Patent ID: 7218226
Filing Date: 2007-05-15
Classification: G08B

Abstract:
1. A theft prevention system for protecting a portable electronic device, comprising: an acceleration sensor, an audio output device, and a controller operatively connected with the acceleration sensor and the audio output device, the acceleration sensor, the audio output, and the controller each being proximate to the portable electronic device, the theft prevention system being configured to: display a graphical user interface for a user of the portable electronic device to initiate the theft prevention system or to set one or more parameters to be used by the theft prevention system in detecting a theft condition; sense an acceleration of the portable electronic device by the acceleration sensor, the acceleration sensor producing an acceleration signal; examine characteristics of the acceleration signal to detect whether a theft condition is present; and initiate, by the controller, the production of an alarm signal using the audio output device when it is detected that a theft condition is present; wherein the graphical user interface is configured to: