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| Number | Title | Issue Date |
| 8143854 | Adjusting method of battery pack and adjusting method of battery pack with controller The invention provides a method of adjusting a battery pack capable of reducing a difference in charge level between a plurality of secondary batteries constituting the battery pack and capable of restraining an increase in battery voltage difference between the sec... | 03/27/2012 |
| 8018198 | Method and system for charging multi-cell lithium-based batteries A method and system for charging multi-cell lithium-based batteries. In some aspects, a battery charger includes a housing, at least one terminal to electrically connect to a battery pack supported by the housing, and a controller operable to provide a charging curr... | 09/13/2011 |
| 7750601 | Charging apparatus of portable devices The present invention relates to a charging apparatus of portable device, which charges a battery module of the portable devices. The charging apparatus includes a sensing circuit, a control unit, and a linear charging circuit. The sensing circuit detects the voltag... | 07/06/2010 |
| 7733060 | Charging IC, charging apparatus and electronic device The present invention relates to charging of rechargeable batteries built into electronic devices and is configured to constrain heat generation during the charging. A charging IC used for charging a rechargeable battery built into an electronic device is disclosed ... | 06/08/2010 |
| 7656121 | Soft transition from constant-current to a constant-voltage mode in a battery charger A system and method for charging a battery. In one embodiment, the system includes a charging circuit that charges the battery with a constant current during a first phase and charges the battery with a constant voltage during a second phase. The system also include... | 02/02/2010 |
| 7615964 | Rechargeable battery charging method A method for charging a secondary battery with a constant current, in which a peak of output voltage is detected by utilizing a predetermined current value, and then the battery continues to be charged with a current value lower than the predetermined current value,... | 11/10/2009 |
| 7518338 | Parallel hybrid battery pack charging For charging a rechargeable hybrid battery pack, a first cell stack coupled in parallel with a second cell stack of the hybrid battery pack are pre-charged in parallel. The cell stack to first complete the pre-charge phase, is selected to receive a normal charge wit... | 04/14/2009 |
| 7514901 | Method for charging a battery Provided is a method for charging a battery that dynamizes the charging phase of the battery, thereby enabling optimum charging. The dynamization of the charging phase is intended to achieve effective mixing of the battery acid and/or depolarization of the electrode... | 04/07/2009 |
| 7508167 | Method and system for charging multi-cell lithium-based batteries A method and system for charging multi-cell lithium-based batteries. In some aspects, a battery charger includes a housing, at least one terminal to electrically connect to a battery pack supported by the housing, and a controller operable to provide a charging curr... | 03/24/2009 |
| 7498770 | Load controlled battery charging device A load controlled battery charging device is provided which is structured to apply an electrical charge to a plurality of rechargeable storage batteries having a wide range of voltage output capacities. The device includes an electrical charging circuit having an in... | 03/03/2009 |
| 7498769 | Apparatus and method for dual mode battery charger with linear and switched control modes based on operating conditions A circuit for battery charging is provided. The circuit provides a charge current to a battery, and regulates the charge current with either linear regulation or switching regulation, based on operating conditions. In one embodiment, if the input voltage minus the b... | 03/03/2009 |
| 7403016 | Car power source apparatus A car power source apparatus is provided with a battery having a plurality of battery modules connected in series on positive and negative sides of a midpoint reference node, and a voltage detection circuit that detects the voltage of one or a plurality of battery m... | 07/22/2008 |
| 7391183 | System for controlling charging of secondary battery To provide a system for controlling the charging of a secondary battery (battery), which is capable of keeping an initial charging/discharging characteristic of the battery in consideration of a change in environmental temperature and deterioration of the battery wi... | 06/24/2008 |
| 7375495 | Method for determination of the charge drawn by an energy storage battery A method for determining the charge drawn by an energy storage battery starting from an initial state of charge at the start of the drawing of the charge includes determining the charge drawn as a function of an exponential function with a time constant. The time co... | 05/20/2008 |
| 7372235 | Charging control circuit and charging device including charging transistor control unit A charging control circuit according to an embodiment of the present invention includes a detecting circuit and a charging transistor control unit for controlling a charging transistor supplying a first current, a current source for supplying a second current, and a... | 05/13/2008 |
| 7372234 | Charge control device and battery pack employing it A battery pack employing a charge control device of the present invention includes a charge detection circuit for checking whether a secondary cell is in a charged state or not based on at least a charge voltage or a charge current of the secondary cell, a control c... | 05/13/2008 |
| 7365515 | Universal battery charger To provide a universal battery charger with low power consumption during a standby condition and a rush current suppressing capability at the time of commencement of charging, a voltage slightly larger than a battery voltage is produced and applied to the battery. T... | 04/29/2008 |
| 7363522 | Apparatus and methods for information handling system with power supply device with variable output power An information handling system includes a power source configured to provide a plurality of power levels to a load. At least one of the plurality of power levels corresponds to a level obtained by de-rating a capacity of the power source from a nominal design specif... | 04/22/2008 |
| 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 |
| 7358701 | Method and system for modeling energy transfer A method and system for modeling or simulating an application environment so as to evaluate the effect of a selected battery and charger in the application environment. Sensors are used to gather data regarding the energy consumption needs of the application environ... | 04/15/2008 |
| 7355366 | Charging system and method for charging a communication terminal A charging system and method for charging a communication terminal are provided which supply to a battery a compensation current equivalent to an amount of current input to a communication terminal. The charging method includes detecting a value of current flowing t... | 04/08/2008 |
| RE40223 | Method for charging secondary battery A method for charging a secondary battery by measuring the static/open circuit voltage and comparing it to a predetermined value includes: a first step of precharging the secondary battery; thereafter pausing a predetermined interval; a step of measuring a secondary... | 04/08/2008 |
| 7345455 | Staggered backup battery charging system A battery backup system includes a control device including a power sensing device, a discharge circuit, a charging circuit, and a plurality of battery packs. A lower threshold is established representative of a minimum acceptable effective energy capacity. Each bat... | 03/18/2008 |
| 7339347 | Apparatus and method for reliably supplying electrical energy to an electrical system The instant invention is directed to a multiple battery system and auxiliary battery attachment system. The invention provides a battery housing having a common positive terminal and a common negative terminal coupled to an electrical system. A main battery having a... | 03/04/2008 |
| 7339348 | Battery pack including multiple battery cell technologies A battery pack includes a housing. A first battery is located in the housing, the first battery using a first cell technology. A second battery is located in the housing, the second battery using a second cell technology that is different from the first cell technol... | 03/04/2008 |
| 7336464 | Power limiting circuit A power limiting circuit is disclosed. The power limiting circuit includes a temperature sensing circuit that outputs a temperature signal that is proportional to temperature over a temperature range. The power limiting circuit also includes a regulation circuit cou... | 02/26/2008 |
| 7330013 | Apparatus and method for charging and discharging a battery A method and apparatus for controlling the charge and discharge currents in a battery (2) as a function of temperature. When a battery (2) is charged or discharged in an environment that approaches its design operating temperature extreme, the currents... | 02/12/2008 |
| 7321219 | Method and system for battery charging employing a semiconductor switch A method and system for battery charging. In some aspects, an electrical combination including a battery charger operable to supply a charging current to a battery to charge the battery and a battery including a switch having an interrupt condition, in which the swi... | 01/22/2008 |
| 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 |
| 7315955 | Circuit for turning off charging function to a battery of a system based on information set by user during the system in power-off state A power supply circuit for a computer system includes an AC adapter designed to be connectable to the computer system and supplying power to the system, a main battery and a second battery that are designed to be connectable to the computer system and get charged wi... | 01/01/2008 |
| 7313714 | System and method for managing groups of modular power supplies for powering subcomponents of a computer system A system and method for dynamically managing a plurality of power supplies for a computer system has a plurality of first circuits, each of the first circuits responsive to an electrical condition of each of the plurality of power sources. A second circuit is couple... | 12/25/2007 |
| 7309966 | Motor vehicle A motor vehicle comprising at least one electric motor, an energy storage device for providing drive energy for the electric motor, a plug connector connected to the energy storage device for connection to a current source and a control means for controlling the flo... | 12/18/2007 |
| 7298114 | Nickel hydrogen/nickel cadmium battery charger with the function of emergency power supply A NiH/NiCd (nickel hydrogen/nickel cadmium) battery charger with the function of emergency power supply unit having a main body with a charging chamber and a charging circuit positioned within the main body to allow an electric connection to the charging chamber and... | 11/20/2007 |
| 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 |
| 7285936 | Charging system for battery-set An object is to provide a charging system in which a battery can be charged in a fully charged state or close to the fully charged state while preventing performance deterioration of a battery due to heat generated during charge. A charging system 1 for a bat... | 10/23/2007 |
| 7277782 | Control system and method for electric vehicle An electric traction vehicle is described herein which may be used to provide power to off-board electric power-consuming systems or devices. The electric traction vehicle may provide 250 kilowatts or more of three phase AC power to an off-board electric power consu... | 10/02/2007 |
| 7272025 | Method and apparatus to control either a regulated or an unregulated output of a switching power supply Techniques are disclosed to control output power from a switching power supply. For example, a switching regulator according to aspects of the present invention includes a switch to be coupled to an energy transfer element of a power supply. A controller is coupled ... | 09/18/2007 |
| 7269751 | Supplying power to at least one electrical device based on an efficient operating point of a power supply A primary power supply and a secondary power supply are operable to supply power to at least one electrical device. A power demand of the electrical device is determined, and an efficient operating point for the primary power supply is determined. One or more of the... | 09/11/2007 |
| 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 |
| 7256516 | Battery charging system and method A charging system for simultaneously charging the batteries of a plurality of battery powered vehicles. The charging includes one or more DC-DC power converters having one or more charging ports configured to plug into the batteries. The DC-DC power converters are e... | 08/14/2007 |
