Information receiving method, navigation apparatus and motorcar

Details Information receiving method, navigation apparatus and motorcar Information receiving method, navigation apparatus and motorcar

1998-04-23

2000-07-04

Chin, Gary

Data processing: vehicles, navigation, and relative location

Navigation

701208, 340990, 340995, G01C 2100, G06F16500

Patent

active

060851465

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.

REFERENCES:
patent: 5152012 (1992-09-01), Schwob
patent: 5406490 (1995-04-01), Braegas
patent: 5864305 (1999-01-01), Rosenquist
patent: 5892463 (1999-04-01), Hikita et al.
patent: 5908464 (1999-06-01), Kishigami et al.
patent: 5933094 (1999-08-01), Goss et al.
patent: 5961569 (1999-10-01), Craport et al.

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