Device and method for determining and displaying travel or fitness quantities of a user of a sports equipment

A device for determining and displaying travel data of a user of a sports equipment which has contact with the ground, comprising:

• a) means 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) means for transmitting the travel data;
• c) means for receiving said travel data;
• d) said receiving means having means for at least further processing or displaying the partially processed travel data;
• e) said transmitting means only transmits within defined transmitting intervals such that between said intervals when said transmitting means is not transmitting, said transmitting means is switched off;
• and
• f) said receiving means is synchronized with said transmitting means such that said receiving means is switched on only when said transmitting means is expected to transmit and switched off when transmission is not expected from said transmitting means.

A method for determining and displaying travel data of a user of a sports equipment which has contact with the ground, comprising:

• a) at least recording or partially processing the travel data based on an interaction between the sports equipment and the ground;
• b) transmitting the travel data to a receiver having a display during defined transmitting intervals;
• c) switching off the transmitter between the intervals;
• d) at least further processing or displaying the partially processed data;
• e) synchronizing the receiver with the transmitter such that the receiver is on only when a transmission is expected from the transmitter;
• and
• f) switching off the receiver when transmission is not expected from the transmitter.