System and method for monitoring objects and people using a...

Details System and method for monitoring objects and people using a... System and method for monitoring objects and people using a...

2007-08-09

2011-11-29

Nguyen, Tai T (Department: 2612)

Communications: electrical

Condition responsive indicating system

With particular coupling link

C340S539260, C340S524000, C340S568100, C340S573100, C340S573400, C455S041200, C455S456100

Reexamination Certificate

active

08068022

ABSTRACT:
A system for monitoring the location of persons or objects using a wireless device, comprising at least one tag unit capable of transmitting data signals of a first type identifying said at least one tag; a wireless device capable of receiving data signals of a second type; and a converter unit, that receives the data signals of the first type from said at least one tag unit, converts the data signals of the first type to data signals of a second type, and transmits said data signals of a second type to the wireless device.

REFERENCES:
patent: 5021794 (1991-06-01), Lawrence
patent: 5485163 (1996-01-01), Singer et al.
patent: 5870029 (1999-02-01), Otto et al.
patent: 6828908 (2004-12-01), Clark
patent: 7015817 (2006-03-01), Copley et al.

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