Title:
ROUTE GUIDE SYSTEM FOR VEHICLE
Document Type and Number:
Japanese Patent JP3498542
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a route guide system for vehicle in which a recommended route can be calculated quickly.
SOLUTION: A vehicle side route guide unit 11 comprises a system control section 43 for calculating and comparing a vehicle side time Tm required for calculating a route on the vehicle side, and a center side time Tf which is the sum of a time required for transmitting a vehicle position data and a goal position data from the vehicle side to the external center side, a time required for calculating a route on the external center side, and a time required for returning a route calculation result data back to the vehicle side. Any one unit for calculating a route in a shorter time is selected, based on the comparison results.
Inventors:
Yuichi Nakamura
Honda Naoki
Honda Naoki
Application Number:
JP20477397A
Publication Date:
February 16, 2004
Filing Date:
July 30, 1997
Export Citation:
Assignee:
Nissan Motor Co., Ltd
International Classes:
G09B29/10; G01C21/00; G08G1/09; G08G1/0969; G08G1/137; (IPC1-7): G01C21/00; G08G1/09; G08G1/137; G09B29/10
Domestic Patent References:
| JP7190794A |
Attorney, Agent or Firm:
Hidekazu Miyoshi (7 outside)
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