06889135 is referenced by 139 patents and cites 81 patents.

A security and tracking apparatus includes at least a first signaling unit and a second signaling unit in communicating proximity with the first signaling unit, each signaling unit having a receiver for identifying the location of the signaling unit; and, a transmitter for transmitting the location of the signaling unit when the first and second signaling units are separated by more than a preselected distance. A method to locate a person, animal, or object, includes providing in contact with or at least in close proximity to the person, the animal, or the object, at least a first signaling unit and a second signaling unit, the second signaling unit in communicating proximity with said first signaling unit, each signaling unit having a receiver for identifying the location of the signaling unit and a transmitter for transmitting the location of the signaling unit when the first and second signaling units are separated more than a preselected distance; and activating the signaling units to transmit the location of the signaling units.

Title
Security and tracking system
Application Number
10/348481
Publication Number
6889135 (B2)
Application Date
January 20, 2003
Publication Date
May 3, 2005
Inventor
Thomas E Cornelius
Westfield
IN, US
Benedict S Curatolo
Valley View
OH, US
Agent
Renner Kenner Greive Bobak Taylor & Weber
Assignee
C2 Global Technologies
OH, US
IPC
G01C 021/00
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