Patent ID: 6744375
Filing Date: 2004-06-01
Classification: A63C,G01C,G01P

Abstract:
A device for determining and displaying travel data of a user of a sports equipment which has contact with the ground, comprising:a) a first microcontroller associated with said sports equipment for at least recording or partially processing travel data of said sports equipment based on an interaction between said sports equipment and the ground; b) a transmitter for transmitting the travel data to a receiver having a display; c) said receiver having a second microcontroller for at least further processing or displaying the partially processed travel data; d) said transmitter only transmits within defined transmitting intervals such that between said intervals when said transmitter is not transmitting, said transmitter is switched off; and e) said receiver is synchronized with said transmitter such that said receiver is switched on only when said transmitter is expected to transmit and switched off when transmission is not expected from said transmitter.