Patents
Patents for H02J 7 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries (94,693)
08/2004
08/25/2004CN2636481Y Carriage uninterrupted power source direct current electric source device
08/25/2004CN2636480Y Low temperature type non intermittent power source
08/25/2004CN2636479Y Maintenance free battery protection type charger
08/25/2004CN1523744A Method for supplying instant superhigh current and battery module for supplying instant superhigh current
08/25/2004CN1523729A Method and apparatus for generating electricity by animal power
08/25/2004CN1523728A Selector circuit for power management in multiple battery systems
08/25/2004CN1164004C Battery having built-in controller
08/25/2004CN1164003C Apparatus for obtaining product use information
08/25/2004CN1163987C Combined storage battery
08/25/2004CN1163369C Electric golf cart
08/24/2004US6781803 Reliability of redundant sequential circuits by cross-coupling individual circuit output signals between redundant circuit blocks
08/24/2004US6781350 Automotive dynamo controller
08/24/2004US6781349 Battery power source device
08/24/2004US6781348 Method of charging a storage battery
08/24/2004US6781347 Apparatus and method for stabilizing a charge circuit when a connection between a battery cell and the charge circuit is interrupted
08/24/2004US6781346 Charging unit for a contactless transfer of electric power as well as a power absorbing device and a charging system
08/24/2004US6781345 Battery module
08/24/2004US6781343 Hybrid power supply device
08/24/2004US6781256 Load voltage control for a field device
08/21/2004CA2562214A1 Circuit and method of operation for an electrical power supply
08/19/2004WO2004070960A1 Transmitter having supplemental power source
08/19/2004WO2004070911A1 Device for supplying power to a two-voltage vehicle electric system
08/19/2004WO2004070910A1 Power supply circuit for a motor vehicle electric system
08/19/2004WO2004070909A1 Pulse generation device for charging a valve-regulated lead-acid battery
08/19/2004WO2004070908A1 Secondary cell with bypass resistor and secondary cell protective method
08/19/2004WO2004069600A1 Dual-voltage vehicle electric system
08/19/2004US20040162698 Secondary battery control circuit
08/19/2004US20040161660 Methods to improve efficiency of lithium/silver vanadium oxide cell discharge energy in implantable medical device applications
08/19/2004US20040160716 Power supply detection circuit
08/19/2004US20040160214 Modular uninterruptible power supply
08/19/2004US20040160213 Selector circuit for power management in multiple battery systems
08/19/2004US20040160212 Battery adapter for a cordless power tool system and related method
08/19/2004US20040160211 Battery charger having fixed ends for winding and releasing wires
08/19/2004US20040160210 Battery adaptor to facilitate reconditioning in a smart charger
08/19/2004US20040160209 Power supply unit, distributed power supply system and electric vehicle loaded therewith
08/19/2004US20040159102 Photovoltaic power generating apparatus, method of producing same and photovoltaic power generating system
08/19/2004DE202004008075U1 Convertible voltage source e.g. for model automobile, includes solar collector table for conversion of solar energy into electrical energy
08/19/2004DE10304656A1 Charging unit for a hand held pistol grip electrical power drill has guides to locate drill in correct position
08/19/2004DE10304557A1 Motor vehicle capacitor battery has a plug in protection unit with a discharge resistance that is automatically connected to the battery whenever conditions exist in which a person could contact the battery directly or indirectly
08/18/2004EP1447897A1 Power management topologies
08/18/2004EP1447896A1 Charging device with multi-step voltage charging source
08/18/2004EP1447872A1 Electronic apparatus and method of controlling operation of the same
08/18/2004EP1446855A2 Method and device for supplying electric power to an appliance
08/18/2004CN2634709Y Three phase emergency power supply
08/18/2004CN2634708Y Automatic charger for accumulator
08/18/2004CN2634707Y Controllable rechargeable battery und linking state and battery
08/18/2004CN2634706Y Controllable rechargeable battery unit under linking state and combined battery
08/18/2004CN2634705Y Uniterrupted power supply for electric equipment with switch power supply
08/18/2004CN2634704Y Battery power supply device for movable digital equipment
08/18/2004CN2634703Y Electronic automatic releasing device of fire-proof rolling curtain controller
08/18/2004CN2634702Y Charging and drawing-exchanging device special for high efficiency electric vehicle
08/18/2004CN2634701Y Self charger of single cable remote control grab bucket
08/18/2004CN2634700Y On-line AC/DC uninterruptive power supply using inverse module
08/18/2004CN2634686Y UPS unit case bottom base
08/18/2004CN1521940A Electric power generating system for a vehicle
08/18/2004CN1521915A Renewable energy resource deflector having multiple function mode
08/18/2004CN1521914A Highly intelligent fuzzy control circuit for secondary battery charging control
08/18/2004CN1520968A Dual-mode non-isolated corded system for transportable cordless power tools
08/18/2004CN1162748C Device and method for predicting cell output voltage of digital camera
08/18/2004CN1162711C Instrument for measuring voltages of cell
08/17/2004US6778935 Monitor device, base device and information terminal device
08/17/2004US6778365 Charging circuit
08/17/2004US6777944 System for measuring battery current for electric vehicle
08/17/2004US6777917 Supercapacitor balancing method and system
08/17/2004US6777916 Multistage storage system for intermittent or unstable voltages
08/17/2004US6777915 Charger, battery pack, and charging system using the charger and battery pack
08/17/2004US6777913 Apparatus and method for shortening a charging time of a multi-battery
08/17/2004US6777912 Power source system for driving vehicle
08/17/2004US6777910 Rechargeable battery packs
08/17/2004US6777908 Method and apparatus for correcting and maintaining voltage balance in multiple cell battery configurations
08/17/2004US6777905 Voltage regulator for controlling output of automotive alternator
08/12/2004WO2004068726A2 Adaptive charger system and method
08/12/2004WO2004068684A2 Power supply apparatuses and power supply operational methods
08/12/2004WO2004068615A2 Improved hybrid battery power source for implantable medical device
08/12/2004WO2004038822A3 Device and method of monitoring the starting capability of a vehicle’s starter battery
08/12/2004US20040158357 Robot cleaner system having external recharging apparatus and method for docking robot cleaner with external recharging apparatus
08/12/2004US20040158296 Hybrid battery power source for implantable medical use
08/12/2004US20040155697 Charging circuit
08/12/2004US20040155661 Method and system for modeling energy transfer
08/12/2004US20040155634 Power circuit and communication device provided with same
08/12/2004US20040155631 Charger for mobile phone and operation method for the same and charging apparatus for mobile phone and charging method for the same
08/12/2004US20040155630 Charging controller for electric walkers
08/12/2004US20040155629 Apparatus for discharging a combination battery consisting of a plurality of secondary batteries
08/12/2004US20040155628 Continuous battery charger system
08/12/2004US20040155627 Selector circuit for power management in multiple battery systems
08/12/2004US20040155625 Two cordless activating chargers actuating one another about vehicles and performing the activation of other devices also
08/12/2004US20040155624 Power supply system
08/12/2004DE19938104B4 Andockvorrichtung zur Verwendung mit einem tragbaren Computer Docking device for use with a portable computer
08/12/2004DE10354874A1 Rechargeable battery pack for cordless power tool, has battery charger that charges two lithium batteries having different nominal voltages
08/12/2004DE10236165B4 Verfahren und Vorrichtung zum Symmetrieren der Kondensatoren einer Kondensatorbatterie Method and apparatus for balancing the capacitors of a capacitor bank
08/12/2004CA2514185A1 Improved hybrid battery power source for implantable medical device
08/11/2004EP1445813A2 Methods to improve efficiency of lithium/silver vanadium oxide cell discharge energy in implantable medical device applications
08/11/2004EP1445780A1 Power circuit and communication device provided with same
08/11/2004EP1444771A2 Distributed architecture control system for static power inverters
08/11/2004EP1444764A1 Charger for mobile telephone
08/11/2004EP1305865A4 Jump start battery pack and enclosure therefor
08/11/2004EP0934607A4 Hybrid energy storage system
08/11/2004CN2632933Y Unitary starting power generator
08/11/2004CN2632918Y Solar AC light
08/11/2004CN2632917Y Uninterrupted power supply for small generator supply