Positional information providing system and apparatus
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jan 23, 2001
Grant Date -
N/A
app pub date -
Mar 18, 1999
filing date -
Sep 20, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
When information regarding position of a facility, such as a parking lot, is requested from a terminal (22), an information center (10) supplies position information to the terminal (22) as a relative position using a landmark, such as a neighboring road. The terminal (22) computes a shift from a position of a landmark in a local map database (24) and a position of a received landmark in a map matching processor (34), and corrects the facility position. If the landmark has not been stored in the map database (24) at the terminal (22), relative data based on another road is resent.
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