Calibration of the battery device for a portable computer system

作者: Kua-Chi Yeh , Li-Hui Chang

DOI:

关键词: CalibrationParallel portPortable computerComputer hardwareBattery (vacuum tube)Capacity valueInterface (computing)Alternating currentControl signalEngineering

摘要: A capacity calibration apparatus for the battery of a portable computer system is provided. The includes main board circuit, processor unit, display power-supply and parallel port interface. standard interface control circuit. connected to system. Via interface, outputs at least one signal apparatus. selectively alternating current supply circuit in order proceed charge/discharge procedure predetermined type such that value initialized.