Invention Grant
US09018585B2 Method and apparatus to determine user presence 有权
确定用户存在的方法和装置

Method and apparatus to determine user presence
Abstract:
According to some embodiments, a method and apparatus are provided to receive a first signal from a sensor, determine that a user is present based on the received first signal, receive a second signal from the sensor, and determine if the user is still present based on the received second signal.
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