Portable communication terminal equipped with navigation function and navigation method of portable communication terminal
A cellular phone, including a GPS signal processing means and a camera, performs navigation by use of a display device, the navigation performed through location information detection means for detecting location information from a picture taken by the camera, and GPS signal processing means based on location information detected by the location information detection means. By determining destination information using GPS on the basis of information taken by the camera, or by acquiring destination information and additional information from a server, setting of destination for subsequent navigation is simplified.
1. A portable communication terminal equipped with a camera, said portable communication terminal comprising:
GPS signal processing means for outputting present position information of said portable communication terminal;
destination information detection means for detecting destination information from a picture taken by said camera; and
navigation means for performing navigation based on said destination information and said present position information.
2. A portable communication terminal according to claim 1 , wherein said destination information includes position information of said destination.
3. A portable communication terminal according to claim 1 , wherein said destination information is expressed in a pattern.
4. A portable communication terminal according to claim 3 , wherein said pattern comprises a barcode.
5. A portable communication terminal according to claim 1 , wherein
said destination information comprises an identifier identifying said destination,
said terminal further comprising:
identifier transmitting means for transmitting said identifier to a route server;
destination location information receiving means for receiving destination location information corresponding to said identifier from said route server;
and wherein said navigation means performs navigation based on said destination position information and said present position information.
6. A portable communication terminal according to claim 5 , wherein said destination information in said picture is expressed by a pattern specifying the destination.
7. A portable communication terminal according to claim 6 , wherein said pattern comprises a barcode.
8. A portable communication terminal according to claim 1 , wherein said navigation based on said destination information and said present position information comprises navigation from said present position to said destination, said destination being different from said present position.
9. A portable communication terminal according to claim 1 , wherein said destination information comprises a position different from said present position of said portable communication terminal at a time said picture is taken.
10. A portable communication terminal according to claim 1 , wherein visual image contents of said picture comprise said destination information.