Vehicle-mounted navigation device

• US 20010001846A1
• Filed: 01/03/2001
• Published: 05/24/2001
• Est. Priority Date: 05/19/1999
• Status: Active Grant

• Current Assignee: Mitsubishi Denki Kabushiki Kaisha (Mitsubishi Electric Corporation)
• Original Assignee: Mitsubishi Denki Kabushiki Kaisha (Mitsubishi Electric Corporation)
• Inventors: Uchigaki, Yuichiro
• Granted Patent: US 6,389,358 B2
• Time in Patent Office: Days
• US Class Current: 701/201
• CPC Class Codes: G01C 21/3632 Guidance using simplified or iconic instructions, e.g. using arrows G01C21/365 takes precedence

Abstract

A vehicle-mounted navigation device comprises an image display means which performs guiding of a direction of travel only by display of an arrow when a vehicle is running on a guided route and which performs map display instead of said arrow display when said vehicle is off the guided route.

Claims

1. A vehicle-mounted navigation device comprising:

a memory means for storing map data and arrow data;

a position measuring means for measuring a present position of a vehicle;

a calculation means for calculating a guided route from the present position to a destination and for selecting either displaying said guided route on a map read out from said memory means or displaying an arrow indicating a direction of travel of the vehicle; and

an image display means for displaying the selected display contents.

2. A vehicle-mounted navigation device according to

claim 1

, wherein said image display means displays the arrow indicating the direction of travel of the vehicle under normal condition and performs map display when the vehicle is running off the guided route.

3. A vehicle-mounted navigation device according to

claim 1

, wherein said image display means displays the arrow indicating the direction of travel of the vehicle under normal condition and performs map display when setting the destination.

4. A vehicle-mounted navigation device according to

claim 1

, wherein said image display means displays the arrow indicating the direction of travel of the vehicle under normal condition and performs map display when the vehicle is positioned near the destination.

5. A vehicle-mounted navigation device according to

claim 1

, wherein said image display means displays the arrow indicating the direction of travel of the vehicle under normal condition and performs map display for a predetermined period of time in response to an input operation by a user.