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公开(公告)号：US11509150B2
公开(公告)日：2022-11-22
申请号：US16781777
申请日：2020-02-04
发明人： Hideo Kondo
IPC分类号： H02J7/00
摘要： A system for it inhibiting the excessive discharge of a battery in an electronic device, in some embodiments, comprises: a battery to supply power to the electronic device; and a fuel gauge coupled to the battery to monitor said power, wherein the fuel gauge enters a standby mode upon determining that a voltage supplied by the battery is at or below a voltage threshold and that a capacity of the battery is at or below a capacity threshold.
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公开(公告)号：US11280839B2
公开(公告)日：2022-03-22
申请号：US16853063
申请日：2020-04-20
发明人： Hideo Kondo
IPC分类号： G01R31/367 , G01R31/3835 , H02J7/00
摘要： Various embodiments of the present technology may provide methods and apparatus for a battery. The apparatus may compute a state of charge (SOC) of the battery using a coulomb counting method and adjust the computed SOC based on an extracted SOC. The apparatus may determine whether the battery is in an open circuit condition and, if so, the extracted SOC is determined during the open circuit period.
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公开(公告)号：US11039504B2
公开(公告)日：2021-06-15
申请号：US16148072
申请日：2018-10-01
发明人： Hideo Kondo
IPC分类号： H05B1/02 , H05B3/44 , A24F47/00 , G01R31/382 , G01R31/389 , G01R31/392 , G01R31/36 , G01R31/3842
摘要： Various embodiments of the present technology comprise a method and apparatus for a power supply control circuit. In various embodiments, the apparatus is adapted to control the power supplied by a battery to a heating element. The apparatus may comprise a memory for storing known data and circuitry configured to control the delivery of power from the battery to the heating element according to measured parameters, calculated parameters, and the known data.
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公开(公告)号：US10423211B2
公开(公告)日：2019-09-24
申请号：US16059756
申请日：2018-08-09
发明人： Hideo Kondo
IPC分类号： G06F1/32 , G06F1/3212 , H02J7/00 , G06F1/3287
摘要： A system for conserving power in an electronic device, in some embodiments, comprises: a battery to supply power to the electronic device; and a fuel gauge coupled to the battery and capable of operating in any of a plurality of power modes, wherein the fuel gauge selects its own power mode based on a repeated, variable-frequency sampling of a voltage provided by said battery.
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5.发明授权公开(公告)号：US09261567B2
公开(公告)日：2016-02-16
申请号：US14194815
申请日：2014-03-02
发明人： Susumu Yamada , Hideo Kondo , Seiji Takai
CPC分类号： G01R31/3644 , G01R31/3651
摘要： A remaining battery power calculation circuit includes: a detection unit configured to detect an output voltage of a battery; a data storage unit configured to store data in an associated manner with each of a plurality of current values for charge or discharge of the battery, the data indicating a relationship between the output voltage and a ratio of remaining power of the battery to a capacity of the battery in a case where the battery is charged or discharged with each of the plurality of current values; and a first calculation unit configured to calculate a charging/discharging current of the battery based on the data and the output voltage.
摘要翻译： 剩余电池电力计算电路包括：检测单元，被配置为检测电池的输出电压; 数据存储单元，被配置为以与电池的充电或放电的多个当前值中的每一个相关联的方式存储数据，所述数据指示输出电压与电池的剩余电量的比率与电池的容量之间的关系 在电池以多个电流值中的每一个充电或放电的情况下的电池; 以及第一计算单元，被配置为基于所述数据和所述输出电压来计算所述电池的充电/放电电流。
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公开(公告)号：US11614492B2
公开(公告)日：2023-03-28
申请号：US16949522
申请日：2020-11-02
发明人： Hideo Kondo
IPC分类号： G01R31/374 , G01R19/165 , H01M10/44 , G01R31/3842 , H02J7/00 , G01R31/388
摘要： Various embodiments of the present technology may provide methods and apparatus for a battery. The apparatus may provide a fuel gauge circuit that operates in conjunction with a charger to perform a pre-charging operation of the battery in the event the battery has experienced an over-discharge. The pre-charging operation is defined by a period of time selected according to a measured state of charge and/or an internal resistance of the battery.
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公开(公告)号：US11588336B2
公开(公告)日：2023-02-21
申请号：US16948808
申请日：2020-10-01
发明人： Hideo Kondo
IPC分类号： H02J7/00
摘要： Various embodiments of the present technology may provide methods and apparatus for a battery system. The apparatus may provide a protection control circuit to detect undesired battery conditions and a fuel gauge circuit to confirm the detected battery condition, record the detected condition, and report the recorded conditions.
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公开(公告)号：US11448709B1
公开(公告)日：2022-09-20
申请号：US17190923
申请日：2021-03-03
发明人： Hideo Kondo
IPC分类号： G01R31/392 , H02J7/00 , G01R31/388 , G01R31/389
摘要： According to an aspect, a battery system includes a current sensor configured to measure a current that charges or discharges a battery, a voltage monitor configured to measure a cell voltage of the battery, a state-of-charge (SoC) calculation engine configured to calculate an SoC value, and an energy calculation engine configured to compute charge energy loss of the battery for a sampling period based on the current, cell voltage, and the SoC value and compute a capacity degradation metric based on the charge energy loss and reference charge loss of a reference battery. The energy calculation engine is configured to transmit, via an interface, the capacity degradation metric to a battery manager of a device.
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公开(公告)号：US11316356B2
公开(公告)日：2022-04-26
申请号：US16822492
申请日：2020-03-18
发明人： Hideo Kondo
IPC分类号： H02J7/00 , G01R31/3835 , G01R31/367
摘要： Various embodiments of the present technology may provide methods and apparatus for a battery. The apparatus may be configured to autonomously select an appropriate battery profile for a given battery. Autonomous selection may be achieved by measuring the time that the battery voltage is within a specified range and comparing the time results to a reference table having known battery data.
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公开(公告)号：US11275119B2
公开(公告)日：2022-03-15
申请号：US16670650
申请日：2019-10-31
发明人： Hideo Kondo
IPC分类号： G01R31/3835 , G01R31/36 , G01R31/367 , H02J7/00
摘要： Various embodiments of the present technology may provide methods and system for a battery. The system may provide a fuel gauge circuit configured to select an energy curve from a plurality of energy curves and determine a remaining energy value based on the selected energy curve and a computed remaining capacity of the battery. The fuel gauge circuit controls a current to a load based on the remaining energy value.
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