A system and method are disclosed for providing an on board sensor for determining the relative position of linkage members in an automobile linkage which connects a wheel to an automobile body. The sensor includes a trackable object which is configured to be physically coupled to a first linkage...http://www.google.fr/patents/US5767767?utm_source=gb-gplus-shareBrevet US5767767 - Method and apparatus for determining the position and alignment of wheels
Method and apparatus for determining the position and alignment of wheels