| Patents for H02J 9 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting (16,437) |
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| 07/25/2006 | US7082040 Power factor corrected UPS with improved connection of battery to neutral |
| 07/25/2006 | US7080788 Modular, portable data processing terminal for use in a radio frequency communication network |
| 07/20/2006 | WO2006075927A1 Uninterruptible power supply source |
| 07/20/2006 | WO2006007238A3 Dc/dc converter with multiple mutually-isolated power sources |
| 07/20/2006 | WO2005096467A8 Electric installation for coupling a power supply system and a central direct current branch and method for operating an installation of this type |
| 07/20/2006 | US20060158222 Testing using independently controllable voltage islands |
| 07/20/2006 | US20060158038 Frequency Converter for an Immersion Vibrator |
| 07/20/2006 | US20060158037 Fully integrated power storage and supply appliance with power uploading capability |
| 07/20/2006 | US20060158036 Backup circuit |
| 07/20/2006 | US20060157987 Fuel saving engine driven aircraft ground power device and method of use |
| 07/19/2006 | EP1681908A1 Emergency lighting device for airctraft |
| 07/19/2006 | EP1680853A2 Systems and methods for switching to a back-up power supply |
| 07/19/2006 | CN2798397Y Power supplier for water heater |
| 07/19/2006 | CN2798396Y Antic interference emergency electric source |
| 07/19/2006 | CN2798395Y Full automotic power supplier |
| 07/19/2006 | CN2798378Y Reciprocal internetwork combined power station |
| 07/19/2006 | CN2798376Y Double power combined electrical switch |
| 07/19/2006 | CN1805240A Power supply circuit for electronic devices |
| 07/19/2006 | CN1265526C System and methods for producing standby uninterruptible power for AC loads using rectified AC and battery |
| 07/18/2006 | US7078914 Parallel monitor circuit and semiconductor apparatus |
| 07/13/2006 | WO2006073300A1 Mobile alternating current supply system for semaphores |
| 07/12/2006 | EP1679778A1 Nickel hydrogen/nickel cadmium battery charger with the function of emergency power supply |
| 07/12/2006 | EP1559179A4 Hybrid variable speed generator/uninterruptible power supply power converter |
| 07/12/2006 | CN2796219Y Self adaptive main changing, mothed connection and liaison line spare self projection device |
| 07/12/2006 | CN2796218Y Electric control disc for waste water treating device for ship |
| 07/12/2006 | CN1801573A Incoming line power supply rapid turning switching method |
| 07/12/2006 | CN1801572A Communication power supply module with assistant power supply |
| 07/11/2006 | US7075193 Power factor correcting circuit for uninterrupted power supply |
| 07/06/2006 | US20060145542 Auxiliary power supply for vehicle |
| 07/06/2006 | US20060145536 Device for supplying power to a two-voltage vehicle electric system |
| 07/05/2006 | CN2794014Y Fast starting emergent power supply of two-foot eneregy-saving tube |
| 07/05/2006 | CN1797247A Power managing electronic apparatus |
| 07/05/2006 | CN1263211C Power system |
| 07/04/2006 | US7072195 Modular AC voltage supply and algorithm for controlling the same |
| 07/04/2006 | US7072189 Power supply |
| 07/04/2006 | US7071933 Power controlling system |
| 07/04/2006 | US7071625 LED illuminator with capability of stable brightness |
| 07/04/2006 | US7071581 Uninterruptible power supply system using a slip-ring, wound-rotor-type induction machine and a method for flywheel energy storage |
| 07/04/2006 | US7071580 Uninterruptible power supply apparatus |
| 06/29/2006 | WO2006069337A1 Switching mechanism with mechanical interlocking and manual override |
| 06/29/2006 | US20060138868 Power transfer switch assembly |
| 06/29/2006 | US20060138867 Modular AC power supply system with fault bypass and method of switching output modes |
| 06/29/2006 | CA2591838A1 Switching mechanism with mechanical interlocking and manual override |
| 06/28/2006 | CN2792001Y Emergency power soure system |
| 06/28/2006 | CN2792000Y Emergency power source system |
| 06/22/2006 | WO2006064209A1 Device for detecting an electrical power supply failure |
| 06/21/2006 | EP1672765A1 Backup circuit |
| 06/21/2006 | EP1671409A2 Method and system for managing battery power |
| 06/21/2006 | CN1792015A Backup circuit |
| 06/21/2006 | CN1790864A Stand-by power supply with AC-DC power input |
| 06/21/2006 | CN1790861A Power management system and method |
| 06/21/2006 | CN1790203A Power supply voltage generation circuit |
| 06/20/2006 | US7065390 Low cost power back-up system for cordless telephone system |
| 06/15/2006 | WO2005074056A3 Power terminal block |
| 06/15/2006 | US20060129851 Electrical supply apparatus and device and electrical power supply module |
| 06/15/2006 | US20060125436 Power supply circuit of a high speed electric motor |
| 06/15/2006 | US20060125321 Electrically operated product, circuit for allowing a backup battery to be physically connected without being electrically connected |
| 06/14/2006 | EP1670115A1 Uninterruptible power supply for limitation of peak load |
| 06/14/2006 | DE102004035126B4 Circuit structure for supplying a load with an alternative voltage uses two or more sources of voltage linked to supply voltage connections |
| 06/13/2006 | US7062661 Method for controlling a power supply in an external terminal connection of a personal data assistant |
| 06/13/2006 | US7061141 Parallel operation method for an uninterruptible power supply apparatus |
| 06/13/2006 | US7061140 Power supply, and apparatus and method for operating a power supply |
| 06/13/2006 | US7061139 System for providing assured power to a critical load |
| 06/13/2006 | US7060379 Method and system for controlling and recovering short duration bridge power to maximize backup power |
| 06/08/2006 | WO2006059016A1 Module for charging and discharging a storage device |
| 06/08/2006 | US20060119184 Methods and apparatus providing double conversion/series-parallel hybrid operation in uninterruptible power supplies |
| 06/08/2006 | US20060117753 Method of and apparatus for producing uniterruptible power description |
| 06/08/2006 | DE4445814B4 Ladegenerator mit Selbstdiagnosefunktion Charging generator with self-diagnostic function |
| 06/07/2006 | EP1665903A1 Control system for several distributed lamp-operating devices, and method for initializing such a control system |
| 06/07/2006 | EP1665496A1 Charging device for charging a battery and method for the operation thereof |
| 06/07/2006 | EP1206827A4 Direct conversion uninterruptible power supply |
| 06/07/2006 | CN1783942A Electrical supply apparatus and device and electrical power supply module |
| 06/07/2006 | CN1783640A Integrity testing of isolation means in an uninterruptible power supply |
| 06/07/2006 | CN1783633A Control method for fuel cell safety operation |
| 06/06/2006 | US7057351 Emergency lighting function illumination appliance |
| 06/06/2006 | US7057309 Electrical apparatus, computer, power switching unit, and power switching method |
| 06/06/2006 | US7057308 Battery connect/disconnect for an uninterruptible power supply |
| 06/06/2006 | CA2375388C Generator transfer switching system with multiple generator modes |
| 06/01/2006 | DE102004057690A1 Charging device for an electrical energy store connected to a source as for motor vehicle airbags has clocked voltage converter and current limiter |
| 05/31/2006 | EP1661227A2 Uninterruptible power supply |
| 05/31/2006 | CN2785234Y Machine frame power supply controlled double backup structure |
| 05/31/2006 | CN2785233Y Modularization parallel connection inversion power supply equipment |
| 05/31/2006 | CN1781230A Capacitor unit |
| 05/31/2006 | CN1780085A System and method for dynamic USB power source |
| 05/31/2006 | CN1257831C Prepared power supply device for lift systems and method of emergency powder supply |
| 05/30/2006 | US7053691 Electrical circuit for selecting a desired power source |
| 05/30/2006 | US7053502 Power supply with uninterruptible function |
| 05/26/2006 | WO2005091460A3 Web-enabled ups |
| 05/25/2006 | US20060111815 Method and apparatus for power management control of a cooling system in a consumer accessible appliance |
| 05/25/2006 | US20060108875 Integrity testing of isolation means in an uninterruptible power supply |
| 05/24/2006 | EP1659415A2 Integrity testing of isolation means in an uninterruptible power supply |
| 05/24/2006 | CN2783601Y Rechargeable wireless sound box |
| 05/23/2006 | US7050312 Multi-mode uninterruptible power supplies and methods of operation thereof |
| 05/23/2006 | US7049711 Uninterruptible power system |
| 05/22/2006 | CA2527247A1 Integrity testing of isolation means in an uninterruptible power supply |
| 05/18/2006 | WO2006051843A1 Power supply apparatus |
| 05/18/2006 | US20060105721 Ruggedized tradesworkers radio |
| 05/18/2006 | US20060103368 Rechargeable powering system in an electricity meter |
| 05/18/2006 | US20060103242 Uninterruptible power supply facility |
| 05/18/2006 | DE10320952B4 Verfahren zur Ansteuerung des Bordnetzes eines Kraftfahrzeuges A method of driving of the electrical system of a motor vehicle |