Portable loss prevention system

Details Portable loss prevention system Portable loss prevention system

2005-08-17

2010-02-16

Maung, Nay A (Department: 2618)

Telecommunications

Transmitter and receiver at separate stations

Short range rf communication

C455S419000, C455S420000, C455S404100, C455S404200, C455S410000, C455S421000, C340S571000, C340S540000

Reexamination Certificate

active

07664463

ABSTRACT:
A loss prevention system containing a Bluetooth transceiver and a motion detection system monitors the presence of a portable electronic device such as a cell phone in the vicinity and alerts when that device leaves its vicinity. The system transceiver is activated upon detecting a movement and turned off after a check is done in order to conserve battery.

REFERENCES:
patent: 5796338 (1998-08-01), Mardirossian
patent: 6154665 (2000-11-01), Briffett et al.
patent: 6836212 (2004-12-01), Sawinski
patent: 7145454 (2006-12-01), Linjama et al.
patent: 7254367 (2007-08-01), Helden et al.
patent: 7272404 (2007-09-01), Overy et al.
patent: 7289036 (2007-10-01), Salzhauer et al.

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