Patents
Patents for H02J 7 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries (94,693)
12/1999
12/07/1999US5998974 Charge/discharge control circuit and chargeable electric power source apparatus
12/07/1999US5998972 Method and apparatus for rapidly charging a battery of a portable computing device
12/07/1999US5998971 Apparatus and method for coulometric metering of battery state of charge
12/07/1999US5998970 Battery charging operation and a detection of a fully charged condition of the charged battery
12/07/1999US5998969 Apparatus for regulating state of charge of cells of battery set
12/07/1999US5998968 Method and apparatus for rapidly charging and reconditioning a battery
12/07/1999US5998967 Lithium-ion battery pack
12/07/1999US5998966 Microcontrolled battery charger
12/07/1999US5998965 Direct plug in power tool using single pair of contacts for both AC and DC currents
12/07/1999US5998964 Portable appliance charging system
12/07/1999US5998963 Electric vehicle service center and method for exchanging and charging vehicle batteries
12/07/1999US5998962 Apparatus for discriminating primary and secondary batteries
12/07/1999US5998961 Portable battery charger
12/07/1999US5998960 Power supply system for electric vehicle
12/07/1999US5998887 Battery test circuit for optical network and method of operation thereof
12/07/1999US5998886 Power supply apparatus having a function of compensating for changes in voltage
12/07/1999US5998881 Apparatus and method for controlling low engine idle RPM without discharging a vehicle battery by monitoring the vehicle alternator field modulation
12/07/1999US5998052 Composite battery and methods of forming same
12/03/1999CA2272382A1 Method and apparatus for obtaining product use information
12/02/1999WO1999062163A1 Storage battery equalizer with improved, constant current output filter, overload protection, temperature compensation and error signal feedback
12/02/1999WO1999062160A1 Method and equipment for controlling a power supply system
12/02/1999WO1999061193A1 Dual alternator with active control
12/02/1999DE19849493C1 Method of detecting residual accumulator charge for electrically powered vehicle
12/02/1999DE19824290A1 Energy transmission system for charging road or rail vehicle traction battery
12/02/1999DE19823668A1 Postal delivery vehicle with controlled access
12/01/1999EP0961466A1 Feeding and recharging unit for portable telephone sets, in particular for cellular telephones
12/01/1999EP0961465A1 System for connecting cellular telephones to a home telephone system
12/01/1999EP0961383A1 Method and device for testing the capacity of a storage capacitor in a passenger safety system
12/01/1999EP0961382A2 Method for charging secondary battery
12/01/1999EP0960459A1 Power transfer and voltage level conversion for a battery-powered electronic device
12/01/1999EP0960458A1 Circuit arrangement for preventing deep discharge of a battery
12/01/1999EP0767986B1 Battery recharging apparatus and method
12/01/1999CN1237283A Portable electronic device and method
12/01/1999CN1047037C Control circuit for protecting excess discharge of battery
11/1999
11/30/1999US5995375 Cell holder unit and electronic device using such
11/30/1999US5994880 Giant magnetroresistive ratio sensing system
11/30/1999US5994879 Charging circuit
11/30/1999US5994878 Method and apparatus for charging a rechargeable battery
11/30/1999US5994876 Battery capacity measurement circuit
11/30/1999US5994875 Battery charging apparatus and method with charging mode convertible function
11/30/1999US5994874 Battery charging system with battery pack of different charging voltages using common a battery charger
11/30/1999US5994873 Correction device and correction method for secondary batteries connected in series
11/30/1999US5994872 Apparatus for charging energy storage means from a multiphase power source
11/30/1999US5994871 Charging of secondary cells using transmitted microwave energy
11/30/1999US5994855 Automatic power adjustment system for introductory use of a vibrating device on a human body
11/30/1999US5994791 Portable controlled lighting system
11/30/1999US5994789 Control system for an electric vehicle
11/30/1999US5994787 Control system for a power supply changeover switch
11/30/1999US5993992 Battery pack with connecting battery modules
11/30/1999US5993250 Jumper cables with automatic safety switching
11/25/1999WO1999060688A1 An apparatus and method for recharging a battery
11/25/1999WO1999060687A1 Power system
11/25/1999WO1999060684A1 Overcharge protection, charger, electronic device and timepiece
11/25/1999WO1999060683A1 Battery pack protection circuit
11/25/1999DE19823009A1 Vorrichtung zur Ansteuerung elektrischer Verbraucher in einem Kraftfahrzeug Device for controlling electrical loads in a motor vehicle
11/25/1999DE19822242A1 Battery charger with contact switching system
11/25/1999CA2332846A1 Battery pack protection circuit
11/25/1999CA2332840A1 Power system
11/24/1999EP0959548A2 Electronic control circuit for the recharging of an accumulator battery, in particular for emergency lamps
11/24/1999EP0958966A2 Device for controlling electric consumers in a vehicle.
11/24/1999EP0958632A1 Battery operating system
11/24/1999EP0860045A4 Battery charger having battery temperature measurement probe
11/24/1999EP0853826A4 Battery pack having a disconnect switch circuit
11/24/1999EP0793862A4 Smart battery device
11/24/1999CN2350918Y Charger carried along with wireless mobile telephone
11/24/1999CN2350917Y Cell charger
11/24/1999CN2350916Y Solar AC & DC power supply device
11/24/1999CN1236250A Portable radiotelephone arrangement
11/24/1999CN1236217A Power supply apparatus and method for mobile communication terminal
11/24/1999CN1236214A Charging and discharging control circuit and charging type power supply device
11/23/1999US5991170 Equipment and method for transmitting electric power
11/23/1999US5991167 DC to DC power converter including synchronous output rectifier circuit
11/23/1999US5990666 Charging generator having a short protection circuit
11/23/1999US5990665 Power circuit
11/23/1999US5990664 Process and apparatus for modulating terminal voltage of battery
11/23/1999US5990663 Charge/discharge control circuit and charging type power-supply unit
11/23/1999US5990662 Nickel battery charging method and apparatus
11/23/1999US5990659 Battery pack that communicates intrinsic information over battery voltage terminals
11/23/1999US5990577 Hub for local area network with backup power supply system
11/23/1999US5990576 Power supply voltage supplying circuit
11/23/1999US5990570 Power supplying apparatus for a vehicle and an intensive wiring apparatus
11/18/1999WO1999037039A3 A multi-frequency voltage regulating circuit incorporating a magnetic field sensor and programmable magnetic field detection
11/18/1999DE19922071A1 Aufbau eines tragbaren Funktelefons Construction of a portable radiotelephone
11/17/1999EP0957560A2 Method for detecting fully charged condition of secondary battery and detector using the same
11/17/1999EP0956690A2 Emergency telephone with automatic low-battery signaling
11/17/1999EP0956630A2 Universally interchangeable and modular power supply with integrated battery charger
11/17/1999EP0956220A1 Switch arrangement for electric control unit
11/17/1999CN2349717Y Solar energy power source with current-charging indication
11/17/1999CN2349679Y Electricity charger for cell
11/17/1999CN1235706A Auxiliary battery sensor switch
11/17/1999CN1235701A Belt clip holder with auxiliary battery
11/17/1999CN1235385A Method and apparatus for charging batteries
11/17/1999CN1235277A Method and device for determining fully charged capacity of secondary battery
11/16/1999US5986908 Magnetic-coupling multivibrator
11/16/1999US5986865 Battery protection device and a battery device employing such a battery protection device
11/16/1999US5986439 Method of controlling an automotive charging system in response to transient electrical loads
11/16/1999US5986437 Power supply system for portable electronic devices
11/16/1999US5986436 Electric power recovering system
11/16/1999US5986435 Method of utilizing a battery powered system having two processors
11/16/1999US5986434 Controller system for a DC power supply