A levitation system for levitating a levitated magnetic element in a stable suspended position on one side of a separating plane using a magnetic arrangement on the opposite side of the separating plane. The magnetic arrangement provides a preselected static magnetic field configuration that interacts...http://www.google.com.au/patents/US5168183?utm_source=gb-gplus-sharePatent US5168183 - Levitation system with permanent magnets and coils
