An adjustable bearing system, one ideally suited for use in vehicle seat suspension for aft positioning assemblies and isolator assemblies, and having an adjustment mechanism that is readily accessible and easy to use. A bearing member into which the shaft is inserted is provided on an end portion of the body. According to the method and system, lowering of a realistic degree which a haptic system pursues is prevented and the haptic system can be stabilized. The taper threaded segments include right handed pipe threads for tightly engaging the light fixtures and reduced thickness spaces separating the taper threaded segments allowing easy shortening of the lower portion. , using the Java serialization command, and communicated to the server host. According to the invention it is provided to determine in each partial image a logical value as a function of the light intensity received by a central pixel of the line of pixels and a corresponding bar width when this bar is completely incorporated into the partial image in question.