Abstract: A theft detection system includes an accelerometer attachable to an object, the accelerometer providing an acceleration signal in response to movement of the object; an alarm mechanism for providing a signal in response to movement of the object; and for preventing false alarms, a filter programmed to determine the frequency of the acceleration signal and to provide an output to activate the alarm mechanism only when the frequency of the acceleration signal meets a predetermined criteria.
Type:
Grant
Filed:
May 17, 2000
Date of Patent:
November 29, 2005
Assignee:
Caveo Technology, LLC
Inventors:
W. David Lee, Martin Wells, Christopher Verplaetse, Christopher Turner
Abstract: A motion-based input system including a motion sensor coupled to a device. The motion sensor provides a motion signal corresponding to the movement of the device. The system further includes a processor responsive to the motion signal and configured to distinguish between a tap command and a position command and provides, in response to a tap command, one or more actions, and in response to a position command, one or more different actions to control and operate the device.
Type:
Grant
Filed:
April 25, 2002
Date of Patent:
March 1, 2005
Assignee:
Caveo Technology LLC.
Inventors:
Christopher Verplaetse, W. David Lee, Thomas P. Evans, Jerry Nicholas Laneman