Security device

Details Security device Security device

2006-06-06

2006-06-06

Nguyen, Phung T. (Department: 2632)

Communications: electrical

Land vehicle alarms or indicators

Of burglary or unauthorized use

C340S438000, C367S093000

Reexamination Certificate

active

07057497

ABSTRACT:
A security device includes an impact sensing unit for sensing an impact, a sound pressure sensing unit for sensing a sound pressure, an abnormal degree determination unit for determining an abnormal degree based on a level of an impact sensing signal sensed by the impact sensing unit and a level of a sound pressure sensing signal sensed by the sound pressure sensing unit, and an alerting process unit for performing a predetermined alerting process based on a determination result of the abnormal degree by the abnormal degree determination unit.

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patent: 5680096 (1997-10-01), Grasmann
patent: 5990786 (1999-11-01), Issa et al.
patent: 6028509 (2000-02-01), Rice
patent: A 2000-6763 (2000-01-01), None
patent: A-2000-57444 (2000-02-01), None
patent: A 2000-185629 (2000-07-01), None

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