Clarion Co

Faurecia Clarion Electronics Co., Ltd.

Isamu Oda

Shinichi Amaya

Mitsunori Maru

Takaaki Shiina

Takefumi Kudo

A calculation apparatus includes a control unit configured to calculate a necessary distance that is necessary for a vehicle to perform lane change from a first travel lane to a second travel lane by combining a first distance that the vehicle travels while the vehicle waits to start the lane change, a second distance that the vehicle travels while a speed of the vehicle is adjusted, and a third distance that the vehicle travels while executing the lane change.

Calculation apparatus and arithmetic method

To make it possible to accurately inform a user of a road that has become usable. A navigation deviceincludes a storing unitthat stores information concerning a map including unopened roads, a processing unitthat performs display of the map or a search for a route or the display of the map and the search for a route on the basis of the information concerning the map stored by the storing unit, and an acquiring unitthat acquires an opening situation of a road. The storing unitstores, separately from the information concerning the map, the opening situation of the road acquired by the acquiring unit. The processing unitperforms the display of the map or the search for a route or the display of the map and the search for a route on the basis of the information stored by the storing unit.

Growing community of inventors

Saitama, Japan

Isamu Oda