Patents for H02J 9 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting (16,437) |
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10/30/2008 | DE102008021547A1 Unterbrechungsfreie Stromversorgung, insbesondere für einen refraktiven Laser Uninterruptible power supply, especially for a refractive laser |
10/29/2008 | CN201142593Y Low-electromagnetic interference power supply circuit |
10/29/2008 | CN201142119Y Bidirectional remote control anti-theft alarm |
10/29/2008 | CN101296599A Power supplier |
10/29/2008 | CN101295934A Uninterrupted power supply with wide range of input voltage |
10/29/2008 | CN101295917A Pluggable electronic device with lock bar element |
10/29/2008 | CN101295916A Electronic device with electric power connection interface |
10/29/2008 | CN101295886A Active electric power regulating mechanism |
10/29/2008 | CN101295885A Redundancy power supply system |
10/29/2008 | CN101294513A Integrated system of communication base station and electric power |
10/29/2008 | CN101293485A Transportation means external connection electrical apparatus electric power management mode and apparatus |
10/29/2008 | CN100429858C Remote oil machine, electric network monitoring device and its harmonic analysis monitoring method |
10/29/2008 | CN100429857C Uninterrupted power device |
10/28/2008 | US7444530 Standby circuit for an electrical device |
10/23/2008 | WO2008126592A1 Instantaneous voltage drop compensator |
10/23/2008 | WO2008125163A1 Method for operating a wind energy system in case of overvoltage in the grid |
10/23/2008 | WO2008062174A3 An energy saving device |
10/23/2008 | US20080258628 Light Emitting Diode Emergency Lighting Methods and Apparatus |
10/23/2008 | US20080258556 Transfer Switch With Arc Suppression |
10/23/2008 | DE102008016788A1 Leuchtdiodenbasierte Notbeleuchtungsverfahren und-Vorrichtungen Light-emitting diodes based emergency procedures and devices |
10/23/2008 | CA2629681A1 Multiple generator loadcenter and method of distributing power from multiple generators |
10/23/2008 | CA2629642A1 Multiple generator loadcenter and method of distributing power from multiple generators |
10/22/2008 | CN201138784Y Special-purpose multifunctional standby power supply for body building apparatus |
10/22/2008 | CN101291078A On-line type digital electricity generating system with UPS function |
10/22/2008 | CN101291058A Double AC bus synchronizing apparatus for AC sourced system |
10/22/2008 | CN100428607C Uninterrupted power supply system with switching connection mechanism |
10/21/2008 | US7439708 Battery charger with control of two power supply circuits |
10/21/2008 | US7439635 Output suppressing method of a plurality of dispersed power sources and dispersed power source managing system |
10/16/2008 | WO2008103231A3 Method for reducing quiescent power draw and machine using same |
10/16/2008 | WO2008017014A3 Iso-parallel ups system configuration |
10/16/2008 | US20080252144 Uninterruptible power supply and method for controlling same |
10/15/2008 | CN201134697Y Uninterrupted power supplying standby electric generating plant |
10/15/2008 | CN201134689Y Circuit breaking time-delaying work circuit for mining high-voltage protector |
10/15/2008 | CN201134478Y Multifunctional emergency power supply for automobile |
10/15/2008 | CN101286853A Energy supply device and method for sensor node in wireless network |
10/15/2008 | CN101286653A Auto-switching control method based on EMS for stand-by power source in electric grid |
10/15/2008 | CN101286083A Large power server machine cabinet redundancy electric power supply system |
10/15/2008 | CN100426644C Power converter |
10/15/2008 | CN100426623C Uninterruptible power supply |
10/15/2008 | CN100426619C Sine wave generation circuit and uninterruptible power supply system using the same |
10/14/2008 | US7436080 Device for supplying power to a two-voltage vehicle electrical system equipped with safety-relevant components |
10/09/2008 | WO2008121954A1 Backpack based system for human electricity generation and use when off the electric grid |
10/09/2008 | WO2008121505A1 Rechargeable battery backup apparatus and method for an insulin pump |
10/09/2008 | WO2008121045A1 A device and a method for supplying power to a critical load |
10/09/2008 | WO2008120970A1 Pulse width controlled dc-dc converter having pulse width period control for influencing power consumption |
10/09/2008 | WO2008119997A1 Power saving circuit |
10/09/2008 | WO2008086340A3 Uninterruptable power supply |
10/09/2008 | US20080246339 Self-powered home automation installation and its method of operation |
10/09/2008 | CA2682713A1 Pulse width controlled dc-dc converter having pulse width period control for influencing power consumption |
10/09/2008 | CA2680681A1 Backpack based system for human electricity generation and use when off the electric grid |
10/08/2008 | EP1978618A1 Electrical appliance with reduced standby usage |
10/08/2008 | EP1977932A1 Automobile |
10/08/2008 | CN201130871Y Double-power-supply controller |
10/08/2008 | CN201130821Y Intelligent control apparatus for energy consumption system |
10/07/2008 | US7432617 Uninterruptible power system |
10/07/2008 | US7432615 Uninterruptable power supply system and method |
10/07/2008 | CA2339658C Uninterruptible power supply systems, voltage regulators and operating methods employing controlled ferroresonant transformer circuits |
10/02/2008 | WO2006039524A3 Programmable power adaptor |
10/02/2008 | US20080238205 Hybrid green uninterruptible power system and bi-directional converter module and power conversion method thereof |
10/02/2008 | US20080238204 Power mains data transfer system |
10/01/2008 | EP1976092A1 A power supply device |
10/01/2008 | CN201127007Y Energy-saving power supply for transformer theftproof system |
10/01/2008 | CN201126981Y UPS system for transformer substation of 220kV voltage class and above |
10/01/2008 | CN201126980Y Starting device for straddle carrier |
10/01/2008 | CN201126979Y UPS system for transformer substation below 220kV voltage class |
10/01/2008 | CN101278459A Power up circuit with low power sleep mode operation |
10/01/2008 | CN101277029A Method for maintaining operation of coal supply machine frequency transformer when switching instantly electric power of |
10/01/2008 | CN101277025A Power supply system electronic equipment and method for supplying power for load |
10/01/2008 | CN100423430C Wide bandwidth ac- DC power converter |
10/01/2008 | CN100423398C Ac power supply device |
10/01/2008 | CN100423357C Electronic device containing device for charging for batter device |
09/30/2008 | US7429807 Adjustable speed drive system for primary loop recirculation pump |
09/25/2008 | WO2008079528A3 Current sensor apparatus and method for uninterruptible power supply |
09/25/2008 | US20080231119 Uninterruptible power storage device |
09/25/2008 | US20080231118 On-demand uninterruptible power supply |
09/25/2008 | US20080231117 Power management topologies |
09/24/2008 | EP1972050A2 Electronic control transformer using dc link voltage |
09/24/2008 | CN201122862Y Power supply controller |
09/24/2008 | CN100421331C Uninterruptible power supply |
09/23/2008 | US7428675 Testing using independently controllable voltage islands |
09/19/2008 | WO2008111360A1 Uninterruptible power supply device |
09/19/2008 | CA2609578A1 Ethernet voltage source apparatus and method |
09/18/2008 | WO2008112528A1 Controller and method for using a dc-dc converter in a mobile handset |
09/18/2008 | WO2008092122A3 Uninterruptible a/c power supply transfer unit |
09/18/2008 | US20080225452 Advanced Feeder Architecture With Automated Power Restoration |
09/18/2008 | US20080224542 Universal switch control apparatus |
09/18/2008 | DE102008009907A1 Uninterruptible power supply device for printing press has electrical switching device to switch from mains to network storing energy from drive motor if required |
09/18/2008 | DE102007013354A1 Pflegebett mit elektrischer Notabsenkung Nursing bed with electric emergency lowering |
09/17/2008 | EP1969694A1 Backup power system |
09/17/2008 | EP1952502A4 Telecommunication system incorporating a vanadium redox battery energy storage system |
09/17/2008 | CN201118277Y Electrical source switching device |
09/17/2008 | CN201118276Y Earth leakage circuit-breaker inverse transmission preventing device |
09/17/2008 | CN201118275Y Control structure for energy supply starting-up and stopping |
09/17/2008 | CN201118274Y Electric appliance of automatically transferring switch |
09/17/2008 | CN201118273Y Power supply management circuit |
09/17/2008 | CN201118263Y Detection circuit for duplicate supply system |
09/17/2008 | CN201118236Y Segmental start-up sequence control circuit |
09/17/2008 | CN101266894A An intelligent high-voltage dual power conversion switch |
09/12/2008 | WO2008109264A1 Control of combined storage and generation in distributed energy resources |
09/12/2008 | WO2008049571A3 Power supply assembly |