초록 ▼

A navigation unit 1 sends map image information representing a map image of an area around a current position of an automobile in which the unit 1 is installed to a communication apparatus 9 with which the unit 1 is communicating, if the communication apparatus 9 does not have geographical data. The

A navigation unit 1 sends map image information representing a map image of an area around a current position of an automobile in which the unit 1 is installed to a communication apparatus 9 with which the unit 1 is communicating, if the communication apparatus 9 does not have geographical data. The map image information includes information such as a symbol image that allows the current position of the navigation unit 1 to be identified. The data format of the map image information is a data format that allows the information to be reproduced in an ordinary personal computer.

대표청구항 ▼

1. A communication apparatus for communicating with an external communication apparatus by wireless communication, comprising:interface allowing for inputting photograph information; an acquisition module for acquiring geographical information representing area around a current position based on pos

1. A communication apparatus for communicating with an external communication apparatus by wireless communication, comprising:interface allowing for inputting photograph information; an acquisition module for acquiring geographical information representing area around a current position based on position information representing the current position; an image processing module for generating, based on position information representing the current position and geographical information representing the area acquired by said acquisition module, map image information representing the map image of the area containing a symbol image allowing the current position to be identified and combining the map image information and the photograph information input through the interface into a single piece of image information; and communication device for sending the image information combined by said image processing module to a predetermined external communication apparatus.