| US 7,498,943 B2 | ||
| Method and system for locating a dependent | ||
| Ildiko Medve, 303 Taber Ave., Providence, R.I. 02906 (US); and George Sai-Halasz, 303 Taber Ave., Providence, R.I. 02906 (US) | ||
| Filed on Oct. 27, 2006, as Appl. No. 11/588,729. | ||
| Application 11/588729 is a division of application No. 11/032450, filed on Jan. 10, 2005, granted, now 7,151,445. | ||
| Prior Publication US 2007/0040671 A1, Feb. 22, 2007 | ||
| Int. Cl. G08B 13/14 (2006.01) | ||
| U.S. Cl. 340—572.1 [340/573.1; 340/539.1; 340/539.13; 340/539.15; 340/825.49; 340/825.69] | 17 Claims |
| 1. A system for keeping a first mobile RFID tag within a zone, said system comprising:
a second mobile RFID tag, wherein said zone pertains to said second mobile RFID tag, whereby said zone has an extent about
said second mobile RFID tag, and said zone is mobile;
a plurality of RFID reader devices capable of communicating with said first mobile RFID tag and said second mobile RFID tag;
a processor having a memory, wherein a pattern of moving out of said zone by said first mobile RFID tag is stored in said
memory, wherein said processor is configured to:
directing communications between said plurality of RFID reader devices and said first mobile RFID tag and said second mobile
RFID tag;
tracking said first mobile RFID tag and tracking said second mobile RFID tag by using said communications between said plurality
of RFID reader devices and said first mobile RFID tag and said second mobile RFID tag; and
recognizing in said trackings said pattern of moving out of said zone by said first mobile RFID tag.
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