Patent ID: 6728631
Filing Date: 2004-04-27
Classification: G01C,G01S,G08C,G08G,G09B,H04B

Abstract:
A device for at least one of coding and decoding a location in a transportation network, the device being for use with a transmitter system and a receiver system for receiving information associated with the location, the location being transmitted from the transmitter system, the device comprising:an arrangement for providing a coded location based on a code associated with the location, the code including a declaration portion and a coordinate portion; wherein: the coordinate portion includes a plurality of coordinate pairs, at least one coordinate pair of the plurality of coordinate pairs representing the coded location being storable by the transmitter system, and at least another coordinate pair of the plurality of coordinate pairs representing at least one auxiliary point; and the declaration portion includes at least a same number of the coordinate pairs of the plurality of coordinate pairs of the coordinate portion, a position of the at least one pair of the plurality of coordinate pairs representing the coded location, and a type indication of the coded location.