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| Number | Title | Issue Date |
| 8183832 | Charging system, charger, and battery pack After the initial current set processing is performed, by which a feed amount of a charge current Ic by a charge current feed portion 35 is set to a first current value I1 exceeding a reference current value Ie preset as a current value of the charge c... | 05/22/2012 |
| 8174237 | Battery module In a battery system, battery modules (3a, 3b) connected to each other in series respectively include: one or more single cells (3a1 to 3an, 3b1 to 3b-n) connecte... | 05/08/2012 |
| 8159184 | Automotive power supply system An automotive power supply system comprises a battery module that includes serially connected battery groups each constituted with serially connected battery cells, integrated circuits each disposed in correspondence to one of the battery groups, a control circuit, ... | 04/17/2012 |
| 8154250 | Battery charging controller and battery module using the same The present invention discloses a battery charging controller for achieving a balanced battery charge. The battery charging controller includes a voltage divider, a switch module and a balance circuit. A reference voltage generated by the voltage divide is used to d... | 04/10/2012 |
| 8148942 | Charging systems with cell balancing functions In a power converter, a primary winding receives an input power. In addition, multiple secondary windings transform the input power into multiple charging currents to charge a set of cells via a set of paths. The multiple secondary windings further balance the set o... | 04/03/2012 |
| 8143851 | Power source having a parallel cell topology A power source with multiple cells connected in parallel to a common node or power supply point. The individual cells within the power source may also have a dedicated controller for each of the individual cells such that the dedicated controllers are connected on a... | 03/27/2012 |
| 8134335 | Car power source apparatus The car power source apparatus is provided with a leakage detection circuit 3 having a battery 1 with a plurality of battery units 2 connected in series, a first series circuit 11 made up of first leakage detection resistors 12 and... | 03/13/2012 |
| 8134336 | Method and system for charging a series battery Some embodiments of the present invention provide a system for charging a series battery, wherein the series battery is comprised of a set of banks which are connected in series, so that the same charging current passes through each bank. During the charging process... | 03/13/2012 |
| 8129944 | Control device for a secondary battery and vehicle A control device for a secondary battery includes an offset addition unit calculating an offset amount based on a plurality of voltage values sensed by a sensor, the number of a plurality of battery cells included in one battery block and a preset range, and adding ... | 03/06/2012 |
| 8120320 | Method for updating minimum and maximum energy storage values A battery control system comprises a battery control module, an averaging module, and a supervisor module. The battery control module measures voltages of N energy storage blocks, wherein N is an integer greater than one, and determines a first voltage of the voltag... | 02/21/2012 |
| 8098047 | Battery apparatus for controlling plural batteries and control method of plural batteries Lower order control devices control plural battery cells configuring plural battery modules. An input terminal of the low order control device in the highest potential, an output terminal of the low order control device in the lowest potential, and a high order cont... | 01/17/2012 |
| 8093862 | Systems, apparatus and methods for battery charge management Systems, apparatus, and methods for automobile battery management is provided. In one embodiment, an apparatus for providing balanced and individualized charging to a battery pack is provided. The apparatus uses microcontrollers to determine a charge level of the ba... | 01/10/2012 |
| 8089248 | Battery monitoring and control system and method of use including redundant secondary communication interface A battery monitoring and control system and method of monitoring and controlling provides a redundant and independent symmetric secondary serial bus in addition to a primary serial bus within a battery monitoring and control system that includes a plurality of batte... | 01/03/2012 |
| 8084993 | Replacement system for heavy battery banks A plurality of manually maneuverable battery bank modules are formed into a train and transported by a vehicle to the site of electrically operated equipment. At the site, the modules replace modules already connected to the equipment. ... | 12/27/2011 |
| 8076903 | Electric power storage and delivery system and method of operation An electrical energy storage and delivery system for supplying electrical energy to a system load and method of operation. The system including an energy storage module comprising a charger coupled to a high power battery module and a high energy battery module; a f... | 12/13/2011 |
| 8072185 | Batteries and chargers therefor Batteries and battery monitoring and charging systems. The preferred battery has a plurality of rechargeable cells connected in series, first and second power terminals, each connected to a respective end of the series connection of rechargeable cells, a first conne... | 12/06/2011 |
| 8058842 | Cell controller, battery module and power supply system A cell controller having excellent productivity is provided. A cell-con 80 has 12 ICs IC-1 to IC-12 mounted on a substrate, and these ICs detect voltages of respective cells constituting a cell pack, perform capacity adjustment on the respective... | 11/15/2011 |
| 8058843 | Asymmetric battery pulsation system A battery pulsation system including a battery string including a plurality of cells, the battery string defining a positive end and a negative end, a first pulsation device connected to a first cell of the battery string to supply a first pulsation energy thereto, ... | 11/15/2011 |
| 8049463 | Stacked battery module and battery pack A stacked battery module or a battery pack is formed by laying a plurality of unit batteries of non-aqueous electrolyte batteries in layers with the surfaces thereof having a large area disposed vis-à-vis and electrically connecting them in series and a temperature... | 11/01/2011 |
| 8044637 | Battery charging method A charging and equalizing method for a battery having a control computer in a charging system in communication with a plurality of module processors. Charging and equalization pauses periodically for voltage measurement by the module processors. The control computer... | 10/25/2011 |
| 8044636 | Battery operated LED lamp and control An LED lamp adapted for use as a bicycle light includes a lamp/switch module and a power supply/control module. The control includes a microcontroller that performs both light operating functions and battery charging control functions. A low battery warning is provi... | 10/25/2011 |
| 8030893 | Battery pack and method for detecting disconnection of same The battery pack includes an assembled battery including a plurality of secondary battery cells connected at least in series; a voltage detector which detects a terminal voltage of each of the plurality of secondary battery cells; a charge/discharge controller which... | 10/04/2011 |
| 8030894 | System and method for rebalancing a vehicle battery A vehicle may include an electric machine, a battery, a driver interface and one or more controllers. The one or more controllers may be configured to determine whether a battery imbalance condition exists, to cause an alert to be generated via the driver interface ... | 10/04/2011 |
| 8018197 | Voltage reference device and methods thereof A voltage reference module of an integrated circuit device includes a current source to apply a current to a set of voltage cells, thereby generating a voltage drop across each cell. The voltage cells are configured such that the individual voltage drop associated w... | 09/13/2011 |
| 8013573 | Battery pack that provides precise voltage measurements of batteries when safety switch is present A battery pack is constructed with a plurality of secondary batteries or a plurality of battery assemblies, each having a plurality of unit batteries, and at least one safety switch, which can facilitate precise measurement of the voltages of the plurality of second... | 09/06/2011 |
| 7999510 | Lithium-based battery pack for a high current draw, hand held power tool A method for conducting an operation including a power tool battery pack. The battery pack can include a housing, a first cell supported by the housing and having a voltage, and a second cell supported by the housing and having a voltage. The battery pack also can b... | 08/16/2011 |
| 7956578 | Power supply having a reduced number of switching elements There is provided a power supply capable of reducing switching elements. In a power supply, an AC/DC adapter 121 supplies electric power to a load 125 and a battery charger 122. The battery charger comprises a high side FET 102 and a low ... | 06/07/2011 |
| 7952327 | Assembled battery total voltage detection and leak detection apparatus The present invention provides an assembled battery total voltage detection and leak detection apparatus which is reduced in size and is reduced in manufacturing costs. Detection of a total voltage is performed at a measurement time of a total voltage of an assemble... | 05/31/2011 |
| 7928691 | Method and system for cell equalization with isolated charging sources A system and method for charging a rechargeable, or secondary, battery including a series string of battery cells, a topology of charging sources that selectively provides charging current to battery cells that need to be charged, but avoids overcharging battery cel... | 04/19/2011 |
| 7911178 | Battery apparatus, battery control apparatus, and motor drive unit The present invention provides enhanced serial communication reliability in a situation where a plurality of cell controllers and a battery controller are daisy-chained to form a serial communication configuration. While the plurality of cell controllers and the bat... | 03/22/2011 |
| 7880432 | Battery management system and battery management method The battery management system of the present invention measures a cell voltage of a battery more efficiently using a small number of elements, and measures a pack current and voltage thereof when measuring the voltages of a plurality of cells. The battery management... | 02/01/2011 |
| 7843168 | Battery pack system A battery pack system is disclosed. The battery pack system includes a battery pack having batteries arranged in a plurality of parallel groups that are connected in series. Each parallel group includes a plurality of the batteries connected in parallel. The electro... | 11/30/2010 |
| 7825628 | Device for balancing cell voltage for a secondary battery The present invention is a method for balancing voltages of a serially connected plurality of cells in a battery pack provided with the plurality of cells. In this method, the voltages are balanced by: connecting a pair of a resistor and a switch, which are serially... | 11/02/2010 |
| 7825627 | Monitoring battery cell voltage An apparatus includes battery gauge circuitry implemented on an integrated circuit. The battery gauge circuitry includes a plurality of switches that individually open in response to a voltage reduction on a battery cell associated with a respective one of the switc... | 11/02/2010 |
| 7812568 | Voltage detecting circuit A voltage detecting circuit comprises: an operational amplifier whose one input terminal is applied with a first reference voltage; a first capacitor whose one end is connected to the other input terminal of the operational amplifier; a second capacitor whose one en... | 10/12/2010 |
| 7804275 | Battery power supply A battery power supply for use with an electronic device, such as a computer, uses a multi-cell battery, and a recharging circuit. Cells of the battery are serially interconnected to produce positive output voltages of 3.6, 4.8 and 12 volts DC and negative voltages ... | 09/28/2010 |
| 7791313 | Selector circuit for power management in multiple battery systems A selector circuit configured to select among a DC power source and a plurality of batteries for an electronic device. The selector circuit is responsive to an output signal from an associated power management unit. The selector circuit is further configured to perm... | 09/07/2010 |
| 7782013 | Rechargeable battery assembly and method for recharging same A rechargeable battery, battery set or battery pack having a circuit or a plurality of circuits for providing self-discharging thereof electrically connected in parallel are used to form rechargeable battery assemblies and electric power supply systems for use in el... | 08/24/2010 |
| 7772803 | Method and system to measure series-connected cell voltages using a flying capacitor A method and system for measuring voltage of individual cells connected in series includes a pair of busses connectable to the cells and a flying capacitor connectable to the busses. The capacitor stores the charge of one of the cells such that an analog-to-digital ... | 08/10/2010 |
| 7755326 | Battery monitoring and charging system A battery monitoring device for a battery having cells grouped in modules. The device includes a monitoring circuit for each module which monitors the voltage in each cell and the overall module voltage. The monitoring circuits can also detect module temperatures. T... | 07/13/2010 |
