Invention Grant
US09047907B2 Electronic device avoiding false detection of free fall event based on detected operating modes
有权
基于检测到的操作模式，电子设备避免错误检测自由落体事件
- Patent Title: Electronic device avoiding false detection of free fall event based on detected operating modes
- Patent Title (中): 基于检测到的操作模式，电子设备避免错误检测自由落体事件
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Application No.: US13167532Application Date: 2011-06-23
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Publication No.: US09047907B2Publication Date: 2015-06-02
- Inventor: Jonathan V. Nguyen , Toviah N. Hirschberg , Hien T. Chu
- Applicant: Jonathan V. Nguyen , Toviah N. Hirschberg , Hien T. Chu
- Applicant Address: US CA Irvine
- Assignee: Western Digital Technologies, Inc.
- Current Assignee: Western Digital Technologies, Inc.
- Current Assignee Address: US CA Irvine
- Main IPC: G01N19/02
- IPC: G01N19/02 ; G11B19/04 ; G01P15/00 ; G01P15/08 ; G06F11/30
Abstract:
An electronic device is disclosed comprising an acceleration sensor operable to generate an acceleration signal, and a free fall detector operable to detect a free fall event in response to the acceleration signal. A frequency response of the acceleration signal is measured, and the free fall detector is disabled when a magnitude of the frequency response within one of a plurality of frequency bands exceeds a threshold, wherein each frequency band corresponds to one of a plurality of normal operating modes.
Public/Granted literature
- US20120324980A1 ELECTRONIC DEVICE AVOIDING FALSE DETECTION OF FREE FALL EVENT BASED ON DETECTED OPERATING MODES Public/Granted day:2012-12-27
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