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Patent Searching and Data


Title:
METHOD AND SYSTEM FOR SELECTING ROUTE
Document Type and Number:
Japanese Patent JP3386273
Kind Code:
B2
Abstract:

PURPOSE: To provide the route selecting system, which can remarkably shorten the time for searching the optimal route.
CONSTITUTION: In a route selecting data memory device 4, the data of road net and the route selecting data, which includes the recorded route number data corresponding to each road, are stored. A route selecting device 6 searches the optimal route near the departing point (real position) obtained by a position detecting device 2, and also searches the optimal route near the destination, which is inputted from a point input device 5. The route selecting device 6 compares the route number of a road passing in each search range with the reference of the route selecting data. As a result of comparison, in the case where each route having the same route number exists in both the search ranges, the route selecting device 6 selects a road having this route number as the route for connecting both the search ranges.


Inventors:
Takeshi Yagyu
Yoshiki Kamiyama
Application Number:
JP3047895A
Publication Date:
March 17, 2003
Filing Date:
February 20, 1995
Export Citation:
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Assignee:
Matsushita Electric Industrial Co., Ltd
International Classes:
G09B29/10; G01C21/00; G06F17/30; G08G1/0969; (IPC1-7): G01C21/00; G06F17/30; G08G1/0969; G09B29/10
Domestic Patent References:
JP23899A
JP6342498A
JP5341712A
Attorney, Agent or Firm:
Shiro Ogasawara