H02J 9 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting

Patents for H02J 9 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting (16,437)
09/2004
09/22/2004	CN1531161A Power supply managing topological structure
09/21/2004	US6795322 Power supply with uninterruptible function
09/21/2004	CA2234639C Arrangement for ensuring uninterrupted current supply to an electrical consumer
09/16/2004	US20040181703 Selecting operation modes in electronic device
09/16/2004	US20040178773 Power generating device
09/16/2004	US20040178770 Back-up power system
09/16/2004	US20040178766 Power management topologies
09/16/2004	US20040178681 System for providing backup power to an electronic device
09/16/2004	US20040178679 Uninterruptible power supply
09/15/2004	EP1456928A1 Multiple flywheel energy storage system
09/15/2004	EP1456590A2 A domestic combined heat and power unit
09/15/2004	CN2641891Y Automatic switching device of wireless telephone set for chargeable battery and external power supply
09/14/2004	US6791853 Dual input AC/DC power converter having a programmable peripheral power hub module
09/14/2004	US6791463 On-board control system and method for vehicles
09/14/2004	US6791208 Electrical power controller
09/10/2004	WO2004077648A2 Uninterruptible power supplies with converter operation conditioned upon static switch communication and methods of operation thereof
09/10/2004	WO2004077638A1 Testing using independently controllable voltage islands
09/10/2004	WO2004076915A1 Escape way direction system
09/10/2004	WO2004045040A3 System for generating electric power
09/10/2004	WO2004030189A3 Power conversion in variable load applications
09/08/2004	EP0886911B1 Ups card
09/08/2004	CN2640191Y Improved controller for lamp
09/08/2004	CN1166045C Uninterrupted power supply without inverter
09/07/2004	US6788925 Ruggedized tradesworkers radio
09/07/2004	US6788040 Power holdup circuit with increased power factor
09/07/2004	US6787936 Semiconductor integrated circuit
09/07/2004	US6787259 Secondary power source for use in a back-up power system
09/02/2004	US20040170039 Dual input AC and DC power supply having a programmable DC output utilizing a secondary buck converter
09/02/2004	US20040169972 Power grid backfeed protection apparatus
09/02/2004	US20040169497 Induction generator power supply
09/02/2004	US20040169422 Automatic transfer switch system capable of governing the supply of power from more than two power sources to a load
09/02/2004	US20040169421 Method and apparatus for sensing voltage in an automatic transfer switch system
09/02/2004	US20040169419 Safety switch for preventing an unintentional vehicle battery discharge
09/02/2004	US20040168818 System for detecting defective battery packs
09/02/2004	DE10306946A1 Deactivation circuit for vehicle current extraction point, especially trailer socket, has controller that deactivates current extraction point on detecting predefined state of connected voltage source
09/02/2004	DE102004008147A1 Bordseitiges Stromversorgungssystem Board-side power supply system
09/01/2004	EP1453177A2 DC/DC converter circuit
09/01/2004	CN2638317Y AC measuring and controlling device
09/01/2004	CN1525633A Power converter
09/01/2004	CN1525617A Electronic equipment and battery unit
08/2004
08/31/2004	US6784641 Uninterruptible power supply
08/31/2004	US6784624 Electronic ballast system having emergency lighting provisions
08/31/2004	CA2275817C Automatic transfer switch
08/26/2004	WO2004073134A2 Systems and methods for providing backup energy to a load
08/26/2004	WO2004073089A2 Selector circuit for power management in multiple battery systems
08/26/2004	WO2004047262A3 Rectifier-super capacitor device for use in a power system for a telecommunication facility
08/26/2004	US20040164741 Apparatus for detecting batteries in an uninterruptible power supply by utilizing voltage drop rate
08/26/2004	US20040164713 Electronic apparatus, electronic apparatus system, and operation mode switching method
08/26/2004	US20040164705 Onboard power supply system
08/26/2004	US20040164702 Battery charger
08/26/2004	US20040164618 Fuel control system and method for distributed power generation, conversion, and storage system
08/26/2004	US20040164617 Uninterruptible power supplies with converter operation conditioned upon static switch commutation and methods of operation thereof
08/26/2004	DE10341348B3 Switching circuit for connecting electrical equipment to controllable voltage source produces start signal and control signal over given time period
08/26/2004	DE10306478A1 Control arrangement for an emergency lighting system comprises modular control units, charging units and batteries configured as individual modules or assemblies and mounted in appropriate fire protection containers
08/26/2004	DE10305357A1 Vorrichtung zur Energieversorgung eines Bordnetzes Apparatus for supplying power to an electrical system
08/25/2004	EP1450476A2 Power converter circuit
08/25/2004	CN1523728A Selector circuit for power management in multiple battery systems
08/19/2004	WO2004070912A1 Distributed power generation, conversion, and storage system
08/19/2004	WO2004070911A1 Device for supplying power to a two-voltage vehicle electric system
08/19/2004	US20040160793 Power supply architecture with controlled power-on and power-off sequence
08/19/2004	US20040160789 Integrated converter having three-phase power factor correction
08/19/2004	US20040160214 Modular uninterruptible power supply
08/19/2004	US20040160213 Selector circuit for power management in multiple battery systems
08/18/2004	EP1447897A1 Power management topologies
08/18/2004	CN2634710Y Novel microcomputer control spare power supply automatic put-in device
08/18/2004	CN2634709Y Three phase emergency power supply
08/18/2004	CN2634703Y Electronic automatic releasing device of fire-proof rolling curtain controller
08/18/2004	CN2634698Y By-path switching monitor of inverse power
08/12/2004	WO2004068324A1 Power supply with integrated dc supplies for external devices and universal cable
08/12/2004	WO2004047250A3 Power system for a telecommunication facility
08/12/2004	US20040156220 Power supply
08/12/2004	US20040155528 Integrated uninterruptible power supply enclosure
08/12/2004	US20040155527 Distributed power generation, conversion, and storage system
08/12/2004	US20040155526 Generator with DC boost and split bus bidirectional DC-to-DC converter for uninterruptible power supply system or for enhanced load pickup
08/12/2004	DE19506849B4 Stromversorgungsschaltkreis für Magnetlagersystem Power supply circuit for magnetic bearing system
08/11/2004	CN1161983C Power circuit for electrical equipment
08/11/2004	CN1161982C Power supply for standby operation
08/10/2004	US6775715 Multipurpose data port
08/10/2004	US6775163 Dual input AC/DC to programmable DC output converter
08/10/2004	US6774602 Apparatus and method for providing temporary power
08/10/2004	US6774507 Reliable DC power supply
08/05/2004	WO2004066094A2 Power conditioner and backup for security scanning equipment
08/05/2004	US20040151119 Method and device for bridging brief power outages in a matrix converter
08/05/2004	US20040150374 Apparatus for providing high quality power
08/05/2004	US20040150371 Power conditioner and backup for security scanning equipment
08/05/2004	US20040150267 Power supply with integrated DC supply for peripheral devices and universal power cable
08/05/2004	US20040149555 Remotely operated circuit breaker for emergency lighting circuits
08/05/2004	US20040148934 Systems and methods for providing backup energy to a load
08/05/2004	CA2554127A1 Power conditioner and backup for security scanning equipment
08/04/2004	EP1442354A1 Power supply system and electronic device comprising the same
08/04/2004	EP1057237B1 Power supplies for electronic control units
08/03/2004	US6771044 Electrical power management for recharging multiple battery-powered computers
07/2004
07/29/2004	WO2004064222A2 Battery management system
07/29/2004	WO2004063567A2 Mobile power system
07/29/2004	WO2004040956A3 Apparatus for providing high quality power
07/29/2004	US20040147295 Ruggedized tradesworkers radio
07/29/2004	US20040145926 Backup power supply
07/29/2004	US20040145357 Control system for a power converter and method of controlling operation of a power converter
07/29/2004	US20040145348 Power management topologies
07/28/2004	EP1440503A1 Dual input ac/dc/battery operated power supply

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