Patents
Patents for H02J 7 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries (94,693)
04/1998
04/07/1998US5737209 Power quality and demand management module
04/07/1998US5736836 Battery discharge gas control system
04/07/1998US5736835 Battery pack, a charger, and a method of detecting the remaining capacity of secondary cells
04/07/1998US5736834 Battery charger and method for completing charging at designated time
04/07/1998US5736833 Rapid battery charging circuit with overvoltage shunt
04/07/1998US5736832 Multiple function battery charger, self-configuring as supply voltage regulator for battery powered apparatuses
04/07/1998US5736831 Power limiting circuit for electric vehicle battery charger
04/07/1998US5736830 Mobile telephone charger
04/07/1998US5736793 Control system for electrical components of a motor vehicle
04/07/1998US5736271 Battery pack for portable electronic device
04/02/1998WO1998013924A1 Battery charger
04/02/1998WO1998013923A1 Battery protective circuit
04/02/1998DE19741194A1 Fault detection apparatus for changeover switch
04/02/1998DE19741193A1 Control system for power supply changeover switch
04/02/1998DE19740535A1 Battery charger, especially for nickel@ cadmium@ batteries
04/02/1998CA2238687A1 Battery charger
04/02/1998CA2238106A1 Battery protection circuit
04/01/1998EP0832439A1 Battery gauge
04/01/1998EP0832391A1 Radio frequency energy management system
04/01/1998CN2277612Y Self-charging battery device for mobile telephone
03/1998
03/31/1998US5734287 Control of distortion in a line-powered amplifier with a rail-to-rail output voltage swing
03/31/1998US5734254 Battery pack and charging system for a portable electronic device
03/31/1998US5734253 Multiple station charging apparatus with stored charging algorithms
03/31/1998US5734252 Method and apparatus for charging a battery of an electronic device using an intelligent external charger
03/31/1998US5734237 Integrated DC electric controller/charger
03/31/1998US5734205 Power supply using batteries undergoing great voltage variations
03/26/1998WO1998012792A1 Voltage control device
03/26/1998WO1998012791A1 System and method for automatically enabling rapid charging of a battery in a portable phone
03/26/1998WO1998012790A1 Power unit and charger for a battery powered electrical apparatus and method
03/26/1998WO1998012789A1 Battery charging methods and apparatuses
03/26/1998WO1998012788A1 An apparatus for selectively activating a plurality of devices
03/26/1998DE19638357A1 Einrichtung zur Spannungsregelung Voltage regulating device
03/26/1998DE19637574A1 Verfahren und Anordnung zur Abschaltung von Verbrauchern Method and apparatus for shutdown of consumers
03/26/1998DE19637360A1 Network-coupled photovoltaic device
03/26/1998CA2266774A1 Power unit and charger for a battery powered electrical apparatus and method
03/25/1998EP0831571A2 Charging control system
03/25/1998CN1177269A Apparatus and method for identifying type and brand of battery for portable device
03/25/1998CN1177228A Circuit for detecting overcharging and overdischarging
03/25/1998CN1037883C Differential pressue conversion charging circuit
03/24/1998US5731693 Power supply for cellular communication stations
03/24/1998US5731692 System and method for limiting overshoot in a voltage and current control circuit
03/24/1998US5731690 Electric power supply system for vehicle
03/24/1998US5731689 Control system for A.C. generator
03/24/1998US5731686 Embedded battery overtemperature protection and voltage regulator circuitry
03/24/1998US5731685 Battery management system
03/24/1998US5731684 Method and apparatus for regenerating primary cells
03/24/1998US5731683 Electronic apparatus
03/24/1998US5730243 Assist device for use in electric vehicles
03/19/1998WO1998011647A1 Apparatus and method of monitoring battery temperature during charging
03/19/1998WO1998011646A1 Battery-powered electrical device
03/19/1998WO1998011644A1 Method and arrangement for disconnecting consumers
03/19/1998WO1998011620A1 Power supply and method of protecting batteries therein
03/19/1998DE19740971A1 Electrical power-supply control device for motor vehicle IC engine electrically heatable catalytic converter
03/19/1998DE19638953A1 Electronic clock or watch with rechargeable internal battery
03/19/1998DE19638062A1 Alkaline-manganese dry battery charging method
03/18/1998EP0829967A2 A TDMA mobile communication device for reducing a power consumption
03/18/1998EP0829941A1 Alternator voltage regulation system
03/18/1998EP0829389A2 Power output apparatus and method of controlling the same
03/18/1998EP0829124A1 Device and process for generating a regulated voltage
03/18/1998EP0829074A1 Method and apparatus for providing serial, in-pack programmability for a microcontroller
03/18/1998CN2276682Y Voltage stabilizing inverter source
03/18/1998CN2276681Y Universal back-up type square wave uninterrupted power source
03/18/1998CN1176525A Alternating current generator control apparatus for vehicle
03/18/1998CN1176195A Storage battery voltage control apparatus
03/17/1998US5729117 Apparatus and method for charging a plurality of batteries using a combination of individual and parallel connections
03/17/1998US5729116 Shunt recognition in lithium batteries
03/17/1998US5729115 Apparatus and method for identifying and charging batteries of different types
03/17/1998US5729061 Over discharge protection circuit for a rechargeable battery
03/12/1998WO1998010610A1 Mobile station operations management based on battery capacity
03/12/1998WO1998010503A1 Methods and apparatus for providing startup power to a genset-backed uninterruptible power supply
03/12/1998WO1998010502A1 Battery charger with charging current variation based on a temperature difference between the battery and its environment
03/12/1998DE19708019A1 Bipolar integrated semiconductor circuit with cross-polarity connection protection
03/11/1998EP0828383A2 Electronic camera and battery voltage controlling method employed therein
03/11/1998EP0828334A2 Overcurrent protection circuitry for non-isolated battery discharge controller
03/11/1998EP0828304A2 Storage battery voltage control apparatus
03/11/1998CN2276223Y Simple multifunctional charger with recovery capability
03/11/1998CN2276222Y Voltage feedback charger
03/11/1998CN2276221Y Capacitance type charger
03/11/1998CN2275916Y Welded-contact charging multiple-purpose machine
03/11/1998CN1175876A Portable telephone with built-in charger
03/11/1998CN1175777A Cooling charge cable for electric vehicle
03/11/1998CA2214750A1 System for preventing a vehicle battery from being excessively discharged
03/10/1998US5726636 Emergency telephone with automatic low-battery signaling
03/10/1998US5726559 Synchronous electric power generating apparatus and magnetization control method for the same
03/10/1998US5726558 AC power generating apparatus and method
03/10/1998US5726557 Vehicular electric power system
03/10/1998US5726555 Battery charger capable of displaying necessary charging time
03/10/1998US5726554 Charging a battery having a nominal critical terminal voltage
03/10/1998US5726553 Dual battery system control circuit
03/10/1998US5726552 Method and apparatus for controlling charging of electrical power storage unit
03/10/1998US5726551 Battery charging device having time shared charging cycle
03/05/1998WO1998009364A1 Method and device for controlling the voltage across individual cells in a battery
03/05/1998WO1998009363A1 Swivel plug for electrical adapter
03/05/1998WO1998009361A1 Power supply
03/05/1998WO1998001917A3 Accumulator and charging set for an accumulator
03/05/1998WO1997048162A3 Apparatus and method for identifying and charging batteries of different types
03/05/1998DE19737406A1 Fuel cell system for electric vehicle
03/05/1998DE19736414A1 Electric motor vehicle, such as electric locomotive or electric vehicle fitted with battery and motor/generator set
03/05/1998DE19635606A1 Low voltage direct current to high voltage alternating current converter
03/05/1998CA2234734A1 Power supply unit