TERMINAL DEVICE, INFORMATION PROCESSING METHOD, AND PROGRAM

• US 20130109414A1
• Filed: 08/21/2012
• Published: 05/02/2013
• Est. Priority Date: 10/26/2011
• Status: Active Grant

• Current Assignee: Sony Corporation (Sony Group Corp.)
• Original Assignee: Sony Ericsson Mobile Communications (Sony Group Corp.)
• Inventors: MIYAZAKI, Ryoji
• Granted Patent: US 9,052,205 B2
• Time in Patent Office: Days
• US Class Current: 455/457
• CPC Class Codes: G01C 21/20 Instruments for performing navigational calculations G01C21/24, G01C21/26 take precedence
• CPC Class Codes: G01S 19/13 Receivers
• CPC Class Codes: H04W 4/02 Services making use of location information
• CPC Class Codes: H04W 4/029 Location-based management or tracking services

Abstract

A terminal device that includes a display that displays an image; a positioning unit that measures a current position; a memory that stores information corresponding to a plurality of positions measured by the positioning unit in association with a time at which each of the plurality of positions was measured; and a controller that controls the display to display a travel trace on a map based on the information stored in the memory and that variably sets a display scale of the map according to a travel speed or traveled distance per unit time corresponding to the travel trace.

Claims

1. An information processing apparatus comprising:

a display that displays an image;

a positioning unit that measures a current position;

a memory that stores information corresponding to a plurality of positions measured by the positioning unit in association with a time at which each of the plurality of positions was measured; and

a controller that controls the display to display a travel trace on a map based on the information stored in the memory and that sets a display scale of the map based on the travel trace.

2. The information processing apparatus of claim 1, wherein the controller sets the display scale of the map based on a travel speed or traveled distance per unit time determined based on the travel trace.

3. The information processing apparatus of claim 1, wherein the displayed travel trace sequentially tracks the plurality of positions in order of time.

4. The information processing apparatus of claim 1, wherein the controller controls the display to scroll the map in accordance with the travel trace.

5. The information processing apparatus of claim 1, wherein the controller determines scroll points on the travel trace based on the information stored in the memory.

6. The information processing apparatus of claim 5, wherein the controller sets a scroll line that linearly interconnects adjacent scroll points on the travel trace.

7. The information processing apparatus of claim 6, wherein the controller controls the display to scroll the map along the scroll line.

8. The information processing apparatus of claim 5, wherein the controller determines the scroll points by determining a difference in time between neighboring first and second positions of the plurality of positions and comparing the difference to a predetermined threshold value.

9. The information processing apparatus of claim 8, wherein, when the difference is equal to or less than the threshold, the controller selects a midpoint between the first and second positions as a scroll point.

10. The information processing apparatus of claim 8, wherein, when the difference is greater than the threshold, the controller interconnects points corresponding to the first and second positions with a straight line.

11. The information processing apparatus of claim 10, wherein the controller performs linear interpolation between the points corresponding to the first and second positions and determines divided points on the straight line, which are separated at intervals corresponding to the predetermined threshold value.

12. The information processing apparatus of claim 11, wherein the controller determines an intermediate position between the points corresponding to the first and second positions based on an immediately preceding recording point, divided points, and a current recording point and sets the determined intermediate position as a scroll point.

13. The information processing apparatus of claim 6, wherein the controller determines, from the scroll line, an average travel time between the scroll points.

14. The information processing apparatus of claim 13, wherein the controller controls a display scale of the map based on the average time between the scroll points.

15. The information processing apparatus of claim 1, wherein the controller controls the display to display a time at which a position was measured on the display as the travel trace proceeds.

16. The information processing apparatus of claim 1, further comprising:

an image capturing unit, wherein the memory stores an image captured by the image capturing unit in association with a measured position at a time the image was captured.

17. The information processing apparatus of claim 16, wherein the controller controls the display to display an indication that a captured image exists at a particular point along the trace track based on the information stored in memory.

18. A method performed by an information processing apparatus, the method comprising:

measuring, by a positioning unit of the information processing apparatus, a current position;

storing, in a memory of the information processing apparatus, information corresponding to a plurality of positions measured by the positioning unit in association with a time at which each of the plurality of positions was measured;

controlling a display to display a travel trace on a map based on the information stored in the memory; and

setting a display scale of the map based on the travel trace.

19. A non-transitory computer-readable medium including computer-program instructions, which when executed by an information processing apparatus, cause the information processing apparatus to perform a method comprising:

measuring a current position;

storing information corresponding to a plurality of positions measured by the positioning unit in association with a time at which each of the plurality of positions was measured;

controlling a display to display a travel trace on a map based on the information stored in the memory; and

setting a display scale of the map based on the travel trace.