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    • 1. 发明申请
    • PORTABLE ELECTRONIC DEVICE AND METHOD
    • 便携式电子设备及方法
    • WO9912245A3
    • 1999-05-27
    • PCT/EP9805719
    • 1998-09-03
    • MOTOROLA SEMICONDUCTEURSARNAUD THIERRYKHLAT NADIM
    • ARNAUD THIERRYKHLAT NADIM
    • H02J7/00H02J7/34H02J9/06H04B1/38H02J9/00
    • H02J7/0013H02J7/0063H04B1/3883Y10T307/527
    • A portable electronic device such as a mobile telephone is powered by a battery and is arranged to operate in an off-mode, a standby mode and an on-mode of operation. Primary electronic circuitry, operable only during the on-mode, provides the main features of the device. Secondary electronic circuitry (70) is operable during the off-mode, and standby circuitry (60) is operable during the standby mode. A power supply circuit is arranged for coupling to the battery (5) in order to provide power to the electronic device during the on-mode. A secondary power source (75) is arranged to be charged by the power supply circuit during the on-mode and further arranged for providing power to the second electronic circuitry during the off-mode. The secondary power source is further arranged for providing power to the standby circuitry during the standby mode, such that the power supply circuit does not operate during the standby mode.
    • 诸如移动电话的便携式电子设备由电池供电,并且被布置成在关闭模式,待机模式和工作模式下操作。 主要电子电路仅在开模时才可操作,提供了该设备的主要特征。 次级电子电路(70)在关闭模式期间是可操作的,并且备用电路(60)在待机模式期间是可操作的。 电源电路布置成耦合到电池(5),以便在接通模式期间向电子设备供电。 辅助电源(75)被布置成在导通模式期间由电源电路充电,并且还被布置成在关闭模式期间向第二电子电路提供电力。 次级电源还被布置为在待机模式期间向备用电路提供电力,使得电源电路在待机模式期间不工作。