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| Number | Title | Issue Date |
| 8022673 | Lithium ion secondary battery system, and method for operating lithium ion secondary battery A drop of discharge or charge capacity in discharging or charging with a large current is reduced without changing a design of a lithium ion secondary battery itself. When the lithium ion secondary battery for a car or a vehicles such as an electric automobile and a... | 09/20/2011 |
| 7777452 | Lithium ion secondary battery system, and method for operating lithium ion secondary battery A drop of discharge or charge capacity in discharging or charging with a large current is reduced without changing a design of a lithium ion secondary battery itself. When the lithium ion secondary battery for a car or a vehicles such as an electric automobile and a... | 08/17/2010 |
| 7759901 | Battery monitoring system A system for the monitoring of the state of a battery used in a vehicle and to which electrical elements comprising at least one electrical consumer and/or at least one electrical generator are connected comprises means for the detection of the battery voltage, mean... | 07/20/2010 |
| 7363175 | Query based electronic battery tester An electronic battery tester for testing a storage battery provides a test output indicative of a condition of the battery. Electronic measurement circuitry provides a measurement output related to a condition of the battery. The battery condition is determined base... | 04/22/2008 |
| 7339354 | Rechargeable battery charging method and apparatus A method and an apparatus for charging a lithium-ion based rechargeable battery in a short time is provided. A terminal voltage of the rechargeable battery is compared with a predetermined first set voltage V1 while charging the rechargeable battery with a co... | 03/04/2008 |
| 7319304 | Shunt connection to a PCB of an energy management system employed in an automotive vehicle A method of coupling a shunt to a printed circuit board (PCB) of an energy management system is provided. The method includes coupling flexible electrical connectors to the shunt and soldering the flexible electrical connectors to connection points on the PCB of the... | 01/15/2008 |
| 7295936 | Electronic battery tester with relative test output An electronic battery tester for testing a storage battery determines a condition of the battery. The condition is a relative condition and is a function of a dynamic parameter of the battery and an empirical input variable. ... | 11/13/2007 |
| 7246015 | Alternator tester An alternator tester is provided for testing an alternator of a vehicle while the alternator is coupled to the vehicle. A sensor is configured to couple to the vehicle and sense a signal related to operation of the alternator. A memory contains data related to opera... | 07/17/2007 |
| 7239112 | Battery overcharging compensation system and method A method for compensating for overcharging of at least one battery includes calculating a charge rate for the at least one battery, comparing an overcharge accumulator value for the at least one battery with a maximum time limit value, comparing the calculated charg... | 07/03/2007 |
| 7218076 | Battery charging system A battery charging system comprising: a current source; a battery; and a voltage and current regulator, which regulates voltage applied to the battery and current supplied to the battery. The battery charging system shapes the current supplied to the battery, and ma... | 05/15/2007 |
| 7218077 | Systems and methods for signal generation using limited power A signal generator provides an output signal having a series of pulses and a pulse repetition rate. The signal generator includes an energy storage circuit and a switch control circuit. The energy storage circuit includes a switch operated by the switch control circ... | 05/15/2007 |
| 7203048 | DC to DC controller with inrush current protection A DC to DC controller for controlling an inrush current from a DC to DC converter to a battery system having an internal isolating switch. The DC to DC controller is configured to control the DC to DC converter based on a state of the internal isolating switch. If t... | 04/10/2007 |
| 7132833 | System for detecting defective battery packs An electrical cabinet for an uninterruptibe power supply (UPS) system includes universal slots that can receive power modules, battery packs, or chargers. The back plane of the slot has connector terminals for battery packs and power modules. The cabinet can be easi... | 11/07/2006 |
| 7126341 | Automotive vehicle electrical system diagnostic device An automotive vehicle electrical system diagnostic apparatus includes first and second electrical connections configured to electrically couple to an electrical system of an automotive vehicle which includes a battery. Digital samples are obtained during operation o... | 10/24/2006 |
| 7106070 | Broad-band low-inductance cables for making Kelvin connections to electrochemical cells and batteries A broad-band technique for reducing the distributed inductance of a four-conductor Kelvin cable is disclosed. A special inductance-canceling cable section is connected in tandem with the cable section contacting the cell/battery. Connections between the two cable se... | 09/12/2006 |
| 7102329 | Method of measuring the battery level in a mobile telephone Measuring the voltage level of a mobile telephone battery during a charging operation involves disabling the charge temporarily so that the battery rapidly enters discharge mode. The discharge mode voltage is more representative of the true battery charge level, so ... | 09/05/2006 |
| 7071655 | AC adapter having a function for lowering and heightening an adapter voltage Disposed in a secondary side circuit of an AC adapter (10A), a−ΔI detection circuit (45) detects that a charging current (Ic) lowers less than a set current value to produce a detected signal. A voltage control circuit (42A) operates so as to... | 07/04/2006 |
| 7034541 | Query based electronic battery tester An electronic battery tester for testing a storage battery provides a test output indicative of a condition of the battery. Electronic measurement circuitry provides a measurement output related to a condition of the battery. The battery condition is determined base... | 04/25/2006 |
| 7026791 | Electrochemical treatment method to reduce voltage delay and cell resistance in lithium/silver vanadium oxide cells It is known that reforming implantable defibrillator capacitors at least partially restores and preserves their charging efficiency. An industry-recognized standard is to reform implantable capacitors by pulse discharging the connected electrochemical cell about onc... | 04/11/2006 |
| 7012405 | Charging circuit for secondary battery A charging circuit for a secondary battery includes a constant-voltage circuit part outputting one of a plurality of predetermined constant voltages and charges the secondary battery by applying the constant voltage thereto, a detection circuit part detecting a batt... | 03/14/2006 |
| 7003410 | Electronic battery tester with relative test output An electronic battery tester for testing a storage battery determines a condition of the battery. The condition is a relative condition and is a function of a dynamic parameter of the battery and an empirical input variable. ... | 02/21/2006 |
| 7003411 | Electronic battery tester with network communication An electronic battery tester for testing a storage battery includes test circuitry configured to provide a battery test output related to a condition of the battery. A memory stores a battery tester address of the battery tester, and communication circuitry transmit... | 02/21/2006 |
| 6998847 | Electronic battery tester with data bus for removable module An electronic battery tester is provided for testing storage batteries. Battery test circuitry is configured to couple to the storage battery and measure a condition of the battery. A removable module is configured to couple to the battery tester to add increased fu... | 02/14/2006 |
| 6965216 | Method and apparatus for ameliorating electrolyte stratification during rapid charging An apparatus and method for recharging a rechargeable lead acid battery. The apparatus supplies an overcharge current to the battery during and before completion of recharging of the battery to ameliorate stratification of the battery. ... | 11/15/2005 |
| 6943530 | Battery charging system A battery charging system comprising: a current source; a battery; and a voltage and current regulator, which regulates voltage applied to the battery and current supplied to the battery. The battery charging system shapes the current supplied to the battery, and ma... | 09/13/2005 |
| 6943529 | Battery charging system A battery charging system comprising: a current source; a battery; and a voltage and current regulator, which regulates voltage applied to the battery and current supplied to the battery. The battery charging system shapes the current supplied to the battery, and ma... | 09/13/2005 |
| 6930468 | Discharge methodologies for optimizing the performance of lithium/silver vanadium oxide cells It is known that reforming implantable defibrillator capacitors at least partially restores and preserves their charging efficiency. An industry-recognized standard is to reform implantable capacitors by pulse discharging the connected electrochemical cell about onc... | 08/16/2005 |
| 6906523 | Method and apparatus for testing cells and batteries embedded in series/parallel systems A “three-point” measurement technique effectively removes system effects to determine impedance, admittance, resistance, or conductance of an individual cell, battery, or interconnecting conductor embedded in a series or series-parallel electrochemical battery o... | 06/14/2005 |
| 6271648 | Method of preconditioning a battery to improve cold temperature starting of a vehicle A method of preconditioning a battery 34 of a hybrid electric vehicle 10 to improve cold temperature starting of vehicle 10. The method utilizes the vehicle's electric starter/generator 16 to generate forward and reverse torque pulsations which draw power... | 08/07/2001 |
| 6118275 | Method and apparatus for measuring battery capacity using voltage response signal based on pulse current A method of measuring battery capacity using a voltage response signal based on a pulse current, where the method includes the steps of: measuring a voltage response signal based on a pulse current signal applied to a primary or secondary battery; perform... | 09/12/2000 |
| 6100664 | Sub-miniature high efficiency battery charger exploiting leakage inductance of wall transformer power supply, and method therefor A battery charger (100) suitable for sub-miniaturization and connection to a wall transformer power supply (20) to charge a battery (30). The battery charger (100) features a switch (130) that controls flow of current from the transformer (20) either to o... | 08/08/2000 |
| 6037751 | Method and apparatus for charging batteries A method and apparatus for efficiently charging lead-acid batteries applies small voltage steps to probe the charging efficiency of a battery being charged. The application of a voltage step causes the current to change from a base current to a surge curr... | 03/14/2000 |
| 6008625 | Use of double cells to power an implantable medical device A power source including two alkali metal/transition metal oxide cells discharged in parallel to power an implantable medical device is described. The first cell powers the medical device in both a device monitoring mode, for example in a cardiac defibril... | 12/28/1999 |
| 5694023 | Control and termination of a battery charging process A method and an apparatus for adjusting the process of charging a battery so as to charge the battery as rapidly as possible while avoiding overheating of or damage to the battery. The method provides for applying a charging pulse (C1) which provides an a... | 12/02/1997 |
| 5654622 | Secondary battery charging method and apparatus which controls protecting voltage level of battery protecting circuit A secondary battery is connected to a protecting circuit. The protecting circuit interrupts charging of the secondary battery when the battery voltage of the secondary battery reaches a first protecting voltage which is higher than a first voltage, the fi... | 08/05/1997 |
| 5633574 | Pulse-charge battery charger This pulse-charge battery charger charges Nickel-Cadmium and Nickel-metal hydride batteries having one or more cells and used with cellular telephones and camcorders. A battery is lowered into a finger accessible receiving volume and held by a magnetic fo... | 05/27/1997 |
| 5621297 | Process and apparatus for charging a battery A process for charging a cell is disclosed. In this process, a discharged cell is connected to a charger. Discharge pulses are periodically withdrawn from the cell. Charging pulses are provided by the charger, and they are delivered to the cell only when ... | 04/15/1997 |
| 5606240 | Battery charger A battery charger has a battery capacity detector for detecting the remaining battery capacity and a timer setter for controlling the timer setting that determines the battery charging time based on the results from the battery capacity detector. The batt... | 02/25/1997 |
| 5600227 | Electrical storage battery charger and conditioner The present invention provides a charging, discharging and conditioning method and apparatus that provides an improved method of breaking in new rechargeable batteries and reconditioning old batteries. Batteries are charged according to the method of the ... | 02/04/1997 |
| 5600226 | Methods of controlling the application and termination of charge to a rechargeable battery As a substantially constant charge current is applied to a battery, the voltage is periodically measured and the slope of the voltage characteristic is calculated. The minimum slope of the bottom peak of the slope profile is dynamically identified and, as... | 02/04/1997 |
