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| Number | Title | Issue Date |
| 8164341 | System and method to measure series-connected cell voltages and verify measurement accuracy A system and method for measuring voltage of individual cells connected in series includes a single flying capacitor. The capacitor stores the charge of one of the cells such that a primary analog-to-digital converter (ADC) connected to the capacitor may process a r... | 04/24/2012 |
| 8148994 | Device and method for determining replacement of storage battery A control unit (16) of a replacement determination device charges one or more battery modules (10) as determination targets, and measures the voltage change value of the battery module (10) in a predetermined period of time from the time of stop... | 04/03/2012 |
| 8148993 | Abnormality detecting device, abnormality detecting method, and computer readable medium storing an abnormality detecting program An abnormality of a current sensor or a voltage sensor is detected. An abnormality detecting section reads out a charging/discharging current I of a secondary battery detected by the current sensor and a battery voltage V of the secondary battery, calculates an esti... | 04/03/2012 |
| 8130000 | Methods and apparatus for battery monitoring A battery monitoring system is provided to monitor a battery stack having multiple cells connected in series. The monitoring system includes monitor modules to monitor respective subsets of the cells of the battery stack, each monitor module, in response to one or m... | 03/06/2012 |
| 8085051 | Abnormality detecting device for storage element, abnormality detecting method for storage element, abnormality detecting program for storage element, and computer-readable recording medium storing abnormality detecting program An abnormality detecting device for a storage element is able to improve accuracy of abnormality detection for the storage element. The device includes at least an equalization process portion, an abnormality determination portion, a voltage measurement portion, and... | 12/27/2011 |
| 8072224 | Methods for predicting the future performance of fuel cell stacks and individual fuel cells Method embodiments for analyzing the future performance of a fuel cell stack comprise the steps of: a) generating a first polarization curve data by experimentally measuring the voltage of a fuel cell stack across a current range at a first interval; b) dividing the... | 12/06/2011 |
| 8058878 | Battery information acquiring apparatus There is an apparatus includes a voltage acquiring unit which acquires an inter-terminal voltage of the battery cell; a battery information acquiring circuit which acquires battery information of the battery cell with the acquired voltage being supplied as a power s... | 11/15/2011 |
| 8030940 | Battery voltage measuring system A battery voltage measuring system includes an analog/digital converter configured to receive a higher reference voltage and a lower reference voltage which is lower than the higher reference voltage and to outputs a digital output value based on an input voltage wh... | 10/04/2011 |
| 7999553 | Voltage measurement device and electric vehicle To provide a voltage measurement device for measuring a battery voltage of a secondary battery formed by serially connecting a plurality of battery blocks, which is able to calculate the battery voltage in block units even though a potential detection line is discon... | 08/16/2011 |
| 7973534 | Protection device for assembled battery, and battery pack unit A protection device for an assembled battery includes a sampling unit which individually samples voltages of batteries of the assembled battery to generate sampled voltages, a holding unit which holds the sampled voltages to generate a plurality of holding voltages,... | 07/05/2011 |
| 7902829 | Battery management system and driving method thereof A battery management system for managing a battery including a plurality of battery cells and a driving method are provided. The system includes a sensor, and a main control unit (MCU). The sensor senses a voltage and a current of the battery. The MCU receives the v... | 03/08/2011 |
| 7786734 | Method and device for regenerating batteries Method for treatment, in the form of regeneration, of an accumulator (160) having at least one cell, preferably lead batteries, in which a varying direct current from a power source (130) is applied in intermittent current supply periods, which are int... | 08/31/2010 |
| 7728599 | Battery management system and driving method thereof A battery management system and a driving method thereof. The battery management system manages a plurality of battery cells, and a plurality of cell relays respectively coupled to the plurality of cells. The battery management system includes a voltage detecting un... | 06/01/2010 |
| 7710120 | Abnormal voltage detector apparatus for detecting voltage abnormality in assembled battery An abnormal voltage detector apparatus is provided for an assembled battery including a plurality of battery blocks connected in series to each other. In the abnormal voltage detector apparatus, a detecting part detects whether or not each of the battery blocks is i... | 05/04/2010 |
| 7557585 | Abnormal voltage detection apparatus for detecting voltage abnormality in assembled battery An abnormal voltage detection apparatus is provided for an assembled battery including a plurality of battery blocks connected in series to each other. In the abnormal voltage detection apparatus, each of a plurality of signal detectors is provided in each of batter... | 07/07/2009 |
| 7550975 | Portable information terminal apparatus and voltage measurement apparatus The measurement unit measures a voltage by converting it from analog to digital and outputs a measurement value. The changeover unit, being connected to a battery and a reference voltage source generating a highly accurate fixed voltage, selects one of them and appl... | 06/23/2009 |
| 7492160 | Device and method for measuring individual cell voltages in a cell stack of an energy accumulator A device and method enable measuring individual cell voltages of cells in a cell stack of an energy accumulator. To this end, a series circuit formed of two diodes is connected in parallel to each cell, the nodes between these diodes are connected to a changeover sw... | 02/17/2009 |
| 7439706 | Battery determination system for battery-powered devices This system provides a method for determining whether ordinary battery cells, a battery pack, and/or a charger unit are attached to a portable electronic device. The system provides a center contact in a battery shaft that contacts a battery pack or a point on an in... | 10/21/2008 |
| 7437647 | Mode entry circuit and method An apparatus and method for generating an active mode activation signal in response to an input signal having a voltage exceeding the greater of two reference voltages by a voltage margin. ... | 10/14/2008 |
| 7432719 | Abnormality monitoring apparatus in load drive circuit An ECU performs a program. In the program, in the case where a converter is performing an operation for increasing a voltage (i.e., YES in step S 102), when a difference between an estimated battery voltage VBE and a battery voltage VB has continued to be lar... | 10/07/2008 |
| 7423408 | Monitoring device and method for determining at least one characteristic variable for the state of a battery A method for determining at least one characteristic variable for the state of a battery includes: (a) determining the charge throughput of the battery per time step; having, (b) determining a first characteristic figure in order to describe the stratification of th... | 09/09/2008 |
| 7421603 | Method for monitoring the operating readiness of at least one memory element assigned to an electronic unit A method for monitoring the operating readiness of memory elements which are assigned to an electronic unit, an engine control unit for example. Furthermore, an electronic unit for executing the method and a computer program, as well as a computer program product ar... | 09/02/2008 |
| 7420374 | Battery with remaining electrical power display function and method of the same This invention provides an electronic device that has a battery with a power storage unit and a display module, a power detector and a display control module. The power storage unit is for storing electrical power and the display module is placed on the surface of t... | 09/02/2008 |
| 7417438 | Battery voltage measurement apparatus A voltage measurement circuit includes a plurality of voltage input terminals that are supplied with voltage outputted by secondary batteries via voltage measurement lines, a plurality of voltage sensors connected between each of the plurality of voltage input termi... | 08/26/2008 |
| 7417437 | Vehicle battery testing assembly A portable assembly includes a multi-level housing having a vertically oriented back wall and an elongated rectilinear axle conjoined thereto. The housing further includes an elongated handle having a lower end portion monolithically formed with the back wall. A plu... | 08/26/2008 |
| 7411400 | Method for testing battery condition According to this invention a battery testing device is provided. Such device activates a shortening between the battery poles using a predefined electronic circuit (in order to maximize the battery's energy potential) for a time period of 10-50 μsec. In a subseque... | 08/12/2008 |
| 7366623 | Method and apparatus for characterizing a load on a data line A method for characterizing a load on a data line includes the steps of: (A) Applying at least three successive voltages to the data line. Each respective odd-numbered successive voltage of the at least three successive voltages has substantially a first voltage val... | 04/29/2008 |
| 7364078 | Bar code reading method and apparatus for a battery tester charger An apparatus for entering information into a battery test/charger that includes a bar code reader, a controller that is used to receive information from the bar code reader wherein the controller controls a battery tester/charger. In addition, a method for entering ... | 04/29/2008 |
| 7362588 | Flying capacitor type battery voltage detector In a flying capacitor type battery voltage detector on a circuit substrate, a large number of photo MOS switches having performance highly depending from temperature are dividedly disposed on front and back surfaces of the circuit substrate such that the photo MOS s... | 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 |
| 7358704 | Critical state estimation system and method for secondary cells For estimation of a critical state of a performance under a working condition of a secondary cell, in consideration of an internal resistance of the cell, a variable data provider provides variable data on the performance, including a first data on a variant of the ... | 04/15/2008 |
| 7359998 | Low-power CD-ROM player with CD-ROM subsystem for portable computer capable of playing audio CDs without supply energy to CPU A low-power audio CD player for portable computers permits operation of the CD-ROM subsystem when power is not being supplied to the computer subsystem. In one embodiment of the invention, the computer subsystem comprises a system CPU, a digital-audio generating cir... | 04/15/2008 |
| 7352156 | State-of-charge estimating device of secondary battery A state-of-charge (SOC) estimating device and method for a secondary battery that estimates the SOC of the battery with high precision when variation takes place in the parameters of the battery model, even if the input current is constant. A first SOC estimating pa... | 04/01/2008 |
| 7343484 | Personal computer integrated with personal digital assistant A personal computer (PC) adapted to function as a personal digital assistant (PDA) includes: a central processing unit (CPU) responsive to a control signal to load a first operating system or a second operating system, wherein the first operating system is run by th... | 03/11/2008 |
| 7332913 | Method and apparatus for determining to which battery cell in a string of battery cells a test instrument is connected A method and apparatus for determining to which battery cell in a string of battery cells between a pair of busses a test instrument is connected. Knowing the average voltage of the battery cells in the string, the voltage from one of the busses to the side furthest... | 02/19/2008 |
| 7333902 | Maximum and minimum power limit calculator for batteries and battery subpacks A system for determining an operating limit of at least one battery according to some embodiments of the present invention comprises a voltage module that measures a voltage V across at least one battery during first and second periods. A current sensor that measure... | 02/19/2008 |
| 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 |
| 7304584 | Wireless input device with low voltage mandatory alert function The present invention relates to a wireless input device with a low voltage mandatory alert function, including: a battery for supplying power for the wireless input device; a microcontroller for handling the input signals of the wireless input device. The present i... | 12/04/2007 |
| 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 |
| 7288940 | Galvanically isolated signal conditioning system A galvanically isolated signal conditioning system includes a signal conditioning circuit on an integrated circuit chip; a flying capacitor; and a galvanically isolating MEMS switching device on an integrated circuit chip for selectively switching the flying capacit... | 10/30/2007 |
