1 Method and circuit for reducing transient currents
08/22/1995US5444291 Integrated bridge device for optimizing conduction power losses
08/15/1995US5442277 Internal power supply circuit for generating internal power supply potential by lowering external power supply potential
08/09/1995EP0666631A2 Field bus power supply system
08/09/1995CN1106594A Power apparatus
08/08/1995US5440223 Switching power circuit with redundant structure
08/01/1995CA2022066C Power supply device
07/1995
07/26/1995EP0664598A2 Power supply system
07/26/1995EP0664596A1 Device for the symmetrisation of currents
07/25/1995US5436788 Electronic control apparatus for the switching of several electrical load resistances and monitoring information switch positions
07/20/1995WO1995019653A1 Power supply voltage supplying circuit
07/20/1995CA2181143A1 Power supply voltage supplying circuit
07/18/1995US5434772 Control device for thyristor converter
07/18/1995US5434770 High voltage power supply with modular series resonant inverters
07/18/1995US5434498 Fuse programmable voltage converter with a secondary tuning path
07/05/1995EP0661682A1 Energy saving system for a display apparatus based on image change detection
07/04/1995US5430395 Temperature compensated constant-voltage circuit and temperature compensated constant-current circuit
06/1995
06/28/1995EP0660520A2 A bidirectional current blocking mosfet for battery disconnect switching including protection against reverse connected battery charger
06/28/1995EP0660487A2 Power supply system
06/28/1995EP0660485A2 Electrical apparatus
06/27/1995US5428524 Method and apparatus for current sharing among multiple power supplies
06/27/1995US5428523 Current sharing signal coupling/decoupling circuit for power converter systems
06/27/1995US5428299 Semiconductor integrated circuit device having low power consumption voltage monitoring circuit for built-in step-down voltage generator
06/20/1995US5426589 Method of and apparatus for limiting electrical loads on an electric vehicle
06/15/1995WO1995016301A1 Phased array power processor and method of operating same
06/07/1995EP0656575A1 Band-gap reference current source with compensation for saturating current spread of bipolar transistor
06/06/1995US5422593 Current-limiting circuit
06/06/1995US5422562 Switching regulator with improved Dynamic response
05/1995
05/30/1995US5420498 Circuit arrangement for generating a constant output voltage
05/30/1995US5420496 Electronic device
05/24/1995CN1102913A Electrical power supply
05/23/1995US5418708 Constant power load bank
05/23/1995US5418707 High voltage dc-dc converter with dynamic voltage regulation and decoupling during load-generated arcs
05/23/1995US5418435 Light controller with overload current protection circuit
05/18/1995WO1995013643A1 Method and apparatus for determining external power supply type
05/17/1995EP0653841A1 Power switch with inrush current control
05/16/1995US5416723 Loop powered process control transmitter
05/16/1995US5416702 Vehicle electrical-load limiting apparatus
05/11/1995WO1995012916A1 Remote power supply unit
05/10/1995EP0652631A2 AC/DC power supply