Patents
Sitemap › H02 - Generation, conversion, or distribution of electric power › H02J - Circuit arrangements or systems for supplying or distributing electric power; Systems for storing electric energy › 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)
11/2003
11/18/2003US6650969 Electrical fault protection system
11/18/2003US6650560 Dual input AC and DC power supply having a programmable DC output utilizing single-loop optical feedback
11/18/2003US6650086 Automatic detecting and switching vehicle charger
11/18/2003US6650028 Dual isolated input power supply
11/18/2003US6650027 Emergency power supply
11/13/2003US20030210055 Control arrangement for power electronic system
11/13/2003US20030210018 Method for controlling the charging and discharging phases of a backup capacitor and a circuit configuration for carrying out the method
11/13/2003US20030209945 Cross ventilation technique for cooling redundant power supplies
11/12/2003EP1360751A2 Battery charger circuit with low standby power dissipation
11/12/2003EP1360090A1 Motor vehicle electric system
11/12/2003CN1127792C Power system
11/11/2003US6646851 Circuit arrangement for operating a solenoid actuator
11/11/2003US6646846 Apparatus and method for staged power load transfer
11/11/2003US6646845 Battery protection system and method
11/06/2003WO2003092025A2 Consumer unit
11/06/2003US20030205939 Emergency power supply
11/04/2003US6643158 Dual input AC/DC to programmable DC output converter
11/04/2003US6643152 DC power supply device
11/04/2003US6642632 Efficient battery transfer circuit
10/2003
10/30/2003WO2002052689A8 Back-up battery for a cellular telephone
10/30/2003US20030201672 Battery connect/disconnect for an uninterruptible power supply
10/29/2003EP1356569A1 High-security electric power supply device
10/29/2003EP1356568A1 Electrical system for a ship
10/29/2003CN1126221C Uninterrupted double supplying power source unit
10/28/2003US6639383 Multiple energy storage device controller
10/28/2003US6639330 Transfer relay for computer based equipment
10/23/2003US20030198143 Energy saving device
10/23/2003US20030197484 Method of regulating power consumption by electronic equipment containing integral rechargeable backup batteries and used in systems where the equipment operates from a vehicle engine battery and the like, and improved apparatus therefor
10/23/2003US20030197431 Automatic transfer switch for microturbine and method of operation
10/23/2003US20030197428 Power processor
10/23/2003US20030197427 Power control apparatus for a bicycle
10/22/2003EP1355410A1 A power supply apparatus
10/22/2003EP1355404A1 DC backup power supply system
10/22/2003EP1355403A2 DC backup power supply device and method for diagnosing the same
10/21/2003US6636026 Electric appliance capable of saving power consumption
10/21/2003US6636019 Uninterruptable power supply with energy control
10/21/2003US6634896 Method and apparatus for transferring electrical signals among electrical devices
10/16/2003US20030194920 Electrical energy distribution system and contactor for such a system
10/15/2003EP1353430A2 Circuit arrangement
10/15/2003EP1352443A2 Back-up battery for a cellular telephone
10/15/2003CN2580660Y Double power-supply control device
10/15/2003CN2580659Y Reset circuit for automatic switching device of AC power
10/15/2003CN2580658Y Power distribution emergency power source
10/15/2003CN1449641A Rechargeable lamp system
10/15/2003CN1449100A Power conversion apparatus and methods using balancer circuits
10/15/2003CN1449087A Method of parallel operation for uninterruptible power supply
10/14/2003US6633799 Configurable switchgear system
10/09/2003DE10235527C1 Arrangement for redundant voltage supply for safety-relevant systems has drive devices connected to communications channel, devices for monitoring voltages on safety-relevant systems
10/08/2003EP1056623B1 Device for supplying electric energy
10/08/2003CN2579065Y Multifunctional emergency power supply vehicles
10/07/2003US6630753 Low cost redundant AC to DC power supply
10/07/2003US6630752 Uninterruptible transfer switch
10/07/2003US6630751 Excessive load capacitor detection circuit for UPS
10/07/2003US6630750 Spare bus power plant
10/02/2003WO2003081745A1 Lighting system
10/02/2003US20030184937 Backup power supply
10/02/2003US20030184160 Parallel operation method for an uninterruptible power supply apparatus
10/02/2003CA2480166A1 Lighting system
10/01/2003CN2577104Y Improvement structure of lighting lamp combined with emergency lamp
10/01/2003CN1445906A Method for automatic putting new type backup power source into use under PC control
09/2003
09/30/2003US6629247 Methods, systems, and computer program products for communications in uninterruptible power supply systems using controller area networks
09/30/2003US6628207 Method and apparatus for detecting and reporting a power outage
09/30/2003US6628083 Central battery emergency lighting system
09/30/2003US6628013 Redundant power subsystem
09/30/2003US6628012 Uninterruptible power supply
09/30/2003US6628003 Prime mover for powering an electrical generator
09/25/2003WO2003079529A1 Wide bandwidth ac- dc power converter
09/25/2003WO2003010128A3 Perfluoroalkyl-substituted amines, acids, amino acids and thioether acids
09/25/2003US20030179524 Control apparatus for master/slave outlets
09/25/2003US20030178969 UPS device combining charging for mobile phones and emergent illumination
09/24/2003EP1347554A1 An improved electrical switchboard provided with transitory power supply means operating in case of blackout
09/23/2003US6624635 Uninterruptable power supply
09/23/2003US6624620 Power supply for a rotary printing machine
09/23/2003US6624599 Compact single-stage electronic ballast circuit for emergency lighting applications
09/18/2003WO2003077409A1 Electricity curtailment machine that use a no-load damage interception magnetic field
09/18/2003WO2003077398A2 Separate network and method for operating a separate network
09/18/2003WO2003076857A2 A domestic combined heat and power unit
09/18/2003US20030173907 Compact single-stage electronic ballast circuit for emergency lighting applications
09/18/2003US20030173828 Standby power generation system, unit, and method
09/18/2003CA2476883A1 Separate network and method for operating a separate network
09/18/2003CA2468459A1 A domestic combined heat and power unit
09/17/2003EP1034614B1 Frequency converter and ups employing the same
09/17/2003EP0667019B1 Hand-held data capture system with interchangeable modules
09/16/2003US6621180 Method and system for maintaining full power during a power interruption in a multiple power supply system
09/12/2003WO2003075431A1 Uninterruptive power source apparatus
09/12/2003WO2003075430A1 Uninterruptible power supply
09/12/2003WO2003075428A1 Uninterrupted power supply and the method for driving its converters
09/12/2003WO2003075139A1 Uninterruptible power supply apparatus for computer system
09/11/2003US20030171884 Arrangements to detect and respond to disturbances in electrical power systems
09/11/2003US20030168917 Dual input AC/DC power converter having a programmable peripheral power hub module
09/10/2003CN2572648Y Automatic controller for double-way power supply switching switch
09/10/2003CN1441990A Power system utilizing DC bus
09/09/2003US6617711 Hand-held electric appliance power-saving switch control mechanism
09/04/2003WO2003073582A2 Universal uninterruptible power supply input circuitry and methods for configuring same
09/04/2003WO2003073581A1 A power supply
09/04/2003WO2003073190A1 Modular ac voltage supply and algorithm for controlling the same
09/04/2003WO2003072478A1 Power supply system
09/04/2003WO2002050974A3 Powering device and medical installation comprising same
09/04/2003US20030164645 Integrated mobile tool and welder power supply system
09/03/2003CN1440103A Battery charger with spare mode
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