A personal training device (10) adapted to assist a user in reaching performance goals, navigating, and accumulating performance statistics. In a preferred embodiment, the device broadly comprises a housing (10); an attachment mechanism (30); a GPS component (40); a user interface (50), including an...http://www.google.fr/patents/US7601098?utm_source=gb-gplus-shareBrevet US7601098 - Personal training device using GPS data
