Patents for H02J 9 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting (16,437) |
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11/19/2009 | US20090284072 Method and system for selective electrical backup to a multi-tenant location |
11/18/2009 | EP2118986A2 Method and apparatus for conserving battery power |
11/18/2009 | EP2117622A2 Dialysis system with efficient battery back-up |
11/18/2009 | CN201349144Y Automatic input device of standby power supply |
11/18/2009 | CN201349143Y Standby power source control circuit |
11/18/2009 | CN201349134Y Gapless automatic switching system of generator group back-up power |
11/18/2009 | CN101584108A Control device and control method for power conversion system having instantaneous voltage drop - service interruption counter-measure functions |
11/18/2009 | CN101582596A 110V direct current power supply reconnection system for diesel locomotive |
11/18/2009 | CN101581429A LED fire emergency lamp |
11/18/2009 | CN100560469C Container gantry crane with bidirectional power supply |
11/17/2009 | US7619324 Power system with multiple generator sets |
11/12/2009 | WO2009135736A1 Circuitry for feeding a drive machine having a plurality of winding systems |
11/12/2009 | US20090278407 Method and system for discovering a power source on a peripheral bus |
11/12/2009 | US20090278406 Portable Power Supply |
11/11/2009 | EP2115849A1 Portable power supply |
11/11/2009 | CN201345563Y High-voltage double-power automatic transfer device |
11/11/2009 | CN201345562Y Output framework of redundant electric power system |
11/11/2009 | CN201345561Y Conversion framework of redundant electric power system |
11/11/2009 | CN201345560Y Synchronous output competition control circuit |
11/11/2009 | CN101577038A Power overhead network antitheft alarm |
11/10/2009 | US7616432 Electrical distribution panel for a number of critical and non-critical loads |
11/10/2009 | US7615892 Modular and scalable power conversion system for aircraft |
11/10/2009 | US7615890 Methods and apparatus for providing uninterruptible power |
11/10/2009 | US7615888 Multiple generator loadcenter and method of distributing power from multiple generators |
11/05/2009 | WO2009134115A2 Uninterrupted battery operated generator |
11/05/2009 | WO2009133494A1 Switching off an ac electrical appliance when local power supply generator is used |
11/05/2009 | WO2009132715A2 Arrangement relating power backup and method for power backup |
11/05/2009 | US20090276643 Storage power supply system, storage device, and control thereof |
11/05/2009 | US20090273240 Uninterruptible fuel cell system |
11/05/2009 | DE202008008165U1 Betriebsgerät für Gasentladungslampen oder andere Leuchtmittel mit Lampenstrommessung Operating device for gas discharge lamps or other light sources with lamp current measurement |
11/04/2009 | CN201341039Y Safe pad lock device of automatic transfer switch electrical appliance |
11/04/2009 | CN201341038Y Multifunctional two-power-supply switching device |
11/04/2009 | CN201341037Y Emergency plug board |
11/03/2009 | US7612468 Uninterruptible power supply device with circuit for degradation judgment of storage battery |
11/03/2009 | US7612467 Power device and power device power supply method |
10/29/2009 | WO2009129958A1 Emergency power supply system comprising a fuel cell |
10/29/2009 | US20090268491 Power converter with retractable cable system |
10/29/2009 | US20090267418 Switch power supply and electronic device having same |
10/29/2009 | US20090267417 Multi-input power converter and uninterruptible power supply having the same |
10/29/2009 | DE102008020356A1 Notstromversorgungsanlage mit Brennstoffzelle Emergency power supply system with fuel cell |
10/28/2009 | CN101567580A Dual-power supply automatic transfer switch |
10/28/2009 | CN101567564A Voltage and power regulator based on the composite energy storage of storage battery and super capacitor |
10/28/2009 | CN100555832C Power conversion apparatus and methods using DC bus shifting |
10/27/2009 | US7610501 Arrangement for the power supply for a security domain of a device |
10/27/2009 | US7609031 Method for balancing lithium secondary cells and modules |
10/27/2009 | US7608947 Back-up power supply systems |
10/27/2009 | US7608946 Boosting circuit and integrated circuit having the same |
10/27/2009 | US7608944 Battery connect/disconnect for an uninterruptible power supply |
10/27/2009 | US7608943 Power supply adapter and power supply system |
10/22/2009 | WO2009127451A2 Emergency power supply device for a hybrid vehicle |
10/22/2009 | WO2009099870A9 A power supply system for electrical/electronic equipment |
10/22/2009 | CA2717364A1 System and methods to extend the service life of portable devices |
10/21/2009 | EP2110924A2 System and method for managing power supply to a circuit breaker control unit |
10/21/2009 | EP2110310A2 Method for operating a ship drive system with waste heat reclamation and ship drive system with waste heat recuperation |
10/21/2009 | EP2109929A2 Uninterruptable power supply |
10/21/2009 | CN201332297Y Automatic switchover device for alternating double power supply |
10/21/2009 | CN201332296Y Standby power system for communication |
10/21/2009 | CN101563830A Current sensor apparatus and method for uninterruptible power supply |
10/21/2009 | CN101563829A Data center uninterruptible power distribution architecture |
10/21/2009 | CN101563828A Power supply system, power supply control method of power supply system, power supply control program of power supply system, and computer readable recording medium having power supply control program |
10/21/2009 | CN101562353A On-line mutual switching control device of fundamental frequency power supply and variable frequency power supply |
10/21/2009 | CN101562352A Monitor for train radiating blower unit |
10/21/2009 | CN101562095A Intelligent controller |
10/20/2009 | US7606575 Remote radio data communication system with data rate switching |
10/20/2009 | US7603874 Split power input to chiller |
10/15/2009 | WO2009126448A1 Hot-swappable battery retrofit module |
10/15/2009 | WO2009126405A2 Ac and dc uninterruptible online power supplies |
10/15/2009 | WO2009126029A1 Control system and switching device for at least one electrical load |
10/15/2009 | WO2009100295A3 Backup power system and method |
10/15/2009 | WO2009068200A3 Method for producing thermoplastic films |
10/15/2009 | WO2009046202A3 Method and apparatus for conserving energy stored in bypass capacitors during dynamic power collapse |
10/15/2009 | US20090256422 Ac and dc uninterruptible online power supplies |
10/14/2009 | CN201328024Y Effective stroke adjusting device for actuating mechanism of duplicate-supply automatic switching device |
10/14/2009 | CN201328023Y Back-up power for electric pitch system of wind turbine |
10/14/2009 | CN201328022Y Automatic switching multifunctional electric switch box |
10/14/2009 | CN101556465A Intelligent electrical controller |
10/14/2009 | CN100550572C Stable power supply system, operation method thereof, and stable power supply operation procedure |
10/13/2009 | US7602082 Backup time endorsed power supply apparatus |
10/08/2009 | WO2009123834A1 Non-isolated charger with bi-polar inputs |
10/08/2009 | WO2009123741A1 Apparatus, system and method for a ups |
10/08/2009 | US20090251005 Undervoltage transfer detection |
10/08/2009 | US20090251002 Apparatus, system and method for a ups |
10/08/2009 | CA2725411A1 Apparatus, system and method for a ups |
10/08/2009 | CA2719867A1 Non-isolated charger with bi-polar inputs |
10/07/2009 | EP2107676A1 Control device and control method for power conversion system having instantaneous voltage drop - service interruption counter-measure functions |
10/07/2009 | EP2107663A1 Power source system, power supply control method for the power source system, power supply control program for the power source system, and computer-readable recording medium with recorded power supply control program |
10/07/2009 | CN201323469Y Intelligent multi-power supply switch |
10/07/2009 | CN201323468Y A control signal switching device for a duplicate-power control cabinet of a motor |
10/07/2009 | CN101552543A Multi-path input alternating/direct current hybrid power supply |
10/07/2009 | CN101552489A Method for controlling automatic operation of standby power by microcomputer of inner bridge and single bus connection |
10/07/2009 | CN101552488A Standby power system and power supply method thereof |
10/07/2009 | CN101552487A Uninterrupted power supply for battery pack vulcanization prevention and online capacity measurement |
10/06/2009 | US7599171 Electrical distribution panel including first non-critical load bus and second critical load bus |
10/06/2009 | US7598628 Automated bypass method and apparatus |
10/06/2009 | US7598627 Switch-mode power supply |
10/01/2009 | WO2009120608A1 Reduction of power consumption in remote control electronics |
10/01/2009 | WO2009120320A2 Generator ready load center |
10/01/2009 | WO2009069092A3 Arrangement and approach for coupling power supplies using controlled switching techniques |
10/01/2009 | CA2714982A1 Reduction of power consumption in remote control electronics |
09/30/2009 | EP2106010A1 Power plant and method for controlling said plant |