Navigation system and method therefor

G - Physics – 01 – C

Patent

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Details

G01C 21/00 (2006.01) G01C 21/34 (2006.01) G08G 1/0969 (2006.01)

Patent

CA 2066038

A navigation system and a method therefor arranged to be mainly adapted to a driver but the same is as well as adapted to a pedestrian as a portable type according to an embodiment in which devices such as a distance sensor and an azimuth sensor are not used. When information about the passage through which a moving object is moving at this very moment, such as a signal transmitted from a transmitter disposed in each passage, electric waves emitted from an orbit satellite, results of detections made by the distance sensor and the azimuth sensor or information supplied by a user, is supplied, an estimation of a result of a travel through the passage while performing no right or left turn, and an estimation of a result of a travel through a lane the way of which is particularly determined previously are respectively indicated as a travelling line. When a target is set, both the target and the travelling line are indicated on the screen of a display device. Simultaneously, the passage at which the target confronts and a passage which constitutes a proper and correct course from a main passage to the target are indicated. Data about the passage is retrieved by means of codes given such that a group code and a common code are given to each link.

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