发明名称 BATTERY OPERATED PORTABLE ELECTRONIC DEVICE HAVING DUAL BATTERIES
摘要 A battery-operated portable electronic device has a primary battery to provide energy to low current circuitry of the portable device, and a supplemental battery to provide intermittent bursts of energy to other components of the portable device. A charging device charges the supplemental battery from the primary battery. An electronic device employing the battery system may have a battery compartment for the primary battery, which can be an AAA, AA, C, or D size battery.
申请公布号 US2008179957(A1) 申请公布日期 2008.07.31
申请号 US20070668632 申请日期 2007.01.30
申请人 PERCEPTION DIGITAL LIMITED 发明人 TSUI CHI-YING;FUNG FUK SHEUNG
分类号 H02J9/00 主分类号 H02J9/00
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