Navigation system
First Claim
1. A navigation system for determining the current location of a moving object in which the navigation system is mounted, reading data of a map incorporating the determined current location and displaying the current location of the moving object together with the map on a screen, said navigation system comprising:
- operational schedule data storage means for storing operational schedule data of public transportation means, other than said moving object, operating along at least one of railroad, road and air routes contained in said map data; and
display means for reading said operational schedule data from said operational schedule data storage means and displaying said operational schedule data on the screen.
1 Assignment
0 Petitions
Accused Products
Abstract
A navigation system includes a CD-ROM for storing operational schedule data of transportation means operating along railroad, road and air routes contained in a map to be displayed on a screen of the system, and a display for reading the operational schedule data from the CD-ROM and displaying the read operational schedule data on the screen. By the addition of a few elements to a conventional navigation system, a navigation system with new functions and improved cost performance is obtained.
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Citations
6 Claims
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1. A navigation system for determining the current location of a moving object in which the navigation system is mounted, reading data of a map incorporating the determined current location and displaying the current location of the moving object together with the map on a screen, said navigation system comprising:
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operational schedule data storage means for storing operational schedule data of public transportation means, other than said moving object, operating along at least one of railroad, road and air routes contained in said map data; and display means for reading said operational schedule data from said operational schedule data storage means and displaying said operational schedule data on the screen. - View Dependent Claims (2, 3, 4)
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5. A navigation system for determining the current location of a vehicle having the navigation system, reading data of a map incorporating the determined current location and displaying the current location of the vehicle together with the map on a screen, said navigation system further comprising:
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operational schedule data storage means for storing operational schedule data of at least one public transportation means other than said vehicle, operating along a route of said at least one public transportation means contained in said map data; and means for reading said operational schedule data from said operational schedule data storage means and displaying the current location on said route of said at least one public transportation means on the screen based on said operational schedule data. - View Dependent Claims (6)
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Specification