A device for monitoring and comparing present, past and ideal performances on an exercise machine senses a preselected set of factors chosen to represent the present performance of the user on the machine. A Central Processing Unit operates under a predetermined set of user controlled instructions to...http://www.google.fr/patents/US5335188?utm_source=gb-gplus-shareBrevet US5335188 - Bicycle computer with memory and means for comparing present and past performance in real time
Bicycle computer with memory and means for comparing present and past ...
