Map information system for moving body

• US 6,675,092 B1
• Filed: 06/30/2000
• Issued: 01/06/2004
• Est. Priority Date: 06/30/1999
• Status: Expired due to Fees

• Current Assignee: Honda Giken Kogyo Kabushiki Kaisha (Honda Motor Company)
• Original Assignee: Honda Giken Kogyo Kabushiki Kaisha (Honda Motor Company)
• Inventors: Morita, Hiroyuki, Katayama, Mutsumi
• Primary Examiner(s): Razavi, Michael
• Assistant Examiner(s): YANG, RYAN R
• Application Number:
  US09/608,220
• Time in Patent Office: 1,285 Days
• Field of Search: 701/212, 701/209, 345/441, 345/660, 345/667, 345/668, 345/661, 340/990, 340/995.1, 707/208
• US Class Current: 701/208
• CPC Class Codes: G01C 21/3889 Transmission of selected map data, e.g. depending on route
• CPC Class Codes: G01C 21/3896 Transmission of map data from central databases
• CPC Class Codes: G09B 29/106 using electronic means

Abstract

To provide a map information display system for a moving body that can extract and display map information as required without updating set way points or routes. A limited region map information generating device for extracting map information for only a limited region based on a route being traveled and on a scheduled route, and for generating limited region map information includes a route generating device for generating a moving body route based on the route point coordinate information and road information, an extracting device for setting map information of a strip-shaped region extending along the moving body route as the limited region map information, and a strip-shaped region adjusting device for adjusting a size of the strip-shaped region so as to include the moving body route when it is determined that the information amount of the limited region map information is larger than a specified storage capacity but less than a storage capacity of the storage device.

Claims

1. A map information display system for a moving body, comprising:

coordinate information generating means for generating route point coordinate information representing points on a route being traveled by the moving body and on a scheduled route;

limited region map information generating means for extracting map information for only a limited region based on the route point coordinate information from map information stored in a storage medium and including road information, and for generating limited region map information, said limited region map information generating means including;

route generating means for generating a moving body route based on the route point coordinate information and the road information;

extracting means for setting map information of a strip-shaped region extending along the moving body route as the limited region map information; and

strip-shaped region adjusting means for adjusting a size of the strip-shaped region so as to include the moving body route when it is determined that the information amount of the limited region map information is larger than a specified storage capacity but less than a storage capacity of the storage means;

storage means for storing the limited region map information; and

display means for displaying the stored limited region map information;

wherein said extracting means includes shape selection means for selecting a shape of the search region.

2. A map information display system for a moving body, comprising:

coordinate information generating means for generating route point coordinate information representing points on a route being traveled by the moving body and on a scheduled route;

limited region map information generating means for extracting map information for only a limited region based on the route point coordinate information from map information stored in a storage medium and including road information, and for generating limited region map information, said limited region map information generating means including;

route generating means for generating a moving body route based on the route point coordinate information and the road information;

extracting means for setting map information of a strip-shaped region extending along the moving body route as the limited region map information; and

strip-shaped region adjusting means for adjusting a size of the strip-shaped region so as to include the moving body route when it is determined that the information amount of the limited region map information is larger than a specified storage capacity but less than a storage capacity of the storage means;

storage means for storing the limited region map information;

display means for displaying the stored limited region map information; and

current position coordinate information detection means for detecting current position coordinate information of the moving body, wherein said extracting means adds the current position coordinate information to the limited region map information.

3. Limited region map information generating means for a map information display system for a moving body, said limited region map information generating means for extracting map information for only a limited region based on route point coordinate information from map information stored in a storage medium and including road information, and for generating limited region map information, said limited region map information generating means comprising:

route generating means for generating a moving body route based on the route point coordinate information and the road information;

extracting means for setting map information of a strip-shaped region extending along the moving body route as the limited region map information; and

strip-shaped region adjusting means for adjusting a size of the strip-shaped region so as to include the moving body route when it is determined that the information amount of the limited region map information is larger than a specified storage capacity but less than a storage capacity of the storage means;

wherein said extracting means includes shape selection means for selecting a shape of the search region.