Search Patents
  • BATTERY CHARGER CAPABLE OF SELECTIVELY PERFORMING A PARTIAL OR FULL STATE-Of-HEALTH EVALUATION ON A BATTERY BASED ON THE HISTOR OF THE BATTERY
    Publication number: 20100039071
    Abstract: A rechargable battery with an internal microcontroller. The microcontroller contains a memory in which data regarding the environment to which the battery is exposed are stored. These data are read by a processor integral with the charger used to charge the battery. If these data indicates the battery may have been subjected to a harsh environment, such as being exposed to an excessive temperature, the charger performs a fulle state of health evaluation of the battery.
    Type: Application
    Filed: October 21, 2009
    Publication date: February 18, 2010
    Inventors: Brey Daniel Hansford, Don Malackowski
  • APPARATUS FOR PREVENTING BATTERY FROM BEING OVERCHARGED
    Publication number: 20120313573
    Abstract: Disclosed is an apparatus for preventing a battery from overcharging. In particular, the apparatus includes a battery module which has a plurality of battery cells and a battery controller that is connected to the battery module. The battery controller has a voltage sensor. A mounting frame is arranged a predetermined distance from the battery module, and is made of a conductor to which a ground is connected. The battery controller determines that overcharging to the battery module has occurred when the voltage sensor senses a low voltage due to the battery module coming in contact with the mounting frame because of swelling.
    Type: Application
    Filed: December 6, 2011
    Publication date: December 13, 2012
    Applicants: Kia Motors Corporation, Hyundai Motor Company
    Inventors: Hae Kyu Lim, Mi Ok Kim
  • Battery monitoring system with integrated battery holder
    Patent number: 6208114
    Abstract: An apparatus for monitoring the condition of a battery. The apparatus includes a battery clip that is used to secure a battery to a battery connection and a battery monitoring IC. The battery monitoring IC takes a “load vs. no-load measurement” and the results are recorded in a register. When the battery reaches a certain low voltage state, register bits are set and an output is generated. Furthermore, the exemplary embodiment includes a removal detection circuit for detecting removal and replacement of the battery and for preventing voltage floating on the battery output line.
    Type: Grant
    Filed: July 22, 1999
    Date of Patent: March 27, 2001
    Assignee: Dallas Semiconductor Corporation
    Inventors: Brian W. Jones, Scott E. Jones
  • Method and apparatus for controlling cooling of battery pack
    Patent number: 10355328
    Abstract: A method and apparatus for controlling cooling of a battery pack are disclosed, in which the method includes determining a load state of the battery pack and selectively controlling a supply of a cooling fluid to cooling paths disposed among battery cells included in the battery pack.
    Type: Grant
    Filed: November 11, 2015
    Date of Patent: July 16, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Tae Won Song, Jinho Kim, DongKee Sohn, Taejung Yeo
  • BATTERY CHARGING WAREHOUSE
    Publication number: 20110227526
    Abstract: The battery charging warehouse includes a pallet rack and a battery charger. The pallet rack has a plurality of storage locations in each of which a battery is stored. At least one of the storage locations is a charging storage location in which the battery is charged. The battery charger is mounted to an upper part of the charging storage location. The battery charger is movable up and down in the charging storage location and has a charge connector. When the battery charger is moved down in the charging storage location, the charge connector is received by a battery connector of the battery stored in the charging storage location thereby to automatically connect the charge connector to the battery connector.
    Type: Application
    Filed: March 11, 2011
    Publication date: September 22, 2011
    Applicant: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    Inventors: Manabu HAMA, Mitsutaka Shibagaki, Takanori Imai
  • METHOD AND SYSTEM FOR CHARGING BATTERY
    Publication number: 20140097788
    Abstract: A method of charging a battery including at least one battery cell includes supplying a first current for charging the battery a first charge period, and supplying a second current for charging the battery for a second charge period, where the second current is less than the first current. The method also includes supplying a constant voltage for charging the battery for a set charge period.
    Type: Application
    Filed: March 6, 2013
    Publication date: April 10, 2014
    Applicant: SAMSUNG SDI CO., LTD.
    Inventors: Bong-Young Kim, In-Kyu Park
  • Apparatus and method to charge a battery
    Patent number: 8970181
    Abstract: An apparatus and a method to charge a battery, the battery charging apparatus including: a battery unit which is chargeable; a battery charging unit which charges the battery unit; and a controller which adjusts a preset charge voltage of the battery unit based on a charge allowance capacity of the battery unit to have a predetermined value, and controls the battery charging unit to output the adjusted charge voltage and to charge the battery unit. Accordingly, the apparatus and method are capable of charging a battery based on a charge allowance capacity decreased owing to deterioration of the battery to safely use the battery and to extend a life of the battery.
    Type: Grant
    Filed: April 29, 2011
    Date of Patent: March 3, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chang-hum Lee, Jeong-gyu Park, Hyung-wook Choi
  • Battery chamber contacts for handheld electronic devices
    Patent number: 6274266
    Abstract: Improved battery chamber contacts for handheld electronic devices include a plurality of longitudinally aligned and differently spaced battery contacts located on a lateral side of an elongated battery packet. The battery packet is housed in an elongated battery chamber in an electronic device. The battery chamber has chamber contacts mating and engageable with the battery contacts. Electronic coupling between the battery packet and the chamber will be established only when all mating contacts between the battery contacts and the chamber contacts are engaged.
    Type: Grant
    Filed: August 6, 1999
    Date of Patent: August 14, 2001
    Assignee: TelePaq Technology Inc.
    Inventor: Ching-Yuan Wang
  • Battery charger
    Patent number: 6534951
    Abstract: A battery charger can avoid possibility of output shorting while the secondary battery is not connected and prevent use of a secondary battery other than dedicated one. The battery charger includes battery charging control means for supplying a charge current to a predetermined secondary battery via an output terminal, and output cut-off means for cutting off connection between the output terminal and the battery charging control means when the predetermined secondary battery is not loaded and for establishing connection between the output terminal and the battery charging control means when the predetermined secondary battery is loaded.
    Type: Grant
    Filed: December 19, 2001
    Date of Patent: March 18, 2003
    Assignee: NEC Corporation
    Inventor: Nobuhiro Kawashima
  • BATTERY TESTER WITH PROMOTION FEATURE
    Publication number: 20100289498
    Abstract: 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 response to the battery maintenance circuitry. A method includes outputting a redemption code in response to usage of battery maintenance equipment.
    Type: Application
    Filed: May 25, 2010
    Publication date: November 18, 2010
    Inventors: Dennis V. Brown, Kevin I. Bertness, Stephen J. McShane, Michael E. Troy, William G. Sampson
  • SECONDARY BATTERY
    Publication number: 20110163712
    Abstract: A secondary battery includes a battery case configured subject to the configuration of a conventional 9V or 1.5V battery and a battery body and a battery charger mounted in the battery case. The battery charger controls the battery body for charging and voltage output, and provides a USB socket as charging interface and positive and negative electrodes as discharging interface. Thus, the secondary battery is connectable to a USB plug of a cell phone battery charger or computer for charging, and can be installed in an electric product like a conventional battery cell to provide DC power to the electric product. Under the provision of current detection function and voltage adjusting function, the 1.5V secondary battery can be connected in series or in parallel with one or a number of micro resistor-provided virtual batteries to output a voltage subject to its linking arrangement.
    Type: Application
    Filed: April 13, 2010
    Publication date: July 7, 2011
    Inventor: Roger Chen
  • Device and method for battery removal from a mobile device
    Patent number: 7492123
    Abstract: Described is a system and method for battery removal in a mobile device. The system comprises a battery receiving chamber receiving a battery to power the device and a suspension mechanism holding the battery in the battery receiving chamber, the suspension mechanism releasing the battery after receiving a signal. The method comprises determining if a mobile device is shut down and releasing a power supply from a suspension mechanism after the mobile device is shut down.
    Type: Grant
    Filed: June 21, 2006
    Date of Patent: February 17, 2009
    Assignee: Symbol Technologies, Inc.
    Inventor: Thomas Wulff
  • Battery charger system and method for providing detailed battery status and charging method information
    Patent number: 6937947
    Abstract: A battery charger system and method are disclosed for providing detailed battery status and charging method information and for controlling the charging of the battery. A controller is provided within the battery charger. The controller starts a measurement cycle. During the measurement cycle, current battery characteristics are determined by the battery charger. The controller determines a current charging method of the battery. Then controller then utilizes the battery characteristics and current charging method to determine an appropriate charging method for the battery. The controller then causes the battery charger to charge the battery utilizing the appropriate charging method.
    Type: Grant
    Filed: August 20, 2002
    Date of Patent: August 30, 2005
    Assignee: LSI Logic Corporation
    Inventor: Matthew Glen Trembley
  • PULSE CHARGING OF A GRID INTERACTIVE BATTERY SYSTEM
    Publication number: 20140028249
    Abstract: A system for pulse charging a battery includes a battery module, an inverter, and a pulse apparatus connected to the inverter and the battery module and configured to pulse charge the battery module by modulating a power output from the inverter. A method of pulse charging a battery module includes the steps of converting AC power output from a power grid to constant DC power, modulating the constant DC power to produce modulated power, and providing the modulated power to the battery module to pulse charge the battery module.
    Type: Application
    Filed: July 29, 2013
    Publication date: January 30, 2014
    Applicant: Primus Power Corporation
    Inventors: Ryan Larsen, David Ridley, Rick Winter
  • Reduced standby current in a multi-battery wearable device
    Patent number: 11476683
    Abstract: Disclosed are embodiments to provide a multi-battery energy storage device. One embodiment comprises a first battery and a second battery, with a first circuit branch coupling a positive side of the first battery to a positive side of the second battery, a second circuit branch coupling a positive side of the first battery to a negative side of the second battery, a third circuit branch coupling the negative side of the first battery to the negative side of the second battery, and multiple switchable devices configured to control flow of current through corresponding branches. Other embodiments comprise other configurations and operations.
    Type: Grant
    Filed: October 8, 2020
    Date of Patent: October 18, 2022
    Assignee: Snap Inc.
    Inventor: Zhibin Zhang
  • BATTERY CHARGING SYSTEM
    Publication number: 20140232324
    Abstract: A battery charging system comprises a battery charger, a first battery, a second battery connected in series with the first battery, and first and second voltage regulation circuits. The battery charger provides a charging output to the series-connected first and second batteries. The first voltage regulation circuit is connected in parallel with the first battery and provides a first conductive current path that bypasses the first battery in response to a voltage across the first battery exceeding a threshold value. A second voltage regulation circuit is connected in parallel with the second battery and provides a second conductive current path that bypasses the second battery in response to a voltage across the second battery exceeding a threshold value.
    Type: Application
    Filed: February 15, 2013
    Publication date: August 21, 2014
    Applicant: HAMILTON SUNDSTRAND CORPORATION
    Inventors: Philip Readio, Michael Krenz
  • Portable battery charger
    Publication number: 20120187902
    Abstract: A portable battery charger has a built-in, retractable connector for charging a portable electronic device. In a first position, a first connector is exposed to the outside of the portable battery charger, to be inserted into a power supply apparatus for charging a reserve battery in the portable battery charger. In a second position, a second connector is exposed to the outside of the portable battery charger, to be inserted into a portable electronic device for charging the portable electronic device. In a third position, both the first and second connectors are covered in the case of the portable battery charger.
    Type: Application
    Filed: January 5, 2012
    Publication date: July 26, 2012
    Inventor: Wen Fee Wang
  • Battery, Battery Assembly, and User Equipment
    Publication number: 20130216886
    Abstract: A battery, a battery assembly, and a user equipment are disclosed. The battery includes a circuit board and a cell. The circuit board includes a first contact, a second contact, a third contact, a fourth contact, a battery management module, and a control switch. The first contact reports a capacity of the cell in the battery, or in the battery and a cascaded battery to an upper-level battery or an electricity load; the second contact receives and output the capacity of the cell in the cascaded battery; when the control switch is opened, the third contact is connected to the cell in the battery to charge or discharge the cell in the battery; when the control switch is closed, the fourth contact is connected to the third contact; and the battery management module triggers opening or closing of the control switch.
    Type: Application
    Filed: March 25, 2013
    Publication date: August 22, 2013
    Applicant: HUAWEI DEVICE CO., LTD.
    Inventor: HUAWEI DEVICE CO., LTD.
  • Method and Apparatus for Charging a Lead Acid Battery
    Publication number: 20120139475
    Abstract: The invention relates to a method of operating a lead acid battery which undergoes discharging phases and charging phases in a cyclical fashion. The method involves monitoring the current discharged from the battery during a discharging phase and recording information relating to that current flow, such as the charge lost from the battery. During the subsequent charging phase, a desired amount of charge to be supplied to the battery is calculated based upon the recorded information, and then supplied to the battery.
    Type: Application
    Filed: July 27, 2010
    Publication date: June 7, 2012
    Inventors: Rhodri Evans, Wayne Coldrick
  • Battery charge control algorithm
    Patent number: 11031638
    Abstract: The present disclosure relates to an algorithm for controlling an output specification of a charger according to a battery usage pattern, more particularly, to an algorithm for analyzing a usage pattern of a battery built in a user's system through a self-analysis and controlling a battery charging scheme suitable for the analyzed pattern, thereby extending the service life of the battery.
    Type: Grant
    Filed: November 8, 2017
    Date of Patent: June 8, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Jong Woo Lee, Seung Jin Noh