To provide a communication terminal allowing a master unit terminal side to recognize a stray state on a slave unit, and having a support function useful to resolve the stray state.
This communication terminal as the master unit capable of communicating with a slave unit terminal has: a stray decision means detecting a distance between the master unit terminal and the slave unit terminal, and deciding whether a detection result thereof exceeds a threshold value or not; a positional relation display means displaying, on a map, positional relation between the master unit terminal and the slave unit terminal according to a decision result thereof; a route display means displaying a route from the master unit terminal to the slave unit terminal on the map; and a guidance means guiding the route to allow the master unit terminal finally to reach the slave unit terminal.
COPYRIGHT: (C)2008,JPO&INPIT
Ken Mogi
Hideharu Nishida
Makoto Hashimoto
| JP2003018635A | ||||
| JP10122895A | ||||
| JP2003115099A | ||||
| JP2004287713A | ||||
| JP2002258742A |
Inoue On