A wrist-worn device comprising a wristband to be arranged around the wrist and an electronics unit in connection with the wristband, the electronics unit being arranged to process a value of an exercising variable relating to a physical activity, the wrist-worn device further comprising a display for...http://www.google.fr/patents/US20020068873?utm_source=gb-gplus-shareBrevet US20020068873 - Wrist-worn device
