Apparatus for calculating position of vehicle

Details Apparatus for calculating position of vehicle Apparatus for calculating position of vehicle

G - Physics

01

C

354/25, 343/72

G01C 21/00 (2006.01) G01C 21/12 (2006.01) G01C 21/28 (2006.01)

Patent

CA 1235782

ABSTRACT OF THE DISCLOSURE A vehicle position calculating apparatus has relative position calculating means for calculating a relative vehicle position with respect to a reference position and absolute position calculating means for calculating an absolute vehicle position from fixed-station absolute position information and vehicle bearing information which are obtained from a radio wave transmitted from a fixed station and the above-described relative vehicle position. The relative position calculating means includes means for calculating a present vehicle position by employing absolute positions successively obtained as new reference positions. Accordingly, it is possible to accurately obtain an absolute present vehicle position.

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