Furuno Electric Company Limited

Masami Tagawa

Masato Okuda

Takatoshi Morita

Ryu Shimizutani

Tomihiko Oda

Petri Turkulainen

An electronic map display device is provided. The device acquires electronic maps and displays the electronic maps, each electronic map being acquired per acquisition unit. The electronic map display device may include a map information display determiner for determining whether the electronic map is currently available per acquisition unit, and a map information display interface for displaying information relating to the electronic map per the acquisition unit depending on whether the electronic map is currently available. The map information display interface varies the exterior edge of each of the electronic maps depending on the status of the electronic map.

Electronic chart display device and method of displaying information relating to electronic chart

A route planning apparatus is provided. The apparatus may include a display, a user interface, a caution information reader, and a route verifier. The display displays a user-scheduled route on a map. The user interface accepts an input of time and date to travel on the route. The caution information reader reads caution information having influence on the travel and associated with position, and time and date. The route verifier verifies whether the travel on the route is available based on one or more positions, and times and dates at which the caution information read by the caution information reader indicates, one or more positions on the route, and the inputted travel time and date.

Route planning apparatus and route plan verifying method

An electronic map display device is provided. The device acquires electronic maps and displays the electronic maps, each electronic map being acquired per acquisition unit. The electronic map display device may include a map information display determiner for determining whether the electronic map is currently available per acquisition unit, and a map information display interface for displaying information relating to the electronic map per the acquisition unit depending on whether the electronic map is currently available.

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Takasago, Japan

Masami Tagawa