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    • 8. 发明授权
    • State-of-charge-measurable batteries
    • 充电状态电池
    • US6014014A
    • 2000-01-11
    • US181797
    • 1998-10-28
    • Geraint OwenTimothy F. Myers
    • Geraint OwenTimothy F. Myers
    • G01R31/36H01M6/50H01M10/48H02J7/00G01N27/416H01M10/34
    • H01M6/5027G01R31/36H01M10/48H01M10/482H02J7/0013
    • A storage device allows the state of charge of a main battery to be determined by measuring the state of charge of a dummy battery. The storage device may provide power to an electronic appliance such as a portable computer. The main and dummy batteries each have a storage capacity and a self-discharge rate. The storage capacity of the dummy battery is less than the storage capacity of the main battery; for example, the storage capacity of the dummy battery may be only about 1% of that of the main battery. The main and dummy batteries are configured so that the self-discharge rates thereof are substantially equal. The storage device also includes discharge circuitry which is configured so that the dummy battery discharges at a rate faster than the main battery when a load is connected to and drawing current from the main battery.
    • 存储装置允许通过测量虚拟电池的充电状态来确定主电池的充电状态。 存储设备可以向诸如便携式计算机的电子设备提供电力。 主电池和虚拟电池各自具有存储容量和自放电率。 虚拟电池的存储容量小于主电池的存储容量; 例如,虚拟电池的存储容量可以仅为主电池的容量的约1%。 主电池和虚拟电池被配置成使其自放电率基本相等。 存储装置还包括放电电路,其被配置为使得当负载连接到主电池并从主电池吸取电流时,虚拟电池以比主电池快的速率放电。