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| Number | Title | Issue Date |
| 8446128 | Vehicle battery management system and method A vehicle battery management system and method includes a battery, a battery sensor for measuring a condition of the battery and an electronic control unit that receives a signal from the battery sensor corresponding to the condition of the battery. The electronic c... | 05/21/2013 |
| 8390258 | Discharger and discharger control method including a manual switch to provide power to a control means from an input of the discharger Upon detecting an external signal which instructs to stop discharge, an input voltage equal to or less than a set value for the prevention of overdischarge, or an output voltage equal to or more than a set value for the prevention of output of an overvoltage, a cont... | 03/05/2013 |
| 8373392 | Battery system and protection apparatus thereof A battery system includes a battery and a battery protection apparatus. The battery protection apparatus protects the battery from over-discharge. The battery protection apparatus includes a voltage controlled switch, a start switch, and a voltage detecting unit. Th... | 02/12/2013 |
| 8362749 | Method for exchanging rechargeable batteries A rechargeable battery exchanging method which exchanges rechargeable batteries of an assembled battery to rebuild new assembled battery. The method includes discharging a rechargeable battery derived from an assembled battery until the rechargeable battery becomes ... | 01/29/2013 |
| 8339104 | Battery system for vehicle A battery system for a vehicle warms up a battery, which is mounted to charge and discharge. A charge/discharge unit is located closer to a battery set than an inverter unit is. When the battery set cannot produce a required output power because of its low temperatu... | 12/25/2012 |
| 8330423 | Electronic apparatus and battery check method An electronic apparatus which detects a remaining level of a battery used as a power supply, comprising a current detection unit configured to detect a current value flowing through a circuit of the electronic apparatus, a voltage detection unit configured to detect... | 12/11/2012 |
| 8330424 | Battery's state-of-charge balancing control method for hybrid vehicle A battery's state-of-charge (SOC) balancing control method for a hybrid vehicle is provided, in which the outside air temperature at a traveling destination is reflected to perform the control. ... | 12/11/2012 |
| 8305042 | Electric hand-held power tool with a shut-off delay device The invention relates to a handheld electrical machine tool having at least one electrical drive, at least one electrical device requiring electrical energy for its operation, a shut-off delay apparatus for the electrical drive and/or the electrical device and havin... | 11/06/2012 |
| 8264206 | Battery and method of power conservation for the same A lithium ion battery and a method of power conservation for the same are provided. A bare cell including an electrode assembly with a plurality of electrodes and a protective circuit are coupled together via the plurality of electrodes. The protective circuit inclu... | 09/11/2012 |
| 8264205 | Circuit for charge and/or discharge protection in an energy-storage device A method and apparatus for protecting an energy-storage device (ESD), such as a rechargeable battery, is provided. A protective circuit protects an ESD from adverse charging and loading conditions including overcharging, overdischarging, charging at an excessive rat... | 09/11/2012 |
| 8264204 | Cell controller, battery module and power supply system A cell controller with excellent reliability in which noise and soon are suppressed is provided. The cell controller includes, corresponding to the number of cell packs, a plurality of ICs each having a voltage detecting circuit detecting voltages of respective cell... | 09/11/2012 |
| 8258754 | Battery management system and method A battery-management method is performed by a battery-operated device. The method includes allocating a first portion of a battery capacity to a first function and a second portion of the battery capacity to a second function. The method further includes simultaneou... | 09/04/2012 |
| 8242749 | Battery testing apparatus A battery testing apparatus includes a charge circuit, a discharge circuit, a computer, and a control circuit. The charge circuit is coupled to a direct current (DC) adapter, the DC adapter charges a battery through the charge circuit. The discharge circuit is coupl... | 08/14/2012 |
| 8237411 | Battery cell monitoring and balancing circuit A monitoring circuit for accurately monitoring a voltage level from each of a plurality of battery cells of a battery pack includes an analog to digital converter (ADC) and a processor. The ADC is configured to accept an analog voltage signal from each of the plural... | 08/07/2012 |
| 8228039 | Battery testing device and battery testing method The present invention applies load to a portable telephone by charging and discharging a secondary battery conforming to the actual way of use of the portable telephone, so that the performance of the secondary battery in a portable telephone connected for charging ... | 07/24/2012 |
| 8228040 | Electric cells for battery pack, battery control system, and battery control method There are provided a battery control system and a battery control method which can eliminate a management device controlling voltages of individual cells in a battery pack, resist the influence of noise, prevent an increase in size, and reduce the load on a manageme... | 07/24/2012 |
| 8222868 | Battery tester for rechargeable power tool batteries A battery tester engages a power tool battery and includes a housing having a cavity for receiving a stem of the power tool battery. The battery tester has a plurality of electrically conductive contacts disposed in the cavity and is configured to engage correspondi... | 07/17/2012 |
| 8203312 | Battery pack and control method A battery pack includes at least one secondary battery, a fuse, and a control section. The fuse is configured to cut off charge or discharge current of the secondary battery upon detection of an abnormality of the secondary battery. The control section is configured... | 06/19/2012 |
| 8198866 | Indicating charging state of handheld electric appliance In one aspect, a handheld electric appliance includes: an oscillating electric motor or linear motor controlled by control circuitry; a battery connected to the oscillating electric or linear motor; and charge detection circuitry configured to determine a charging s... | 06/12/2012 |
| 8169192 | Wireless power storage device, semiconductor device including the wireless power storage device, and method for operating the same To simplify charging of a battery in a power storage device which includes the battery. Further, to provide a wireless power storage device which can transmit and receive information without the task of replacing a battery for drive power supply, which becomes neces... | 05/01/2012 |
| 8159189 | Battery state of health monitoring system and method A state-of-health monitoring and prognosis method and system for a battery includes a signal preprocessing module for monitoring battery terminal voltage and current and extracting a portion of the battery terminal voltage and current corresponding to an engine cran... | 04/17/2012 |
| 8159191 | Advanced rechargeable battery system A rechargeable battery system having a plurality of cells in series circuits for high voltage applications. Cells, cell sets and cell packs in series circuits are protected from over-charging with self-discharging devices. The rechargeable battery system is protecte... | 04/17/2012 |
| 8159190 | Method for controlling the end of the discharge of a rechargeable battery The method for controlling the end of discharge of a rechargeable battery according to the invention comprises determining the transition frequency of the battery and determining an end-of-discharge criterion of the battery according to said transition frequency. Sa... | 04/17/2012 |
| 8154255 | Systems and methods for waking up a battery system Systems and methods for waking up a battery system (e.g., battery pack such as a smart battery pack) installed in an information handling system from a shipping mode in response to the occurrence of one of at least two detected events. The first of these of these at... | 04/10/2012 |
| 8148947 | Discharge state indicator A circuit for displaying the state of a battery that is almost discharged features a battery, an inductive load, and a controllable switch connected in series. The circuit also includes a display element connected in series with the inductive load and the battery. T... | 04/03/2012 |
| 8148948 | Adaptive low voltage disconnect controller, method of protecting a battery and a power system manager Provided herein is a controller for a low voltage disconnect (LVD), a method of protecting and providing a maximum or substantially maximum battery reserve coupled to a DC load bus and a power system manager. In one embodiment, the LVD controller includes an adaptiv... | 04/03/2012 |
| 8125193 | Method of testing an electrochemical device Methods and associated apparatus for testing an electrochemical device, such as a fuel cell. A first method involves charging the fuel cell during a charge period; discharging the fuel cell during a discharge period; and monitoring the response of the fuel cell duri... | 02/28/2012 |
| 8120325 | Battery short circuit monitoring A system measures a voltage of a battery of a user device, measures a temperature and an acceleration of the battery if a decrease in battery voltage is measured, and determines whether the battery is functioning properly based on one or more of the measured voltage... | 02/21/2012 |
| 8120326 | Rechargeable battery with an internal discharger for shifting the load state of the battery to a lower load state A rechargeable battery having a switch connects an internal load to the battery so that the battery can be shifted to a predetermined, lower load state. To shift the rechargeable battery into a lower load state for long-term storage, a Zener diode is connected in se... | 02/21/2012 |
| 8102155 | Discharge controller A discharge controller includes a secondary battery, a switch section for opening/closing a discharge path from the secondary battery to a load, a voltage detector for detecting a terminal voltage of the secondary battery, and a cut-off voltage control section for c... | 01/24/2012 |
| 8102154 | Energy source isolation and protection circuit for an electronic device An energy source isolation and protection circuit is provided for an electronic device, such as a patient-worn or patient-carried medical device. The isolation and protection circuit includes a supply voltage rail, a reference voltage rail, an electrical load couple... | 01/24/2012 |
| 8084999 | Method for charging lithium batteries with power dissipation control Herein described are at least methods and systems to control power dissipation while charging a device. In a representative embodiment, the method comprises first monitoring a first voltage output by a charger used for said charging a battery of a device, second mon... | 12/27/2011 |
| 8035346 | Battery protection circuit and protection method A battery protection circuit and protection method for a rechargeable battery is provided. The rechargeable battery includes a positive voltage pin, a negative voltage pin, and a temperature sensing pin. A resistance of the temperature sensing pin varies with the te... | 10/11/2011 |
| 8026698 | Scalable intelligent power supply system and method A scalable intelligent power-supply system and method capable of powering a defined load for a specified period of time is disclosed and claimed. Multiple external AC and DC inputs supply power to the system if available and required. An internal DC input from a bac... | 09/27/2011 |
| 8018202 | Circuit for measuring and controlling differential voltages The invention relates to circuits for managing differential voltages in series. To individually control the differential voltages of voltage sources in series, there is provided an integrated control circuit for a set of N sources in series. This circuit comprises N... | 09/13/2011 |
| 8018203 | Control system of secondary battery and hybrid vehicle equipped with the same A battery model unit includes an electrode reaction model unit based on the Butler_Volmer equation, an electrolyte lithium concentration distribution model unit analyzing a lithium ion concentration distribution in an electrolyte solution by a diffusion equation, an... | 09/13/2011 |
| 8008893 | Battery analysis system A battery analysis system includes a control module, a measurement module, and a pulse power module. The control module controls current to a battery to one of charge and discharge the battery. The measurement module determines N voltages across the battery at N tim... | 08/30/2011 |
| 8004246 | Battery cell monitoring and balancing circuit A monitoring circuit for accurately monitoring a voltage level from each of a plurality of battery cells of a battery pack includes an analog to digital converter (ADC) and a processor. The ADC is configured to accept an analog voltage signal from each of the plural... | 08/23/2011 |
| 7999515 | Battery characterization technique accounting for offset error The present invention provides a system and method for operating a rechargeable battery, the system comprising: current maintaining device for maintaining a predetermined current to the rechargeable battery until the rechargeable battery reaches a predetermined maxi... | 08/16/2011 |
| 7990109 | Temperature and polarization voltage compensation system A control module for a battery that powers a load includes a compensation module that adjusts a shutoff voltage based on voltage and impedance of the battery and current drawn by the load from the battery as time the load is drawing current increases. A discharge co... | 08/02/2011 |
