US 7,525,432 B2
Methods, identification tags and computer program products for automated location and monitoring of mobile devices
Stephen S. Jackson, Chapel Hill, N.C. (US)
Assigned to RadarFind Corporation, Morrisville, N.C. (US)
Filed on Apr. 18, 2005, as Appl. No. 11/108,324.
Claims priority of provisional application 60/610066, filed on Sep. 15, 2004.
Claims priority of provisional application 60/610067, filed on Sep. 15, 2004.
Claims priority of provisional application 60/610068, filed on Sep. 15, 2004.
Prior Publication US 2006/0055537 A1, Mar. 16, 2006
Int. Cl. G08B 13/14 (2006.01)
U.S. Cl. 340—572.1  [340/10.2] 35 Claims
OG exemplary drawing
 
1. A method for providing location information associated with a mobile device, comprising:
receiving a request for presence information at an identification circuit associated with the mobile device, the request being received from a plurality of location circuits within a variable predetermined proximity of the identification circuit; and
broadcasting the requested presence information to the plurality of location circuits responsive to the request for presence information, without receiving acknowledgement of the requested presence information from the plurality of location circuits.