Vehicle navigation system adapted to improved system upgrade procedure

• US 20040083051A1
• 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: Ohno, Tsuneo, Yuasa, Go, Kameoka, Yuuji
• Granted Patent: US 7,043,358 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 module, and an install module. The first and second recording devices respectively stores therein first and second computer programs used for vehicle navigation. The first and second execution module respectively executes 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.

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,

wherein said first execution module is prohibited from operating during operation of said second execution module.

2. The vehicle navigation system according to claim 1, wherein a read access time of said first recording device is shorter than that of said second recording device.

3. The vehicle navigation system according to claim 2, wherein said first recording device includes a hard disk drive, and said second recording device includes an optical disk drive.

4. The vehicle navigation system according to claim 3, wherein said optical disk drive is a DVD-ROM drive.

5. The vehicle navigation system according to claim 1, wherein said install module transfers said data in units of data blocks, each having a predetermined data size.

6. The vehicle navigation system according to claim 5, further comprising a display management module adapted to display a data size of data to be transferred to said first recording device on a display device.

7. The vehicle navigation system according to claim 5, further comprising a display management module adapted to display a necessary duration for completing transfer of a remainder of said data to said first recording device on a display device.

8. A method for upgrading a vehicle navigation system including an optical disk drive and a hard disk drive, said method comprising:

determining whether an optical disk storing an updated navigation program is mounted on said optical disk drive;

executing an original navigation program stored in said hard disk drive when said optical disk is not mounted;

executing said update navigation program stored in said optical disk drive in response to said optical disk being mounted; and

updating said navigation program through installing said updated navigation program into said hard disk drive during execution of said update navigation program.