Title:
CAR NAVIGATION SYSTEM AND METHOD FOR BYPASS ROUTE
Document Type and Number:
Japanese Patent JPH1164031
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a car navigation system, wherein a bypass route is quickly set and displayed relating to inter-car communication. SOLUTION: A reception means P7 for receiving an information signal transmitted from other cars P8 and P11, a guiding route congestion detecting means P9 for detecting whether a congestion exists on a guiding route based on the information signal received from the other car P8 on the route guiding road, a bypass route detecting means P10 for detecting a bypass route which detours a congestion point based on a road map stored in a storage means P3, when the presence of congestion on the guiding route is detected, a bypass route congestion detecting means P12 for detecting whether a congestion is presents on the bypass route based on the information signal received from the other car P11 on the bypass route, are provided. A control means P6 makes a display means P5 for displaying the bypass route, when no congestion is detected on the bypass route.
Inventors:
OMURA HIROSHI
HOSODA KOJI
HOSODA KOJI
Application Number:
JP24216297A
Publication Date:
March 05, 1999
Filing Date:
August 21, 1997
Export Citation:
Assignee:
MAZDA MOTOR
International Classes:
G09B29/10; G01C21/00; G08G1/09; G08G1/0969; (IPC1-7): G01C21/00; G08G1/09; G08G1/0969; G09B29/10
Attorney, Agent or Firm:
Yoshiaki Nagata