Position-fixing by co-ordinating two or more direction or position line determinations

Official title: Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations {(using active systems G01S13/00, G01S15/00, G01S17/00)}

G01S5/00 (Position-fixing by co-ordinating two or more direction or position line determinations) appears on 18,535 US grants and 21,300 published applications in this corpus.