Systems for monitoring proximity to prevent loss or to...

Details Systems for monitoring proximity to prevent loss or to... Systems for monitoring proximity to prevent loss or to...

2011-07-05

2011-07-05

Swarthout, Brent (Department: 2612)

Communications: electrical

Condition responsive indicating system

With particular coupling link

C340S539110, C340S573100, C455S041200, C455S426100, C455S550100

Reexamination Certificate

active

07973657

ABSTRACT:
A portable proximity alarm apparatus comprising a Bluetooth system and an alarm monitors the presence of a portable electronic device equipped with a compatible transceiver within range and alarms when that device leaves its range. On detecting disconnection, the proximity alarm automatically tries to reconnect. A portable proximity alarm apparatus with an optional voice mode allows to additionally use the unit as a headset when an earpiece is folded. A portable proximity alarm apparatus with relay functionality allows using a Bluetooth headset and proximity alarm functions unobtrusively on most mobile phones.

REFERENCES:
patent: 6885848 (2005-04-01), Lee
patent: 7565132 (2009-07-01), Ben Ayed
patent: 2002/0080036 (2002-06-01), Rabanne et al.
patent: 2003/0137414 (2003-07-01), Chen
patent: 2005/0280546 (2005-12-01), Ganley et al.
patent: 2007/0224980 (2007-09-01), Wakefield

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