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| Number | Title | Issue Date |
| 8447544 | Method and apparatus for detecting state of charge of battery A method for detecting a state of charge (SOC) of a battery is disclosed. The method includes inputting a pulse to the battery for receiving a response curve of the battery associated with the pulse inputted to the battery, determining a set of parameters for prepar... | 05/21/2013 |
| 8437908 | Battery monitor system attached to a vehicle wiring harness A computer system that installs in the proximity of the vehicle's operator, attaches to the battery power source in the vehicle's wiring harness, gathers information relating to the operational state of the vehicle's battery, calculates the health of the battery fro... | 05/07/2013 |
| 8428896 | Malfunction detecting apparatus A malfunction detecting apparatus for detecting a malfunction of a voltage detecting device accurately, including a low-voltage-system CPU which controls voltage detecting circuits to detect voltage between both terminals of one unit cell from among unit cells inclu... | 04/23/2013 |
| 8423306 | Battery detection and user experience A method and medium are provided for enabling reliable indication of the amount of time a battery will provide sufficient charge to power a computing device. In one embodiment, the time interval that lapses from the charge draining from the battery between two thres... | 04/16/2013 |
| 8423307 | Apparatus for analysis and evaluation of characteristics of series-connected solar battery cells An apparatus for estimating and evaluating characteristics of large-area series-connected solar battery cells from a measured current-voltage characteristic of a small-area single cell, includes an analysis model construction unit, an analysis operation unit and an ... | 04/16/2013 |
| 8417472 | Synchronized data sampling systems and methods A battery management system with synchronized data sampling for a battery pack including multiple battery cells is disclosed. The battery management system includes a plurality of local monitors coupled to a plurality of battery cells and operable for sampling statu... | 04/09/2013 |
| 8412476 | Travel support system, method, and program A travel support system for a vehicle includes: a required power amount obtaining unit determining a required power amount in a rechargeable battery required for travel of a predetermined section of a route; a remaining power amount obtaining unit determining a rema... | 04/02/2013 |
| 8407018 | Battery life estimation A method of estimating battery lifetime includes monitoring a charge characteristic of a battery during a first time period, monitoring an operating condition of the battery, determining a first battery life value for the first time period based on the operating con... | 03/26/2013 |
| 8396679 | Secondary cell degradation state judgment system A secondary cell degradation state judgment system which includes: operation information measurement means (5) measuring operations information on a secondary cell (3) such as a temperature, an elapse time, a discharge depth, and a discharge capacitanc... | 03/12/2013 |
| 8392131 | Portable electronic device and method for controlling the same Provided are a portable electronic device which accurately judges service life of a battery even when the battery is replaced, and a method for controlling such portable electronic device. A control block (48) is provided with a voltage measuring section (... | 03/05/2013 |
| 8386199 | Battery monitoring algorithms for vehicles A system for monitoring the starter battery of a vehicle includes a central processing unit, a voltage sensor, a temperature sensor, a timer, a data store, and a display. A collection of computer software algorithms are executed by the central processing unit to asc... | 02/26/2013 |
| 8380452 | Control device of secondary battery and map correction method A two-dimensional map for calculating an SOC of a secondary battery is corrected. A battery ECU obtains a voltage index of a secondary battery. The voltage index is, for example, a no-load voltage of the secondary battery. When an amount of change of the calculated ... | 02/19/2013 |
| 8374808 | Detection method for membrane and electrode failures in fuel cell stacks A method for determining a failure of a membrane in a fuel cell in a fuel cell stack. The method includes measuring the voltage of each fuel cell in the fuel cell stack, calculating an average cell voltage from all of the cell voltages of the fuel cells in the fuel ... | 02/12/2013 |
| 8374807 | Method and apparatus that detects state of charge (SOC) of a battery A method and apparatus are provided for estimating a state of charge (SOC) of a battery. Curves are generated to expresses a relationship between a first parameter and an SOC over a region of interest. A voltage and a current of the battery during a period of time a... | 02/12/2013 |
| 8359175 | Apparatus and method for checking insulation of cell module assembly and probe for it An apparatus for checking insulation of a cell module assembly composed of a plurality of pouch cells includes a first probing unit electrically contacted to an electrode of the cell module assembly; a second probing unit electrically contacted to aluminum films of ... | 01/22/2013 |
| 8359174 | Battery pack, electronic appliance, and method of detecting remaining amount of battery A battery pack has a charge and discharge count measuring part (131) configured to measure the number of times of charges and discharges of a secondary battery based on the summed value of the charge current for the secondary battery, and a decay rate output ... | 01/22/2013 |
| 8346495 | Systems, methods and computer-readable media to model kinetic performance of rechargeable electrochemical devices A system includes an electrochemical cell, monitoring hardware, and a computing system. The monitoring hardware samples performance characteristics of the electrochemical cell. The computing system determines cell information from the performance characteristics. Th... | 01/01/2013 |
| 8340933 | Method and apparatus for performing power supply self-diagnostics in redundant power architectures A system for detecting latent defects within a redundant power architecture includes a plurality of redundant power supplies, each having one or more output power rails, connected in a redundant fashion to a system load; each power supply output having fault-isolati... | 12/25/2012 |
| 8340932 | Vehicle power supply device and method of estimating state of charge of power storage device in vehicle power supply device A vehicle power supply device includes a battery, a charging device (a charger, booster converters and inverters capable of performing an internal charging operation for performing charging with an electric power generated by a motor generator and an external chargi... | 12/25/2012 |
| 8340934 | Method of performance analysis for VRLA battery This invention discloses a method of performance analysis for VRLA battery which applies the method of using the float voltage dispersion ratio of the battery to evaluate the battery performance from a new perspective, and it is an online real-time test which applie... | 12/25/2012 |
| 8332169 | Apparatus and method for estimating state of health of battery based on battery voltage variation pattern An apparatus estimates SOH of a battery based on a battery voltage variation pattern. A data storing unit obtains and stores battery voltage, current and temperature data from sensors, at each SOH estimation. A first SOC estimating unit estimates first SOC by curren... | 12/11/2012 |
| 8321164 | Method and system for determining a state of charge of a battery based on a transient response Methods and systems for determining a state of charge of a battery exhibiting a transient response are provided. At least one property of the battery is measured. The state of charge of the battery is determined based on the at least one measured property and a tran... | 11/27/2012 |
| 8315829 | Battery state-of-health monitoring system and method A battery state-of-health monitoring and prognosis method includes training off-line parity-relation parameters between extracted battery voltage and current signals during off-line battery discharge events using at least one good off-line battery. Portions of termi... | 11/20/2012 |
| 8315828 | Battery management system and driving method for the same Disclosed are a battery management system that uses a source file for sensing of the cell voltages of battery cells by changing only declaration information of a header file using an MCU even when the number of battery cells is changed, and a driving method for the ... | 11/20/2012 |
| 8306764 | Battery analysis interface and measurement system A battery analysis interface enables measurement of a performance of an internal battery while the battery powers an electronic device. The battery analysis interface is configured to connect an analysis device to the battery located within a battery compartment of ... | 11/06/2012 |
| 8285501 | Battery pack and detection method A battery pack includes: a plurality of batteries; a detection section to measure a voltage of each of the plurality of batteries to obtain a voltage variation of each of the plurality of batteries at different lapse times and compare the obtained voltage variations... | 10/09/2012 |
| 8280658 | System for monitoring exposure to vibration A portable instrument, described in GB2413189, is held between the fingers of one hand and measures the cumulative exposure of a worker to vibration. However, this instrument will not comfortably fit the hands of all workers There is also an administrative problem i... | 10/02/2012 |
| 8280659 | Early detection of minimum cell voltage degradation of a fuel cell stack A method for determining a low performing cell in a fuel cell stack. The method measures the voltage of each cell in the fuel cell stack and calculates an average cell voltage of all of the cell voltages from the fuel cell stack at a plurality of stack current densi... | 10/02/2012 |
| 8275562 | Method for evaluating remaining electric charge of a battery, and associated single chip system A method for evaluating a remaining electric charge of a battery that is utilized for supplying a single chip system includes: receiving signals from the battery and outputting parameters corresponding to the received signals; temporarily storing the parameters; and... | 09/25/2012 |
| 8271217 | Method for determining battery capacity An electrical device is powered by a battery. The device includes transition phase determining circuitry operatively connected to the battery to determine that the battery has entered a transition phase based on the occurrence of a change in direction of current flo... | 09/18/2012 |
| 8265891 | Method for determining the actual amount of energy available in an energy storage module The amount of energy actually available in an energy storage module having a plurality of individual storage elements connected in series is determined. An upper and/or a lower limit voltage for the energy storage module is determined dynamically. During a charging ... | 09/11/2012 |
| 8265890 | Microcomputer-equipped system and battery pack for electric power tool A microcomputer-equipped system for electric power tool includes a microcomputer, a reference voltage generator, a reference data storage unit, and a first determiner. The microcomputer includes an analog-to-digital (AD) converter and at least one AD port. The refer... | 09/11/2012 |
| 8260564 | Apparatus for calculating state of charge, method of calculating state of charge, and electric system When the sum of a first state of charge of a first battery stack and a second state of charge of a second battery stack is large, a higher state of charge is selected as a priority state of charge. When the sum of first state of charge of the first battery stack and... | 09/04/2012 |
| 8255176 | Systems and methods for monitoring deterioration of a rechargeable battery Systems and methods are provided for monitoring the deterioration of a rechargeable battery. A battery monitoring system may be used to store charging information, discharge information and storage information for a rechargeable battery to a data store. The charging... | 08/28/2012 |
| 8239148 | State switching device for switching states of electronic device by detecting battery voltage of the electronic device and method thereof A state switching device for switching the states of a device by detecting a battery voltage of the device is provided. The device includes a voltage dividing circuit to provide an output voltage in proportion to the battery voltage, and a detection unit which inclu... | 08/07/2012 |
| 8234087 | Apparatus and method for detecting a status of a secondary battery connected to a load A battery status detecting method for detecting a battery status of a secondary battery that supplies power to an electrical load is disclosed. This method includes measuring a discharge current value of the secondary battery, and estimating the dischargeable capaci... | 07/31/2012 |
| 8229689 | Method for determining power supply usage The remaining capacity of a battery may be monitored with a microprocessor by integrating a voltage measured across a current sense resistor coupled in series with the battery. The microprocessor may measure electrons passing through the battery by sampling the inte... | 07/24/2012 |
| 8224596 | Portable device battery optimization routing system A battery life management unit for managing the battery life of a portable device. The battery life management unit determines a scheduled event for a user of a portable device and estimates whether battery power of the portable device will last throughout the sched... | 07/17/2012 |
| 8224597 | Data collection device and associated system for monitoring and storing performance and maintenance data related to a component of an electrical system The present invention provides systems and methods for testing and storage of information related to a component. A data collection device having a memory is fixedly connected to the component. A test device communicates with the data collection device to store test... | 07/17/2012 |
| 8219333 | Battery management systems for protecting batteries from fault conditions A battery management system for a battery pack that includes multiple battery cells is disclosed. The battery management system includes a detector coupled to the battery cells, multiple temperature sensors coupled to the battery cells, a current sensor coupled to t... | 07/10/2012 |
