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| Number | Title | Issue Date |
| 8120324 | Method and apparatus to provide battery rejuvenation at or near resonance A system and method adapted to rejuvenate batteries at or near the resonant frequency of the battery. The present invention takes a battery and applies a modulated current charging signal to increase battery performance. A resonant signal is adapted to re-train and ... | 02/21/2012 |
| 7880437 | Quick conditioning memory backup battery A quick conditioning cycle system to avoid performance degradation at the end of calibrating cycle. The quick conditioning cycle system discharges a battery to a level where battery remaining capacity is still high enough to backup memory at a guaranteed period of t... | 02/01/2011 |
| 7872448 | Power supply system and portable equipment using the same A power supply system for portable equipment has a lithium-ion secondary battery as a power supply, a temperature detection portion for detecting a temperature of the power supply, a voltage detection portion for detecting a voltage of the power supply, a memory por... | 01/18/2011 |
| 7564220 | Method and electronic circuit for efficient battery wake up charging A method for efficiently charging a battery. The method includes producing a first signal having a voltage level dependent on the voltage of the battery, comparing the voltage level of the first signal with a settable voltage representative of a maximum battery char... | 07/21/2009 |
| 7332892 | Method for predicting the voltage of a battery The present invention discloses a method for predicting the voltage of a battery, in particular a vehicle battery. The method according to the invention makes it possible to predict a voltage drop before it actually occurs as a result of a load. For this purpose, a ... | 02/19/2008 |
| 7301307 | Method and apparatus to charge a battery using determination of battery load current By determining charging current Ichar and then subsequently utilising that determination of charging current Ichar in relation to battery current Ibat and load current Iload as a result of operation of a phone or other ele... | 11/27/2007 |
| 7279867 | Method for balancing cells or groups of cells in a battery pack A method for balancing cells or groups of cells connected in parallel and in series for a battery pack by providing a continuously balanced state of charge while in a discharge phase, a charge phase, a quiescent phase, a storage phase, or combinations of these phase... | 10/09/2007 |
| 7274170 | Battery pack control module A battery pack control module for balancing a plurality of cells or groups of cells connected in series includes a controller assembly, a disconnect circuit, a pack sensing circuit, a balancing circuit, and computer instructions for instructing the controller assemb... | 09/25/2007 |
| 7259538 | Adaptive battery conditioning employing battery chemistry determination Adaptive battery conditioning employs battery chemistry determination to establish how, when and whether to condition a battery. As a result, the conditioning is optimized for the determined battery chemistry. Further, conditioning of a battery that is not condition... | 08/21/2007 |
| 7205747 | System and method for monitoring a charging period in a battery charger An apparatus and method for disabling a charging counter circuitry within a battery charger is disclosed. The apparatus includes circuitry connected to a pin associated with the charging counter circuitry of the battery charger, said circuitry receiving a signal fro... | 04/17/2007 |
| 7199556 | Method for extending power duration for lithium ion batteries A method for extending the power duration of lithium ion cells or groups of lithium ion cells connected in parallel and in series by providing a continuously balanced state of charge while in a discharge phase, a charge phase, a quiescent phase, a storage phase, or ... | 04/03/2007 |
| 7197487 | Apparatus and method for estimating battery state of charge A method for training a support vector machine to determine a present state of charge of an electrochemical cell system includes choosing a training data, preprocessing the training data, finding an optimal parameter of the support vector machine, and determining su... | 03/27/2007 |
| 7196494 | Method and apparatus for charging batteries in a system of batteries A method and apparatus for charging batteries in a system of batteries. The method and apparatus involve producing a set of state of charge signals indicative of the states of charge of each battery in the system, successively identifying, from the state of charge s... | 03/27/2007 |
| 7193394 | Method of controlling charge and discharge of secondary battery for automatic guided vehicle To provide a method of controlling charge and discharge of a secondary battery for automatic guided vehicle that can decide the timing of refresh charge and discharge accurately and minimize the frequency of refresh charge and discharge. The method of controlling ch... | 03/20/2007 |
| 7191077 | Smart battery charging system, method, and computer program product An intelligent battery charger is disclosed which tracks usage of the computer by the user and the charging and usage habits of the user. This tracking includes dates, times, and elapsed usage time, as well as dates, times, and elapsed charging time. Parameters rega... | 03/13/2007 |
| 7157881 | Safety device for managing batteries A safety device for lithium ion cells or groups of lithium ion cells connected in parallel and in series by providing a continuously balanced state of charge while in a discharge phase, a charge phase, a quiescent phase, a storage phase, or combinations of these pha... | 01/02/2007 |
| 7151378 | Implantable energy management system and method An implantable energy supply system having at least two cells is disclosed. The system may have a switch with a first state in which the cells are electrically connected to a load, and a second state in which each cell is electrically connected with its own charger.... | 12/19/2006 |
| 7145312 | Battery coupled to adapter and tip A system has an adapter/charger to receive power from a power source and output a first DC power signal. A universal battery receives the first DC power signal directly from the adapter/charger and to supplies a second DC power signal, and the universal battery incl... | 12/05/2006 |
| 7129675 | System and method for battery charging A method for charging a lead acid storage battery to advantageously extend its life is described. The termination of a charging process is based upon an evaluation of the first derivative (dv/dt) and second derivative (d2v/dt2) of the applied charging voltage. By ut... | 10/31/2006 |
| 7119459 | Intelligent switch for connecting power to a load A switching circuit includes a microchip which, in response to a signal from a signal switch, controls the operation of a power switch which, when closed, connects a load to a battery. The microchip can monitor the status of the battery and control the power switch ... | 10/10/2006 |
| 7119515 | Light polymerization device A light polymerization device for polymerization of a polymerizable material includes a hand-held device having a multi-branch electrical supply receptacle or a multi-prong electrical supply plug for the connection of the hand-held device with the storage battery as... | 10/10/2006 |
| 7079038 | Method and apparatus for communication between an electronic device and a connected battery An apparatus supporting both identification of a battery type and communications over an interface between a battery and an electronic device is disclosed. The electronic device includes a processor for communicating with communications circuitry of the battery. Ide... | 07/18/2006 |
| 7042226 | Method for determining the wear to a storage battery, and a monitoring device A method for determining the wear to a storage battery by monitoring the state of charge of the storage battery includes identifying a plurality of deep discharge events when a state of charge value for the storage battery is less than a minimum state of charge valu... | 05/09/2006 |
| 7038426 | Method for prolonging the life of lithium ion batteries A method for reconditioning lithium ion batteries in-situ to restore their capacity. The battery capacity is reduced by a reversible mechanism. The process for reconditioning a battery includes providing a power source and connecting the power source to a lithium io... | 05/02/2006 |
| 7034506 | Emergency lighting equipment with automatic charge/discharge and monitoring system An emergency lighting equipment with an automatic charge/discharge and monitoring system is provided. The emergency lighting equipment comprises an operating mode control circuit, a rectify/voltage-divide and voltage regulation circuit, a main control unit, an illum... | 04/25/2006 |
| 7030590 | Apparatus for refreshing batteries Battery charger (10) may include a power source circuit (22) for charging rechargeable batteries (58) when a battery pack (50) is connected directly to the battery charger or is connected thereto with an adapter (30) interposed the... | 04/18/2006 |
| 7019659 | Network system, managing server, electrical apparatus, battery status managing method, battery diagnosis method, and program thereof A network system in which an electrical apparatus having a battery which performs charges and discharges to supply electric power to the electrical apparatus and a managing server are connected by the network and perform a diagnosis of the battery provided for the e... | 03/28/2006 |
| 7012434 | Method for determining the amount of charge which can be drawn from a storage battery and monitoring device A method for determining the amount of charge which can be drawn from a storage battery and a monitoring device are provided that measure at least one of battery currents and battery voltages at at least two points in time before or during a rise phase and during or... | 03/14/2006 |
| 7012406 | Method of periodic refresh charging of storage battery packs A charging method for a battery pack with each of the at least two series-connected cells being supplied with an effective charging current (ICharge), in a charging cycle (1) over a charging period, and being supplied with a lower effective refresh... | 03/14/2006 |
| 6969970 | Method of controlling the charging of a battery A battery charger with charging parameter values derived from communication with a battery pack to be charged. Communication is over a one-wire bus with battery pack transmissions in response to charger inquiries. The battery charger may be in the form an integrated... | 11/29/2005 |
| 6956487 | Battery charging status indication circuit This invention includes a circuit for displaying charge status to a user. The circuit includes circuitry for comparing a supply or reference voltage to a cell voltage, circuitry for sensing charging current and circuitry for displaying at least one of three charging... | 10/18/2005 |
| 6943525 | Power source apparatus for an electric automobile A power source apparatus for an electric automobile is provided with a battery system, having a driving battery to power an automobile driving motor and a battery control circuit to control driving battery charging and discharging as well as to compute driving batte... | 09/13/2005 |
| 6924623 | Method and device for judging the condition of secondary batteries and method for regenerating secondary batteries The internal resistance related value which is related to the internal resistance of a secondary battery is compared with a previously obtained relation between the internal resistance related value and battery condition to judge the battery condition of the seconda... | 08/02/2005 |
| 6844703 | Battery cell balancing system A battery cell balancing system (12) for a battery (30) having a plurality of cells (32) is provided. The system (12) includes a power supply (38) and a plurality of transformer/rectifier circuits (34) electrically coupled t... | 01/18/2005 |
| 6765368 | Electrical energy apparatuses, electrical energy conditioning circuits, and electrical supply methods Power supply apparatuses and methods of supplying electrical energy are provided. According to one aspect, a power supply apparatus includes an electrochemical device configured to store electrical energy, a first interface coupled with the electrochemical device an... | 07/20/2004 |
| 6700352 | Dual capacitor/battery charger A power charger which charges and provide conditioned power from at least one of a super-capacitor and a secondary battery. The type of energy device is user selectable, such that the user can select super-capacitors because of their much longer charge/di... | 03/02/2004 |
| 6700383 | Method of detecting and resolving memory effect A method of detecting and resolving a memory effect capable of detecting the memory effect with ease and with high precision and resolving even when the vehicle is in motion is provided. A current in a secondary battery is detected, a variation ƊSOC in a... | 03/02/2004 |
| 6661201 | Method for controlling battery charge and discharge The present invention provides a method for controlling battery charging and discharging in which a battery is charged and discharged such that a SOC (state of charge) value of the battery is increased/decreased to a predetermined range when the SOC value... | 12/09/2003 |
| 6600293 | Battery control system A battery control system capable of relatively smoothly canceling memory effects caused to a battery mounted on a hybrid vehicle, while avoiding deterioration of the battery and vehicle performance. Upon detection of generation of charge memory effects, a... | 07/29/2003 |
| 6566844 | Method and apparatus for extending the functionality of a battery A method to extend the functionality of a battery, the method comprising drawing a current greater than the minimum rejuvenation current from the battery thereby increasing a functionality of the battery.... | 05/20/2003 |
