Navigation apparatus and navigation program
OwnerYasufumi Iwahoriinventor
Life of this patent
Estimating the term…
Abstract
A navigation apparatus includes map data, a map change information receiving unit and a map display change unit. The map data includes predetermined map information having two modes: an unavailable mode in which the map information is unusable, and an available mode in which the map information is usable. The map change information receiving unit receives change information of the predetermined map information, which is distributed by transmission. On receiving the change information, the map display change unit switches the two modes of the predetermined map information.
Claims10
A navigation apparatus comprising:
- map data which includes predetermined map information used in one of two modes including an unavailable mode in which the map information is unusable and an available mode in which the map information is usable;
- a map change information receiving unit which receives change information of the predetermined map information distributed by transmission;
- and
- a map display change unit which switches the two modes of the predetermined map information based on the received change information.
A computer program product in a computer-readable medium executed by a navigation apparatus including map data which includes predetermined map information used in one of two modes including an unavailable mode in which the map information is unusable and an available mode in which the map information is usable, making the navigation apparatus function as:
- a map change information receiving unit which receives change information of the predetermined map information distributed by transmission;
- and
- a map display change unit which switches the two modes of the predetermined map information, based on the received change information.
Dependencies are inferred from the claim text.