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1. (WO1997039394) A METHOD FOR DETERMINING THE POSITIONS OF A PLURALITY OF ANONYMOUS FIXED REFERENCE OBJECTS FOR MOBILE SURFACE TRANSPORTATION AND A DEVICE FOR DETERMINING SAID POSITIONS

Pub. No.:    WO/1997/039394    International Application No.:    PCT/SE1997/000634
Publication Date: Oct 23, 1997 International Filing Date: Apr 15, 1997
IPC: G05D 1/02
Applicants: APOGEUM AB
ÅSTRÖM, Karl-Erik
Inventors: ÅSTRÖM, Karl-Erik
Title: A METHOD FOR DETERMINING THE POSITIONS OF A PLURALITY OF ANONYMOUS FIXED REFERENCE OBJECTS FOR MOBILE SURFACE TRANSPORTATION AND A DEVICE FOR DETERMINING SAID POSITIONS
Abstract:
A method for determining the positions of a plurality of fixed reference objects (6-16) which are part of a system for navigation for mobile transport units, wherein said system comprises detection means, at least one electronic memory, and control means, wherein said system, from different measuring positions, detects said reference object (6-16) and registers information regarding their bearings in said memory in order to determine the positions of the reference units.