Patent ID: 9222794
Filing Date: 2015-12-29
Classification: G01C

Abstract:
1. A navigation apparatus using ready-made map data and learned road data for providing route guidance when a subject vehicle is traveling, the learned road data including information regarding a learned road link, the learned road link being a road that is not included as an existing road link stored in the ready-made map data and being detected by a learned road detector, the navigation apparatus comprising: a branch classification unit determining whether an approach route to a branch point and an exit route from the branch point respectively correspond to a learned road link in the learned road data; and a route guidance unit providing one of an existing road branch guidance and a learned road branch guidance being different from the existing road branch guidance, wherein the existing road branch guidance provides a progress direction as guidance at a predetermined timing before arriving at the branch point by using only the existing road link of the ready-made map data, when the branch classification unit determines that both the approach route to the branch point and the exit route from the branch point do not correspond to a learned road link, the learned road branch guidance provides guidance information reflecting the learned road link of the learned road data, when the branch classification unit determines that at least one of the approach route to the branch point and the exit route from the branch point corresponds to the learned road link, and the learned road detector generates a supplemental link as a new link that extends from one end of the learned road link to at least one end of the existing road link.