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