Data recording device and method, data reproducing device and method, data recording/reproducing device and method, map image data format

• US 20030146985A1
• Filed: 11/26/2002
• Published: 08/07/2003
• Est. Priority Date: 12/26/2000
• Status: Active Grant

• Current Assignee: Sony Corporation (Sony Group Corp.)
• Original Assignee: Sony Corporation (Sony Group Corp.)
• Inventors: Miyagi, Shiro, Mimura, Yuuko
• Granted Patent: US 7,184,611 B2
• Time in Patent Office: Days
• US Class Current: 348/231.3
• CPC Class Codes: G01C 21/20 Instruments for performing navigational calculations G01C21/24, G01C21/26 take precedence
• CPC Class Codes: G09B 29/007 using computer methods
• CPC Class Codes: G09B 29/10 Map spot or coordinate position indicators; Map reading aids optical projection apparatus per se G03B
• CPC Class Codes: G09B 29/106 using electronic means

Abstract

Latitudes and longitudes of first and second points on a measured map image are recorded together with an image file. First, a beginning of position information data of the map image is shown. Subsequently, it is shown that information of the first point is started. Subsequently, an X coordinate of the first point on the map image is shown. Subsequently, a Y coordinate of the first point on the map image is shown. Subsequently, the latitude of the first point is shown. Subsequently, the longitude of the first point is shown. Subsequently, it is shown that information of the second point is started. Subsequently, an X coordinate of the second point on the map image is shown. Subsequently, a Y coordinate of the second point on the map image is shown. Subsequently, the latitude of the second point is shown. Subsequently, the longitude of the second point is shown.

Claims

1. A data recording apparatus which has a portable construction and records a digital image signal onto a recording medium, comprising:

signal processing means for forming image data from an image pickup signal which is obtained from image pickup means;

a display unit for displaying said image data;

position selecting means for selecting a position on said image data displayed on said display unit and obtaining first position information regarding the selected position;

position measuring means for obtaining second position information by measuring a position at the position where said first position information has been obtained; and

recording means for recording two or more position information data each consisting of said first and second position information together with said image data onto said recording medium.

2. A data recording apparatus according to claim 1, wherein said image data and said position information data are recorded as one file onto said recording medium.

3. A data recording apparatus according to claim 1, wherein said recording medium is detachable.

4. A data recording apparatus according to claim 1, wherein even if a power source is turned off after the first one of said position information data was recorded, said first position information data is recorded onto said recording medium, and when the power source is subsequently turned on, the recording is executed from the second one of said position information data.

5. A data recording method which has a portable construction and records a digital image signal onto a recording medium, comprising the steps of:

forming image data from an image pickup signal which is obtained from image pickup means;

displaying said image data onto a display unit;

selecting a position on said image data displayed on said display unit and obtaining first position information regarding the selected position;

obtaining second position information by measuring a position at the position where said first position information has been obtained; and

recording two or more position information data each consisting of said first and second position information together with said image data onto said recording medium.

6. A data recording method according to claim 5, wherein said image data and said position information data are recorded as one file onto said recording medium.

7. A data recording method according to claim 5, wherein said recording medium is detachable.

8. A data recording method according to claim 5, wherein even if a power source is turned off after the first one of said position information data was recorded, said first position information data is recorded onto said recording medium, and when the power source is subsequently turned on, the recording is executed from the second one of said position information data.

9. A data reproducing apparatus which has a portable construction, reproduces a digital image signal from a recording medium, and displays the signal, comprising:

signal processing means for forming image data from either an image pickup signal which is obtained from image pickup means or the digital image signal which is read out from said recording medium; and

a display unit for displaying said image data,

wherein if there are two or more position information data each consisting of first position information on said image data displayed on said display unit and second position information obtained by measuring a position at a position where said first position information has been obtained, said second position information at an arbitrary position on said image data is calculated on the basis of said position information data.

10. A data reproducing apparatus according to claim 9, wherein a predetermined mark is displayed at a predetermined position on said image data.

11. A data reproducing apparatus according to claim 9, wherein said image data and said position information data are constructed as one file.

12. A data reproducing apparatus according to claim 9, wherein said recording medium is detachable.

13. A data reproducing method which has a portable construction, reproduces a digital image signal from a recording medium, and displays the signal, comprising the steps of:

forming image data from either an image pickup signal which is obtained from image pickup means or the digital image signal which is read out from said recording medium; and

displaying said image data onto a display unit,

wherein if there are two or more position information data each consisting of first position information on said image data displayed on said display unit and second position information obtained by measuring a position at a position where said first position information has been obtained, said second position information at an arbitrary position on said image data is calculated on the basis of said position information data.

14. A data reproducing method according to claim 13, wherein a predetermined mark is displayed at a predetermined position on said image data.

15. A data reproducing method according to claim 13, wherein said image data and said position information data are constructed as one file.

16. A data reproducing method according to claim 13, wherein said recording medium is detachable.

17. A data recording and reproducing apparatus which has a portable construction, records a digital image signal onto a recording medium, reproduces said digital image signal from said recording medium, and displays the signal, comprising:

signal processing means for forming image data from either an image pickup signal which is obtained from image pickup means or the digital image signal which is read out from said recording medium;

a display unit for displaying said image data;

position selecting means for selecting a position on said image data displayed on said display unit and obtaining first position information regarding the selected position;

position measuring means for obtaining second position information by measuring a position at the position where said first position information has been obtained;

recording means for recording two or more position information data each consisting of said first and second position information together with said image data onto said recording medium; and

reading means for reading out said image data and said position information data from said recording medium,

wherein said image data read out from said recording medium is displayed on said display unit, and when said two or more position information data exists on said image data displayed on said display unit, the second position information at an arbitrary position on said image data is calculated on the basis of said position information data.

18. A data recording and reproducing apparatus according to claim 17, wherein a predetermined mark is displayed at a predetermined position on said image data.

19. A data recording and reproducing apparatus according to claim 17, wherein said image data and said position information data are constructed as one file.

20. A data recording and reproducing apparatus according to claim 17, wherein said recording medium is detachable.

21. A data recording and reproducing apparatus according to claim 17, wherein even if a power source is turned off after the first one of said position information data was recorded, said first position information data is recorded, and when the power source is subsequently turned on, the recording of the second one of said position information data is executed.

22. A data recording and reproducing method which has a portable construction, records a digital image signal onto a recording medium, reproduces said digital image signal from said recording medium, and displays the signal, comprising the steps of:

forming image data from either an image pickup signal which is obtained from image pickup means or the digital image signal which is read out from said recording medium;

displaying said image data onto a display unit;

selecting a position on said image data displayed on said display unit and obtaining first position information regarding the selected position;

obtaining second position information by measuring a position at the position where said first position information has been obtained;

recording two or more position information data each consisting of said first and second position information together with said image data onto said recording medium; and

reading out said image data and said position information data from said recording medium,

wherein said image data read out from said recording medium is displayed on said display unit, and when said two or more position information data exists on said image data displayed on said display unit, said second position information at an arbitrary position on said image data is calculated on the basis of said position information data.

23. A data recording and reproducing method according to claim 22, wherein a predetermined mark is displayed at a predetermined position on said image data.

24. A data recording and reproducing method according to claim 22, wherein said image data and said position information data are constructed as one file.

25. A data recording and reproducing method according to claim 22, wherein said recording medium is detachable.

26. A data recording and reproducing method according to claim 22, wherein even if a power source is turned off after the first one of said position information data was recorded, said first position information data is recorded, and when the power source is subsequently turned on, the recording of the second one of said position information data is executed.

27. A map image data format which is constructed by two or more position information data, wherein

said position information data comprises

first position information which is obtained with respect to a position selected on a displayed map image and second position information which is obtained by measuring a position at the position where said first position information has been obtained.

28. A map image data format according to claim 27, wherein said position information data is

a part of image data or a file annexed to said image data.