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    • 1. 发明公开
    • Battery use system for portable electric equipment
    • Gebrauchssystemfüreine Batterie eines tragbaren elektrischenGeräts。
    • EP0657982A1
    • 1995-06-14
    • EP94118322.0
    • 1994-11-21
    • NEC CORPORATION
    • Tatsumi, Satoshi
    • H02J7/00
    • H02J7/0024H02J9/061Y10S320/10Y10T307/527
    • A battery use system for a battery-driven portable electronic equipment includes a first battery (1) chargeable and serving as a direct power supply source, a second battery (2) parallelly connected to the first battery through a switch (3), a voltage detection circuit (4) for detecting an output voltage from the first battery, a consumption current detection circuit (5) for detecting the state of the consumption current of the portable electronic equipment, and a switch control circuit (6) for controlling open and close of the switch in accordance with an output from the voltage detection circuit and an output from the consumption current detection circuit. The switch is closed to charge the first battery by the second battery when the output voltage from the first battery becomes smaller than a predetermined value, and at the same time, the consumption current is sufficiently small.
    • 用于电池驱动的便携式电子设备的电池使用系统包括可充电并用作直接电源的第一电池(1),通过开关(3)并联连接到第一电池的第二电池(2),电压 用于检测来自第一电池的输出电压的检测电路(4),用于检测便携式电子设备的消耗电流的状态的消耗电流检测电路(5),以及用于控制打开和关闭的开关控制电路(6) 根据来自电压检测电路的输出和来自消耗电流检测电路的输出。 当第一电池的输出电压变得小于预定值时,开关闭合以由第二电池对第一电池充电,同时消耗电流足够小。
    • 3. 发明公开
    • Power management system
    • Leistungssteuerungssystem
    • EP1215794A2
    • 2002-06-19
    • EP01125820.9
    • 1996-09-27
    • ALARIS Medical Systems, Inc.
    • Layman, Douglas CSmith, Oliver J
    • H02J7/00
    • A61M5/142A61M2205/16A61M2205/8206G01R31/3648H02J7/0047H02J7/0073H02J7/1446H02J9/061H02J2007/0049Y10S320/10Y10T307/615Y10T307/62Y10T307/625Y10T307/724
    • A power management system automatically manages the power to operate a biomedical device, such as an infusion pump containing an internal battery. When external power is available, the management system operates the biomedical device from the external power and controls a recharger to maintain the battery at full charge. The power management system automatically calculates battery charge status and use and provides a run time display of the calculated amount of time that the battery can operate the biomedical device under current power requirements of the biomedical device. The power management system automatically updates the calculated charge status of the battery as well as the calculated capacity of the battery based on environmental factors and battery characteristics. The power management system automatically and periodically performs a deep discharge/recharge cycle to refresh the battery.
    • 电源管理系统自动管理操作生物医学装置的功率,例如含有内部电池的输液泵。 当外部电源可用时,管理系统从外部电源操作生物医学设备,并控制充电器以保持电池充满电。 电源管理系统自动计算电池电量状态并使用并提供计算出的电量在生物医学装置的当前功率要求下可以操作生物医学装置的时间的运行时间显示。 电源管理系统根据环境因素和电池特性自动更新电池的计算电量状态以及电池的计算容量。 电源管理系统自动周期性地执行深度放电/再充电周期来刷新电池。
    • 5. 发明公开
    • Adapter for external battery and battery system
    • 外部电池和电池系统适配器
    • EP0469533A3
    • 1992-07-29
    • EP91112762.9
    • 1991-07-30
    • SANYO ELECTRIC CO., LIMITED.
    • Sakamoto, Kenji
    • G06F1/26
    • G06F1/263Y10S320/10Y10S320/11Y10T307/625
    • 5 n7 An adapter for selectively connecting an external battery which is used as a power source of a portable notebook type computer to the computer or a charger, and an external battery system for controlling the connection between the adapter, the computer and the charger. The external battery is connectable to the adapter, and the adapter is connected to either the charger or the computer. A diode for selectively regulating either the direction for charging the external battery or the direction for introducing the power from the external battery is provided within the adapter. The adapter, the charger and the computer are selectively connected with each other by a common cable. There are three typical connection modes. In the mode A, the charger supplies a power to the computer. If the computer is being operated, the charger directly supplies a power of a constant voltage to the group of devices in the computer. If the computer is in an inoperative state, the charger supplies a power of a constant current for charging the internal battery. In the mode B, the charger charges the external battery through the adapter and outputs a power of a constant current. In the mode C, the power from the external battery is supplied to the computer through the adapter. The external battery is connected to the group of devices in parallel with the internal battery. Both batteries are operated in cooperation with each other. After the external battery is connected to the computer, the computer keeps on operating even if the internal battery is removed. Thus, it is unnecessary to back up the data in the computer.