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| Number | Title | Issue Date |
| 8154297 | System and method for predictive maintenance of a battery assembly using temporal signal processing A technique of monitoring a battery assembly may include monitoring a parameter associated with the battery assembly to obtain a number of monitored parameter samples. A temporal sequence of monotonically increasing values may be generated from the monitored paramet... | 04/10/2012 |
| 8154298 | Apparatus for detecting an electrical variable of a rechargeable battery, and method for producing said apparatus An apparatus for detecting an electrical variable of a rechargeable battery and a method for producing said apparatus, has: a measuring element (1), a printed circuit board (4) and a contact element (5) having a first end (6) and a second... | 04/10/2012 |
| 8129995 | Apparatus and method for sensing battery cell voltage using isolation capacitor An apparatus for measuring a battery cell voltage includes a battery having a cell group; a first switching unit for selectively connecting both terminals of each battery cell of the cell group to conductive lines; a first voltage charging unit connected between the... | 03/06/2012 |
| 8125229 | Battery testing and charging system and method of operation thereof A battery testing and charging system that includes at least one battery testing device and at least one battery charging device, wherein the battery testing device is removable from the battery charging device and wherein the battery testing device may communicate ... | 02/28/2012 |
| 8120363 | Voltage drop compensation for an electric power storage device charging system A system includes an electrical energy storage device that may be in the form of one or more batteries, a charger to selectively charge the electrical energy storage device, and charger cabling sized to electrically interconnect the storage device and the charger to... | 02/21/2012 |
| 8102179 | Method for determining the state of charge of a battery in charging or discharging phase at constant current The method for determining the state of charge of a battery can be used during charging or discharging of the battery at constant current. It comprises placing the battery in open circuit during a recovery period until the voltage at the terminals of said battery st... | 01/24/2012 |
| 8081000 | Evaluation method and evaluation apparatus for evaluating battery safety, and battery whose safety indices have been determined with the same The invention provides an evaluation method and an evaluation apparatus with which it is possible to know the safety level of batteries when an internal short circuit occurs through a chemical process, and a battery whose safety level has been determined with the ev... | 12/20/2011 |
| 8058876 | Low cost current and temperature sensor A battery health or prognosis system may employ a ferrite disc embedded in a printed wiring board (PWB) to perform both a battery current sensing role and a temperature sensing role. The ferrite disc may be surrounded with a coil that may be comprised of surface con... | 11/15/2011 |
| 8049509 | Battery information acquiring apparatus A battery information acquiring 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 s... | 11/01/2011 |
| 8035394 | Battery testing device and battery testing method The present invention provides a battery testing device and a battery testing method which can appropriately verify the behavior of a battery when damage occurs. Appropriately verification of battery behavior in a case of battery damage has not been achieved since a... | 10/11/2011 |
| 8030939 | Electronic apparatus and controlling method for the same An electronic apparatus which is capable of correctly displaying the remaining usable time even if a discharged current of a battery pack is changed by an unexpected load due to an external apparatus connected. The electronic apparatus has a battery pack with a seco... | 10/04/2011 |
| 8018233 | Evaluation method of separator for nonaqueous electrolyte battery, and nonaqueous electrolyte battery The evaluation method of a separator for a nonaqueous electrolyte battery according to the present invention includes: placing opposite an upper jig 21 serving also as a conductive electrode and a lower jig 23 serving also as a conductive electrode in ... | 09/13/2011 |
| 8008924 | Detecting circuit A detecting circuit for detecting a battery having a first and second electrode, includes a contacting portion electrically connecting to the first electrode of the battery, a seesaw electrically connected to the second electrode of the battery, and an actuator elec... | 08/30/2011 |
| 8008923 | Method for bypassing a power cell of a power supply A method. The method includes determining that a failure has occurred in a power cell of a multi-cell power supply. The method also includes moving a part of a first contact which is connected to first and second output terminals of the power cell from a first posit... | 08/30/2011 |
| 7990154 | Cell voltage detecting apparatus The present invention provides an easy to produce cell voltage detecting apparatus using a semiconductor having low voltage endurance. In the cell voltage detecting apparatus, cell modules B1-B10 are serially connected, a switch SW1 is located a... | 08/02/2011 |
| 7940053 | Battery tester with promotion feature Battery maintenance equipment is provided for use in maintaining storage batteries. The battery maintenance equipment includes battery maintenance circuitry. A redemption code output is provided and configured to provide an output having a redeemable value in respon... | 05/10/2011 |
| 7940052 | Electronic battery test based upon battery requirements An electronic battery tester for testing a storage battery includes test circuitry configured to provide an output based upon a selected test criteria. Additionally, circuitry is provided to assist in balancing batteries used in a string of multiple batteries. ... | 05/10/2011 |
| 7928735 | Battery performance monitor Improvements both in the methods whereby existing techniques for determining the condition of a battery are communicated to a user (for example, to the owner of a private vehicle, or to the service manager of a fleet of vehicles), or the vehicle's operating system, ... | 04/19/2011 |
| 7919966 | Method of estimating surface ion density The present teachings are directed toward machine implemented method for estimating the ion density of the surface of either positive or negative electrode of a battery. The machine-implemented method includes dividing each electrode into N layers of active electrod... | 04/05/2011 |
| 7888943 | Method and apparatus for battery test For one disclosed embodiment, power from a backup battery may be received by first circuitry. One or more other batteries different than the backup battery may be tested with the first circuitry. Second circuitry may be allowed to supply power from at least one of t... | 02/15/2011 |
| 7830151 | Electronic voltage supply method and apparatus A method and apparatus for supplying a voltage in an information handling system. A modulated voltage signal output circuit linked to an amplitude control element. The amplitude control element linked to a voltage output circuit, the output circuit including one or ... | 11/09/2010 |
| 7812613 | System and method for monitoring electrolyte levels in a battery A measuring device is used in conjunction with a programmable controller for monitoring electrolyte levels in the battery. According to one implementation, the measuring device is located in a battery and is configured to detect when the electrolyte level in the bat... | 10/12/2010 |
| 7800375 | System and method for estimating a state vector associated with a battery A system and a method for estimating a state vector associated with a battery are provided. The method includes determining a time interval that the battery has been electrically decoupled from a load circuit. The time interval starts at a first time. The method fur... | 09/21/2010 |
| 7791347 | Battery assembly with enhanced properties A battery assembly for use in an aircraft. The battery assembly may include a battery and a circuit configured to monitor the battery in situ. The circuit may include at least one sensor positioned to sense at least one property of the battery and a processor in com... | 09/07/2010 |
| 7791348 | Battery tester with promotion feature to promote use of the battery tester by providing the user with codes having redeemable value Battery maintenance equipment is provided for use in maintaining storage batteries. The battery maintenance equipment includes battery maintenance circuitry. A redemption code output is provided and configured to provide an output having a redeemable value in respon... | 09/07/2010 |
| 7791349 | Fuel cell diagnostic apparatus and diagnostic method A fuel cell diagnostic apparatus that diagnoses a fuel cell in which a plurality of power generating cells are stacked together includes a voltage applying device that applies voltage from outside of the fuel cell; a magnetic field measuring device that measures a m... | 09/07/2010 |
| 7772850 | Wireless battery tester with information encryption means An electronic battery tester and method includes generating battery test data from an electronic battery test. The battery test data is transmitted over a wireless communication medium. In another aspect, a method and apparatus is provided for receiving battery test... | 08/10/2010 |
| 7764066 | Simulated battery logic testing device A simulated battery test device and method that is capable of testing a battery charging circuit and logic circuit to determine proper operation. An operational amplifier is used that can both source and sink current to simulate the operation of the battery. A batte... | 07/27/2010 |
| 7750640 | Electromotive force computing device and state of charge estimating device Error in an electromotive force Ve of a secondary battery calculated on the basis of a polarized voltage Vp is reduced. A polarized voltage computing section acquires multiple data pairs of a current I flowing to the secondary battery and a terminal voltage V of the... | 07/06/2010 |
| 7750639 | Battery management system with predictive failure analysis The invention relates to the management of large stationary batteries. The invention is a comprehensive system and process for the management of stationary batteries that are used for backup power and are deployed in widely dispersed locations. The system is compris... | 07/06/2010 |
| 7728597 | Electronic battery tester with databus A cable for connecting to an electronic battery tester, includes a first end configured to couple to a databus of a vehicle and a second end configured to couple to the electronic battery tester. An electrical connection extends between the first end and the second ... | 06/01/2010 |
| 7710119 | Battery tester that calculates its own reference values A battery tester that is capable of calculating its own reference values is provided. The battery tester includes test circuitry that is configured to obtain dynamic parameter values for batteries, and to compute at least one reference value based on the dynamic par... | 05/04/2010 |
| 7705602 | Automotive vehicle electrical system diagnostic device An automotive vehicle electrical system diagnostic apparatus includes first and second electrical connections configured to electrically couple to an electrical system of an automotive vehicle which includes a battery. Digital samples are obtained during operation o... | 04/27/2010 |
| 7688074 | Energy management system for automotive vehicle A battery monitor is provided for use with a battery of an automotive vehicle. The battery monitor can provide real time battery condition measurements and can selectively control the charging of the battery through an alternator of the vehicle based upon the measur... | 03/30/2010 |
| 7688075 | Lithium sulfur rechargeable battery fuel gauge systems and methods Systems and methods for accurately determining the state of charge and the relative age of lithium sulfur batteries are provided. The cell resistance and taper input charge of a particular type of lithium sulfur battery are respectively measured to determine the sta... | 03/30/2010 |
| 7679369 | System and method to measure series-connected cell voltages using a flying capacitor 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 an analog-to-digital converter (ADC) connected to the capacitor may process an accurat... | 03/16/2010 |
| 7675291 | Method and device for monitoring deterioration of battery A battery characteristic detecting method according to the invention includes a first step in which constant current discharge from a battery is performed at a predetermined current value, and a voltage during constant current discharge is measured; a second step in... | 03/09/2010 |
| 7656162 | Electronic battery tester with vehicle type input An electronic battery tester for testing a storage battery includes test circuitry configured to provide an output based upon a selected test criteria. Additionally, circuitry is provided to assist in balancing batteries used in a string of multiple batteries. ... | 02/02/2010 |
| 7642787 | Automotive vehicle electrical system diagnostic device An automotive vehicle electrical system diagnostic apparatus includes first and second electrical connections configured to electrically couple to an electrical system of an automotive vehicle which includes a battery. Digital samples are obtained during operation o... | 01/05/2010 |
| 7642786 | Battery tester capable of identifying faulty battery post adapters An electronic battery tester for testing a storage battery. The tester includes a first connector configured to electrically couple to a first terminal of the battery via a first battery post adapter and a second connector configured to electrically couple to a seco... | 01/05/2010 |
