A computer mouse 10 has magnetic orientation features. It comprises a body 11 in which is located a mechanism 13 for sensing the x and y movement of the body and a compassing device 16 for determining the magnetic orientation of the body. The mouse has a processor 40 for receiving and processing x and...http://www.google.de/patents/US7154475?utm_source=gb-gplus-sharePatent US7154475 - Computer mouse with magnetic orientation features
