Comfort Zone includes a location-based mapping service, or LBS . This term refers to a wide range of services that provide information about a person's (or object's) location. If you've ever used a GPS device in your car for turn-by-turn driving directions or tracked a package online, you've used LBS.
Examples of how LBS works:
- A person with Alzheimer's wears or carries a locator device (such as a pager or wrist-worn device) or mounts one in his or her car.
- As the person travels around town or the country, the device receives signals from satellites or nearby cell towers. The device can then approximate the person's location by measuring the distance between the device and the cell towers or satellite signals.
- The device communicates with the Comfort Zone Web application.
- Family members access information about the person's location by using the Internet or calling the monitoring center.
Families can also decide on the level of monitoring needed, such as verifying location from a computer; receiving alerts when the person has traveled in or out of a zone; or just emergency assistance if there is a wandering incident.
http://www.alz.org/comfortzone/
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