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公开(公告)号：US10134354B2
公开(公告)日：2018-11-20
申请号：US14320570
申请日：2014-06-30
发明人： Ali Noorbakhsh , David Keene , John Lattanzi , Ram Chilukuri
摘要： Detecting when the on-board power supply is powered on or off by an auto activity detection circuit by determining if the reference clock signal (TCLK) is toggling, and, if the reference clock signal is toggling, then charging a capacitor to a high voltage in the auto activity detection circuit based on the toggling reference clock signal, and outputting an on-board power supply activity signal based upon the high voltage by the auto activity detection circuit indicative of whether or not the on-board power supply is active.
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公开(公告)号：US20140313178A1
公开(公告)日：2014-10-23
申请号：US14320570
申请日：2014-06-30
发明人： Ali Noorbakhsh , David Keene , John Lattanzi , Ram Chilukuri
IPC分类号： G09G3/36
CPC分类号： G09G3/3696 , G09G3/2096 , G09G5/006 , G09G2310/0267 , G09G2310/0275 , G09G2330/022
摘要： Detecting when the on-board power supply is powered on or off by an auto activity detection circuit by determining if the reference clock signal (TCLK) is toggling, and, if the reference clock signal is toggling, then charging a capacitor to a high voltage in the auto activity detection circuit based on the toggling reference clock signal, and outputting an on-board power supply activity signal based upon the high voltage by the auto activity detection circuit indicative of whether or not the on-board power supply is active.
摘要翻译： 通过确定参考时钟信号（TCLK）是否切换，通过确定参考时钟信号（TCLK）是否切换来检测机载电源何时通过自动活动检测电路通电或关断，并且如果参考时钟信号正在切换，则将电容器充电至高电压 在自动活动检测电路中，基于切换参考时钟信号，并且通过自动活动检测电路基于高电压输出表示车载电源是否有效的车载电源活动信号。
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