Theft detection system and method

Details Theft detection system and method Theft detection system and method

2005-11-29

2005-11-29

Hofsass, Jeffery (Department: 2636)

Communications: electrical

Condition responsive indicating system

Specific condition

C340S571000, C340S568100, C340S689000, C340S566000

Reexamination Certificate

active

06970095

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.

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Product Brochure, “iMEMS Accelerometers with Digital Output”, Analog Devices, Norwood, MA (1999).

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