Wireless tracking system and method with optical tag removal...

Details Wireless tracking system and method with optical tag removal... Wireless tracking system and method with optical tag removal...

2007-12-29

2008-10-28

Nguyen, Phung (Department: 2612)

Communications: electrical

Condition responsive indicating system

Specific condition

Reexamination Certificate

active

07443297

ABSTRACT:
A wireless tracking system and method with a tag removal detection feature is disclosed herein. The system and method utilize a tag attached to an asset which includes a processor, a motion sensor (such as an accelerometer), a transceiver, a tag removal sensor and a power source having a limited supply of power. The tag removal sensor is an optical sensor which is activated only when the motion sensor detects motion. In this manner, the tag conserves power since the tag is typically only in motion ten percent of the day. If the tag is removed from the asset, the optical sensor confirms the removal and an alert is activated by the system.

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