Invention Grant
- Patent Title: Systems and methods for battery status indication
- Patent Title (中): 电池状态指示的系统和方法
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Application No.: US13276706Application Date: 2011-10-19
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Publication No.: US08330608B2Publication Date: 2012-12-11
- Inventor: Sterling Du , Liusheng Liu , Oleksandr Kokorin
- Applicant: Sterling Du , Liusheng Liu , Oleksandr Kokorin
- Applicant Address: US CA Santa Clara
- Assignee: O2Micro, Inc.
- Current Assignee: O2Micro, Inc.
- Current Assignee Address: US CA Santa Clara
- Main IPC: G08B21/00
- IPC: G08B21/00
Abstract:
A method and apparatus are provided to indicate battery capacity status. Different blinking frequencies of an LED correspond to different battery states of charge. Furthermore, the present invention provides a smooth visual brightness change of the LED by providing the appropriate LED current according to human eye characteristics.
Public/Granted literature
- US20120038483A1 SYSTEMS AND METHODS FOR BATTERY STATUS INDICATION Public/Granted day:2012-02-16
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