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