Gemstone inventory and detection system

Details Gemstone inventory and detection system Gemstone inventory and detection system

2005-02-01

2005-02-01

La, Anh V. (Department: 2636)

Communications: electrical

Condition responsive indicating system

Specific condition

C340S570000, C340S572100, C340S005920

Reexamination Certificate

active

06850160

ABSTRACT:
A system for controlling gemstones employs RFID chips adhered to each stone. A display or storage area includes a radiator for generating activating emission for the RFID chips and an antenna for picking up the resultant RF signals including serial number. Both the radiator and antenna are connected to a computer supporting a database with an inventory of the chips and anti-collision circuitry for identifying the chips.

REFERENCES:
patent: 6249227 (2001-06-01), Brady et al.
patent: 6259369 (2001-07-01), Monico
patent: 6348864 (2002-02-01), Lin et al.
patent: 6741178 (2004-05-01), Tuttle

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