Patents
Sitemap › H02 - Generation, conversion, or distribution of electric power › H02J - Circuit arrangements or systems for supplying or distributing electric power; Systems for storing electric energy › H02J 9 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
Patents for H02J 9 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting (16,437)
09/2000
09/19/2000US6121695 Modular power supply
09/19/2000US6121694 Back-up power supply serving to compensate temporarily for main power supply deficiency
09/13/2000EP1035628A1 Improvements relating to emergency lighting units and installations
09/13/2000EP1034614A1 Frequency converter and ups employing the same
09/13/2000EP1034597A1 Charge circuits for ups
09/13/2000EP1034595A1 Control loop for pulse charging lithium ion cells
09/13/2000EP0867063B1 Battery coupler
09/13/2000EP0794919B1 Reserve power system for elevators
09/12/2000US6118677 Motion control system having an auxiliary power supply
09/06/2000EP1032964A2 Universal power supply
09/05/2000US6115276 AC bus system with battery charger/inverter backup
09/05/2000US6115268 Method and apparatus for supplying uninterrupted power
08/2000
08/31/2000WO2000050810A1 Switch cover plate providing automatic emergency lighting
08/31/2000WO2000021180A9 Uninterruptible power supply systems, voltage regulators and operating methods employing controlled ferroresonant transformer circuits
08/31/2000DE19954597A1 Notbatterie für eine Echtzeituhr Emergency battery for a real-time clock
08/31/2000CA2329042A1 Switch cover plate providing automatic emergency lighting
08/29/2000US6112136 Software management of an intelligent power conditioner with backup system option employing trend analysis for early prediction of ac power line failure
08/29/2000US6111764 Power failure-free power supply apparatus
08/29/2000CA2138655C Capacitive energy source for damper and actuator motors
08/27/2000CA2299526A1 Improvements relating to emergency lighting units and installations
08/24/2000WO2000049700A1 Emergency light system
08/23/2000EP1030429A2 A redundant regulated power supply system with monitoring of the backup power supply
08/23/2000CN2393252Y Power-supply automatic switch-over screen
08/22/2000US6108217 Backup power circuit
08/22/2000US6107778 Line-replaceable battery disconnect module and method of manufacture thereof
08/22/2000US6107744 Back-up electrical systems
08/22/2000US6107698 Power supply circuit for electric devices
08/22/2000CA2243927C Emergency fluorescent inverter for magnetic and electronic ballasts
08/17/2000WO2000048287A1 Ferroresonance-suppressing static transfer switch
08/17/2000CA2298187A1 A redundant regulated power supply system with monitoring of the backup power supply
08/16/2000EP1027587A2 Power switching method for marine seismic acquisition systems
08/16/2000EP1027232A1 Control device for an operating function of a vehicle
08/16/2000CN1055574C Automatically-monitored engine-driven type assistant accumulator charging system
08/15/2000US6104622 Power supply apparatus for reduction of power consumption
08/15/2000US6104303 Battery detecting device for a radio pager
08/15/2000US6104160 Household power supply system using electric vehicle
08/15/2000US6104104 Uninterruptible power supply apparatus
08/15/2000US6104103 Simultaneous power supply source
08/15/2000US6104102 Multi-quality electric power supply apparatus
08/09/2000EP0886911A4 Ups card
08/09/2000CN1262544A Electronic equipment and battery unit
08/09/2000CN1262388A Electric system for motorcycle with electronic oil injection
08/08/2000US6100605 Neutral bonding system for uninteruptible power supply
08/08/2000CA2052683C A.c. electrical power supply installation with back-up power supply
08/02/2000EP1024576A2 Electronic equipment and battery unit
08/02/2000EP1023757A1 Method and system for distribution of stand-by electric power
08/01/2000US6097973 Electronic circuit for a portable electronic device
08/01/2000US6097584 Reserve d.c. power device
08/01/2000US6097109 Process and circuit layout for using an independent capacitor for the momentary retention of an output voltage when an input voltage is lost
08/01/2000CA2179577C Vehicle dual battery controller utilizing motion sensor
07/2000
07/31/2000CA2297360A1 Switching circuit which functions in conjunction with a 9-volt d. c. battery powered smoke detector and a 9-volt d.c. power adaptor
07/26/2000EP1022218A2 Marine power distribution arrangement
07/26/2000CN1261473A Uninterruptible power supply
07/25/2000US6094363 Uninterruptible power supply with AC sine wave output and energy recycle function
07/25/2000US6094130 Emergency power station for traffic control signals
07/20/2000WO2000042693A1 Device and method for distribution of uninterruptible electric power
07/19/2000EP1020983A2 Power circuit
07/19/2000EP1020981A2 Switching power supply unit
07/19/2000EP1020005A2 An electric power plant
07/18/2000US6091609 Electronic circuit card having transient-tolerant distribution planes
07/13/2000WO2000041288A1 Load shifting control system for commercial refrigeration
07/13/2000CA2358297A1 Load shifting control system for commercial refrigeration
07/12/2000EP1018794A2 Changeover switch for automatic changeover of emergency lights from emergency to mains operation
07/12/2000CN1259788A Power supply circuit
07/11/2000US6088638 Safety system for an electrical system
07/11/2000US6088243 Power supply apparatus
07/11/2000US6087740 Portable computer containing bidirectional current blocking MOSFET for battery disconnect switching
07/11/2000US6087039 Accumulator device for an electrical and/or electronic apparatus and telecommunication terminal having such a device
07/06/2000WO2000039908A1 A reserve power system for any battery operated device
07/05/2000EP1017150A2 Improvement to power supply systems, particularly for telephone plants
07/04/2000US6084390 Method and apparatus for increasing comparator gain without affecting standby current
07/04/2000US6084315 System for operating a control device in a motor vehicle
07/04/2000US6084313 Generator system with vertically shafted engine
06/2000
06/29/2000WO2000038260A1 Fuel cell stand-by energy supply system
06/28/2000EP1014535A2 Uninterrupted power supply system
06/28/2000CN1258391A Power pack
06/27/2000US6081104 Method and apparatus for providing energy to a lighting system
06/27/2000US6081101 Temperature switch controlled charging circuit
06/27/2000US6081096 Apparatus and method for discharging and charging a multiple battery arrangement
06/23/2000CA2293032A1 Uninterrupted power supply system
06/22/2000WO2000036830A1 Currentless standby circuit for devices with optical remote control
06/20/2000US6078826 Mobile telephone power savings method and apparatus responsive to mobile telephone location
06/20/2000US6078283 Remote seismic data acquisition unit with common radio and GPS antenna
06/15/2000DE19959400A1 Mains stage has main switch for main supply, relay controller that activates standby outputs when main source switched on, relay switch connecting second rectifier-smoother to power source
06/15/2000DE19836141C1 Verfahren und Überwachungsvorrichtung zur Überwachung wenigstens eines zur Notversorgung von elektrischen und/oder elektronischen Verbrauchern zuschaltbaren Batteriesatzes Procedures and monitoring device for monitoring at least one selectable for emergency electrical and / or electronic consumers battery pack
06/14/2000CN2383265Y Power supply converter for switch power source
06/14/2000CN1256544A 电源供电电路 Power supply circuit
06/14/2000CN1256442A Portable electronic equipment and control method of the same
06/13/2000US6075342 Fast battery charging system and method
06/13/2000US6075340 Battery pack having memory
06/11/2000CA2255283A1 Automatic electric power source transfer apparatus
06/08/2000WO2000033453A1 Motion control system having an auxiliary power supply
06/07/2000EP1006641A2 System and method for providing an uninterruptible power supply to a critical load
06/07/2000EP1006640A2 Portable electronic device and control method for controlling the protable electronic device
06/06/2000US6072250 Battery pack having a hibernate circuit
06/02/2000WO2000013289A3 Emergency operation device for a facility with an electric motor
05/2000
05/31/2000EP1005132A2 System and method for providing battery backup power
05/31/2000EP1004860A1 Electronic scale with standby operation
05/31/2000CN1254830A Electronic balance with wait state
05/30/2000US6069469 Controller for power converter
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