Navigation apparatus using radio communication device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Nov 11, 2003
Issued Date -
N/A
app pub date -
Mar 23, 2001
filing date -
Jul 26, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
When a radio communication device inputs a target place, it receives information of a radio control apparatus at the target place and those on the route from a database or a radio control apparatus. Upon reception of identification information of the radio control apparatus, the radio communication device compares it with the information of the radio control apparatus, and notifies the comparison result, thereby confirming its current position.
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