Patents for H02J 9 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting (16,437)
11/2011
11/03/2011WO2011135293A2 Power supply for telecom base station
11/03/2011WO2011134247A1 Power-fail retaining circuit, method and power supply system
11/03/2011WO2011065679A3 Uninterrupted power supply system and uninterrupted power supply device
11/03/2011US20110266874 Device arrangement comprising an electronic device and a power adapter and method for connecting a power adapter
11/03/2011US20110266872 Temperature-sensing uninterruptible power supply system and method for controlling the same
11/02/2011CN202026509U Intelligent LED lamp
11/02/2011CN202026134U Electric delay two-stage braking power supply device for coal mine explosion-proof hoist
11/02/2011CN202026133U Dual-power automatic transfer switch
11/02/2011CN202026132U Alternating current power supply automatic switching device with fault point detection function
11/02/2011CN202026131U Power supply switching automatic generating unit
11/02/2011CN202026130U Urban road photovoltaic illumination centralized power supply system
11/02/2011CN202026129U AC power supply device of marine intelligent diesel engine electric control system
11/02/2011CN202026128U Uninterrupted power supply structure of battery
11/02/2011CN202026127U Integrated fuel battery backup power supply system for on-site hydrogen production
11/02/2011CN202026126U Alternating current power supply module for communication
11/02/2011CN202026104U Dual-power automatic transfer switching equipment
11/02/2011CN202026099U Wind optoelectronic complementary intelligent management system
11/02/2011CN202026089U Automatic control device for power saver
11/02/2011CN202025497U Energy saving billboard using lithium ion battery new energy and photovoltaic power generation for complementary power supply
11/02/2011CN102231565A Dual power supply local fan integration control system
11/02/2011CN102231564A Stand-by power supply automatic switch method for multi-stage series connection power supply network
11/02/2011CN102231563A Spare power automatic switching control system for safety power supply of power station
11/02/2011CN102231562A Uninterrupted device of anti-maloperation in electrical substation
11/02/2011CN102231561A Uninterrupted power supply control device and method of signal detection alarm system for ship
11/02/2011CN102231560A Intelligent distributed maximum generation power point tracking coordination control system
11/02/2011CN102231528A Power supply and distribution system for electric vehicle centralized charging station
11/01/2011US8049367 Power supply system, vehicle with the power supply system and power supply system control method
11/01/2011US8049365 Power device and power device power supply method
11/01/2011US8049364 Back-up power system
10/2011
10/27/2011WO2011023637A3 Control system for a wind turbine
10/27/2011US20110264292 Adjustable ups protection
10/27/2011US20110261547 Standby power control in a multiple power supply environment
10/27/2011US20110260686 Universal battery pack and powering system
10/27/2011US20110260543 Converter device and uninterruptible power supply equipped with one such device
10/27/2011US20110260542 Power control circuit
10/27/2011US20110260541 Uninterrupted power supply apparatus
10/27/2011US20110260540 Backup power supply for a vehicle
10/27/2011US20110260539 High Efficiency Backup-Power Circuits for Switch-Mode Power Supplies
10/27/2011US20110260538 High reliability dual power sources automatic switch circuit and isolation apparatus of the same
10/26/2011EP2380257A2 Energy efficient power adapter
10/26/2011EP2260563B1 Electrical appliance monitoring systems
10/26/2011CN202019230U Three-phase linkage current switching device
10/26/2011CN202019229U Control station for kiln tail electric room
10/26/2011CN202019228U Double power supply device of high voltage frequency converter controller
10/26/2011CN202019227U Air conditioner and power supply system thereof
10/26/2011CN202019218U Travel charger with phone card holder
10/26/2011CN202018607U Temperature intelligent monitoring system for digital transformer
10/26/2011CN202017984U Buried LED emergency pilot lamp for subway
10/26/2011CN102227859A Uninterruptible power supply device
10/25/2011US8044535 Backup power system
10/23/2011CA2737985A1 Universal battery pack and powering system
10/20/2011WO2011129995A1 Module and method with minimal standby loss
10/20/2011WO2011129471A1 Automatic power source switching device for led lighting
10/20/2011US20110254560 Electrical Systems and Battery Assemblies
10/20/2011US20110254372 Alternative-Source Energy Management
10/20/2011US20110254269 High efficiency cogeneration system and related method of use
10/19/2011EP2378626A1 High reliability dual power sources automatic switch circuit
10/19/2011EP2378625A2 Backup power supply for a vehicle
10/19/2011EP2378623A2 Portable electronic apparatus and charging apparatus
10/19/2011EP2378621A2 Apparatus and system for controlling power saving in a bidet
10/19/2011CN202014135U Interval measure and control device for switch
10/19/2011CN202014134U Double-commutator power supply system
10/19/2011CN202014133U Mains supply/storage battery automatic switching system for solar LED (light-emitting diode) street lamp
10/19/2011CN202014132U Power source switching circuit
10/19/2011CN202014131U Standby power supply for electric induction door
10/19/2011CN202014130U Fire-fighting water pump automatic polling emergency power supply unit
10/19/2011CN202014119U Electric automobile charging system
10/19/2011CN202014077U Multi-function vehicle-mounted power supply protector
10/19/2011CN102224654A Standby power supply device
10/19/2011CN102222976A Auxiliary power supply and power supply system for power system
10/19/2011CN102222975A Intelligent switched four-station load switch with double power supplies
10/19/2011CN102222974A Far-end and local sampling control circuit for power supply
10/19/2011CN102222973A Direct-current power supply device for variable-propeller controller of large wind motor
10/19/2011CN102222972A Switching circuit and power supply device
10/19/2011CN102222971A Device capable of preventing abnormal reversely-fed electricity
10/19/2011CN102222970A Uninterrupted power supply device
10/19/2011CN102222969A Dual power supply circuit system
10/19/2011CN102222968A AC (Alternate Current) complementation method for multipower system
10/19/2011CN102222904A Direct-current dual-circuit power supply for supplying power
10/19/2011CN102222875A Lightening protection, overcurrent, overvoltage-undervoltage protection circuit and control method
10/19/2011CN102221868A Standby power generating circuit
10/18/2011US8039989 Apparatus, system, and method for a low cost multiple output redundant power supply
10/13/2011WO2011126221A2 Power control system by using distributed generation
10/13/2011WO2011124723A1 Modular led lighting system having emergency light function
10/13/2011WO2011124721A1 Modular led lighting system having an emergency light function
10/13/2011WO2011123963A2 Electronic circuit for measuring the light of light-emitting diodes used in an emergency lamp
10/13/2011WO2010052197A3 Generator unit for a motor vehicle on-board network
10/13/2011DE202011050987U1 Redundantes Energieversorgungssystem Redundant power supply system
10/13/2011DE102010016392A1 Interface for connecting emergency lighting system and building conductive system, has memory for storing data of emergency lighting system which is read by building conductive system
10/13/2011DE102010003797A1 Modulares LED-Beleuchtungssystem mit Notlichtfunktion Modular LED lighting system with emergency
10/12/2011EP2375858A1 Electronic switch for measuring light in an emergency light using light diodes
10/12/2011EP2375542A2 Power tool system
10/12/2011EP2118986B1 Apparatus for conserving battery power
10/12/2011CN202009263U Three-way power supply automatic switching module
10/12/2011CN202009262U Wind energy solar energy emergency power supply apparatus for ocean platform
10/12/2011CN202006737U Vehicle power supply system, power supply, mounting device and power adapting device
10/12/2011CN102217424A Lighting system having security lighting
10/12/2011CN102214953A Containerized type electric distribution system
10/12/2011CN102214952A Uninterruptible power supply system for avoiding electric arc generation and cabinet with same
10/12/2011CN102214918A High-reliability power supply system, method and frequency converter system
1 ... 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 ... 165