Position based personal digital assistant

Details Position based personal digital assistant Position based personal digital assistant

1996-10-24

1999-08-17

Zanelli, Michael J.

Data processing: vehicles, navigation, and relative location

Navigation

Employing position determining equipment

701213, G01C 2100, G06F16500

Patent

active

059387211

ABSTRACT:
A task description is stored in a database accessible by a mobile computer system. The mobile computer system receives positioning information corresponding to its geographic location and indexes the database based on the positioning information when the information indicates that the mobile computer system is in a geographic location that facilitates completion of a task associated with the task description. The database may be resident in the mobile computer system or accessible in other ways, for example, via the Internet. The task description preferably includes a geocode which corresponds to the geographic location at which completion of the task may be facilitated. The task description may also include textual, voice or other message which can be displayed and/or played back to a user. The positioning information may be obtained from a GPS satellite, a GLONASS satellite or a pseudolite. The mobile computer system may be a portable unit, such as a PDA, or integrated within a vehicle.

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