A system which enables the user to visualize directly an object in 3-D Lobachevskian, 4-D Euclidean, or other geometries. The system includes an input device (10), a transducer (11), a processing device (11), and an output device (12). The transducer (11) determines incident angles of light rays from...http://www.google.com.mx/patents/US5268998?utm_source=gb-gplus-sharePatent US5268998 - System for imaging objects in alternative geometries
System for imaging objects in alternative geometries
