Vehicle navigation system

• US 20040083052A1
• Filed: 09/30/2003
• Published: 04/29/2004
• Est. Priority Date: 10/29/2002
• Status: Active Grant

• Current Assignee: Honda Giken Kogyo Kabushiki Kaisha (Honda Motor Company)
• Original Assignee: Honda Giken Kogyo Kabushiki Kaisha (Honda Motor Company)
• Inventors: Yuasa, Go
• Granted Patent: US 7,043,359 B2
• Time in Patent Office: Days
• US Class Current: 701/200
• CPC Class Codes: G01C 21/26 specially adapted for navigation in a road network

Abstract

A vehicle navigation system is composed of first and second recording devices, first and second execution modules, and an install module. The first and second recording devices respectively store therein first and second computer programs used for vehicle navigation. The first and second execution modules respectively execute the first and second computer programs. The install module transfers data stored in the second recording device, including the second computer program, to the first recording device. The install module is allowed to operate during operation of the second execution module, while the first execution module is prohibited from operating during operation of the second execution module. The second execution module executes the second computer program by using transferred data which are transferred from the second recording device to the first recording device.

Claims

1. A vehicle navigation system comprising:

first and second recording devices storing therein first and second computer programs, respectively, wherein said first and second computer programs are used for vehicle navigation;

a first execution module executing said first computer program;

a second execution module executing said second computer program;

an install module transferring data stored in said second recording device to said first recording device,

wherein said install module and said second execution module concurrently operate, and said first execution module is prohibited from operating during operation of said second execution module,

wherein said second execution module executes said second computer program by using transferred data of said data which are transferred from said second recording device to said first recording device.

2. The vehicle navigation system according to claim 1, wherein said data stored in said second recording device includes compressed data, and said install module decompresses said compressed data to make decompressed data and transfers said decompressed data to said first recording device.

3. The vehicle navigation system according to claim 2, wherein when said compressed data is necessary for vehicle navigation, said second execution module executes said second computer program by using said decompressed data when said decompressed data have been transferred to said first recording device, and terminates said second computer program when said decompressed data have not been transferred to said first recording device.

4. The vehicle navigation system according to claim 3, wherein said decompressed data includes a third computer program and said second executing module executes said third computer program.