Hand-held GPS-mapping device
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United States of America Patent
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-
Nov 16, 1999
Issued Date -
N/A
app pub date -
Jan 25, 1999
filing date -
Nov 19, 1996
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A hand-held navigation, mapping and positioning device contains a GPS receiver, a database capable of storing vector or bit mapped graphics, a viewing port, an embedded processor, a simplified user interface, a data compression algorithm, and other supporting electronics, The viewport is configured such that the data presented in the viewport if clearly visible in any ambient light condition. The database stores compressed image data which might include topographical map data, user annotations, building plans, or any other image. The system includes an interface to a personal computer which may be used to annotate or edit graphic information externally to the device for later upload. In addition, the device contains a simple menu-driven user interface which allows panning and zooming the image data, marking locations of interest, and other such functions. The device may be operated from an internal rechargeable battery, or powered externally.
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