Information receiving method, navigation apparatus and motorcar
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 4, 2000
Grant Date -
N/A
app pub date -
Apr 23, 1998
filing date -
Apr 24, 1997
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An information receiving method is one of receiving a district information transmitted at a predetermined frequency and then displaying a received district information, and includes a step of estimating a current location and then estimating whether a district information of an area to which the estimated current location pertains is contained in a received signal, and a step of performing, if it is estimated that the district information of the area to which the current location pertains is not contained in the received signal, a process for changing the receiving frequency.
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