PDA systems, functional data, and methods for generating a route
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United States of America Patent
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Sep 7, 2004
Issued Date -
N/A
app pub date -
Oct 11, 2002
filing date -
Dec 21, 2001
priority date (Note) -
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status (Latency Note)
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Abstract
PDA devices, systems, functional data and methods are provided for an improved route generation. A PDA with route generation capabilities includes a processor communicating with a memory. The memory includes a current location of the PDA, one or more available locations, and a destination of the PDA. A display communicates with the processor and is capable of communicating at least a portion of a generated route for the PDA. Available locations are repetitively inspected and locations adjacent to a last selected location are inserted into a first data structure such that the first location of the first data structure is always a least cost location associated with all adjacent locations comprising the first data structure. The first location is then optionally inserted into a second data structure. The generated route includes the current location, one or more first locations, and the destination.
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