Communications: electrical – Condition responsive indicating system – Specific condition
Reexamination Certificate
2006-06-23
2010-02-09
Lieu, Julie (Department: 2612)
Communications: electrical
Condition responsive indicating system
Specific condition
C340S572400, C235S375000, C235S454000, C235S487000, C235S494000
Reexamination Certificate
active
07659820
ABSTRACT:
A system for tracking locations of portable data storage media. The system includes media with a wireless tag storing metadata pertaining to its stored data. The tag is adapted to respond to an interrogatory signal by wirelessly transmitting a signal comprising the metadata, e.g., is a high frequency radio frequency identification (RFID) tag powered inductively to transmit contents of its memory. The system includes a stationary and mobile locators that includes tag readers transmitting the interrogatory signals to the media and receiving the metadata signals from the wireless tags. Mobile ones of the locators include a communication module receiving location data (e.g., Global Positioning System (GPS) data) and sending wireless signals made up of the received location data and the received metadata signals. The system includes a media tracker that receives signals from the mobile locator and determines and stores locations of the media typically along with a time stamp.
REFERENCES:
patent: 2004/0119605 (2004-06-01), Schaper
patent: 2004/0148053 (2004-07-01), Graushar et al.
patent: 2005/0284405 (2005-12-01), Pomakoy-Poole et al.
patent: 2007/0095905 (2007-05-01), Kadaba
Hodge Leslie K.
Leonhardt Michael L.
Lynch William
Schnee Jonathan P.
Lembke Kent A.
Lieu Julie
Marsh Fischman & Breyfogle LLP
Sun Microsystems Inc.
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