06559620 is referenced by 165 patents.

A method and a system for remotely monitoring a person includes a portable unit including a self-recharging battery, the portable unit being adapted to monitor a biological parameter and a physical location of the person; a global positioning satellite transmitting global positioning system (GPS) data to the portable unit; and a central unit disposed remotely from the portable unit, the central unit being in communication with the portable unit via a ground station.

Title
System and method for remote monitoring utilizing a rechargeable battery
Application Number
9/813477
Publication Number
6559620 (B2)
Application Date
March 21, 2001
Publication Date
May 6, 2003
Inventor
Dexing Pang
Smithtown
NY, US
Peter Y Zhou
Smithtown
NY, US
Agent
Stroock & Stroock & Lavan
US
Assignee
Digital Angel Corporation
MN, US
IPC
H01M 10/46
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