Navigation Device and Method of Scrolling Map Data Displayed On a Navigation Device

• US 20090143980A1
• Filed: 08/17/2005
• Published: 06/04/2009
• Est. Priority Date: 08/17/2005
• Status: Abandoned Application

• Current Assignee: TomTom International BV (TomTom NV)
• Original Assignee: TomTom International BV (TomTom NV)
• Inventors: Halters, Ingrid, Serhiy, Tkachenko
• Application Number:
  US11/920,737
• Publication Number:
  US 20090143980A1
• Time in Patent Office: Days
• US Class Current: 701/209
• CPC Class Codes: G01C 21/3602 Input other than that of destination using image analysis, e.g. detection of road signs, lanes, buildings, real preceding vehicles using a camera
• CPC Class Codes: G01C 21/3667 Display of a road map G01C21/3614 takes precedence; guidance using 3D or perspective road maps G01C21/3635
• CPC Class Codes: G06F 1/1626 with a single-body enclosure integrating a flat display, e.g. Personal Digital Assistants [PDAs]
• CPC Class Codes: G06F 1/1686 the I/O peripheral being an integrated camera
• CPC Class Codes: G06F 2200/1637 Sensing arrangement for detection of housing movement or orientation, e.g. for controlling scrolling or cursor movement on the display of an handheld computer

Abstract

The present application relates a navigation device, including a processing unit and a display. The processing unit is arranged to display map data on the display. In at least one embodiment, the navigation device further includes a camera arranged to provide a camera feed to the processing unit. The processing unit in at least one embodiment is further arranged to: receive a camera feed from the camera, detect a movement of the navigation device based on the received camera feed, and to scroll the displayed map data in response to the detected movement.

Claims

1. Navigation device, comprising:

a display;

a processing unit to display map data on the display; and

a camera to provide a camera feed to the processing unit, the processing unit further being arranged to;

receive a camera feed from the camera,

detect a movement of the navigation device based on the received camera feed, and

scroll the displayed map data in response to the detected movement.

2. Navigation device according to claim 1, wherein the processing unit is arranged to detect the movement of the navigation device from the camera feed using pattern recognition techniques.

3. Navigation device according to claim 1, wherein the processing unit is arranged to detect a direction from the detected movement and to scroll the displayed map data in a direction opposite from the detected direction.

4. Navigation device according to claim 1, wherein the processing unit is arranged to detect a distance from the detected movement and to scroll the displayed map data a scroll distance corresponding to the detected distance.

5. Navigation device according to claim 4, wherein the scroll distance is adjusted based on a coefficient of sensitivity.

6. Navigation device according to claim 5, wherein the coefficient of sensitivity is adjustable.

7. Navigation device according to claim 5, wherein the coefficient of sensitivity further depends on the focus distance of the camera.

8. Navigation device according to claim 1, wherein the processing unit is arranged to detect a rotation from the detected movement and to scroll the displayed map data by rotating the displayed map data in a direction opposite to the direction of the detected movement.

9. Navigation device according to claim 1, wherein the processing unit is arranged to detect a movement in the direction of the optical axis of the camera and to scroll the displayed map data by performing a zoom operation corresponding to the detected movement.

10. Navigation device according to claim 1, wherein the navigation device further comprises memory devices to store map data.

11. Navigation device according to claim 1, further comprising:

a positioning device, arranged to provide the processing unit with information to determine a current position of the navigation device, the navigation device being arranged to be in a first mode, wherein the navigation device is arranged to display map data, or a second mode, wherein the navigation device is arranged to determine a current position using the positioning device, plan a route and guide the user through a planned route.

12. Navigation device according to claim 11, wherein the navigation device is arranged to switch from the first mode to the second mode, or vice versa, based on information from the positioning device.

13. Navigation device according to claim 12, wherein the information from the positioning device is one of:

a destination address, a velocity, an acceleration.

14. Navigation device according to claim 11, wherein the navigation device is arranged to switch to the second mode in case no information is provided by the positioning device.

15. Navigation device according to claim 11, wherein the navigation device is arranged to switch from the first mode to the second mode, or vice versa, based on input of a user.

16. Navigation device according to claim 1, comprising:

internal sensors devices to further increase the accuracy of the detected movement of the navigation device based on the received camera feed.

20. Navigation device according to claim 11, wherein the navigation device is arranged to switch from the first mode to the second mode, or vice versa, by pressing an appropriate button connected to the processing unit.

17. Method of scrolling map data displayed on a navigation device, the navigation device including a display and a camera, the method comprising:

displaying map data on the display;

receiving a camera feed from the camera;

detecting a movement of the navigation device based on the received camera feed; and

scrolling the displayed map data in response to the detected movement.

18. Computer program, when loaded on a computer arrangement, is arranged to perform the method of claim 17.

19. Data carrier, comprising a computer program according to claim 18.