Acceleration-based theft detection system for portable...

Details Acceleration-based theft detection system for portable... Acceleration-based theft detection system for portable...

2007-03-02

2009-06-16

Nguyen, Hung T. (Department: 2612)

Communications: electrical

Condition responsive indicating system

Specific condition

C340S407100, C340S425500, C340S426100, C340S426140, C340S539100, C340S539190, C340S541000

Reexamination Certificate

active

07548161

ABSTRACT:
A theft prevention system for protecting portable electronic devices is disclosed. An acceleration sensor detects the acceleration of a portable electronic device, and a controller analyzes this acceleration to determine whether a theft condition is present. If so, an alarm can be initiated. The theft prevention system can include a filter for attenuating irrelevant acceleration frequencies and isolating those representative of theft, and comparison hardware/software for determining whether the detected acceleration matches a known acceleration profile characteristic of theft. Various parameters of the theft prevention system can also be set by a user through mechanisms such as a graphical user interface.

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