发明名称 Battery level indicator supplying data from a memory to a display in a power-off state
摘要 A battery level indicator for use with an electronic apparatus so arranged as to display, on an indicator, a real time voltage level detected by a voltage detector, when a battery is applying power to the electronic apparatus, and to display on the indicator the latest voltage read from a memory when the battery is not applying power to the electronic apparatus, whereby the indicator indicates how much power the battery will be able to supply to such electronic apparatus.
申请公布号 US4800336(A) 申请公布日期 1989.01.24
申请号 US19870050399 申请日期 1987.05.18
申请人 SONY CORPORATION 发明人 MIKAMI, TSUTOMU;KOJIMA, MASAAKI
分类号 G01R31/36 主分类号 G01R31/36
代理机构 代理人
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