EP2011011A2 - Surveillance d'une batterie, et système de mesure de ses performances - Google Patents

Surveillance d'une batterie, et système de mesure de ses performances

Info

Publication number
EP2011011A2
EP2011011A2 EP07754501A EP07754501A EP2011011A2 EP 2011011 A2 EP2011011 A2 EP 2011011A2 EP 07754501 A EP07754501 A EP 07754501A EP 07754501 A EP07754501 A EP 07754501A EP 2011011 A2 EP2011011 A2 EP 2011011A2
Authority
EP
European Patent Office
Prior art keywords
battery
warranty
product
data
network
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP07754501A
Other languages
German (de)
English (en)
Other versions
EP2011011A4 (fr
Inventor
David Elder
Frank Bruno
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Reserve Power Cell LLC
Original Assignee
Reserve Power Cell LLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US11/486,101 external-priority patent/US8013611B2/en
Priority claimed from US11/392,620 external-priority patent/US7598700B2/en
Application filed by Reserve Power Cell LLC filed Critical Reserve Power Cell LLC
Publication of EP2011011A2 publication Critical patent/EP2011011A2/fr
Publication of EP2011011A4 publication Critical patent/EP2011011A4/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q10/00—Administration; Management
    • G06Q10/06—Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling

Definitions

  • the invention relates to a method, article of manufacture, and a system for tracking and monitoring warranty and/or performance information for batteries, more specifically to a system having an electronics module and storage media with an at least one sensor circuit sensing the parameter of the battery product and an at least controller that analyzes the data to establish the condition of the battery.
  • Devices like U.S. Patent Application Number 2005/0038614 Botts et al. shows a remote battery monitoring system and sensors in which a plurality of telesensors are connected to batteries in a battery string.
  • the telesensors measure battery data such as voltage, current, and temperature and wirelessly transmit the battery data to a control and collection unit.
  • the control and collection unit receives, processes, analyzes, and stores the battery data.
  • Remote monitoring software running on the control and collection unit can be configured to provide warning alarms when the battery data is outside present limits.
  • U.S. Patent Number 6,456,036 to Thandiwe provides for a smart battery that has a network communication interface such that the battery can send and receive battery-related data.
  • the battery is in conductive and communicative interface with a device, such as a cellular telephone, personal digital assistant (PDA), or laptop computer, which has a network communication pathway that the battery uses for data exchange.
  • PDA personal digital assistant
  • the smart battery can alternately be in conductive and communicative interface with a charger that is interfaced with a computer, and the charger selectively establishes a network communication pathway through the charger-computer interface for the smart battery to exchange data across the network.
  • the system does not provide for the communication of information exchanged with the network to include storage of battery historic information, such as warranty activation/validation data and/or warranty invalidating performance information, or for the selective enablement of the battery or features of or on the battery.
  • U.S. Patent Application Publication Number 2003/0197512 to Miller et al. shows a battery analyzer configured to communicatively couple to a computer network ia which a processing arrangement is configured to charge and discharge the battery of each of an at least one battery arrangement via a battery interface arrangement and is configured to initiate a performance sequence.
  • Data communication between the battery analyzer and a customer service site is illustrated in and can include for example, usage, performance, and/or technical support information of the battery arrangement to the customer service site via the computer network.
  • the centralized computer system may store the information in a memory unit for subsequent retrieval, for example, to graph the usage and performance information and/or to perform numerical analysis on the usage and performance information.
  • no warranty information is stored, treated, or communicated between the battery analyzer of Miller, et al., nor is there any discussion of the enablement or selective activation or deactivation of features on or in the battery.
  • an onboard programmable component of a smart battery that is capable of both receiving data at point of sale, receiving and reporting data during use, and while receiving maintenance, while also allowing for communication of this data to a centralized data network. Additionally, in receiving this data, the smart battery can be capable of disabling and/or enabling both software and hardware on the battery and reporting an estimate as to the remaining useful life of the battery.
  • An object of the invention is to provide a smart battery together with a warranty and metrics tracking system whereby information can be programmed into a smart battery and, at the same time, that information can be centrally stored for use by maintenance providers and manufacturers.
  • An object of the invention is to an onboard programmable component of a smart battery that is capable ⁇ f both receiving data at point of sale, during operation, and while receiving maintenance while also allowing for communication of this data to a centralized data network. Additionally, in receiving this data, the smart battery can be capable of disabling and/or enabling both software and hardware on the battery.
  • the invention includes an article of manufacture, an apparatus, a method for making the article, and a method for using the article.
  • the system of the invention includes a computer system including a computer-readable medium having software to operate a computer in accordance with the invention.
  • the article of manufacture of the present invention comprises a computer- readable medium embodying a computer program.
  • the computer- readable medium embodying the computer program comprises program modules to control a computer to perform the method of the present invention.
  • the apparatus of the present invention comprises a computer programmed with software to operate the computer in accordance with the present invention.
  • the apparatus of the present invention includes a battery monitoring and electronics module.
  • the above objects and advantages of the invention are illustrative, and not exhaustive, of those that can be achieved by the invention. Thus, these and other objects and advantages of the invention will be apparent from the description herein, both as embodied herein and as modified in view of any variations that will be apparent to those skilled in the art.
  • Figure 1 illustrates a plan view of an exemplary embodiment of the invention.
  • Figure 2 illustrates the program modules of an exemplary embodiment of the instant invention.
  • Figure 3 illustrates a perspective view of a further exemplary embodiment of the instant invention incorporating the exemplary embodiment of the electronics battery monitoring module of the instant invention within a battery housing.
  • Figure 4 illustrates a plan view of an exemplary embodiment of the electrical circuit shown in Figure 3.
  • Figure 5 illustrates a flow diagram of an exemplary embodiment of a method of operation of the battery monitoring system.
  • a "computer” refers to any apparatus that is capable of accepting a structured input, processing the structured input according to prescribed rules, and producing results of the processing as output.
  • Examples of a computer include: a computer; a general purpose computer; a supercomputer; a mainframe; a super mini-computer; a mini-computer; a workstation; a micro-computer; a server; an interactive television; a hybrid combination of a computer and an interactive television; a controller processor; an ASIC; and application- specific hardware to emulate a computer and/or software.
  • a computer can have a single processor or multiple processors, which can operate in parallel and/or not in parallel.
  • a computer also refers to two or more computers connected together via a network for transmitting or receiving information between the computers.
  • An example of such a computer includes a distributed computer system for processing information via computers linked by a network.
  • a "computer-readable medium” refers to any storage device used for storing data accessible by a computer.
  • Examples of a computer-readable medium include: a magnetic hard disk; a floppy disk; an optical disk, such as a CD-ROM and a DVD; a magnetic tape; a memory chip; and a carrier wave used to carry computer-readable electronic data, such as those used in transmitting and receiving e-mail or in accessing a network, such as the Internet or a local area network (“LAN"); and any storage device used for storing data accessible by a computer.
  • LAN local area network
  • a "computer system” refers to a system having a computer, where the computer comprises at least one computer and a computer-readable medium embodying software to operate the computer.
  • a “database” is a combination of software and hardware used to efficiently store data on an at least one information storage device, in an exemplary embodiment this includes storage on an information storage device comprising an at least one computer readable medium as defined herein.
  • a "handheld device” is a handheld device capable of receiving and processing data in a manner emulating a computer as defined herein.
  • An "information storage device” refers to an article of manufacture used to store information.
  • An information storage device has different forms, for example, paper form and electronic form.
  • paper form the information storage device includes paper printed with the information.
  • electronic form the information storage device includes a computer-readable medium storing the information as software, for example, as data.
  • a "network” refers to a number of computers and associated devices that are connected by communication facilities.
  • a network involves permanent connections such as cables or temporary connections such as those made through telephone or other communication links. In this way the network can be maintained by conventional wires or may also be provided wirelessly.
  • Examples of a network include: an internet, such as the Internet; an intranet; a local area network (LAN); a wide area network (WAN); CAN and LIN networks; cellular networks; and any combination of networks, such as an internet and an intranet.
  • a "point of sale/point of maintenance device” refers to a network interface, a computer or handheld device that is used to interface with a network, a database, and/o ⁇ with, the electronics module of the battery product. This may be a single device or may be comprised of numerous component devices, such as a handheld device used in conjunction with a wireless network connection to a computer which then communicates with a network and, thereby, a database.
  • the point of sale/point of maintenance device is located at the point of sale or point of maintenance and is coupled to the battery product.
  • Software refers to prescribed rules to operate a computer or similar device. Examples of software include: software; code segments; program modules; instructions; computer programs; and programmed logic.
  • Figure 1 shows a plan view of the instant invention.
  • the exemplary embodiments of figures 1-2 are directed to a battery warranty and metrics tracking network with a programmable battery product also capable of storing performance data.
  • the components of the system include at least one of an onboard electronics module 10 on the battery product 5; a point of sale/point of maintenance device 20 which provides communication with the battery product 5 and a data input for communicating data from and into the battery 25 and also communication of this data to a product database 40; and a network 30 carrying relevant data for storage in the product database 40 and data and/or instructions 50 for storage on the battery product 5 and within the database 40.
  • Reference to a network, a database, an information storage device, a point of sale/point of maintenance device, and an electronics module is to be read as including at least one of each device that is reference to the singular includes all derivations of the plural for each feature disclosed.
  • the electronics module 10, the point of sale/point of maintenance device 20, network 30, and database 40 further includes at least one computer-readable medium in an information storage device embodying software for implementing the invention and/or software to operate the electronics module 10, the point of sale/point of maintenance device 20, the network 30, and database 40 in accordance with the invention.
  • the point of sale/point of maintenance device 20 would operate as a distributed network connected to servers for data storage and retrieval nationwide.
  • FIG. 2 shows a flow chart of the program modules used in the invention.
  • a first program module 1000 software for activating the battery product 5 is provided via the instant invention from the database 40 through the point of sale/point of maintenance device.
  • the system allows for programming, activation, and configuration of the battery product 5.
  • the battery product 5 may be any battery capable of accommodating the electronics module 10.
  • the battery product 5 is a smart battery or multiple battery system having an at least one electronics module 10 thereon.
  • the electronics module 10 maintains the battery product in dormant state. The battery is only awoken from the dormant state by interaction with the point of sale/point of maintenance device 20.
  • the exemplary embodiment of figures 1 and 2 provides a warranty of non-use of the battery product 5 up to the point of sale, as the battery product 5 is only activated at this time. In an exemplary embodiment, this is accomplished with a point of sale/point of maintenance handheld device 22.
  • the battery product activates at the time of sale as software is pushed from the handheld into the electronics module 5 of the battery warranty and metrics tracking system.
  • a further program module 2000 provides for activation of additional programmable capabilities on the battery product 5.
  • the specific configuration can be activated via the point of sale/ point of maintenance device 20.
  • Software is pushed into the electronic package 5 and relevant hardware components and accessory function onboard the battery can be selectively enabled based on this software.
  • One example of such a multiple configuration intelligent battery system or programmable battery product is applicant's INTELLICELLTM battery system, which can be configured for multiple feature levels as well as vehicle and geographic specific functionality. These can include, for example, but certainly are not limited to, activating specific feature rich hardware onboard the intelligent battery system, such as, but certainly not limited to, the hardware indicated in applicants co-pending U.S. patent applications serial nos. 10/604,703, 10/708,739 and 10/913,334, herein incorporated by reference.
  • warranty information specific to the purchaser, information regarding the vehicle of the purchaser, and similar information may be retained and stored on the battery product 5 and, through the network 30, within the database 40.
  • the point of sale/point of maintenance device 20 is used to enter data into the battery product 5.
  • the data can include, for example, identifying information for the specific battery product 5, including for instance, but certainly not limited too, the point of purchase, the date of purchase, a level of warranty, a time period of warranty, vehicle identifying information such as VIN number, vehicle make and model information, locale and geographic specific information, regional information, vehicle specific/manufacturer specific information, and other relevant information.
  • This information, in portions or in its entirety, is stored on the battery product 5 and within the database 40.
  • the information is pushed to the battery product 5 regarding the point of sale/warranty data and communicated, either at the time of purchase or at a later time, to the battery warranty and metrics tracking system network allowing for the storage of battery product 5 specific data into the battery product 5 and into the database 40.
  • the network component 30 of the battery warranty and metrics tracking system transmits this data and allows for storage of this data in the database 40 as a database of product and customer information.
  • the point of sale/point of maintenance device 20 is used during maintenance or at a location where the battery product 5 is being returned to interrogate the information regarding the warranty stored in the electronics module 10. This information may be compared to the stored data within the database 40. Additionally, performance data from the battery product 5 may be retrieved and transmitted via the network to the database 40. This can include metrics regarding any of the characteristics of the battery, including voltage, amps, temperature, and similar characteristics as well as vehicle data communicated from the vehicle to the battery and event specific data that is stored based on previously stored event parameter data pushed onto the battery product 5.
  • the program modules function together to provide tracking of specific information about individual battery products. Each module can function independently of the others and there is no specific order of operation, however, in an exemplary embodiment of the instant invention the software embodying the invention is loaded throughout the network 30 into the point of sale/point of maintenance devices 20.
  • the first program module or activation module 1000 is activated through the point of sale/point of maintenance device 20 to program the battery product 5.
  • the battery product 5 is activated by the point of sale/point of maintenance device 20 activating the electronic module 10, which runs a diagnostic check of the battery and then allows for entry of sales specific programming, activation, and configuration information for the battery product 5.
  • the activation module 1000 looks for software updates, which can be pushed from the database 40 to the point of sale/point of maintenance devices 20 for installation of the latest software in the battery product 5. With respect to the further exemplary embodiment shown in Figures 3-5, a similar interaction with networks can be used to update the circuit and the software utilized to operate the battery monitoring system. Likewise, the information stored on the battery product 5 is sent back to the database 40 through the point of sale/point of maintenance device 20 and the network 30 in a further step, through activation of the warranty information module 3000 as described herein below.
  • the second program module or features activation program module 2000 is activated.
  • This module allows the point of sale/point of maintenance device 20 to selectively enable battery products 5 having multiple configurations.
  • the battery product 5 through electronics module 10 enables the features and accessories of the particular configuration. Additional installation procedures my be required and these are noted at the point of sale/point of maintenance device 20.
  • a third program or warranty information program module 3000 programs warranty information specific to the purchase, information regarding the vehicle of the purchaser, and similar information to be retained and stored on the battery product 5. This information is similarly communicated through the network 30 back to the database 40.
  • the point of sale/point of maintenance device 20 is used to enter data into the battery product 5. This can be accomplished via any input device, non-limiting examples being a keyboard or touch screen.
  • the data can include, for example, identifying information for the specific battery product 5, including for instance, but certainly not limited to, identification of the point of sale, the date of purchase, a level of warranty, a time period of warranty, vehicle identifying information such as VIN number, vehicle make and model information, locale and geographic specific information, regional information, vehicle specific/manufacturer specific information, and other relevant information.
  • This information in portions or in its entirety, is stored on the battery product 5 and within the database 40. The information is pushed onto the battery product 5 regarding the point of sale/warranty data and this information is then communicated, either at the time of purchase or at a later time, to the battery warranty and metrics tracking system network allowing for the storage in the database 40.
  • the battery After activation and programming, the battery is fully functional and operated by the purchaser.
  • the fourth or diagnostic program module 4000 can be activated.
  • the diagnostic module can also be used at the point of sale, if further diagnostic information is desired.
  • the diagnostic program module is run through the point of sale/point of maintenance device 20 and communicates with the electronics module 10 of the battery through a wireless or standard wired connection (note the data port).
  • the information obtained from the battery product 5 will report all previously stored information on the battery product 5. This information can be checked, if desired, against the records stored in database 40. Further, information collected on the battery products 5 metrics can include historical data, especially in the case of failure.
  • This information is communicated to the database 40 and added to the record of the battery product 5 stored thereon. Additionally, software upgrades and other relevant new information is then transmitted back to the battery product 5 from the database 40 through the network 30 and the point of sale/point of maintenance device 20. The information on the battery product 5 is thus maintained and a record of the performance of the battery product 5 and its service history are recorded.
  • This data warehousing on the database 40 provides manufacturers and distributors with heretofore unknown tracking and metrics capabilities.
  • the data warehousing within the battery warranty and metrics tracking system allows distributors and manufacturers to analyze the data fields in the database 40 and make determinations and correlations regarding battery costs and performance and thereby adjust warranties accordingly.
  • the data warehousing also enables faster recall notifications for potential service issues.
  • the data enables manufacturers to more clearly fit and enforce warranties based on regional zones and provides enhanced tracking for warranty claims, including data on metrics. This metrics tracking would provide for faster improvements in designs based on this data. For example, if warranty hits increased or maintenance data showed increased failures in cold weather regions, battery design could more efficiently be adjusted to improve cold weather performance.
  • the electronics module 5 of the instant invention provides additional security in providing accurate data on warranties.
  • the electronics module 10 of the instant invention is developed in such a manner as to deter removal and/or tampering with this component. This is done to both prevent modification of the onboard data pushed onto the battery product and to prevent remanufacture/rehabilitation of the electronics module by unauthorized manufacturers.
  • the methodology of rendering the electronics module tamper resistant can include, but are not limited to, electronics, tamper-resistant/evident markers, mechanical tamper indicators, tamper resistant software functionality (e.g. searching for an electrical connection or otherwise search for point of sale/point of maintenance device), firmware, or similar methodologies to deter tampering-
  • the battery product 5 may, if tampered with, be disabled or an indicator may be provided to alert customers and maintenance personnel.
  • the functionality of the battery product 5 would be disabled; however, access to and the integrity of the stored data will be maintained and accessible via the point of sale/point of maintenance device 20 of the instant invention.
  • the point of sale/point of maintenance device 20 will be able to access the data from the battery product 5, either directly from the electronic module 10 or from component parts, such as, but not limited to, a secure E-PROM chip, of the electronics module 10.
  • FIG. 3 illustrates a perspective view of an exemplary embodiment of the instant invention incorporating the exemplary embodiment of the battery monitoring electronics module of the instant invention within a battery housing.
  • an additional embodiment that can function with the warranty tracking and monitoring software or in a stand alone capacity is included as a further exemplary embodiment of the battery monitoring system.
  • the battery monitoring electronics package 15 is shown attached to a battery product 5.
  • the battery product 5 may be any battery capable of accommodating the electronics module 15.
  • the battery product 5 is a smart battery or multiple battery system having an at least one electronics module 15 thereon.
  • the battery monitoring electronics package 15 may be also be incorporated outside the housing of the battery product 5, for instance as part of the electrical system of a vehicle.
  • Figure 4 illustrates a plan view of an exemplary embodiment of the electrical circuit shown in Figure 3.
  • the controller 2001 can incorporate a number of sub-components. These can include for instance, but not limited to, a CPU, EEPROM(s), ADC(s), PWM(s), Digital Inputs/Outputs, and similar components to enable the functionality of the controller 2001.
  • the controller 2001 is in communication with an at least one sensor, for instance, but not limited to, the disclosed sensor circuits 2010-2040, sensing battery parameters or battery data.
  • the controller 2001 can measure, for example, temperature, resistivity, voltage, current, and similar variables to determine the overall health of the battery.
  • the sensors may be incorporated in a single sensor circuit or may be provided through a group of sensors or sensor circuits.
  • a battery voltage detection circuit 2010, a current drain and source detection circuit 2020, an internal temperature detection circuit 2030 and an internal resistance detection circuit 2040 are provided. These sensors report the respective sensed data back to the controller 2001.
  • a power condition and regulation circuit 2050 is used to ensure stable voltages are supplied to the detection sensors. Greater or fewer circuits can be provided to measure these or other variables within the battery.
  • the sensed battery parameter(s) or battery data is collected by the controller and may be used immediately or may be stored in memory for later use.
  • the data can be compared to thresholds, stored in the controller, and adjusted for the type and size of the battery.
  • the software regarding thresholds and analysis may be pre-programmed on the battery or downloaded to the battery at the point of purchase along with relevant purchase specific information.
  • the controller 2001 can communicate and send an alert signal via a network, computer, or a wireless device through the communications protocols/devices 2100 or via an at least one indicator element 2200, shown in the exemplary embodiment but certainly not limited to, an audio indication circuit or a tri-color LED driver. If the monitored values exceed the preset thresholds a warning may be triggered in real time.
  • the data may be used in a predictive model to predict, based on captured data or stored data, when a warning to change the battery should be sent.
  • This predictive value can be adjusted in real time as the battery monitors the variables.
  • the predictive model may be adjusted via a network, wireless device, or via an indicator element. This analysis, both with respect to real time analysis and predictive analysis is described further below in relation to the flow diagram shown as Figure 5.
  • FIG. 5 illustrates a flow diagram of an exemplary embodiment of a method of operation of the battery monitoring system.
  • the battery monitor acquires battery parameter(s) or battery data from sensors.
  • this step includes at least one of the boxed sub-steps of acquiring analog to digital converted data for current drain and source, voltage acquisition, internal temperature, internal resistance, and similar parameters or data.
  • This information is processed in the further step 3100 of filtering and processing the parameters and data.
  • This processing can include, as show in the exemplary embodiment, sub-steps which can include but are not limited to ADC scaling and integration of variables, Steinhart Hart Linearization, and other modifications to the parameters or data.
  • the modified data is passed onto the further step of analyzing the data 3200.
  • the modified data is passed through a filter applying a predictive, parametric database of values.
  • a filter applying a predictive, parametric database of values.
  • the variable event filter table a table or map with a wide number of combinations of the sensed variables resulting in an output that represents the state of the battery or the relative health of the battery with respect to its operating life.
  • the parameters or data can be stored in memory or the state of the battery may be stored in memory in step 3300. Additionally or alternatively, the information or data may be transmitted via the optional step of communicating 3900 through, for example, a communication protocol and network, wired or wireless, or communicating through an interface to other components in a further communicating step 3450.
  • the optional communications steps may also be used to update the thresholds and tables used in analyzing step 3200 that is the communication can be bi-directional to facilitate updates. This updating may be done through a network or a handheld device at the time of purchase or during maintenance or during operation of the battery, as disclosed previously.
  • the information from the database can be fed to feedback drivers for further updating and correction of the thresholds and tables used in the analyzing step. This is a self-teaching, self-correcting measure to allow the battery monitoring unit to make changes for the specific battery with which it is associated.
  • the embodiments and examples discussed herein are non-limiting examples.

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Abstract

L'invention porte sur le système de surveillance d'une batterie communiquant avec elle et comprenant: au moins un module électronique; un moyen de stockage lisible par ordinateur; au moins un circuit de détection de l'état de la batterie; au moins un dispositif de communication transmettant des données à la batterie et en recevant; et au moins un contrôleur recevant les paramètres ou données détectés par au moins un détecteur. Le contrôleur reçoit lesdits paramètres ou données, les traite et les filtre, puis analyse les données pour déterminer l'état de la batterie.
EP07754501A 2006-07-14 2007-03-30 Surveillance d'une batterie, et système de mesure de ses performances Withdrawn EP2011011A4 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US11/486,101 US8013611B2 (en) 2006-07-14 2006-07-14 Vehicle battery product and battery monitoring system
US11/392,620 US7598700B2 (en) 2005-03-30 2006-09-11 Tamper resistant battery and battery warranty and performance tracking system
PCT/US2007/007987 WO2007123741A2 (fr) 2006-03-30 2007-03-30 Surveillance d'une batterie, et système de mesure de ses performances

Publications (2)

Publication Number Publication Date
EP2011011A2 true EP2011011A2 (fr) 2009-01-07
EP2011011A4 EP2011011A4 (fr) 2011-08-31

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EP07754501A Withdrawn EP2011011A4 (fr) 2006-07-14 2007-03-30 Surveillance d'une batterie, et système de mesure de ses performances

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EP (1) EP2011011A4 (fr)
AU (1) AU2007241027A1 (fr)
CA (1) CA2682386A1 (fr)
WO (1) WO2007123741A2 (fr)

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Publication number Priority date Publication date Assignee Title
CN101344579B (zh) * 2008-08-18 2013-11-27 惠州市德赛电池有限公司 电池电量检测装置及其检测方法
WO2013003931A1 (fr) * 2011-07-05 2013-01-10 Research In Motion Limited Procédé et appareil pour dépister des pièces contrefaites dans des appareils
US9229704B2 (en) * 2014-04-01 2016-01-05 Ford Global Technologies, Llc Smart vehicle reflash with battery state of charge (SOC) estimator

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US20030197512A1 (en) * 2002-04-22 2003-10-23 Michael Miller Battery analyzer

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WO2007123741A3 (fr) 2008-05-02
CA2682386A1 (fr) 2007-11-01
WO2007123741A2 (fr) 2007-11-01
AU2007241027A1 (en) 2007-11-01
EP2011011A4 (fr) 2011-08-31

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